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Add a primitive way to add new tests to parse_and_replace.

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This adds an environment variable to make it easier to add new tests.
This commit is contained in:
Eric Huss 2023-12-31 09:58:37 -08:00
parent c54fa88ea4
commit 029fe2bafc
1 changed files with 11 additions and 0 deletions
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11
crates/rustfix/tests/parse_and_replace.rs
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@ -10,6 +10,9 @@
//! There are several debugging environment variables for this test that you can set:
//!
//! - `RUST_LOG=parse_and_replace=debug`: Print debug information.
//! - `RUSTFIX_TEST_BLESS=test-name.rs`: When given the name of a test, this
//! will overwrite the `.json` and `.fixed.rs` files with the expected
//! values. This can be used when adding a new test.
//! - `RUSTFIX_TEST_RECORD_JSON=1`: Records the JSON output to
//! `*.recorded.json` files. You can then move that to `.json` or whatever
//! you need.
@ -39,6 +42,7 @@ mod settings {
pub const CHECK_JSON: &str = "RUSTFIX_TEST_CHECK_JSON";
pub const RECORD_JSON: &str = "RUSTFIX_TEST_RECORD_JSON";
pub const RECORD_FIXED_RUST: &str = "RUSTFIX_TEST_RECORD_FIXED_RUST";
pub const BLESS: &str = "RUSTFIX_TEST_BLESS";
}
fn compile(file: &Path) -> Result<Output, Error> {
@ -176,6 +180,13 @@ fn test_rustfix_with_file<P: AsRef<Path>>(file: P, mode: &str) -> Result<(), Err
fs::write(file.with_extension("recorded.rs"), &fixed)?;
}
if let Some(bless_name) = std::env::var_os(settings::BLESS) {
if bless_name == file.file_name().unwrap() {
std::fs::write(&json_file, &errors)?;
std::fs::write(&fixed_file, &fixed)?;
}
}
let expected_fixed = fs::read_to_string(&fixed_file)
.context(format!("could read fixed file for {}", file.display()))?;
ensure!(