[unwrap_used], [expect_used] do not lint in test cfg

This commit is contained in:
kraktus 2022-10-21 15:27:25 +02:00
parent 967f172e25
commit 6551754945
6 changed files with 40 additions and 22 deletions

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@ -1,5 +1,5 @@
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::is_in_test_function;
use clippy_utils::is_in_cfg_test;
use clippy_utils::ty::is_type_diagnostic_item;
use rustc_hir as hir;
use rustc_lint::LateContext;
@ -27,7 +27,7 @@ pub(super) fn check(
let method = if is_err { "expect_err" } else { "expect" };
if allow_expect_in_tests && is_in_test_function(cx.tcx, expr.hir_id) {
if allow_expect_in_tests && is_in_cfg_test(cx.tcx, expr.hir_id) {
return;
}

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@ -1,6 +1,6 @@
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::ty::is_type_diagnostic_item;
use clippy_utils::{is_in_test_function, is_lint_allowed};
use clippy_utils::{is_in_cfg_test, is_lint_allowed};
use rustc_hir as hir;
use rustc_lint::LateContext;
use rustc_span::sym;
@ -27,7 +27,7 @@ pub(super) fn check(
let method_suffix = if is_err { "_err" } else { "" };
if allow_unwrap_in_tests && is_in_test_function(cx.tcx, expr.hir_id) {
if allow_unwrap_in_tests && is_in_cfg_test(cx.tcx, expr.hir_id) {
return;
}

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@ -373,11 +373,11 @@ pub(crate) fn get_configuration_metadata() -> Vec<ClippyConfiguration> {
(max_include_file_size: u64 = 1_000_000),
/// Lint: EXPECT_USED.
///
/// Whether `expect` should be allowed in test functions
/// Whether `expect` should be allowed in test cfg
(allow_expect_in_tests: bool = false),
/// Lint: UNWRAP_USED.
///
/// Whether `unwrap` should be allowed in test functions
/// Whether `unwrap` should be allowed in test cfg
(allow_unwrap_in_tests: bool = false),
/// Lint: DBG_MACRO.
///

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@ -16,14 +16,19 @@ fn main() {
expect_result();
}
#[cfg(test)]
mod issue9612 {
// should not lint in `#[cfg(test)]` modules
#[test]
fn test_expect_option() {
let opt = Some(0);
let _ = opt.expect("");
fn test_fn() {
let _a: u8 = 2.try_into().unwrap();
let _a: u8 = 3.try_into().expect("");
util();
}
#[test]
fn test_expect_result() {
let res: Result<u8, ()> = Ok(0);
let _ = res.expect("");
fn util() {
let _a: u8 = 4.try_into().unwrap();
let _a: u8 = 5.try_into().expect("");
}
}

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@ -66,8 +66,21 @@ fn main() {
}
}
#[cfg(test)]
mod issue9612 {
// should not lint in `#[cfg(test)]` modules
#[test]
fn test() {
let boxed_slice: Box<[u8]> = Box::new([0, 1, 2, 3]);
let _ = boxed_slice.get(1).unwrap();
fn test_fn() {
let _a: u8 = 2.try_into().unwrap();
let _a: u8 = 3.try_into().expect("");
util();
}
fn util() {
let _a: u8 = 4.try_into().unwrap();
let _a: u8 = 5.try_into().expect("");
// should still warn
let _ = Box::new([0]).get(1).unwrap();
}
}

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@ -188,10 +188,10 @@ LL | let _ = some_vec.get_mut(0..1).unwrap().to_vec();
= help: if you don't want to handle the `None` case gracefully, consider using `expect()` to provide a better panic message
error: called `.get().unwrap()` on a slice. Using `[]` is more clear and more concise
--> $DIR/unwrap_used.rs:72:13
--> $DIR/unwrap_used.rs:84:17
|
LL | let _ = boxed_slice.get(1).unwrap();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&boxed_slice[1]`
LL | let _ = Box::new([0]).get(1).unwrap();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&Box::new([0])[1]`
error: aborting due to 27 previous errors