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Don't use the diff command in regex test

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The output is small enough that getting a pretty diff isn't important.
In addition this reduces the amount of commands the build system depends
on.
This commit is contained in:
bjorn3 2023-01-13 15:14:04 +00:00
parent 890c61216a
commit 1a89507d7c
1 changed files with 7 additions and 17 deletions
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24
build_system/tests.rs
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@ -169,9 +169,10 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-input.txt"),
)
.unwrap();
let expected_path =
REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-output.txt");
let expected = fs::read_to_string(&expected_path).unwrap();
let expected = fs::read_to_string(
REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-output.txt"),
)
.unwrap();
let output = spawn_and_wait_with_input(run_cmd, input);
// Make sure `[codegen mono items] start` doesn't poison the diff
@ -184,20 +185,9 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
let output_matches = expected.lines().eq(output.lines());
if !output_matches {
let res_path = REGEX.source_dir(&runner.dirs).join("res.txt");
fs::write(&res_path, &output).unwrap();
if cfg!(windows) {
println!("Output files don't match!");
println!("Expected Output:\n{}", expected);
println!("Actual Output:\n{}", output);
} else {
let mut diff = Command::new("diff");
diff.arg("-u");
diff.arg(res_path);
diff.arg(expected_path);
spawn_and_wait(diff);
}
println!("Output files don't match!");
println!("Expected Output:\n{}", expected);
println!("Actual Output:\n{}", output);
std::process::exit(1);
}