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Add testing whether load(dump(x)) is an identity in quickcheck

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This commit is contained in:
Konrad Borowski 2018-09-15 18:49:17 +02:00
parent 5039af6862
commit 6cb37b8e32
1 changed files with 5 additions and 4 deletions
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9
parser/tests/quickcheck.rs
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@ -9,13 +9,14 @@ use yaml_rust::{Yaml, YamlEmitter, YamlLoader};
quickcheck! {
fn test_check_weird_keys(xs: Vec<String>) -> TestResult {
let mut out_str = String::new();
let input = Yaml::Array(xs.into_iter().map(Yaml::String).collect());
{
let mut emitter = YamlEmitter::new(&mut out_str);
emitter.dump(&Yaml::Array(xs.into_iter().map(Yaml::String).collect())).unwrap();
emitter.dump(&input).unwrap();
}
if let Err(err) = YamlLoader::load_from_str(&out_str) {
return TestResult::error(err.description());
match YamlLoader::load_from_str(&out_str) {
Ok(output) => TestResult::from_bool(output.len() == 1 && input == output[0]),
Err(err) => TestResult::error(err.description()),
}
TestResult::passed()
}
}