1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2024 Google LLC. All rights reserved.
3 //
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file or at
6 // https://developers.google.com/open-source/licenses/bsd
7
8 use googletest::description::Description;
9 use googletest::matcher::{Matcher, MatcherBase, MatcherResult};
10 use protobuf::__internal::MatcherEq;
11
12 #[derive(MatcherBase)]
13 pub struct MessageMatcher<T: MatcherEq> {
14 expected: T,
15 }
16
17 impl<T> Matcher<&T> for MessageMatcher<T>
18 where
19 T: MatcherEq,
20 {
matches(&self, actual: &T) -> MatcherResult21 fn matches(&self, actual: &T) -> MatcherResult {
22 actual.matches(&self.expected).into()
23 }
24
describe(&self, matcher_result: MatcherResult) -> Description25 fn describe(&self, matcher_result: MatcherResult) -> Description {
26 match matcher_result {
27 MatcherResult::Match => format!("is equal to {:?}", self.expected).into(),
28 MatcherResult::NoMatch => format!("is not equal to {:?}", self.expected).into(),
29 }
30 }
31 }
32
proto_eq<T: MatcherEq>(expected: T) -> MessageMatcher<T>33 pub fn proto_eq<T: MatcherEq>(expected: T) -> MessageMatcher<T> {
34 MessageMatcher { expected }
35 }
36