71 lines
1.9 KiB
Rust
71 lines
1.9 KiB
Rust
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fn generate_tests() {
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use std::env;
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use std::ffi::OsStr;
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use std::fs::{self, File};
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use std::io::Write;
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use std::path::{Path, PathBuf};
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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let mut dst = File::create(Path::new(&out_dir).join("tests.rs")).unwrap();
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let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
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let tests_dir = manifest_dir.join("tests").join("rust");
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let tests = fs::read_dir(&tests_dir).unwrap();
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let entries = tests.map(|t| t.expect("Couldn't read test file"));
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println!("cargo:rerun-if-changed={}", tests_dir.display());
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// Try to make a decent guess at where our binary will end up in.
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//
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// TODO(emilio): Ideally running tests will just use the library-version of
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// cbindgen instead of the built binary.
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let cbindgen_path = out_dir
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.parent()
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.unwrap()
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.parent()
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.unwrap()
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.parent()
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.unwrap()
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.join("cbindgen");
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for entry in entries {
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let path_segment = if entry.file_type().unwrap().is_file() {
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match entry.path().extension().and_then(OsStr::to_str) {
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Some("rs") => {}
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_ => continue,
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};
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entry
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.path()
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.file_stem()
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.unwrap()
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.to_str()
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.unwrap()
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.to_owned()
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} else {
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entry.file_name().to_str().unwrap().to_owned()
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};
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let identifier = path_segment
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.replace(|c| !char::is_alphanumeric(c), "_")
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.replace("__", "_");
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writeln!(
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dst,
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"test_file!({:?}, test_{}, {:?}, {:?});",
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cbindgen_path,
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identifier,
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path_segment,
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entry.path(),
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)
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.unwrap();
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}
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dst.flush().unwrap();
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}
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fn main() {
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generate_tests();
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}
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