[tango]: Add integration testing

.github/workflows/ci.yml

@@ -55,6 +55,28 @@ jobs:
           echo "=== Test logs ==="
           find . -name "test.log" -exec echo "--- {} ---" \; -exec cat {} \; || echo "No test logs found"
 
+  integration:
+    name: Integration Tests
+    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.draft == false }}
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+
+      - name: Run integration tests
+        run: make test-integration
+
+      - name: Display test logs on failure
+        if: failure()
+        run: |
+          echo "=== Integration test logs ==="
+          find . -name "test.log" -exec echo "--- {} ---" \; -exec cat {} \; || echo "No test logs found"
+
   dependencies:
     name: Dependencies
     if: ${{ github.event_name != 'pull_request' || github.event.pull_request.draft == false }}

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build test proto gazelle clean clean-proto run-server run-client-get-graph run-client-changed-targets help
+.PHONY: build test test-integration proto gazelle clean clean-proto run-server run-client-get-graph run-client-changed-targets help
 
 # Bazel wrapper
 BAZEL = ./tools/bazel
@@ -15,6 +15,12 @@ test:
 	@$(BAZEL) test //...
 	@echo "All tests passed!"
 
+# Run integration tests (requires bazel; may take several minutes)
+test-integration:
+	@echo "Running integration tests..."
+	@$(BAZEL) test //integration:integration_test --test_output=errors --test_env=TANGO_REPO_REMOTE=$$(git rev-parse --show-toplevel)
+	@echo "Integration tests passed!"
+
 # Generate protobuf files using protoc
 proto:
 	@echo "Generating protobuf files with protoc..."
@@ -81,10 +87,11 @@ help:
 	@echo "Available targets:"
 	@echo ""
 	@echo "Build & Test:"
-	@echo "  make build         - Build all targets"
-	@echo "  make test          - Run all tests"
-	@echo "  make gazelle       - Update BUILD.bazel files"
-	@echo "  make clean         - Clean generated files and binaries"
+	@echo "  make build            - Build all targets"
+	@echo "  make test             - Run all tests"
+	@echo "  make test-integration - Run integration tests (slow)"
+	@echo "  make gazelle          - Update BUILD.bazel files"
+	@echo "  make clean            - Clean generated files and binaries"
 	@echo ""
 	@echo "Protobuf:"
 	@echo "  make proto         - Generate protobuf files (gogoslick, grpc, yarpc)"
@@ -117,4 +124,4 @@ help:
 	@echo "  # Run get-changed-targets via the Tango client"
 	@echo "  make run-client-changed-targets REMOTE=org/repo BASE_SHA=abc123 NEW_BASE_SHA=abc123~"
 	@echo "  # Opt into per-target fields (default false per proto3)"
-	@echo "  make run-client-changed-targets REMOTE=org/repo BASE_SHA=abc123 NEW_BASE_SHA=abc123~ INCLUDE_TAGS=true INCLUDE_HASHES=true INCLUDE_ATTRIBUTES=true"
+	@echo "  make run-client-changed-targets REMOTE=org/repo BASE_SHA=abc123 NEW_BASE_SHA=abc123~ INCLUDE_TAGS=true INCLUDE_HASHES=true INCLUDE_ATTRIBUTES=true"

integration/BUILD.bazel

@@ -0,0 +1,26 @@
+load("@rules_go//go:def.bzl", "go_test")
+
+go_test(
+    name = "integration_test",
+    size = "large",
+    timeout = "long",
+    srcs = ["integration_test.go"],
+    tags = [
+        "integration",
+        "manual",
+    ],
+    deps = [
+        "//controller",
+        "//core/git",
+        "//core/repomanager",
+        "//core/storage",
+        "//orchestrator",
+        "//tangopb",
+        "@com_github_stretchr_testify//assert",
+        "@com_github_stretchr_testify//require",
+        "@org_uber_go_yarpc//:yarpc",
+        "@org_uber_go_yarpc//api/transport",
+        "@org_uber_go_yarpc//transport/grpc",
+        "@org_uber_go_zap//zaptest",
+    ],
+)