Exports code coverage

.github/workflows/build.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   formatlint:
-    name: Lint for correct formatting
+    name: Format linting
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -24,41 +24,63 @@ jobs:
         run: docker run --rm -v ${{ github.workspace }}:/repo ghcr.io/nicklockwood/swiftformat:latest /repo --lint
 
   macos:
-    name: Build and test on macos-latest
+    name: Test on macOS
     runs-on: macos-latest
     steps:
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: latest
+    - uses: actions/checkout@v3
+    - name: Build and test
+      run: swift test --parallel --enable-test-discovery
+
+  linux:
+    name: Test on Linux
+    runs-on: ubuntu-latest
+    steps:
     - uses: swift-actions/setup-swift@v1
     - uses: actions/checkout@v3
     - name: Test
-      run: swift test
+      run: swift test --parallel --enable-code-coverage
+    - name: Get test coverage html
+      run: |
+        llvm-cov show \
+          $(swift build --show-bin-path)/GraphQLPackageTests.xctest \
+          --instr-profile $(swift build --show-bin-path)/codecov/default.profdata \
+          --ignore-filename-regex="\.build|Tests" \
+          --format html \
+          --output-dir=.test-coverage
+    - name: Upload test coverage html
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-coverage-report
+        path: .test-coverage
 
-  # ubuntu-latest is ubuntu-22.04 currently. Swift versions older than 5.7 don't have builds for 22.04. https://www.swift.org/download/ 
-  ubuntu-old:
-    name: Build ${{ matrix.swift }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
+  backcompat-ubuntu-22_04:
+    name: Test Swift ${{ matrix.swift }} on Ubuntu 22.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        os: [ubuntu-20.04] 
-        swift: ["5.5", "5.6"]
+        swift: ["5.7", "5.8"]
     steps:
     - uses: swift-actions/setup-swift@v1
       with:
         swift-version: ${{ matrix.swift }}
     - uses: actions/checkout@v3
     - name: Test
-      run: swift test
+      run: swift test --parallel
 
-  ubuntu-latest:
-    name: Build ${{ matrix.swift }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
+  # Swift versions older than 5.7 don't have builds for 22.04. https://www.swift.org/download/ 
+  backcompat-ubuntu-20_04:
+    name: Test Swift ${{ matrix.swift }} on Ubuntu 20.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
-        os: [ubuntu-latest] 
-        swift: ["5.7", "5.8", "5.9"]
+        swift: ["5.5", "5.6"]
     steps:
     - uses: swift-actions/setup-swift@v1
       with:
         swift-version: ${{ matrix.swift }}
     - uses: actions/checkout@v3
     - name: Test
-      run: swift test
+      run: swift test --parallel

.gitignore

@@ -3,3 +3,6 @@
 ### SwiftPM ###
 .build/
 .swiftpm/
+
+### CI Artifacts ###
+/.test-coverage