Fix e2e tests. Ensure CI runs them

Author: vikin91

.github/workflows/ci.yml

@@ -37,15 +37,32 @@ jobs:
             exit 1
           fi
 
-      - name: Run tests
-        run: go test -v -race -coverprofile=coverage.out ./...
+      - name: Run unit tests
+        run: go test -v -race -coverprofile=coverage.out ./internal/...
 
       - name: Upload coverage
         uses: codecov/codecov-action@v4
         with:
           files: coverage.out
           fail_ci_if_error: false
 
+  e2e:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Build binary
+        run: go build -o bin/metrics-analyzer ./cmd/metrics-analyzer
+
+      - name: Run E2E tests
+        run: go test -v ./cmd/...
+
   validate-rules:
     runs-on: ubuntu-latest
     needs: build

cmd/metrics-analyzer/main_test.go

@@ -28,6 +28,7 @@ func TestE2EAnalyzeCommand(t *testing.T) {
 				"analyze",
 				"--rules", "../../testdata/fixtures",
 				"--format", "markdown",
+				"--template", "../../templates/markdown.tmpl",
 				"--output", "/tmp/test_e2e_report.md",
 				"../../testdata/fixtures/sample_metrics.txt",
 			},
@@ -209,9 +210,12 @@ func TestE2EFullWorkflow(t *testing.T) {
 	metricsPath := filepath.Join("..", "..", "testdata", "fixtures", "sample_metrics.txt")
 	rulesPath := filepath.Join("..", "..", "testdata", "fixtures")
 
+	templatePath := filepath.Join("..", "..", "templates", "markdown.tmpl")
+
 	cmd := exec.Command(absPath, "analyze",
 		"--rules", rulesPath,
 		"--format", "markdown",
+		"--template", templatePath,
 		"--output", "/tmp/e2e_test_report.md",
 		metricsPath,
 	)