mirror of
https://github.com/rust-lang/cargo.git
synced 2025-09-28 11:20:36 +00:00
662 lines
17 KiB
Rust
662 lines
17 KiB
Rust
//! Tests for the `cargo init` command.
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use cargo_test_support;
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use std::env;
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use std::fs::{self, File};
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use std::io::prelude::*;
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use std::process::Command;
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use cargo_test_support::{paths, Execs};
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fn cargo_process(s: &str) -> Execs {
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let mut execs = cargo_test_support::cargo_process(s);
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execs.cwd(&paths::root()).env("HOME", &paths::home());
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execs
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}
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fn mercurial_available() -> bool {
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let result = Command::new("hg")
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.arg("--version")
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.output()
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.map(|o| o.status.success())
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.unwrap_or(false);
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if !result {
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println!("`hg` not available, skipping test");
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}
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result
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}
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#[cargo_test]
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fn simple_lib() {
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cargo_process("init --lib --vcs none --edition 2015")
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.env("USER", "foo")
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.with_stderr("[CREATED] library package")
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.run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(!paths::root().join(".gitignore").is_file());
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cargo_process("build").run();
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}
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#[cargo_test]
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fn simple_bin() {
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let path = paths::root().join("foo");
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fs::create_dir(&path).unwrap();
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cargo_process("init --bin --vcs none --edition 2015")
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.env("USER", "foo")
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.cwd(&path)
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.with_stderr("[CREATED] binary (application) package")
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.run();
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assert!(paths::root().join("foo/Cargo.toml").is_file());
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assert!(paths::root().join("foo/src/main.rs").is_file());
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cargo_process("build").cwd(&path).run();
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assert!(paths::root()
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.join(&format!("foo/target/debug/foo{}", env::consts::EXE_SUFFIX))
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.is_file());
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}
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#[cargo_test]
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fn simple_git_ignore_exists() {
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// write a .gitignore file with two entries
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fs::create_dir_all(paths::root().join("foo")).unwrap();
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fs::write(
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paths::root().join("foo/.gitignore"),
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"/target\n**/some.file",
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)
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.unwrap();
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cargo_process("init --lib foo --edition 2015")
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.env("USER", "foo")
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.run();
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assert!(paths::root().is_dir());
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assert!(paths::root().join("foo/Cargo.toml").is_file());
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assert!(paths::root().join("foo/src/lib.rs").is_file());
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assert!(paths::root().join("foo/.git").is_dir());
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assert!(paths::root().join("foo/.gitignore").is_file());
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let fp = paths::root().join("foo/.gitignore");
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let mut contents = String::new();
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File::open(&fp)
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert_eq!(
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contents,
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"/target\n\
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**/some.file\n\n\
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#Added by cargo\n\
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#\n\
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#already existing elements were commented out\n\
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\n\
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#/target\n\
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**/*.rs.bk\n\
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Cargo.lock\n",
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);
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cargo_process("build").cwd(&paths::root().join("foo")).run();
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}
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#[cargo_test]
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fn git_ignore_exists_no_conflicting_entries() {
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// write a .gitignore file with one entry
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fs::create_dir_all(paths::root().join("foo")).unwrap();
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fs::write(paths::root().join("foo/.gitignore"), "**/some.file").unwrap();
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cargo_process("init --lib foo --edition 2015")
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.env("USER", "foo")
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.run();
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let fp = paths::root().join("foo/.gitignore");
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let mut contents = String::new();
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File::open(&fp)
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert_eq!(
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contents,
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"**/some.file\n\n\
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#Added by cargo\n\
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\n\
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/target\n\
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**/*.rs.bk\n\
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Cargo.lock\n",
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);
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}
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#[cargo_test]
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fn both_lib_and_bin() {
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cargo_process("init --lib --bin")
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.env("USER", "foo")
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.with_status(101)
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.with_stderr("[ERROR] can't specify both lib and binary outputs")
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.run();
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}
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fn bin_already_exists(explicit: bool, rellocation: &str) {
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let path = paths::root().join("foo");
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fs::create_dir_all(&path.join("src")).unwrap();
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let sourcefile_path = path.join(rellocation);
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let content = br#"
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fn main() {
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println!("Hello, world 2!");
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}
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"#;
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File::create(&sourcefile_path)
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.unwrap()
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.write_all(content)
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.unwrap();
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if explicit {
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cargo_process("init --bin --vcs none")
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.env("USER", "foo")
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.cwd(&path)
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.run();
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} else {
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cargo_process("init --vcs none")
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.env("USER", "foo")
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.cwd(&path)
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.run();
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}
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assert!(paths::root().join("foo/Cargo.toml").is_file());
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assert!(!paths::root().join("foo/src/lib.rs").is_file());
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// Check that our file is not overwritten
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let mut new_content = Vec::new();
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File::open(&sourcefile_path)
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.unwrap()
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.read_to_end(&mut new_content)
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.unwrap();
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assert_eq!(Vec::from(content as &[u8]), new_content);
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}
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#[cargo_test]
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fn bin_already_exists_explicit() {
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bin_already_exists(true, "src/main.rs")
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}
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#[cargo_test]
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fn bin_already_exists_implicit() {
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bin_already_exists(false, "src/main.rs")
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}
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#[cargo_test]
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fn bin_already_exists_explicit_nosrc() {
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bin_already_exists(true, "main.rs")
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}
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#[cargo_test]
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fn bin_already_exists_implicit_nosrc() {
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bin_already_exists(false, "main.rs")
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}
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#[cargo_test]
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fn bin_already_exists_implicit_namenosrc() {
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bin_already_exists(false, "foo.rs")
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}
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#[cargo_test]
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fn bin_already_exists_implicit_namesrc() {
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bin_already_exists(false, "src/foo.rs")
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}
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#[cargo_test]
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fn confused_by_multiple_lib_files() {
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let path = paths::root().join("foo");
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fs::create_dir_all(&path.join("src")).unwrap();
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let sourcefile_path1 = path.join("src/lib.rs");
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File::create(&sourcefile_path1)
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.unwrap()
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.write_all(br#"fn qqq () { println!("Hello, world 2!"); }"#)
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.unwrap();
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let sourcefile_path2 = path.join("lib.rs");
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File::create(&sourcefile_path2)
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.unwrap()
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.write_all(br#" fn qqq () { println!("Hello, world 3!"); }"#)
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.unwrap();
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cargo_process("init --vcs none").env("USER", "foo").cwd(&path).with_status(101).with_stderr(
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"[ERROR] cannot have a package with multiple libraries, found both `src/lib.rs` and `lib.rs`",
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)
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.run();
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assert!(!paths::root().join("foo/Cargo.toml").is_file());
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}
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#[cargo_test]
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fn multibin_project_name_clash() {
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let path = paths::root().join("foo");
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fs::create_dir(&path).unwrap();
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let sourcefile_path1 = path.join("foo.rs");
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File::create(&sourcefile_path1)
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.unwrap()
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.write_all(br#"fn main () { println!("Hello, world 2!"); }"#)
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.unwrap();
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let sourcefile_path2 = path.join("main.rs");
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File::create(&sourcefile_path2)
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.unwrap()
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.write_all(br#"fn main () { println!("Hello, world 3!"); }"#)
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.unwrap();
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cargo_process("init --lib --vcs none")
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.env("USER", "foo")
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.cwd(&path)
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.with_status(101)
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.with_stderr(
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"\
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[ERROR] multiple possible binary sources found:
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main.rs
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foo.rs
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cannot automatically generate Cargo.toml as the main target would be ambiguous
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",
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)
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.run();
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assert!(!paths::root().join("foo/Cargo.toml").is_file());
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}
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fn lib_already_exists(rellocation: &str) {
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let path = paths::root().join("foo");
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fs::create_dir_all(&path.join("src")).unwrap();
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let sourcefile_path = path.join(rellocation);
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let content = br#"
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pub fn qqq() {}
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"#;
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File::create(&sourcefile_path)
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.unwrap()
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.write_all(content)
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.unwrap();
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cargo_process("init --vcs none")
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.env("USER", "foo")
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.cwd(&path)
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.run();
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assert!(paths::root().join("foo/Cargo.toml").is_file());
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assert!(!paths::root().join("foo/src/main.rs").is_file());
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// Check that our file is not overwritten
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let mut new_content = Vec::new();
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File::open(&sourcefile_path)
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.unwrap()
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.read_to_end(&mut new_content)
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.unwrap();
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assert_eq!(Vec::from(content as &[u8]), new_content);
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}
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#[cargo_test]
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fn lib_already_exists_src() {
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lib_already_exists("src/lib.rs");
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}
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#[cargo_test]
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fn lib_already_exists_nosrc() {
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lib_already_exists("lib.rs");
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}
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#[cargo_test]
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fn simple_git() {
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cargo_process("init --lib --vcs git")
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.env("USER", "foo")
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.run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(paths::root().join(".git").is_dir());
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assert!(paths::root().join(".gitignore").is_file());
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}
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#[cargo_test]
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fn auto_git() {
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(paths::root().join(".git").is_dir());
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assert!(paths::root().join(".gitignore").is_file());
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}
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#[cargo_test]
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fn invalid_dir_name() {
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let foo = &paths::root().join("foo.bar");
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fs::create_dir_all(&foo).unwrap();
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cargo_process("init")
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.cwd(foo.clone())
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.env("USER", "foo")
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.with_status(101)
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.with_stderr(
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"\
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[ERROR] Invalid character `.` in crate name: `foo.bar`
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use --name to override crate name
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",
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)
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.run();
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assert!(!foo.join("Cargo.toml").is_file());
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}
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#[cargo_test]
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fn reserved_name() {
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let test = &paths::root().join("test");
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fs::create_dir_all(&test).unwrap();
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cargo_process("init")
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.cwd(test.clone())
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.env("USER", "foo")
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.with_status(101)
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.with_stderr(
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"\
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[ERROR] The name `test` cannot be used as a crate name\n\
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use --name to override crate name
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",
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)
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.run();
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assert!(!test.join("Cargo.toml").is_file());
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}
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#[cargo_test]
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fn git_autodetect() {
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fs::create_dir(&paths::root().join(".git")).unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(paths::root().join(".git").is_dir());
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assert!(paths::root().join(".gitignore").is_file());
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}
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#[cargo_test]
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fn mercurial_autodetect() {
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fs::create_dir(&paths::root().join(".hg")).unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(!paths::root().join(".git").is_dir());
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assert!(paths::root().join(".hgignore").is_file());
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}
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#[cargo_test]
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fn gitignore_appended_not_replaced() {
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fs::create_dir(&paths::root().join(".git")).unwrap();
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File::create(&paths::root().join(".gitignore"))
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.unwrap()
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.write_all(b"qqqqqq\n")
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.unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join("Cargo.toml").is_file());
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assert!(paths::root().join("src/lib.rs").is_file());
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assert!(paths::root().join(".git").is_dir());
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assert!(paths::root().join(".gitignore").is_file());
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let mut contents = String::new();
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File::open(&paths::root().join(".gitignore"))
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert!(contents.contains(r#"qqqqqq"#));
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}
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#[cargo_test]
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fn gitignore_added_newline_in_existing() {
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fs::create_dir(&paths::root().join(".git")).unwrap();
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File::create(&paths::root().join(".gitignore"))
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.unwrap()
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.write_all(b"first")
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.unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join(".gitignore").is_file());
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let mut contents = String::new();
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File::open(&paths::root().join(".gitignore"))
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert!(contents.starts_with("first\n"));
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}
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#[cargo_test]
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fn gitignore_no_newline_in_new() {
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fs::create_dir(&paths::root().join(".git")).unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join(".gitignore").is_file());
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let mut contents = String::new();
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File::open(&paths::root().join(".gitignore"))
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert!(!contents.starts_with('\n'));
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}
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#[cargo_test]
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fn mercurial_added_newline_in_existing() {
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fs::create_dir(&paths::root().join(".hg")).unwrap();
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File::create(&paths::root().join(".hgignore"))
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.unwrap()
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.write_all(b"first")
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.unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join(".hgignore").is_file());
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let mut contents = String::new();
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File::open(&paths::root().join(".hgignore"))
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert!(contents.starts_with("first\n"));
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}
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#[cargo_test]
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fn mercurial_no_newline_in_new() {
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fs::create_dir(&paths::root().join(".hg")).unwrap();
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cargo_process("init --lib").env("USER", "foo").run();
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assert!(paths::root().join(".hgignore").is_file());
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let mut contents = String::new();
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File::open(&paths::root().join(".hgignore"))
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.unwrap()
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.read_to_string(&mut contents)
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.unwrap();
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assert!(!contents.starts_with('\n'));
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}
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#[cargo_test]
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fn terminating_newline_in_new_git_ignore() {
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cargo_process("init --vcs git --lib")
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.env("USER", "foo")
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.run();
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let content = fs::read_to_string(&paths::root().join(".gitignore")).unwrap();
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let mut last_chars = content.chars().rev();
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assert_eq!(last_chars.next(), Some('\n'));
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assert_ne!(last_chars.next(), Some('\n'));
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}
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#[cargo_test]
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fn terminating_newline_in_new_mercurial_ignore() {
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if !mercurial_available() {
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return;
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}
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cargo_process("init --vcs hg --lib")
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.env("USER", "foo")
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.run();
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let content = fs::read_to_string(&paths::root().join(".hgignore")).unwrap();
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let mut last_chars = content.chars().rev();
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assert_eq!(last_chars.next(), Some('\n'));
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assert_ne!(last_chars.next(), Some('\n'));
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}
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#[cargo_test]
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fn terminating_newline_in_existing_git_ignore() {
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fs::create_dir(&paths::root().join(".git")).unwrap();
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fs::write(&paths::root().join(".gitignore"), b"first").unwrap();
|
|
|
|
cargo_process("init --lib").env("USER", "foo").run();
|
|
|
|
let content = fs::read_to_string(&paths::root().join(".gitignore")).unwrap();
|
|
|
|
let mut last_chars = content.chars().rev();
|
|
assert_eq!(last_chars.next(), Some('\n'));
|
|
assert_ne!(last_chars.next(), Some('\n'));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn terminating_newline_in_existing_mercurial_ignore() {
|
|
fs::create_dir(&paths::root().join(".hg")).unwrap();
|
|
fs::write(&paths::root().join(".hgignore"), b"first").unwrap();
|
|
|
|
cargo_process("init --lib").env("USER", "foo").run();
|
|
|
|
let content = fs::read_to_string(&paths::root().join(".hgignore")).unwrap();
|
|
|
|
let mut last_chars = content.chars().rev();
|
|
assert_eq!(last_chars.next(), Some('\n'));
|
|
assert_ne!(last_chars.next(), Some('\n'));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn cargo_lock_gitignored_if_lib1() {
|
|
fs::create_dir(&paths::root().join(".git")).unwrap();
|
|
|
|
cargo_process("init --lib --vcs git")
|
|
.env("USER", "foo")
|
|
.run();
|
|
|
|
assert!(paths::root().join(".gitignore").is_file());
|
|
|
|
let mut contents = String::new();
|
|
File::open(&paths::root().join(".gitignore"))
|
|
.unwrap()
|
|
.read_to_string(&mut contents)
|
|
.unwrap();
|
|
assert!(contents.contains(r#"Cargo.lock"#));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn cargo_lock_gitignored_if_lib2() {
|
|
fs::create_dir(&paths::root().join(".git")).unwrap();
|
|
|
|
File::create(&paths::root().join("lib.rs"))
|
|
.unwrap()
|
|
.write_all(br#""#)
|
|
.unwrap();
|
|
|
|
cargo_process("init --vcs git").env("USER", "foo").run();
|
|
|
|
assert!(paths::root().join(".gitignore").is_file());
|
|
|
|
let mut contents = String::new();
|
|
File::open(&paths::root().join(".gitignore"))
|
|
.unwrap()
|
|
.read_to_string(&mut contents)
|
|
.unwrap();
|
|
assert!(contents.contains(r#"Cargo.lock"#));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn cargo_lock_not_gitignored_if_bin1() {
|
|
fs::create_dir(&paths::root().join(".git")).unwrap();
|
|
|
|
cargo_process("init --vcs git --bin")
|
|
.env("USER", "foo")
|
|
.run();
|
|
|
|
assert!(paths::root().join(".gitignore").is_file());
|
|
|
|
let mut contents = String::new();
|
|
File::open(&paths::root().join(".gitignore"))
|
|
.unwrap()
|
|
.read_to_string(&mut contents)
|
|
.unwrap();
|
|
assert!(!contents.contains(r#"Cargo.lock"#));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn cargo_lock_not_gitignored_if_bin2() {
|
|
fs::create_dir(&paths::root().join(".git")).unwrap();
|
|
|
|
File::create(&paths::root().join("main.rs"))
|
|
.unwrap()
|
|
.write_all(br#""#)
|
|
.unwrap();
|
|
|
|
cargo_process("init --vcs git").env("USER", "foo").run();
|
|
|
|
assert!(paths::root().join(".gitignore").is_file());
|
|
|
|
let mut contents = String::new();
|
|
File::open(&paths::root().join(".gitignore"))
|
|
.unwrap()
|
|
.read_to_string(&mut contents)
|
|
.unwrap();
|
|
assert!(!contents.contains(r#"Cargo.lock"#));
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn with_argument() {
|
|
cargo_process("init foo --vcs none")
|
|
.env("USER", "foo")
|
|
.run();
|
|
assert!(paths::root().join("foo/Cargo.toml").is_file());
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn unknown_flags() {
|
|
cargo_process("init foo --flag")
|
|
.with_status(1)
|
|
.with_stderr_contains(
|
|
"error: Found argument '--flag' which wasn't expected, or isn't valid in this context",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cfg(not(windows))]
|
|
#[cargo_test]
|
|
fn no_filename() {
|
|
cargo_process("init /")
|
|
.with_status(101)
|
|
.with_stderr(
|
|
"[ERROR] cannot auto-detect package name from path \"/\" ; use --name to override"
|
|
.to_string(),
|
|
)
|
|
.run();
|
|
}
|