Fix code coverage measurements tasks to avoid overwriting the same fi…

…le with profiling data. The different executables called by cargo test were fighting and replacing their recorded coverage data. See also rust-lang/rust#79899 for details. Also added tasks to delete any existing coverage data and reports to avoid conflicts with existing files.
cry-inc · Oct 16, 2023 · 0da9e9b · 0da9e9b
1 parent fd72ea3
commit 0da9e9b
Showing 1 changed file with 26 additions and 7 deletions.
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
@@ -68,6 +68,25 @@
             ],
             "problemMatcher": []
         },
+        {
+            "label": "Clean Coverage Data",
+            "type": "shell",
+            "command": "rm",
+            "args": [
+                "*.profraw"
+            ],
+            "problemMatcher": []
+        },
+        {
+            "label": "Clean Coverage Report",
+            "type": "shell",
+            "command": "rm",
+            "args": [
+                "target/coverage_*",
+                "-R"
+            ],
+            "problemMatcher": []
+        },
         {
             "label": "Measure Coverage",
             "command": "cargo",
@@ -79,7 +98,7 @@
                 "env": {
                     "CARGO_INCREMENTAL": "0",
                     "RUSTFLAGS": "-Cinstrument-coverage",
-                    "LLVM_PROFILE_FILE": "coverage.profraw"
+                    "LLVM_PROFILE_FILE": "%m.profraw"
                 }
             },
             "problemMatcher": [
@@ -90,17 +109,15 @@
             "label": "Export Coverage",
             "command": "grcov",
             "args": [
-                "coverage.profraw",
+                ".",
                 "--binary-path",
-                "target/debug/deps/",
+                "target/debug",
                 "--source-dir",
-                ".",
+                "src",
                 "--output-type",
                 "html",
                 "--output-path",
-                "target/coverage_html",
-                "--keep-only",
-                "src/**/*"
+                "target/coverage_html"
             ],
             "problemMatcher": []
         },
@@ -114,6 +131,8 @@
             "label": "Code Coverage",
             "dependsOrder": "sequence",
             "dependsOn": [
+                "Clean Coverage Data",
+                "Clean Coverage Report",
                 "Measure Coverage",
                 "Export Coverage",
                 "Show Coverage"