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Auto merge of #3748 - phansch:uitest, r=oli-obk

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Add a uitest subcommand to simplify UI test invocation

This makes running single tests a lot easier.

It's now

`TESTNAME=xxx cargo uitest`

instead of

`TESTNAME=xxx cargo test --test compile-test`
This commit is contained in:
bors 2019-02-09 04:09:25 +00:00
commit 77435f9938
3 changed files with 5 additions and 3 deletions
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2
.cargo/config Normal file
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@ -0,0 +1,2 @@
[alias]
uitest = "test --test compile-test"

4
CONTRIBUTING.md
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@ -101,7 +101,7 @@ fn main() {
}
```
Now you run `TESTNAME=ui/my_lint cargo test --test compile-test` to produce
Now you run `TESTNAME=ui/my_lint cargo uitest` to produce
a `.stdout` file with the generated code:
```rust
@ -151,7 +151,7 @@ Use `cargo test` to run the whole testsuite.
If you don't want to wait for all tests to finish, you can also execute a single test file by using `TESTNAME` to specify the test to run:
```bash
TESTNAME=ui/empty_line_after_outer_attr cargo test --test compile-test
TESTNAME=ui/empty_line_after_outer_attr cargo uitest
```
Clippy uses UI tests. UI tests check that the output of the compiler is exactly as expected.

2
clippy_lints/src/utils/author.rs
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@ -25,7 +25,7 @@ use syntax::ast::{Attribute, LitKind, DUMMY_NODE_ID};
/// }
/// ```
///
/// Running `TESTNAME=ui/my_lint cargo test --test compile-test` will produce
/// Running `TESTNAME=ui/my_lint cargo uitest` will produce
/// a `./tests/ui/new_lint.stdout` file with the generated code:
///
/// ```rust