add test file

docs/en/samples/pre_post_processing/go/agent_test.go

@@ -0,0 +1,78 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestQuickstartSample(t *testing.T) {
+	framework := os.Getenv("ORCH_NAME")
+	if framework == "" {
+		t.Skip("Skipping test: ORCH_NAME environment variable is not set.")
+	}
+
+	t.Logf("--- Testing: %s ---", framework)
+
+	if os.Getenv("GOOGLE_API_KEY") == "" {
+		t.Skipf("Skipping test for %s: GOOGLE_API_KEY environment variable is not set.", framework)
+	}
+
+	sampleDir := filepath.Join(".", framework)
+	if _, err := os.Stat(sampleDir); os.IsNotExist(err) {
+		t.Fatalf("Test setup failed: directory for framework '%s' not found.", framework)
+	}
+
+	cmd := exec.Command("go", "run", ".")
+	cmd.Dir = sampleDir
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	err := cmd.Run()
+	actualOutput := stdout.String()
+
+	if err != nil {
+		t.Fatalf("Script execution failed with error: %v\n--- STDERR ---\n%s", err, stderr.String())
+	}
+	if len(actualOutput) == 0 {
+		t.Fatal("Script ran successfully but produced no output.")
+	}
+
+	goldenKeywords := []string{
+		"AI:",
+		"Loyalty Points",
+		"POLICY CHECK: Intercepting 'update-hotel'",
+	}
+
+	var missingKeywords []string
+	outputLower := strings.ToLower(actualOutput)
+
+	for _, keyword := range goldenKeywords {
+		kw := strings.TrimSpace(keyword)
+		if kw != "" && !strings.Contains(outputLower, strings.ToLower(kw)) {
+			missingKeywords = append(missingKeywords, kw)
+		}
+	}
+
+	if len(missingKeywords) > 0 {
+		t.Fatalf("FAIL: The following keywords were missing from the output: [%s]", strings.Join(missingKeywords, ", "))
+	}
+}

docs/en/samples/pre_post_processing/golden.txt

@@ -1,3 +0,0 @@
-AI:
-Loyalty Points
-POLICY CHECK: Intercepting 'update-hotel'