- 使用
libtest-mimic给每组参数生成测试（自定义测试名和测试函数名、自动处理 panic、良好的结果汇总） - 使用
itertools生成参数的组合
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/*
[dependencies]
itertools = "0.10"
libtest-mimic = "0.6"
*/
use libtest_mimic::{Failed, Trial};
#[test]
fn test() {
let foo = [1, 2, 3];
let bar = ['a', 'b', 'c'];
let baz = ["xxx", "yyy", "zzz"];
let kind = "combinatorial test";
let tests = itertools::iproduct!(foo, bar, baz)
.map(|(a, b, c)| {
let name = format!("{a}-{b}-{c}");
// write test code in the closure
Trial::test(name, move || do_test(a, b, c)).with_kind(kind)
})
.collect();
libtest_mimic::run(&Default::default(), tests).exit()
}
fn do_test(a: i32, b: char, c: &str) -> Result<(), Failed> {
assert_ne!((a, b, c), (2, 'a', "xxx")); // panic style
if (a, c) == (1, "zzz") {
// custom display error
return Err("Ops...".into());
}
Ok(())
}
running 27 tests
test [combinatorial test] 1-a-xxx ... ok
test [combinatorial test] 1-a-yyy ... ok
test [combinatorial test] 1-a-zzz ... FAILED
test [combinatorial test] 1-b-xxx ... ok
test [combinatorial test] 1-b-yyy ... ok
test [combinatorial test] 1-b-zzz ... FAILED
test [combinatorial test] 1-c-xxx ... ok
test [combinatorial test] 1-c-yyy ... ok
test [combinatorial test] 1-c-zzz ... FAILED
thread '<unnamed>' panicked at 'assertion failed: `(left != right)`
left: `(2, 'a', "xxx")`,
right: `(2, 'a', "xxx")`', src/main.rs:23:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
test [combinatorial test] 2-a-xxx ... FAILED
test [combinatorial test] 2-a-yyy ... ok
test [combinatorial test] 2-a-zzz ... ok
test [combinatorial test] 2-b-xxx ... ok
test [combinatorial test] 2-b-yyy ... ok
test [combinatorial test] 2-b-zzz ... ok
test [combinatorial test] 2-c-xxx ... ok
test [combinatorial test] 2-c-yyy ... ok
test [combinatorial test] 2-c-zzz ... ok
test [combinatorial test] 3-a-xxx ... ok
test [combinatorial test] 3-a-yyy ... ok
test [combinatorial test] 3-a-zzz ... ok
test [combinatorial test] 3-b-xxx ... ok
test [combinatorial test] 3-b-yyy ... ok
test [combinatorial test] 3-b-zzz ... ok
test [combinatorial test] 3-c-xxx ... ok
test [combinatorial test] 3-c-yyy ... ok
test [combinatorial test] 3-c-zzz ... ok
failures:
---- 1-a-zzz ----
Ops...
---- 1-b-zzz ----
Ops...
---- 1-c-zzz ----
Ops...
---- 2-a-xxx ----
test panicked: assertion failed: `(left != right)`
left: `(2, 'a', "xxx")`,
right: `(2, 'a', "xxx")`
failures:
1-a-zzz
1-b-zzz
1-c-zzz
2-a-xxx
test result: FAILED. 23 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
其实终端带有颜色：
