github: add code coverage script

.github/workflows/c-cpp.yml

@@ -13,7 +13,6 @@ jobs:
       matrix:
         os: [ubuntu-latest]
     env:
-      build-folder: build
       OS: ${{ matrix.os }}
       # PYTHON: '3.10'
     steps:
@@ -22,24 +21,27 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install -y autopoint meson ninja-build gettext libunwind-dev libefl-all-dev libeet1 libeet-bin
-        sudo apt-get install -y check
-    - name: Setup python
-      uses: actions/setup-python@master
+        sudo apt-get install -y check lcov
+    # - name: Setup python
+    #   uses: actions/setup-python@master
       # with:
       #   python-version: 3.10
-    - name: Install coverage
-      run: | 
-        pip install coverage -i ${{ env.build-folder }}
-        export PATH=~/.local/bin:"$PATH"
+    # - name: Install coverage
+    #   run: | 
+    #     pip install coverage
+    #     export PATH=~/.local/bin:"$PATH"
     - name: Setup project (meson)
       run: meson setup . build -Db_coverage=true -Dbuild-tests=true
     - name: Build project (ninja)
       run: ninja -C build
     - name: Run tests (ninja)
       run: ninja -C build test
     - name: Generate coverage report
-      run: ninja -C build coverage
+      run: ./scripts/generate_coverage_report.sh
     - name: Upload to Codecov
       uses: codecov/[email protected]
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        directory: ./build/meson-logs/
+        files: ./coverage.xml
+        verbose: true

scripts/generate_coverage_report.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+from lxml import html
+
+proj_root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+print("Project root:", proj_root)
+
+print("Generating coverage report...")
+subprocess.call(["ninja", "-C", "build", "-j", "1", "clean"])
+subprocess.call(["ninja", "-C", "build", "-j", "1", "test"])
+
+# Run lcov
+outfiles = []
+build_root = os.path.join(proj_root, 'build')
+log_dir = os.path.join(build_root, 'meson-logs')
+source_root = os.path.join(proj_root, 'src')
+subproject_root = os.path.join(proj_root, 'subprojects')
+lcov_exe = 'lcov'
+genhtml_exe = 'genhtml'
+htmloutdir = os.path.join(log_dir, 'coveragereport')
+html_index = os.path.join(htmloutdir, 'index.html')
+covinfo = os.path.join(log_dir, 'coverage.info')
+initial_tracefile = covinfo + '.initial'
+run_tracefile = covinfo + '.run'
+raw_tracefile = covinfo + '.raw'
+subprocess.check_call([lcov_exe,
+                        '--directory', build_root,
+                        '--capture',
+                        '--initial',
+                        '--output-file',
+                        initial_tracefile])
+subprocess.check_call([lcov_exe,
+                        '--directory', build_root,
+                        '--capture',
+                        '--output-file', run_tracefile,
+                        '--no-checksum',
+                        '--rc', 'lcov_branch_coverage=1',
+                        ])
+# Join initial and test results.
+subprocess.check_call([lcov_exe,
+                        '-a', initial_tracefile,
+                        '-a', run_tracefile,
+                        '--rc', 'lcov_branch_coverage=1',
+                        '-o', raw_tracefile])
+# Remove all directories outside the source_root from the covinfo
+subprocess.check_call([lcov_exe,
+                        '--extract', raw_tracefile,
+                        os.path.join(source_root, '*'),
+                        '--rc', 'lcov_branch_coverage=1',
+                        '--output-file', covinfo])
+# Remove all directories inside subproject dir
+subprocess.check_call([lcov_exe,
+                        '--remove', covinfo,
+                        os.path.join(subproject_root, '*'),
+                        '--rc', 'lcov_branch_coverage=1',
+                        '--output-file', covinfo])
+subprocess.check_call([genhtml_exe,
+                        '--prefix', build_root,
+                        '--prefix', source_root,
+                        '--output-directory', htmloutdir,
+                        '--title', 'Code coverage',
+                        '--legend',
+                        '--show-details',
+                        '--branch-coverage',
+                        covinfo])
+
+outfiles.append(('Html', html_index))
+
+if outfiles:
+        print('')
+        for (filetype, path) in outfiles:
+            print(filetype + ' coverage report can be found at', path)
+