chore: set up matrix strategy for CI

.github/actions/set_up_macos/action.yml

@@ -0,0 +1,27 @@
+name: Set Up macOS Runner
+description: Prepare macOS runner to execute tests.
+
+inputs:
+  repo_name:
+    description: The name of the GitHub repo.
+    required: true
+  xcode_version:
+    description: The version of Xcode to use.
+    default: '14.0.1'
+
+runs:
+  using: composite
+  steps:
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: ${{ inputs.xcode_version }}
+    - name: Confirm Xcode Version
+      shell: bash
+      run: |
+        # Print used xCode version
+        xcode-select -print-path
+        xcodebuild -version
+    - uses: cgrindel/gha_set_up_bazel@v1
+      with:
+        repo_name: ${{ inputs.repo_name }}
+

.github/actions/test_example/action.yml

@@ -0,0 +1,19 @@
+name: Test Examples 
+description: Execute an example integration test.
+
+inputs:
+  example_name:
+    description: The name of the example.
+    required: true
+  bazel_version:
+    description: The Bazel version suffix (e.g. semver or .bazelversion)
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Execute Integration Test
+      shell: bash
+      run: |
+        bazelisk test //examples:${{ inputs.example_name }}_test_bazel_${{ inputs.bazel_version }}
+

.github/workflows/ci.yml

@@ -9,23 +9,68 @@ on:
 
 jobs:
 
-  macos_build:
+  macos_tidy_and_test:
     runs-on: macos-12
     steps:
-    - uses: maxim-lobanov/setup-xcode@v1
+    - uses: actions/checkout@v3
+    - uses: ./.github/actions/set_up_macos
       with:
-        xcode-version: '14.0.1'
-    - name: Confirm Xcode Version
+        xcode_version: '14.0.1'
+        repo_name: swift_bazel
+    - name: Ensure everything is tidy
       shell: bash
       run: |
-        # Print used xCode version
-        xcode-select -print-path
-        xcodebuild -version
+        bazelisk run //:tidy_check
+    - name: Execute Tests
+      shell: bash
+      run: |
+        bazelisk test //... 
+
+
+  macos_single_bazel_ver_int_test_matrix:
+    strategy:
+      matrix:
+        example: 
+        - "firebase_example"
+        - "interesting_deps"
+        - "ios_sim"
+        - "objc_code"
+        - "phone_number_kit"
+        - "xcmetrics_example"
+        bazel_version:
+        - ".bazelversion"
+    runs-on: macos-12
+    steps:
     - uses: actions/checkout@v3
-    - uses: cgrindel/gha_set_up_bazel@v1
+    - uses: ./.github/actions/set_up_macos
       with:
+        xcode_version: '14.0.1'
         repo_name: swift_bazel
-    - uses: ./.github/actions/build_and_test
+    - uses: ./.github/actions/test_example
+      with:
+        example_name: ${{ matrix.example }}
+        bazel_version: ${{ matrix.bazel_version }}
+
+  macos_multi_bazel_ver_int_test_matrix:
+    strategy:
+      matrix:
+        example: 
+        - "http_archive_ext_deps"
+        - "pkg_manifest_minimal"
+        bazel_version:
+        - ".bazelversion"
+        - "5_4_0"
+    runs-on: macos-12
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ./.github/actions/set_up_macos
+      with:
+        xcode_version: '14.0.1'
+        repo_name: swift_bazel
+    - uses: ./.github/actions/test_example
+      with:
+        example_name: ${{ matrix.example }}
+        bazel_version: ${{ matrix.bazel_version }}
 
   ubuntu_build:
     runs-on: ubuntu-22.04
@@ -57,7 +102,11 @@ jobs:
 
   all_ci_tests:
     runs-on: ubuntu-20.04
-    needs: [macos_build, ubuntu_build]
+    needs: 
+    - macos_tidy_and_test
+    - macos_single_bazel_ver_int_test_matrix
+    - macos_multi_bazel_ver_int_test_matrix
+    - ubuntu_build
     if: ${{ always() }}
     steps:
       - uses: cgrindel/gha_join_jobs@v1