add tests for extract_perf_shas

Some real-world examples in the 2 different formats

Author: lqd

src/main.rs

@@ -1355,4 +1355,74 @@ mod tests {
             validate_dir(main).unwrap_err()
         )
     }
+
+    // Ensure the first version of the comment posted by the perf-bot works
+    #[test]
+    fn test_perf_builds_v1_format() {
+        // Body extracted from this v1 comment
+        // https://github.com/rust-lang/rust/pull/113014#issuecomment-1605868471
+        let body = "📌 Perf builds for each rolled up PR:
+
+|PR# | Perf Build Sha|
+|----|:-----:|
+|#113009|[05b07dad146a6d43ead9bcd1e8bc10cbd017a5f5](https://github.com/rust-lang-ci/rust/commit/05b07dad146a6d43ead9bcd1e8bc10cbd017a5f5)|
+|#113008|[581913b6789370def5158093b799baa6d4d875eb](https://github.com/rust-lang-ci/rust/commit/581913b6789370def5158093b799baa6d4d875eb)|
+|#112956|[e294bd3827eb2e878167329648f3c8178ef344e7](https://github.com/rust-lang-ci/rust/commit/e294bd3827eb2e878167329648f3c8178ef344e7)|
+|#112950|[0ed6ba504649ca1cb2672572b4ab41acfb06c86c](https://github.com/rust-lang-ci/rust/commit/0ed6ba504649ca1cb2672572b4ab41acfb06c86c)|
+|#112937|[18e108ab85b78e6966c5b5bdadfd5b8efeadf080](https://github.com/rust-lang-ci/rust/commit/18e108ab85b78e6966c5b5bdadfd5b8efeadf080)|
+
+
+*previous master*: [f7ca9df695](https://github.com/rust-lang-ci/rust/commit/f7ca9df69549470541fbf542f87a03eb9ed024b6)
+
+In the case of a perf regression, run the following command for each PR you suspect might be the cause: `@rust-timer build $SHA`
+<!-- rust-timer: rollup -->";
+        assert_eq!(
+            vec![
+                "05b07dad146a6d43ead9bcd1e8bc10cbd017a5f5",
+                "581913b6789370def5158093b799baa6d4d875eb",
+                "e294bd3827eb2e878167329648f3c8178ef344e7",
+                "0ed6ba504649ca1cb2672572b4ab41acfb06c86c",
+                "18e108ab85b78e6966c5b5bdadfd5b8efeadf080",
+            ],
+            extract_perf_shas(body).expect("extracting perf builds on v1 format failed"),
+        );
+    }
+
+    // Ensure the second version of the comment posted by the perf-bot works
+    #[test]
+    fn test_perf_builds_v2_format() {
+        // Body extracted from this v2 comment
+        // https://github.com/rust-lang/rust/pull/113105#issuecomment-1610393473
+        let body = "📌 Perf builds for each rolled up PR:
+
+| PR# | Message | Perf Build Sha |
+|----|----|:-----:|
+|#112207|Add trustzone and virtualization target features for aarch3…|`bbec6d6e413aa144c8b9346da27a0f2af299cbeb` ([link](https://github.com/rust-lang-ci/rust/commit/bbec6d6e413aa144c8b9346da27a0f2af299cbeb))|
+|#112454|Make compiletest aware of targets without dynamic linking|`70b67c09ead52f4582471650202b1a189821ed5f` ([link](https://github.com/rust-lang-ci/rust/commit/70b67c09ead52f4582471650202b1a189821ed5f))|
+|#112628|Allow comparing `Box`es with different allocators|`3043f4e577f41565443f38a6a16b7a1a08b063ad` ([link](https://github.com/rust-lang-ci/rust/commit/3043f4e577f41565443f38a6a16b7a1a08b063ad))|
+|#112692|Provide more context for `rustc +nightly -Zunstable-options…|`4ab6f33fd50237b105999cc6d32d85cce5dad61a` ([link](https://github.com/rust-lang-ci/rust/commit/4ab6f33fd50237b105999cc6d32d85cce5dad61a))|
+|#112972|Make `UnwindAction::Continue` explicit in MIR dump|`e1df9e306054655d7d41ec1ad75ade5d76a6888d` ([link](https://github.com/rust-lang-ci/rust/commit/e1df9e306054655d7d41ec1ad75ade5d76a6888d))|
+|#113020|Add tests impl via obj unless denied|`affe009b94eba41777cf02997b1780e50445d6af` ([link](https://github.com/rust-lang-ci/rust/commit/affe009b94eba41777cf02997b1780e50445d6af))|
+|#113084|Simplify some conditions|`0ce4618dbf5810aabb389edd4950c060b6b4d049` ([link](https://github.com/rust-lang-ci/rust/commit/0ce4618dbf5810aabb389edd4950c060b6b4d049))|
+|#113103|Normalize types when applying uninhabited predicate.|`241cd8cd818cdc865cdf02f0c32a40081420b772` ([link](https://github.com/rust-lang-ci/rust/commit/241cd8cd818cdc865cdf02f0c32a40081420b772))|
+
+
+*previous master*: [5ea6668646](https://github.com/rust-lang-ci/rust/commit/5ea66686467d3ec5f8c81570e7f0f16ad8dd8cc3)
+
+In the case of a perf regression, run the following command for each PR you suspect might be the cause: `@rust-timer build $SHA`
+<!-- rust-timer: rollup -->";
+        assert_eq!(
+            vec![
+                "bbec6d6e413aa144c8b9346da27a0f2af299cbeb",
+                "70b67c09ead52f4582471650202b1a189821ed5f",
+                "3043f4e577f41565443f38a6a16b7a1a08b063ad",
+                "4ab6f33fd50237b105999cc6d32d85cce5dad61a",
+                "e1df9e306054655d7d41ec1ad75ade5d76a6888d",
+                "affe009b94eba41777cf02997b1780e50445d6af",
+                "0ce4618dbf5810aabb389edd4950c060b6b4d049",
+                "241cd8cd818cdc865cdf02f0c32a40081420b772",
+            ],
+            extract_perf_shas(body).expect("extracting perf builds on v2 format failed"),
+        );
+    }
 }