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Merge pull request #531 from asomers/concretize-bounds
Fix using #[concretize] on functions with bounded generic types
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| // vim: tw=80 | ||
| //! Using #[concretize] on generic types with trait bounds | ||
| #![deny(warnings)] | ||
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| use mockall::*; | ||
| use std::path::{Path, PathBuf}; | ||
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| trait AsRefMut<T: ?Sized>: AsRef<T> + AsMut<T> {} | ||
| impl<Q, T> AsRefMut<T> for Q where Q: AsRef<T> + AsMut<T>, T: ?Sized {} | ||
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| mock! { | ||
| Foo { | ||
| /// Base concretized function | ||
| #[mockall::concretize] | ||
| fn foo<P: AsRef<std::path::Path> + Send>(&self, x: P); | ||
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| /// With a where clause | ||
| #[mockall::concretize] | ||
| fn boom<P>(&self, x: P) where P: AsRef<std::path::Path> + Send; | ||
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| /// Static function | ||
| #[mockall::concretize] | ||
| fn bang<P: AsRef<std::path::Path> + Send>(x: P); | ||
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| /// Reference argument | ||
| #[mockall::concretize] | ||
| fn boomref<P: AsRef<std::path::Path> + Send>(&self, x: &P); | ||
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| /// Mutable reference argument | ||
| #[mockall::concretize] | ||
| fn boom_mutref<T: AsRefMut<str> + Send>(&self, x: &mut T); | ||
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| /// Slice argument | ||
| #[mockall::concretize] | ||
| fn boomv<P>(&self, x: &[P]) where P: AsRef<std::path::Path> + Send; | ||
| } | ||
| } | ||
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| mod generic_arg { | ||
| use super::*; | ||
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| #[test] | ||
| fn withf() { | ||
| let mut foo = MockFoo::new(); | ||
| foo.expect_foo() | ||
| .withf(|p| p.as_ref() == Path::new("/tmp")) | ||
| .times(3) | ||
| .return_const(()); | ||
| foo.foo(Path::new("/tmp")); | ||
| foo.foo(PathBuf::from(Path::new("/tmp"))); | ||
| foo.foo("/tmp"); | ||
| } | ||
| } | ||
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| mod where_clause { | ||
| use super::*; | ||
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| #[test] | ||
| fn withf() { | ||
| let mut foo = MockFoo::new(); | ||
| foo.expect_boom() | ||
| .withf(|p| p.as_ref() == Path::new("/tmp")) | ||
| .times(3) | ||
| .return_const(()); | ||
| foo.boom(Path::new("/tmp")); | ||
| foo.boom(PathBuf::from(Path::new("/tmp"))); | ||
| foo.boom("/tmp"); | ||
| } | ||
| } | ||
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| mod mutable_reference_arg { | ||
| use super::*; | ||
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| #[test] | ||
| fn withf() { | ||
| let mut foo = MockFoo::new(); | ||
| foo.expect_boom_mutref() | ||
| .withf(|p| p.as_ref() == "/tmp") | ||
| .once() | ||
| .returning(|s| s.as_mut().make_ascii_uppercase()); | ||
| let mut s = String::from("/tmp"); | ||
| foo.boom_mutref(&mut s); | ||
| assert_eq!(s, "/TMP"); | ||
| } | ||
| } | ||
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| mod reference_arg { | ||
| use super::*; | ||
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| #[test] | ||
| fn withf() { | ||
| let mut foo = MockFoo::new(); | ||
| foo.expect_boomref() | ||
| .withf(|p| p.as_ref() == Path::new("/tmp")) | ||
| .times(3) | ||
| .return_const(()); | ||
| foo.boomref(&Path::new("/tmp")); | ||
| foo.boomref(&PathBuf::from(Path::new("/tmp"))); | ||
| foo.boomref(&"/tmp"); | ||
| } | ||
| } | ||
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| mod slice { | ||
| use super::*; | ||
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| #[test] | ||
| fn withf() { | ||
| let mut foo = MockFoo::new(); | ||
| foo.expect_boomv() | ||
| .withf(|v| | ||
| v[0].as_ref() == Path::new("/tmp") && | ||
| v[1].as_ref() == Path::new("/mnt") | ||
| ).times(3) | ||
| .return_const(()); | ||
| foo.boomv(&[Path::new("/tmp"), Path::new("/mnt")]); | ||
| foo.boomv(&[PathBuf::from("/tmp"), PathBuf::from("/mnt")]); | ||
| foo.boomv(&["/tmp", "/mnt"]); | ||
| } | ||
| } | ||
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| mod static_method { | ||
| use super::*; | ||
|
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| #[test] | ||
| fn withf() { | ||
| let ctx = MockFoo::bang_context(); | ||
| ctx.expect() | ||
| .withf(|p| p.as_ref() == Path::new("/tmp")) | ||
| .times(3) | ||
| .return_const(()); | ||
| MockFoo::bang(Path::new("/tmp")); | ||
| MockFoo::bang(PathBuf::from(Path::new("/tmp"))); | ||
| MockFoo::bang("/tmp"); | ||
| } | ||
| } |
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