ci: execute integration tests with Bazel, where possible

Co-authored-by: malt3 <malt3@users.noreply.github.com>

.bazelrc

@@ -27,6 +27,13 @@ build --flag_alias=container_prefix=//bazel/settings:container_prefix
 # set cli edition flag alias
 build --flag_alias=cli_edition=//bazel/settings:cli_edition
 
+# disable integration tests by default
+test --test_tag_filters=-integration
+# enable all tests (including integration)
+test:integration --test_tag_filters= --@io_bazel_rules_go//go/config:tags=integration
+# enable only integration tests
+test:integration-only --test_tag_filters=+integration --@io_bazel_rules_go//go/config:tags=integration
+
 # bazel configs to explicitly target a platform
 common:host --platforms @local_config_platform//:host
 common:linux_amd64 --platforms @zig_sdk//libc_aware/platform:linux_amd64_gnu.2.23

.github/workflows/test-integration.yml

@@ -42,6 +42,17 @@ jobs:
         run: mkdir build && cd build && cmake ..
 
       # Runs all test targets starting with "integration-"
-      - name: Integration Tests
+      - name: CMake-based Integration Tests
         working-directory: build
         run: ctest -R integration-
+
+      - name: Setup bazel
+        uses: ./.github/actions/setup_bazel_nix
+        with:
+          useCache: "true"
+          buildBuddyApiKey: ${{ secrets.BUILDBUDDY_ORG_API_KEY }}
+
+      - name: Integration Tests
+        env:
+          TMPDIR: ${{ runner.temp }}
+        run: bazel test //... --test_output=errors --config=nostamp --config=integration-only --remote_download_minimal