build(rust): vendor googletest crate

third_party/crates/googletest-0.14.3/tests/all_matcher_test.rs

@@ -0,0 +1,155 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use googletest::prelude::*;
+use googletest::Result;
+use indoc::indoc;
+
+#[test]
+fn matches_any_value_when_list_is_empty() -> Result<()> {
+    verify_that!((), all!())
+}
+
+#[test]
+fn matches_value_with_single_matching_component() -> Result<()> {
+    verify_that!(123, all!(eq(123)))
+}
+
+#[test]
+fn does_not_match_value_with_single_non_matching_component() -> Result<()> {
+    verify_that!(123, not(all!(eq(456))))
+}
+
+#[test]
+fn matches_value_with_two_matching_components() -> Result<()> {
+    verify_that!("A string", all!(starts_with("A"), ends_with("string")))
+}
+
+#[test]
+fn does_not_match_value_with_one_non_matching_component_among_two_components() -> Result<()> {
+    verify_that!(123, not(all!(eq(123), eq(456))))
+}
+
+#[test]
+fn supports_trailing_comma() -> Result<()> {
+    verify_that!(
+        "An important string",
+        all!(starts_with("An"), contains_substring("important"), ends_with("string"),)
+    )
+}
+
+#[test]
+fn admits_matchers_without_static_lifetime() -> Result<()> {
+    #[derive(Debug, PartialEq)]
+    struct AStruct(i32);
+    let expected_value = AStruct(123);
+    verify_that!(AStruct(123), all![eq(&expected_value)])
+}
+
+#[test]
+fn mismatch_description_two_failed_matchers() -> Result<()> {
+    verify_that!(
+        all!(starts_with("One"), starts_with("Two")).explain_match("Three"),
+        displays_as(eq("* which does not start with \"One\"\n* which does not start with \"Two\""))
+    )
+}
+
+#[test]
+fn mismatch_description_empty_matcher() -> Result<()> {
+    verify_that!(all!().explain_match("Three"), displays_as(eq("which is anything")))
+}
+
+#[test]
+fn all_multiple_failed_assertions() -> Result<()> {
+    let result = verify_that!(4, all![eq(1), eq(2), eq(3)]);
+    verify_that!(
+        result,
+        err(displays_as(contains_substring(indoc!(
+            "
+            Value of: 4
+            Expected: has all the following properties:
+              * is equal to 1
+              * is equal to 2
+              * is equal to 3
+            Actual: 4,
+              * which isn't equal to 1
+              * which isn't equal to 2
+              * which isn't equal to 3"
+        ))))
+    )
+}
+
+#[test]
+fn formats_error_message_correctly_when_all_is_inside_some() -> Result<()> {
+    let value = Some(4);
+    let result = verify_that!(value, some(all![eq(1), eq(2), eq(3)]));
+    verify_that!(
+        result,
+        err(displays_as(contains_substring(indoc!(
+            "
+            Value of: value
+            Expected: has a value which has all the following properties:
+              * is equal to 1
+              * is equal to 2
+              * is equal to 3
+            Actual: Some(4),
+              which has a value
+                * which isn't equal to 1
+                * which isn't equal to 2
+                * which isn't equal to 3"
+        ))))
+    )
+}
+
+#[test]
+fn formats_error_message_correctly_when_all_is_inside_ok() -> Result<()> {
+    let value: std::result::Result<i32, std::io::Error> = Ok(4);
+    let result = verify_that!(value, ok(all![eq(&1), eq(&2), eq(&3)]));
+    verify_that!(
+        result,
+        err(displays_as(contains_substring(indoc!(
+            "
+            Value of: value
+            Expected: is a success containing a value, which has all the following properties:
+              * is equal to 1
+              * is equal to 2
+              * is equal to 3
+            Actual: Ok(4),
+              which is a success
+                * which isn't equal to 1
+                * which isn't equal to 2
+                * which isn't equal to 3"
+        ))))
+    )
+}
+
+#[test]
+fn formats_error_message_correctly_when_all_is_inside_err() -> Result<()> {
+    let value: std::result::Result<(), &'static str> = Err("An error");
+    let result = verify_that!(value, err(all![starts_with("Not"), ends_with("problem")]));
+    verify_that!(
+        result,
+        err(displays_as(contains_substring(indoc!(
+            r#"
+            Value of: value
+            Expected: is an error which has all the following properties:
+              * starts with prefix "Not"
+              * ends with suffix "problem"
+            Actual: Err("An error"),
+              which is an error
+                * which does not start with "Not"
+                * which does not end with "problem""#
+        ))))
+    )
+}