Fix Coverage (#147)

* add mkdir command for coverage directory

* fix generating lcov.info

* debug in coverage directory

* update script

* add concurrency=1 to fix tests

* update merging coverages of packages

* use melos script

* update melos file

* fix uploaded percentage in codecov

* fix unit_test_and_coverage command

* update scripts

* update melos comand

* extract generated files from coverage

* extract generated directories from melos.yaml coverage

* fix indentation

Author: AlaaElattar

.github/workflows/coverage.yaml

@@ -43,23 +43,20 @@ jobs:
             sleep 5
           done
 
-      - name: Run unit tests and generate coverage
+      - name: Run tests and generate coverage with Melos
         run: |
-          melos exec rm -rf coverage
-          melos run unit_test
-
-      - name: Create coverage directory
-        run: mkdir -p coverage
-
-      - name: Calculate and merge coverage
-        if: success()
-        run: |
-          melos exec --dir-exists="coverage" -- bash -c 'dart pub global run coverde filter --input coverage/lcov.info --output coverage/filtered.lcov.info --filters .g.dart'
-          melos exec --dir-exists="coverage" -- bash -c 'dart pub global run coverde value -i coverage/filtered.lcov.info > coverage/result.txt'
+          dart pub global activate coverage
+          dart pub global activate coverde
+          melos run unit_test_and_coverage
+    
+      - name: Debug Coverage Directory
+        run: ls -lh coverage && head -n 20 coverage/lcov.info || true
 
       - name: Upload coverage to Codecov
         if: success()
         uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          files: coverage/filtered.lcov.info
+          files: ./coverage/filtered.lcov.info
+          fail_ci_if_error: true
+

melos.yaml

@@ -10,9 +10,29 @@ scripts:
     run: melos exec --dir-exists="test" --fail-fast -- dart test --concurrency=1
     description: Run all Dart tests in this project sequentially.
   unit_test_and_coverage:
-    description: Merge all packages coverage trace files ignoring data related to generated files.
+    description: Merge all packages coverage trace files and filter out generated code and generated folders.
     run: |
-      melos exec rm -rf coverage
-      melos run unit_test
-      melos exec -c 1 --file-exists=coverage/lcov.info -- coverde filter --input ./coverage/lcov.info --output MELOS_ROOT_PATH/coverage/filtered.lcov.info --filters \.g\.dart
-      coverde value -i coverage/filtered.lcov.info > MELOS_ROOT_PATH/coverage/result.txt
+      mkdir -p coverage
+      melos exec --dir-exists="test" -- dart test --coverage=coverage --concurrency=1
+      # Collect all raw .json files from package coverage folders
+      find . -name "*.json" -path "*/coverage/*.json" -exec cp {} coverage/ \;
+      # Convert to LCOV format
+      dart pub global run coverage:format_coverage \
+        --lcov \
+        --in=coverage \
+        --out=coverage/lcov.info
+      # Filter out generated files
+      dart pub global run coverde filter \
+        --input coverage/lcov.info \
+        --output coverage/filtered.lcov.info \
+        --filters '.g.dart,lib/generated/' \
+        --paths-parent $PWD
+      # Print summary report
+      dart pub global run coverde value \
+        -i coverage/filtered.lcov.info \
+        > coverage/result.txt
+
+
+
+
+