Adding garm test suite

test/integration/utils.go

@@ -0,0 +1,35 @@
+package integration
+
+import (
+	"encoding/json"
+	"fmt"
+	"log/slog"
+)
+
+func printJSONResponse(resp interface{}) error {
+	b, err := json.MarshalIndent(resp, "", "  ")
+	if err != nil {
+		return err
+	}
+	slog.Info(string(b))
+	return nil
+}
+
+type apiCodeGetter interface {
+	IsCode(code int) bool
+}
+
+func expectAPIStatusCode(err error, expectedCode int) error {
+	if err == nil {
+		return fmt.Errorf("expected error, got nil")
+	}
+	apiErr, ok := err.(apiCodeGetter)
+	if !ok {
+		return fmt.Errorf("expected API error, got %v (%T)", err, err)
+	}
+	if !apiErr.IsCode(expectedCode) {
+		return fmt.Errorf("expected status code %d: %v", expectedCode, err)
+	}
+
+	return nil
+}