d6f64ec88e
Currently spectest fuzzing indexes into a compile-time-created array of strings which is the list of input files, but the order of this array is dependent on the filesystem that we're reading from. This means that inputs from oss-fuzz may not be easily reproducible locally because files could be read in different orders, so indexes could be distinct. This commit instead reads the directory paths, then sorts them, then includes them for testing. That way fuzz inputs at a specific commit should be consistent.
30 lines
945 B
Rust
30 lines
945 B
Rust
// A small build script to include the contents of the spec test suite into the
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// final fuzzing binary so the fuzzing binary can be run elsewhere and doesn't
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// rely on the original source tree.
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use std::env;
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use std::path::PathBuf;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());
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let dir = env::current_dir()
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.unwrap()
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.join("../../tests/spec_testsuite");
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let mut code = format!("static FILES: &[(&str, &str)] = &[\n");
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let entries = dir
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.read_dir()
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.unwrap()
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.map(|p| p.unwrap().path().display().to_string())
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.collect::<Vec<_>>();
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for path in entries {
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if !path.ends_with(".wast") {
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continue;
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}
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code.push_str(&format!("({:?}, include_str!({0:?})),\n", path));
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}
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code.push_str("];\n");
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std::fs::write(out_dir.join("spectests.rs"), code).unwrap();
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}
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