test(integration): add retry mecanism

Makefile

@@ -127,6 +127,9 @@ NO_CONCURRENCY=false
 # chromium-convert-html
 # chromium-convert-markdown
 # chromium-convert-url
+# chromium-screenshot-html
+# chromium-screenshot-markdown
+# chromium-screenshot-url
 # debug
 # health
 # libreoffice
@@ -162,7 +165,7 @@ NO_CONCURRENCY=false
 TAGS=
 
 .PHONY: test-integration
-test-integration: ## Run integration tests
+test-integration: ## Run integration tests (automatically retries failed scenarios up to 3 times)
 	go test -timeout 40m -tags=integration -v github.com/gotenberg/gotenberg/v8/test/integration -args \
 	--gotenberg-docker-repository=$(DOCKER_REPOSITORY) \
 	--gotenberg-version=$(GOTENBERG_VERSION) \

test/integration/main_test.go

@@ -3,6 +3,7 @@
 package integration
 
 import (
+	"fmt"
 	"os"
 	"runtime"
 	"testing"
@@ -40,17 +41,42 @@ func TestMain(m *testing.M) {
 		concurrency = 0
 	}
 
-	code := godog.TestSuite{
+	maxAttempts := 4 // 1 initial run + up to 3 retries
-		Name:                "integration",
+	paths := []string{"features"}
-		ScenarioInitializer: scenario.InitializeScenario,
-		Options: &godog.Options{
-			Format:      "pretty",
-			Paths:       []string{"features"},
-			Output:      colors.Colored(os.Stdout),
-			Concurrency: concurrency,
-			Tags:        *tags,
-		},
-	}.Run()
 
-	os.Exit(code)
+	for attempt := 1; attempt <= maxAttempts; attempt++ {
+		// Reset the failure collector before each run.
+		scenario.ResetFailedScenarios()
+
+		code := godog.TestSuite{
+			Name:                "integration",
+			ScenarioInitializer: scenario.InitializeScenario,
+			Options: &godog.Options{
+				Format:      "pretty",
+				Paths:       paths,
+				Output:      colors.Colored(os.Stdout),
+				Concurrency: concurrency,
+				Tags:        *tags,
+			},
+		}.Run()
+
+		if code == 0 {
+			os.Exit(0)
+		}
+
+		failedPaths := scenario.FailedScenarioPaths()
+		if len(failedPaths) == 0 || attempt == maxAttempts {
+			os.Exit(code)
+		}
+
+		fmt.Fprintf(colors.Colored(os.Stdout),
+			"\n\n--- %d scenario(s) failed, retrying (%d retries left) ---\n\n",
+			len(failedPaths), maxAttempts-attempt,
+		)
+
+		// Next run: only the failed scenarios via file:line paths.
+		paths = failedPaths
+	}
+
+	os.Exit(1)
 }

test/integration/scenario/scenario.go

@@ -23,6 +23,66 @@ import (
 	"github.com/testcontainers/testcontainers-go"
 )
 
+var (
+	failedScenariosMu sync.Mutex
+	failedScenarios   []string // file:line paths for re-run
+)
+
+// ResetFailedScenarios clears the collected failures.
+func ResetFailedScenarios() {
+	failedScenariosMu.Lock()
+	defer failedScenariosMu.Unlock()
+	failedScenarios = nil
+}
+
+// FailedScenarioPaths returns file:line paths of failed scenarios.
+func FailedScenarioPaths() []string {
+	failedScenariosMu.Lock()
+	defer failedScenariosMu.Unlock()
+	result := make([]string, len(failedScenarios))
+	copy(result, failedScenarios)
+	return result
+}
+
+func recordFailedScenario(sc *godog.Scenario) {
+	// When godog runs with file:line paths, the Uri may contain
+	// the line suffix (e.g., "features/root.feature:4"). Strip it
+	// to get the actual file path for reading.
+	filePath := sc.Uri
+	if idx := strings.LastIndex(filePath, ":"); idx > 0 {
+		if _, err := strconv.Atoi(filePath[idx+1:]); err == nil {
+			filePath = filePath[:idx]
+		}
+	}
+
+	line := findScenarioLine(filePath, sc.Name)
+	if line <= 0 {
+		return
+	}
+
+	path := fmt.Sprintf("%s:%d", filePath, line)
+
+	failedScenariosMu.Lock()
+	defer failedScenariosMu.Unlock()
+	failedScenarios = append(failedScenarios, path)
+}
+
+func findScenarioLine(filePath, name string) int {
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return 0
+	}
+
+	target := "Scenario: " + name
+	for i, line := range strings.Split(string(data), "\n") {
+		if strings.TrimSpace(line) == target {
+			return i + 1
+		}
+	}
+
+	return 0
+}
+
 type scenario struct {
 	resp                      *httptest.ResponseRecorder
 	concurrentResps           []*httptest.ResponseRecorder
@@ -1226,6 +1286,10 @@ func InitializeScenario(ctx *godog.ScenarioContext) {
 		return ctx, nil
 	})
 	ctx.After(func(ctx context.Context, sc *godog.Scenario, err error) (context.Context, error) {
+		if err != nil {
+			recordFailedScenario(sc)
+		}
+
 		errReset := s.reset(ctx)
 		if errReset != nil {
 			return ctx, fmt.Errorf("reset scenario: %w", errReset)