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e49b3aed79
These tests demonstrate the current failure mode around overlapping env keys and inner structs. To some extent this is a limitation of mapping on to environment variables with an underscore as both the namespace separator and the substitute for dashes in flag names in that the mapping is not strictly one-to-one.
1467 lines
38 KiB
Rust
1467 lines
38 KiB
Rust
//! Tests for config settings.
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use cargo::core::profiles::Strip;
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use cargo::core::{enable_nightly_features, Shell};
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use cargo::util::config::{self, Config, SslVersionConfig, StringList};
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use cargo::util::interning::InternedString;
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use cargo::util::toml::{self, VecStringOrBool as VSOB};
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use cargo::CargoResult;
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use cargo_test_support::{normalized_lines_match, paths, project, t};
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use serde::Deserialize;
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use std::borrow::Borrow;
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use std::collections::{BTreeMap, HashMap};
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use std::fs;
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use std::io;
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use std::os;
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use std::path::{Path, PathBuf};
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/// Helper for constructing a `Config` object.
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pub struct ConfigBuilder {
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env: HashMap<String, String>,
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unstable: Vec<String>,
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config_args: Vec<String>,
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cwd: Option<PathBuf>,
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}
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impl ConfigBuilder {
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pub fn new() -> ConfigBuilder {
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ConfigBuilder {
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env: HashMap::new(),
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unstable: Vec::new(),
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config_args: Vec::new(),
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cwd: None,
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}
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}
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/// Passes a `-Z` flag.
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pub fn unstable_flag(&mut self, s: impl Into<String>) -> &mut Self {
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self.unstable.push(s.into());
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self
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}
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/// Sets an environment variable.
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pub fn env(&mut self, key: impl Into<String>, val: impl Into<String>) -> &mut Self {
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self.env.insert(key.into(), val.into());
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self
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}
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/// Passes a `--config` flag.
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pub fn config_arg(&mut self, arg: impl Into<String>) -> &mut Self {
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if !self.unstable.iter().any(|s| s == "unstable-options") {
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// --config is current unstable
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self.unstable_flag("unstable-options");
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}
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self.config_args.push(arg.into());
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self
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}
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/// Sets the current working directory where config files will be loaded.
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pub fn cwd(&mut self, path: impl AsRef<Path>) -> &mut Self {
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self.cwd = Some(paths::root().join(path.as_ref()));
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self
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}
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/// Creates the `Config`.
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pub fn build(&self) -> Config {
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self.build_err().unwrap()
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}
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/// Creates the `Config`, returning a Result.
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pub fn build_err(&self) -> CargoResult<Config> {
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if !self.unstable.is_empty() {
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// This is unfortunately global. Some day that should be fixed.
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enable_nightly_features();
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}
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let output = Box::new(fs::File::create(paths::root().join("shell.out")).unwrap());
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let shell = Shell::from_write(output);
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let cwd = self.cwd.clone().unwrap_or_else(|| paths::root());
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let homedir = paths::home();
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let mut config = Config::new(shell, cwd, homedir);
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config.set_env(self.env.clone());
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config.configure(
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0,
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false,
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None,
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false,
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false,
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false,
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&None,
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&self.unstable,
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&self.config_args,
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)?;
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Ok(config)
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}
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}
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fn new_config() -> Config {
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ConfigBuilder::new().build()
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}
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/// Read the output from Config.
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pub fn read_output(config: Config) -> String {
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drop(config); // Paranoid about flushing the file.
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let path = paths::root().join("shell.out");
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fs::read_to_string(path).unwrap()
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}
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#[cargo_test]
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fn read_env_vars_for_config() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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authors = []
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version = "0.0.0"
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build = "build.rs"
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"#,
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)
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.file("src/lib.rs", "")
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.file(
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"build.rs",
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r#"
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use std::env;
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fn main() {
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assert_eq!(env::var("NUM_JOBS").unwrap(), "100");
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}
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"#,
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)
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.build();
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p.cargo("build").env("CARGO_BUILD_JOBS", "100").run();
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}
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pub fn write_config(config: &str) {
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write_config_at(paths::root().join(".cargo/config"), config);
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}
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pub fn write_config_at(path: impl AsRef<Path>, contents: &str) {
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let path = paths::root().join(path.as_ref());
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fs::create_dir_all(path.parent().unwrap()).unwrap();
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fs::write(path, contents).unwrap();
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}
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fn write_config_toml(config: &str) {
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write_config_at(paths::root().join(".cargo/config.toml"), config);
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}
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// Several test fail on windows if the user does not have permission to
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// create symlinks (the `SeCreateSymbolicLinkPrivilege`). Instead of
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// disabling these test on Windows, use this function to test whether we
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// have permission, and return otherwise. This way, we still don't run these
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// tests most of the time, but at least we do if the user has the right
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// permissions.
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// This function is derived from libstd fs tests.
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pub fn got_symlink_permission() -> bool {
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if cfg!(unix) {
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return true;
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}
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let link = paths::root().join("some_hopefully_unique_link_name");
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let target = paths::root().join("nonexisting_target");
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match symlink_file(&target, &link) {
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Ok(_) => true,
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// ERROR_PRIVILEGE_NOT_HELD = 1314
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Err(ref err) if err.raw_os_error() == Some(1314) => false,
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Err(_) => true,
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}
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}
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#[cfg(unix)]
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fn symlink_file(target: &Path, link: &Path) -> io::Result<()> {
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os::unix::fs::symlink(target, link)
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}
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#[cfg(windows)]
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fn symlink_file(target: &Path, link: &Path) -> io::Result<()> {
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os::windows::fs::symlink_file(target, link)
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}
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fn symlink_config_to_config_toml() {
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let toml_path = paths::root().join(".cargo/config.toml");
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let symlink_path = paths::root().join(".cargo/config");
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t!(symlink_file(&toml_path, &symlink_path));
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}
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pub fn assert_error<E: Borrow<anyhow::Error>>(error: E, msgs: &str) {
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let causes = error
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.borrow()
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.chain()
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.enumerate()
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.map(|(i, e)| {
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if i == 0 {
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e.to_string()
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} else {
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format!("Caused by:\n {}", e)
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}
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})
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.collect::<Vec<_>>()
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.join("\n\n");
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assert_match(msgs, &causes);
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}
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pub fn assert_match(expected: &str, actual: &str) {
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if !normalized_lines_match(expected, actual, None) {
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panic!(
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"Did not find expected:\n{}\nActual:\n{}\n",
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expected, actual
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);
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}
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}
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#[cargo_test]
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fn get_config() {
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write_config(
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"\
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[S]
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f1 = 123
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",
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);
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let config = new_config();
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#[derive(Debug, Deserialize, Eq, PartialEq)]
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struct S {
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f1: Option<i64>,
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}
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let s: S = config.get("S").unwrap();
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assert_eq!(s, S { f1: Some(123) });
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let config = ConfigBuilder::new().env("CARGO_S_F1", "456").build();
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let s: S = config.get("S").unwrap();
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assert_eq!(s, S { f1: Some(456) });
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}
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#[cargo_test]
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fn config_works_with_extension() {
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write_config_toml(
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"\
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[foo]
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f1 = 1
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",
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);
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let config = new_config();
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assert_eq!(config.get::<Option<i32>>("foo.f1").unwrap(), Some(1));
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}
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#[cargo_test]
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fn config_ambiguous_filename_symlink_doesnt_warn() {
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// Windows requires special permissions to create symlinks.
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// If we don't have permission, just skip this test.
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if !got_symlink_permission() {
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return;
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};
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write_config_toml(
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"\
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[foo]
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f1 = 1
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",
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);
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symlink_config_to_config_toml();
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let config = new_config();
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assert_eq!(config.get::<Option<i32>>("foo.f1").unwrap(), Some(1));
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// It should NOT have warned for the symlink.
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let output = read_output(config);
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let unexpected = "\
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warning: Both `[..]/.cargo/config` and `[..]/.cargo/config.toml` exist. Using `[..]/.cargo/config`
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";
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if normalized_lines_match(unexpected, &output, None) {
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panic!(
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"Found unexpected:\n{}\nActual error:\n{}\n",
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unexpected, output
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);
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}
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}
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#[cargo_test]
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fn config_ambiguous_filename() {
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write_config(
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"\
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[foo]
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f1 = 1
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",
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);
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write_config_toml(
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"\
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[foo]
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f1 = 2
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",
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);
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let config = new_config();
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// It should use the value from the one without the extension for
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// backwards compatibility.
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assert_eq!(config.get::<Option<i32>>("foo.f1").unwrap(), Some(1));
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// But it also should have warned.
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let output = read_output(config);
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let expected = "\
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warning: Both `[..]/.cargo/config` and `[..]/.cargo/config.toml` exist. Using `[..]/.cargo/config`
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";
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assert_match(expected, &output);
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}
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#[cargo_test]
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fn config_unused_fields() {
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write_config(
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"\
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[S]
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unused = 456
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",
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);
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let config = ConfigBuilder::new()
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.env("CARGO_S_UNUSED2", "1")
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.env("CARGO_S2_UNUSED", "2")
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.build();
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#[derive(Debug, Deserialize, Eq, PartialEq)]
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struct S {
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f1: Option<i64>,
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}
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// This prints a warning (verified below).
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let s: S = config.get("S").unwrap();
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assert_eq!(s, S { f1: None });
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// This does not print anything, we cannot easily/reliably warn for
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// environment variables.
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let s: S = config.get("S2").unwrap();
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assert_eq!(s, S { f1: None });
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// Verify the warnings.
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let output = read_output(config);
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let expected = "\
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warning: unused config key `S.unused` in `[..]/.cargo/config`
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";
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assert_match(expected, &output);
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}
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#[cargo_test]
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fn config_load_toml_profile() {
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write_config(
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"\
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[profile.dev]
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opt-level = 's'
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lto = true
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codegen-units=4
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debug = true
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debug-assertions = true
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rpath = true
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panic = 'abort'
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overflow-checks = true
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incremental = true
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[profile.dev.build-override]
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opt-level = 1
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[profile.dev.package.bar]
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codegen-units = 9
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[profile.no-lto]
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inherits = 'dev'
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dir-name = 'without-lto'
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lto = false
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",
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);
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let config = ConfigBuilder::new()
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.unstable_flag("advanced-env")
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.env("CARGO_PROFILE_DEV_CODEGEN_UNITS", "5")
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.env("CARGO_PROFILE_DEV_BUILD_OVERRIDE_CODEGEN_UNITS", "11")
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.env("CARGO_PROFILE_DEV_PACKAGE_env_CODEGEN_UNITS", "13")
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.env("CARGO_PROFILE_DEV_PACKAGE_bar_OPT_LEVEL", "2")
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.build();
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// TODO: don't use actual `tomlprofile`.
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let p: toml::TomlProfile = config.get("profile.dev").unwrap();
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let mut packages = BTreeMap::new();
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let key = toml::ProfilePackageSpec::Spec(::cargo::core::PackageIdSpec::parse("bar").unwrap());
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let o_profile = toml::TomlProfile {
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opt_level: Some(toml::TomlOptLevel("2".to_string())),
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codegen_units: Some(9),
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..Default::default()
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};
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packages.insert(key, o_profile);
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let key = toml::ProfilePackageSpec::Spec(::cargo::core::PackageIdSpec::parse("env").unwrap());
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let o_profile = toml::TomlProfile {
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codegen_units: Some(13),
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..Default::default()
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};
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packages.insert(key, o_profile);
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assert_eq!(
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p,
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toml::TomlProfile {
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opt_level: Some(toml::TomlOptLevel("s".to_string())),
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lto: Some(toml::StringOrBool::Bool(true)),
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codegen_units: Some(5),
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debug: Some(toml::U32OrBool::Bool(true)),
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debug_assertions: Some(true),
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rpath: Some(true),
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panic: Some("abort".to_string()),
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overflow_checks: Some(true),
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incremental: Some(true),
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package: Some(packages),
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build_override: Some(Box::new(toml::TomlProfile {
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opt_level: Some(toml::TomlOptLevel("1".to_string())),
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codegen_units: Some(11),
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..Default::default()
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})),
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..Default::default()
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}
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);
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let p: toml::TomlProfile = config.get("profile.no-lto").unwrap();
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assert_eq!(
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p,
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toml::TomlProfile {
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lto: Some(toml::StringOrBool::Bool(false)),
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dir_name: Some(InternedString::new("without-lto")),
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inherits: Some(InternedString::new("dev")),
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..Default::default()
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}
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);
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}
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#[cargo_test]
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fn profile_env_var_prefix() {
|
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// Check for a bug with collision on DEBUG vs DEBUG_ASSERTIONS.
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let config = ConfigBuilder::new()
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.env("CARGO_PROFILE_DEV_DEBUG_ASSERTIONS", "false")
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.build();
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let p: toml::TomlProfile = config.get("profile.dev").unwrap();
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assert_eq!(p.debug_assertions, Some(false));
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assert_eq!(p.debug, None);
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let config = ConfigBuilder::new()
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.env("CARGO_PROFILE_DEV_DEBUG", "1")
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.build();
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let p: toml::TomlProfile = config.get("profile.dev").unwrap();
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assert_eq!(p.debug_assertions, None);
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assert_eq!(p.debug, Some(toml::U32OrBool::U32(1)));
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let config = ConfigBuilder::new()
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.env("CARGO_PROFILE_DEV_DEBUG_ASSERTIONS", "false")
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.env("CARGO_PROFILE_DEV_DEBUG", "1")
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.build();
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let p: toml::TomlProfile = config.get("profile.dev").unwrap();
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assert_eq!(p.debug_assertions, Some(false));
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assert_eq!(p.debug, Some(toml::U32OrBool::U32(1)));
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}
|
|
|
|
#[cargo_test]
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fn config_deserialize_any() {
|
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// Some tests to exercise deserialize_any for deserializers that need to
|
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// be told the format.
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write_config(
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"\
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a = true
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b = ['b']
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c = ['c']
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",
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);
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|
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// advanced-env
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let config = ConfigBuilder::new()
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.unstable_flag("advanced-env")
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.env("CARGO_ENVB", "false")
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.env("CARGO_C", "['d']")
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.env("CARGO_ENVL", "['a', 'b']")
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.build();
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assert_eq!(config.get::<VSOB>("a").unwrap(), VSOB::Bool(true));
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assert_eq!(
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config.get::<VSOB>("b").unwrap(),
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VSOB::VecString(vec!["b".to_string()])
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);
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assert_eq!(
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config.get::<VSOB>("c").unwrap(),
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VSOB::VecString(vec!["c".to_string(), "d".to_string()])
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);
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assert_eq!(config.get::<VSOB>("envb").unwrap(), VSOB::Bool(false));
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assert_eq!(
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config.get::<VSOB>("envl").unwrap(),
|
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VSOB::VecString(vec!["a".to_string(), "b".to_string()])
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);
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|
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// Demonstrate where merging logic isn't very smart. This could be improved.
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let config = ConfigBuilder::new().env("CARGO_A", "x y").build();
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assert_error(
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config.get::<VSOB>("a").unwrap_err(),
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"\
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|
error in environment variable `CARGO_A`: could not load config key `a`
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|
|
|
Caused by:
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|
invalid type: string \"x y\", expected a boolean or vector of strings",
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);
|
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|
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// Normal env.
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|
let config = ConfigBuilder::new()
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|
.unstable_flag("advanced-env")
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|
.env("CARGO_B", "d e")
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.env("CARGO_C", "f g")
|
|
.build();
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|
assert_eq!(
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config.get::<VSOB>("b").unwrap(),
|
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VSOB::VecString(vec!["b".to_string(), "d".to_string(), "e".to_string()])
|
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);
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assert_eq!(
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config.get::<VSOB>("c").unwrap(),
|
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VSOB::VecString(vec!["c".to_string(), "f".to_string(), "g".to_string()])
|
|
);
|
|
|
|
// config-cli
|
|
// This test demonstrates that ConfigValue::merge isn't very smart.
|
|
// It would be nice if it was smarter.
|
|
let config = ConfigBuilder::new().config_arg("a = ['a']").build_err();
|
|
assert_error(
|
|
config.unwrap_err(),
|
|
"\
|
|
failed to merge --config key `a` into `[..]/.cargo/config`
|
|
|
|
Caused by:
|
|
failed to merge config value from `--config cli option` into `[..]/.cargo/config`: \
|
|
expected boolean, but found array",
|
|
);
|
|
|
|
// config-cli and advanced-env
|
|
let config = ConfigBuilder::new()
|
|
.unstable_flag("advanced-env")
|
|
.config_arg("b=['clib']")
|
|
.config_arg("c=['clic']")
|
|
.env("CARGO_B", "env1 env2")
|
|
.env("CARGO_C", "['e1', 'e2']")
|
|
.build();
|
|
assert_eq!(
|
|
config.get::<VSOB>("b").unwrap(),
|
|
VSOB::VecString(vec![
|
|
"b".to_string(),
|
|
"clib".to_string(),
|
|
"env1".to_string(),
|
|
"env2".to_string()
|
|
])
|
|
);
|
|
assert_eq!(
|
|
config.get::<VSOB>("c").unwrap(),
|
|
VSOB::VecString(vec![
|
|
"c".to_string(),
|
|
"clic".to_string(),
|
|
"e1".to_string(),
|
|
"e2".to_string()
|
|
])
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_toml_errors() {
|
|
write_config(
|
|
"\
|
|
[profile.dev]
|
|
opt-level = 'foo'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
assert_error(
|
|
config.get::<toml::TomlProfile>("profile.dev").unwrap_err(),
|
|
"\
|
|
error in [..]/.cargo/config: could not load config key `profile.dev.opt-level`
|
|
|
|
Caused by:
|
|
must be an integer, `z`, or `s`, but found the string: \"foo\"",
|
|
);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_PROFILE_DEV_OPT_LEVEL", "asdf")
|
|
.build();
|
|
|
|
assert_error(
|
|
config.get::<toml::TomlProfile>("profile.dev").unwrap_err(),
|
|
"\
|
|
error in environment variable `CARGO_PROFILE_DEV_OPT_LEVEL`: could not load config key `profile.dev.opt-level`
|
|
|
|
Caused by:
|
|
must be an integer, `z`, or `s`, but found the string: \"asdf\"",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn load_nested() {
|
|
write_config(
|
|
"\
|
|
[nest.foo]
|
|
f1 = 1
|
|
f2 = 2
|
|
[nest.bar]
|
|
asdf = 3
|
|
",
|
|
);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.unstable_flag("advanced-env")
|
|
.env("CARGO_NEST_foo_f2", "3")
|
|
.env("CARGO_NESTE_foo_f1", "1")
|
|
.env("CARGO_NESTE_foo_f2", "3")
|
|
.env("CARGO_NESTE_bar_asdf", "3")
|
|
.build();
|
|
|
|
type Nested = HashMap<String, HashMap<String, u8>>;
|
|
|
|
let n: Nested = config.get("nest").unwrap();
|
|
let mut expected = HashMap::new();
|
|
let mut foo = HashMap::new();
|
|
foo.insert("f1".to_string(), 1);
|
|
foo.insert("f2".to_string(), 3);
|
|
expected.insert("foo".to_string(), foo);
|
|
let mut bar = HashMap::new();
|
|
bar.insert("asdf".to_string(), 3);
|
|
expected.insert("bar".to_string(), bar);
|
|
assert_eq!(n, expected);
|
|
|
|
let n: Nested = config.get("neste").unwrap();
|
|
assert_eq!(n, expected);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn get_errors() {
|
|
write_config(
|
|
"\
|
|
[S]
|
|
f1 = 123
|
|
f2 = 'asdf'
|
|
big = 123456789
|
|
",
|
|
);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_E_S", "asdf")
|
|
.env("CARGO_E_BIG", "123456789")
|
|
.build();
|
|
assert_error(
|
|
config.get::<i64>("foo").unwrap_err(),
|
|
"missing config key `foo`",
|
|
);
|
|
assert_error(
|
|
config.get::<i64>("foo.bar").unwrap_err(),
|
|
"missing config key `foo.bar`",
|
|
);
|
|
assert_error(
|
|
config.get::<i64>("S.f2").unwrap_err(),
|
|
"error in [..]/.cargo/config: `S.f2` expected an integer, but found a string",
|
|
);
|
|
assert_error(
|
|
config.get::<u8>("S.big").unwrap_err(),
|
|
"\
|
|
error in [..].cargo/config: could not load config key `S.big`
|
|
|
|
Caused by:
|
|
invalid value: integer `123456789`, expected u8",
|
|
);
|
|
|
|
// Environment variable type errors.
|
|
assert_error(
|
|
config.get::<i64>("e.s").unwrap_err(),
|
|
"error in environment variable `CARGO_E_S`: invalid digit found in string",
|
|
);
|
|
assert_error(
|
|
config.get::<i8>("e.big").unwrap_err(),
|
|
"\
|
|
error in environment variable `CARGO_E_BIG`: could not load config key `e.big`
|
|
|
|
Caused by:
|
|
invalid value: integer `123456789`, expected i8",
|
|
);
|
|
|
|
#[derive(Debug, Deserialize)]
|
|
struct S {
|
|
f1: i64,
|
|
f2: String,
|
|
f3: i64,
|
|
big: i64,
|
|
}
|
|
assert_error(config.get::<S>("S").unwrap_err(), "missing field `f3`");
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_option() {
|
|
write_config(
|
|
"\
|
|
[foo]
|
|
f1 = 1
|
|
",
|
|
);
|
|
|
|
let config = ConfigBuilder::new().env("CARGO_BAR_ASDF", "3").build();
|
|
|
|
assert_eq!(config.get::<Option<i32>>("a").unwrap(), None);
|
|
assert_eq!(config.get::<Option<i32>>("a.b").unwrap(), None);
|
|
assert_eq!(config.get::<Option<i32>>("foo.f1").unwrap(), Some(1));
|
|
assert_eq!(config.get::<Option<i32>>("bar.asdf").unwrap(), Some(3));
|
|
assert_eq!(config.get::<Option<i32>>("bar.zzzz").unwrap(), None);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_bad_toml() {
|
|
write_config("asdf");
|
|
let config = new_config();
|
|
assert_error(
|
|
config.get::<i32>("foo").unwrap_err(),
|
|
"\
|
|
could not load Cargo configuration
|
|
|
|
Caused by:
|
|
could not parse TOML configuration in `[..]/.cargo/config`
|
|
|
|
Caused by:
|
|
could not parse input as TOML
|
|
|
|
Caused by:
|
|
expected an equals, found eof at line 1 column 5",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_list() {
|
|
write_config(
|
|
"\
|
|
l1 = []
|
|
l2 = ['one', 'two']
|
|
l3 = 123
|
|
l4 = ['one', 'two']
|
|
|
|
[nested]
|
|
l = ['x']
|
|
|
|
[nested2]
|
|
l = ['y']
|
|
|
|
[nested-empty]
|
|
",
|
|
);
|
|
|
|
type L = Vec<String>;
|
|
|
|
let config = ConfigBuilder::new()
|
|
.unstable_flag("advanced-env")
|
|
.env("CARGO_L4", "['three', 'four']")
|
|
.env("CARGO_L5", "['a']")
|
|
.env("CARGO_ENV_EMPTY", "[]")
|
|
.env("CARGO_ENV_BLANK", "")
|
|
.env("CARGO_ENV_NUM", "1")
|
|
.env("CARGO_ENV_NUM_LIST", "[1]")
|
|
.env("CARGO_ENV_TEXT", "asdf")
|
|
.env("CARGO_LEPAIR", "['a', 'b']")
|
|
.env("CARGO_NESTED2_L", "['z']")
|
|
.env("CARGO_NESTEDE_L", "['env']")
|
|
.env("CARGO_BAD_ENV", "[zzz]")
|
|
.build();
|
|
|
|
assert_eq!(config.get::<L>("unset").unwrap(), vec![] as Vec<String>);
|
|
assert_eq!(config.get::<L>("l1").unwrap(), vec![] as Vec<String>);
|
|
assert_eq!(config.get::<L>("l2").unwrap(), vec!["one", "two"]);
|
|
assert_error(
|
|
config.get::<L>("l3").unwrap_err(),
|
|
"\
|
|
invalid configuration for key `l3`
|
|
expected a list, but found a integer for `l3` in [..]/.cargo/config",
|
|
);
|
|
assert_eq!(
|
|
config.get::<L>("l4").unwrap(),
|
|
vec!["one", "two", "three", "four"]
|
|
);
|
|
assert_eq!(config.get::<L>("l5").unwrap(), vec!["a"]);
|
|
assert_eq!(config.get::<L>("env-empty").unwrap(), vec![] as Vec<String>);
|
|
assert_eq!(config.get::<L>("env-blank").unwrap(), vec![] as Vec<String>);
|
|
assert_eq!(config.get::<L>("env-num").unwrap(), vec!["1".to_string()]);
|
|
assert_error(
|
|
config.get::<L>("env-num-list").unwrap_err(),
|
|
"error in environment variable `CARGO_ENV_NUM_LIST`: \
|
|
expected string, found integer",
|
|
);
|
|
assert_eq!(
|
|
config.get::<L>("env-text").unwrap(),
|
|
vec!["asdf".to_string()]
|
|
);
|
|
// "invalid number" here isn't the best error, but I think it's just toml.rs.
|
|
assert_error(
|
|
config.get::<L>("bad-env").unwrap_err(),
|
|
"error in environment variable `CARGO_BAD_ENV`: \
|
|
could not parse TOML list: invalid number at line 1 column 8",
|
|
);
|
|
|
|
// Try some other sequence-like types.
|
|
assert_eq!(
|
|
config
|
|
.get::<(String, String, String, String)>("l4")
|
|
.unwrap(),
|
|
(
|
|
"one".to_string(),
|
|
"two".to_string(),
|
|
"three".to_string(),
|
|
"four".to_string()
|
|
)
|
|
);
|
|
assert_eq!(config.get::<(String,)>("l5").unwrap(), ("a".to_string(),));
|
|
|
|
// Tuple struct
|
|
#[derive(Debug, Deserialize, Eq, PartialEq)]
|
|
struct TupS(String, String);
|
|
assert_eq!(
|
|
config.get::<TupS>("lepair").unwrap(),
|
|
TupS("a".to_string(), "b".to_string())
|
|
);
|
|
|
|
// Nested with an option.
|
|
#[derive(Debug, Deserialize, Eq, PartialEq)]
|
|
struct S {
|
|
l: Option<Vec<String>>,
|
|
}
|
|
assert_eq!(config.get::<S>("nested-empty").unwrap(), S { l: None });
|
|
assert_eq!(
|
|
config.get::<S>("nested").unwrap(),
|
|
S {
|
|
l: Some(vec!["x".to_string()]),
|
|
}
|
|
);
|
|
assert_eq!(
|
|
config.get::<S>("nested2").unwrap(),
|
|
S {
|
|
l: Some(vec!["y".to_string(), "z".to_string()]),
|
|
}
|
|
);
|
|
assert_eq!(
|
|
config.get::<S>("nestede").unwrap(),
|
|
S {
|
|
l: Some(vec!["env".to_string()]),
|
|
}
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_other_types() {
|
|
write_config(
|
|
"\
|
|
ns = 123
|
|
ns2 = 456
|
|
",
|
|
);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_NSE", "987")
|
|
.env("CARGO_NS2", "654")
|
|
.build();
|
|
|
|
#[derive(Debug, Deserialize, Eq, PartialEq)]
|
|
#[serde(transparent)]
|
|
struct NewS(i32);
|
|
assert_eq!(config.get::<NewS>("ns").unwrap(), NewS(123));
|
|
assert_eq!(config.get::<NewS>("ns2").unwrap(), NewS(654));
|
|
assert_eq!(config.get::<NewS>("nse").unwrap(), NewS(987));
|
|
assert_error(
|
|
config.get::<NewS>("unset").unwrap_err(),
|
|
"missing config key `unset`",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_relative_path() {
|
|
write_config(&format!(
|
|
"\
|
|
p1 = 'foo/bar'
|
|
p2 = '../abc'
|
|
p3 = 'b/c'
|
|
abs = '{}'
|
|
",
|
|
paths::home().display(),
|
|
));
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_EPATH", "a/b")
|
|
.env("CARGO_P3", "d/e")
|
|
.build();
|
|
|
|
assert_eq!(
|
|
config
|
|
.get::<config::ConfigRelativePath>("p1")
|
|
.unwrap()
|
|
.resolve_path(&config),
|
|
paths::root().join("foo/bar")
|
|
);
|
|
assert_eq!(
|
|
config
|
|
.get::<config::ConfigRelativePath>("p2")
|
|
.unwrap()
|
|
.resolve_path(&config),
|
|
paths::root().join("../abc")
|
|
);
|
|
assert_eq!(
|
|
config
|
|
.get::<config::ConfigRelativePath>("p3")
|
|
.unwrap()
|
|
.resolve_path(&config),
|
|
paths::root().join("d/e")
|
|
);
|
|
assert_eq!(
|
|
config
|
|
.get::<config::ConfigRelativePath>("abs")
|
|
.unwrap()
|
|
.resolve_path(&config),
|
|
paths::home()
|
|
);
|
|
assert_eq!(
|
|
config
|
|
.get::<config::ConfigRelativePath>("epath")
|
|
.unwrap()
|
|
.resolve_path(&config),
|
|
paths::root().join("a/b")
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_integers() {
|
|
write_config(
|
|
"\
|
|
npos = 123456789
|
|
nneg = -123456789
|
|
i64max = 9223372036854775807
|
|
",
|
|
);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_EPOS", "123456789")
|
|
.env("CARGO_ENEG", "-1")
|
|
.env("CARGO_EI64MAX", "9223372036854775807")
|
|
.build();
|
|
|
|
assert_eq!(
|
|
config.get::<u64>("i64max").unwrap(),
|
|
9_223_372_036_854_775_807
|
|
);
|
|
assert_eq!(
|
|
config.get::<i64>("i64max").unwrap(),
|
|
9_223_372_036_854_775_807
|
|
);
|
|
assert_eq!(
|
|
config.get::<u64>("ei64max").unwrap(),
|
|
9_223_372_036_854_775_807
|
|
);
|
|
assert_eq!(
|
|
config.get::<i64>("ei64max").unwrap(),
|
|
9_223_372_036_854_775_807
|
|
);
|
|
|
|
assert_error(
|
|
config.get::<u32>("nneg").unwrap_err(),
|
|
"\
|
|
error in [..].cargo/config: could not load config key `nneg`
|
|
|
|
Caused by:
|
|
invalid value: integer `-123456789`, expected u32",
|
|
);
|
|
assert_error(
|
|
config.get::<u32>("eneg").unwrap_err(),
|
|
"\
|
|
error in environment variable `CARGO_ENEG`: could not load config key `eneg`
|
|
|
|
Caused by:
|
|
invalid value: integer `-1`, expected u32",
|
|
);
|
|
assert_error(
|
|
config.get::<i8>("npos").unwrap_err(),
|
|
"\
|
|
error in [..].cargo/config: could not load config key `npos`
|
|
|
|
Caused by:
|
|
invalid value: integer `123456789`, expected i8",
|
|
);
|
|
assert_error(
|
|
config.get::<i8>("epos").unwrap_err(),
|
|
"\
|
|
error in environment variable `CARGO_EPOS`: could not load config key `epos`
|
|
|
|
Caused by:
|
|
invalid value: integer `123456789`, expected i8",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_ssl_version_missing() {
|
|
write_config(
|
|
"\
|
|
[http]
|
|
hello = 'world'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
assert!(config
|
|
.get::<Option<SslVersionConfig>>("http.ssl-version")
|
|
.unwrap()
|
|
.is_none());
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_ssl_version_single() {
|
|
write_config(
|
|
"\
|
|
[http]
|
|
ssl-version = 'tlsv1.2'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
let a = config
|
|
.get::<Option<SslVersionConfig>>("http.ssl-version")
|
|
.unwrap()
|
|
.unwrap();
|
|
match a {
|
|
SslVersionConfig::Single(v) => assert_eq!(&v, "tlsv1.2"),
|
|
SslVersionConfig::Range(_) => panic!("Did not expect ssl version min/max."),
|
|
};
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_ssl_version_min_max() {
|
|
write_config(
|
|
"\
|
|
[http]
|
|
ssl-version.min = 'tlsv1.2'
|
|
ssl-version.max = 'tlsv1.3'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
let a = config
|
|
.get::<Option<SslVersionConfig>>("http.ssl-version")
|
|
.unwrap()
|
|
.unwrap();
|
|
match a {
|
|
SslVersionConfig::Single(_) => panic!("Did not expect exact ssl version."),
|
|
SslVersionConfig::Range(range) => {
|
|
assert_eq!(range.min, Some(String::from("tlsv1.2")));
|
|
assert_eq!(range.max, Some(String::from("tlsv1.3")));
|
|
}
|
|
};
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn config_get_ssl_version_both_forms_configured() {
|
|
// this is not allowed
|
|
write_config(
|
|
"\
|
|
[http]
|
|
ssl-version = 'tlsv1.1'
|
|
ssl-version.min = 'tlsv1.2'
|
|
ssl-version.max = 'tlsv1.3'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
assert_error(
|
|
config
|
|
.get::<SslVersionConfig>("http.ssl-version")
|
|
.unwrap_err(),
|
|
"\
|
|
could not load Cargo configuration
|
|
|
|
Caused by:
|
|
could not parse TOML configuration in `[..]/.cargo/config`
|
|
|
|
Caused by:
|
|
could not parse input as TOML
|
|
|
|
Caused by:
|
|
dotted key attempted to extend non-table type at line 2 column 15",
|
|
);
|
|
assert!(config
|
|
.get::<Option<SslVersionConfig>>("http.ssl-version")
|
|
.unwrap()
|
|
.is_none());
|
|
}
|
|
|
|
#[cargo_test]
|
|
/// Assert that unstable options can be configured with the `unstable` table in
|
|
/// cargo config files
|
|
fn unstable_table_notation() {
|
|
cargo::core::enable_nightly_features();
|
|
write_config(
|
|
"\
|
|
[unstable]
|
|
print-im-a-teapot = true
|
|
",
|
|
);
|
|
let config = ConfigBuilder::new().build();
|
|
assert_eq!(config.cli_unstable().print_im_a_teapot, true);
|
|
}
|
|
|
|
#[cargo_test]
|
|
/// Assert that dotted notation works for configuring unstable options
|
|
fn unstable_dotted_notation() {
|
|
cargo::core::enable_nightly_features();
|
|
write_config(
|
|
"\
|
|
unstable.print-im-a-teapot = true
|
|
",
|
|
);
|
|
let config = ConfigBuilder::new().build();
|
|
assert_eq!(config.cli_unstable().print_im_a_teapot, true);
|
|
}
|
|
|
|
#[cargo_test]
|
|
/// Assert that Zflags on the CLI take precedence over those from config
|
|
fn unstable_cli_precedence() {
|
|
cargo::core::enable_nightly_features();
|
|
write_config(
|
|
"\
|
|
unstable.print-im-a-teapot = true
|
|
",
|
|
);
|
|
let config = ConfigBuilder::new().build();
|
|
assert_eq!(config.cli_unstable().print_im_a_teapot, true);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.unstable_flag("print-im-a-teapot=no")
|
|
.build();
|
|
assert_eq!(config.cli_unstable().print_im_a_teapot, false);
|
|
}
|
|
|
|
#[cargo_test]
|
|
/// Assert that atempting to set an unstable flag that doesn't exist via config
|
|
/// is ignored on stable
|
|
fn unstable_invalid_flag_ignored_on_stable() {
|
|
write_config(
|
|
"\
|
|
unstable.an-invalid-flag = 'yes'
|
|
",
|
|
);
|
|
assert!(ConfigBuilder::new().build_err().is_ok());
|
|
}
|
|
|
|
#[cargo_test]
|
|
/// Assert that unstable options can be configured with the `unstable` table in
|
|
/// cargo config files
|
|
fn unstable_flags_ignored_on_stable() {
|
|
write_config(
|
|
"\
|
|
[unstable]
|
|
print-im-a-teapot = true
|
|
",
|
|
);
|
|
let config = ConfigBuilder::new().build();
|
|
assert_eq!(config.cli_unstable().print_im_a_teapot, false);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn table_merge_failure() {
|
|
// Config::merge fails to merge entries in two tables.
|
|
write_config_at(
|
|
"foo/.cargo/config",
|
|
"
|
|
[table]
|
|
key = ['foo']
|
|
",
|
|
);
|
|
write_config_at(
|
|
".cargo/config",
|
|
"
|
|
[table]
|
|
key = 'bar'
|
|
",
|
|
);
|
|
|
|
#[derive(Debug, Deserialize)]
|
|
struct Table {
|
|
key: StringList,
|
|
}
|
|
let config = ConfigBuilder::new().cwd("foo").build();
|
|
assert_error(
|
|
config.get::<Table>("table").unwrap_err(),
|
|
"\
|
|
could not load Cargo configuration
|
|
|
|
Caused by:
|
|
failed to merge configuration at `[..]/.cargo/config`
|
|
|
|
Caused by:
|
|
failed to merge key `table` between [..]/foo/.cargo/config and [..]/.cargo/config
|
|
|
|
Caused by:
|
|
failed to merge key `key` between [..]/foo/.cargo/config and [..]/.cargo/config
|
|
|
|
Caused by:
|
|
failed to merge config value from `[..]/.cargo/config` into `[..]/foo/.cargo/config`: \
|
|
expected array, but found string",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn non_string_in_array() {
|
|
// Currently only strings are supported.
|
|
write_config("foo = [1, 2, 3]");
|
|
let config = new_config();
|
|
assert_error(
|
|
config.get::<Vec<i32>>("foo").unwrap_err(),
|
|
"\
|
|
could not load Cargo configuration
|
|
|
|
Caused by:
|
|
failed to load TOML configuration from `[..]/.cargo/config`
|
|
|
|
Caused by:
|
|
failed to parse key `foo`
|
|
|
|
Caused by:
|
|
expected string but found integer in list",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn struct_with_opt_inner_struct() {
|
|
// Struct with a key that is Option of another struct.
|
|
// Check that can be defined with environment variable.
|
|
#[derive(Deserialize)]
|
|
struct Inner {
|
|
value: Option<i32>,
|
|
}
|
|
#[derive(Deserialize)]
|
|
struct Foo {
|
|
inner: Option<Inner>,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_FOO_INNER_VALUE", "12")
|
|
.build();
|
|
let f: Foo = config.get("foo").unwrap();
|
|
assert_eq!(f.inner.unwrap().value.unwrap(), 12);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn struct_with_default_inner_struct() {
|
|
// Struct with serde defaults.
|
|
// Check that can be defined with environment variable.
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default)]
|
|
struct Inner {
|
|
value: i32,
|
|
}
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default)]
|
|
struct Foo {
|
|
inner: Inner,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_FOO_INNER_VALUE", "12")
|
|
.build();
|
|
let f: Foo = config.get("foo").unwrap();
|
|
assert_eq!(f.inner.value, 12);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn overlapping_env_config() {
|
|
// Issue where one key is a prefix of another.
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "kebab-case")]
|
|
struct Ambig {
|
|
debug: Option<u32>,
|
|
debug_assertions: Option<bool>,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_AMBIG_DEBUG_ASSERTIONS", "true")
|
|
.build();
|
|
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, Some(true));
|
|
assert_eq!(s.debug, None);
|
|
|
|
let config = ConfigBuilder::new().env("CARGO_AMBIG_DEBUG", "0").build();
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, None);
|
|
assert_eq!(s.debug, Some(0));
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_AMBIG_DEBUG", "1")
|
|
.env("CARGO_AMBIG_DEBUG_ASSERTIONS", "true")
|
|
.build();
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, Some(true));
|
|
assert_eq!(s.debug, Some(1));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn overlapping_env_with_defaults() {
|
|
// Issue where one key is a prefix of another.
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default, rename_all = "kebab-case")]
|
|
struct Ambig {
|
|
debug: u32,
|
|
debug_assertions: bool,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_AMBIG_DEBUG_ASSERTIONS", "true")
|
|
.build();
|
|
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, true);
|
|
assert_eq!(s.debug, u32::default());
|
|
|
|
let config = ConfigBuilder::new().env("CARGO_AMBIG_DEBUG", "5").build();
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, bool::default());
|
|
assert_eq!(s.debug, 5);
|
|
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_AMBIG_DEBUG", "1")
|
|
.env("CARGO_AMBIG_DEBUG_ASSERTIONS", "true")
|
|
.build();
|
|
let s: Ambig = config.get("ambig").unwrap();
|
|
assert_eq!(s.debug_assertions, true);
|
|
assert_eq!(s.debug, 1);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn struct_with_overlapping_inner_struct_and_defaults() {
|
|
// Struct with serde defaults.
|
|
// Check that can be defined with environment variable.
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default)]
|
|
struct Inner {
|
|
value: i32,
|
|
}
|
|
|
|
// Containing struct with a prefix of inner
|
|
// Check that the nested struct can have fields defined by env
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default)]
|
|
struct PrefixContainer {
|
|
inn: bool,
|
|
inner: Inner,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_PREFIXCONTAINER_INNER_VALUE", "12")
|
|
.build();
|
|
let f: PrefixContainer = config.get("prefixcontainer").unwrap();
|
|
assert_eq!(f.inn, bool::default());
|
|
assert_eq!(f.inner.value, 12);
|
|
|
|
// Containing struct where the inner value's field is a prefix of another
|
|
// Check that the nested struct can have fields defined by env
|
|
#[derive(Deserialize, Default)]
|
|
#[serde(default)]
|
|
struct InversePrefixContainer {
|
|
inner_field: bool,
|
|
inner: Inner,
|
|
}
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_INVERSEREFIXCONTAINER_INNER_VALUE", "12")
|
|
.build();
|
|
let f: InversePrefixContainer = config.get("inverseprefixcontainer").unwrap();
|
|
assert_eq!(f.inner_field, bool::default());
|
|
// NB. This is a limitation of our env variable parsing. We can't currently
|
|
// handle situations where just a value of the inner struct is set, but
|
|
// it's also named as a prefix of another field on the outer struct.
|
|
// assert_eq!(f.inner.value, 12);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn string_list_tricky_env() {
|
|
// Make sure StringList handles typed env values.
|
|
let config = ConfigBuilder::new()
|
|
.env("CARGO_KEY1", "123")
|
|
.env("CARGO_KEY2", "true")
|
|
.env("CARGO_KEY3", "1 2")
|
|
.build();
|
|
let x = config.get::<StringList>("key1").unwrap();
|
|
assert_eq!(x.as_slice(), &["123".to_string()]);
|
|
let x = config.get::<StringList>("key2").unwrap();
|
|
assert_eq!(x.as_slice(), &["true".to_string()]);
|
|
let x = config.get::<StringList>("key3").unwrap();
|
|
assert_eq!(x.as_slice(), &["1".to_string(), "2".to_string()]);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn string_list_wrong_type() {
|
|
// What happens if StringList is given then wrong type.
|
|
write_config("some_list = 123");
|
|
let config = ConfigBuilder::new().build();
|
|
assert_error(
|
|
config.get::<StringList>("some_list").unwrap_err(),
|
|
"\
|
|
invalid configuration for key `some_list`
|
|
expected a string or array of strings, but found a integer for `some_list` in [..]/.cargo/config",
|
|
);
|
|
|
|
write_config("some_list = \"1 2\"");
|
|
let config = ConfigBuilder::new().build();
|
|
let x = config.get::<StringList>("some_list").unwrap();
|
|
assert_eq!(x.as_slice(), &["1".to_string(), "2".to_string()]);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn string_list_advanced_env() {
|
|
// StringList with advanced env.
|
|
let config = ConfigBuilder::new()
|
|
.unstable_flag("advanced-env")
|
|
.env("CARGO_KEY1", "[]")
|
|
.env("CARGO_KEY2", "['1 2', '3']")
|
|
.env("CARGO_KEY3", "[123]")
|
|
.build();
|
|
let x = config.get::<StringList>("key1").unwrap();
|
|
assert_eq!(x.as_slice(), &[] as &[String]);
|
|
let x = config.get::<StringList>("key2").unwrap();
|
|
assert_eq!(x.as_slice(), &["1 2".to_string(), "3".to_string()]);
|
|
assert_error(
|
|
config.get::<StringList>("key3").unwrap_err(),
|
|
"error in environment variable `CARGO_KEY3`: expected string, found integer",
|
|
);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn parse_enum() {
|
|
write_config(
|
|
"\
|
|
[profile.release]
|
|
strip = 'debuginfo'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
let p: toml::TomlProfile = config.get("profile.release").unwrap();
|
|
let strip = p.strip.unwrap();
|
|
assert_eq!(strip, Strip::DebugInfo);
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn parse_enum_fail() {
|
|
write_config(
|
|
"\
|
|
[profile.release]
|
|
strip = 'invalid'
|
|
",
|
|
);
|
|
|
|
let config = new_config();
|
|
|
|
assert_error(
|
|
config
|
|
.get::<toml::TomlProfile>("profile.release")
|
|
.unwrap_err(),
|
|
"\
|
|
error in [..]/.cargo/config: could not load config key `profile.release.strip`
|
|
|
|
Caused by:
|
|
unknown variant `invalid`, expected one of `debuginfo`, `none`, `symbols`",
|
|
);
|
|
}
|