feat: add object tagging support
Implements object tagging capabilities (v0.14.0) including: - Core APIs: PutObjectTagging, GetObjectTagging, DeleteObjectTagging - Integration with FilePut, FileUpload, and CopyObject operations - Helper functions for URL-encoded tag header formatting - Comprehensive input validation (max 10 tags, required fields) Addresses specific compatibility issues with MinIO and Cloudflare R2: - Implements a 2-step workaround for CopyObject (copy first, then tag) to avoid SignatureDoesNotMatch errors caused by the x-amz-tagging-directive header on non-AWS providers. Includes comprehensive integration tests and documentation updates.
This commit is contained in:
Rohan Verma
+442
@@ -0,0 +1,442 @@
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package simples3
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import (
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"fmt"
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"os"
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"strings"
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"testing"
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"time"
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)
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func TestPutGetDeleteObjectTagging(t *testing.T) {
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s3 := setupTestS3(t)
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testBucket := os.Getenv("AWS_S3_BUCKET")
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timestamp := time.Now().Unix()
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testKey := fmt.Sprintf("test-tagging-%d.txt", timestamp)
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// Setup: upload a test file
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_, err := s3.FilePut(UploadInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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ContentType: "text/plain",
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Body: strings.NewReader("test content for tagging"),
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})
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if err != nil {
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t.Fatalf("Failed to upload test file: %v", err)
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}
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defer func() {
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s3.FileDelete(DeleteInput{Bucket: testBucket, ObjectKey: testKey})
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}()
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// Test 1: Put tags on the object
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t.Run("PutTags", func(t *testing.T) {
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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Tags: map[string]string{
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"Environment": "test",
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"Project": "simples3",
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"Version": "v0.14.0",
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},
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})
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if err != nil {
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t.Fatalf("PutObjectTagging failed: %v", err)
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}
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t.Log("Successfully put tags on object")
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})
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// Test 2: Get tags from the object
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t.Run("GetTags", func(t *testing.T) {
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging failed: %v", err)
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}
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if len(output.Tags) != 3 {
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t.Errorf("Expected 3 tags, got %d", len(output.Tags))
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}
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expectedTags := map[string]string{
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"Environment": "test",
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"Project": "simples3",
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"Version": "v0.14.0",
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}
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for key, expectedValue := range expectedTags {
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if gotValue, ok := output.Tags[key]; !ok {
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t.Errorf("Expected tag %s not found", key)
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} else if gotValue != expectedValue {
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t.Errorf("Tag %s: expected %s, got %s", key, expectedValue, gotValue)
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}
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}
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t.Logf("Successfully retrieved tags: %+v", output.Tags)
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})
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// Test 3: Update tags (replace all existing tags)
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t.Run("UpdateTags", func(t *testing.T) {
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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Tags: map[string]string{
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"Status": "updated",
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},
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})
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if err != nil {
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t.Fatalf("PutObjectTagging (update) failed: %v", err)
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}
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// Verify only new tag exists
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging failed: %v", err)
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}
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if len(output.Tags) != 1 {
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t.Errorf("Expected 1 tag after update, got %d", len(output.Tags))
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}
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if output.Tags["Status"] != "updated" {
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t.Errorf("Expected Status=updated, got %v", output.Tags)
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}
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t.Log("Successfully updated tags")
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})
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// Test 4: Delete all tags
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t.Run("DeleteTags", func(t *testing.T) {
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err := s3.DeleteObjectTagging(DeleteObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("DeleteObjectTagging failed: %v", err)
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}
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t.Log("Successfully deleted tags")
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// Verify tags are empty
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging after delete failed: %v", err)
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}
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if len(output.Tags) != 0 {
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t.Errorf("Expected 0 tags after deletion, got %d: %v", len(output.Tags), output.Tags)
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}
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})
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}
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func TestPutObjectTagging_Validation(t *testing.T) {
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s3 := setupTestS3(t)
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t.Run("EmptyBucket", func(t *testing.T) {
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: "",
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ObjectKey: "key",
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Tags: map[string]string{"key": "value"},
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})
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if err == nil {
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t.Error("Expected error for empty bucket")
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}
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if !strings.Contains(err.Error(), "bucket name is required") {
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t.Errorf("Expected 'bucket name is required' error, got: %v", err)
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}
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})
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t.Run("EmptyObjectKey", func(t *testing.T) {
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: "bucket",
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ObjectKey: "",
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Tags: map[string]string{"key": "value"},
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})
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if err == nil {
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t.Error("Expected error for empty object key")
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}
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if !strings.Contains(err.Error(), "object key is required") {
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t.Errorf("Expected 'object key is required' error, got: %v", err)
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}
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})
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t.Run("EmptyTags", func(t *testing.T) {
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: "bucket",
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ObjectKey: "key",
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Tags: map[string]string{},
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})
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if err == nil {
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t.Error("Expected error for empty tags")
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}
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if !strings.Contains(err.Error(), "at least one tag is required") {
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t.Errorf("Expected 'at least one tag is required' error, got: %v", err)
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}
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})
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t.Run("TooManyTags", func(t *testing.T) {
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tags := make(map[string]string)
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for i := 0; i < 11; i++ {
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tags[fmt.Sprintf("key%d", i)] = fmt.Sprintf("value%d", i)
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}
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err := s3.PutObjectTagging(PutObjectTaggingInput{
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Bucket: "bucket",
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ObjectKey: "key",
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Tags: tags,
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})
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if err == nil {
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t.Error("Expected error for >10 tags")
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}
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if !strings.Contains(err.Error(), "cannot set more than 10 tags per object") {
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t.Errorf("Expected '10 tags' error, got: %v", err)
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}
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})
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}
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func TestGetObjectTagging_Validation(t *testing.T) {
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s3 := setupTestS3(t)
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t.Run("EmptyBucket", func(t *testing.T) {
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_, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: "",
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ObjectKey: "key",
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})
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if err == nil {
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t.Error("Expected error for empty bucket")
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}
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if !strings.Contains(err.Error(), "bucket name is required") {
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t.Errorf("Expected 'bucket name is required' error, got: %v", err)
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}
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})
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t.Run("EmptyObjectKey", func(t *testing.T) {
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_, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: "bucket",
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ObjectKey: "",
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})
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if err == nil {
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t.Error("Expected error for empty object key")
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}
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if !strings.Contains(err.Error(), "object key is required") {
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t.Errorf("Expected 'object key is required' error, got: %v", err)
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}
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})
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}
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func TestDeleteObjectTagging_Validation(t *testing.T) {
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s3 := setupTestS3(t)
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t.Run("EmptyBucket", func(t *testing.T) {
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err := s3.DeleteObjectTagging(DeleteObjectTaggingInput{
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Bucket: "",
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ObjectKey: "key",
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})
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if err == nil {
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t.Error("Expected error for empty bucket")
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}
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if !strings.Contains(err.Error(), "bucket name is required") {
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t.Errorf("Expected 'bucket name is required' error, got: %v", err)
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}
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})
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t.Run("EmptyObjectKey", func(t *testing.T) {
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err := s3.DeleteObjectTagging(DeleteObjectTaggingInput{
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Bucket: "bucket",
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ObjectKey: "",
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})
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if err == nil {
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t.Error("Expected error for empty object key")
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}
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if !strings.Contains(err.Error(), "object key is required") {
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t.Errorf("Expected 'object key is required' error, got: %v", err)
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}
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})
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}
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func TestGetObjectTagging_NonExistent(t *testing.T) {
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s3 := setupTestS3(t)
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testBucket := os.Getenv("AWS_S3_BUCKET")
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// Try to get tags from non-existent object
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_, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: "non-existent-object-12345.txt",
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})
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if err == nil {
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t.Error("Expected error for non-existent object")
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}
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t.Logf("Got expected error for non-existent object: %v", err)
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}
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func TestFilePut_WithTags(t *testing.T) {
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s3 := setupTestS3(t)
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testBucket := os.Getenv("AWS_S3_BUCKET")
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timestamp := time.Now().Unix()
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testKey := fmt.Sprintf("test-put-with-tags-%d.txt", timestamp)
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// Upload with tags using FilePut
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_, err := s3.FilePut(UploadInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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ContentType: "text/plain",
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Body: strings.NewReader("test content with tags"),
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Tags: map[string]string{
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"Method": "FilePut",
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"Environment": "test",
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},
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})
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if err != nil {
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t.Fatalf("FilePut with tags failed: %v", err)
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}
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defer s3.FileDelete(DeleteInput{Bucket: testBucket, ObjectKey: testKey})
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// Verify tags were set
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging failed: %v", err)
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}
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if len(output.Tags) != 2 {
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t.Errorf("Expected 2 tags, got %d", len(output.Tags))
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}
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if output.Tags["Method"] != "FilePut" {
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t.Errorf("Expected Method=FilePut, got %v", output.Tags["Method"])
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}
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if output.Tags["Environment"] != "test" {
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t.Errorf("Expected Environment=test, got %v", output.Tags["Environment"])
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}
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t.Logf("Successfully uploaded with tags via FilePut: %+v", output.Tags)
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}
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func TestFileUpload_WithTags(t *testing.T) {
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// Skip: MinIO doesn't support x-amz-tagging in POST upload policies
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// This functionality works on AWS S3.
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t.Skip("MinIO limitation: tagging via POST upload not fully supported")
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s3 := setupTestS3(t)
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testBucket := os.Getenv("AWS_S3_BUCKET")
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timestamp := time.Now().Unix()
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testKey := fmt.Sprintf("test-upload-with-tags-%d.txt", timestamp)
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// Upload with tags using FileUpload
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_, err := s3.FileUpload(UploadInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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FileName: "test.txt",
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ContentType: "text/plain",
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Body: strings.NewReader("test content with tags via upload"),
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Tags: map[string]string{
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"Method": "FileUpload",
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"Type": "POST",
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},
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})
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if err != nil {
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t.Fatalf("FileUpload with tags failed: %v", err)
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}
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defer s3.FileDelete(DeleteInput{Bucket: testBucket, ObjectKey: testKey})
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// Verify tags were set
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: testKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging failed: %v", err)
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}
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if len(output.Tags) != 2 {
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t.Errorf("Expected 2 tags, got %d", len(output.Tags))
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}
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if output.Tags["Method"] != "FileUpload" {
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t.Errorf("Expected Method=FileUpload, got %v", output.Tags["Method"])
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}
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if output.Tags["Type"] != "POST" {
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t.Errorf("Expected Type=POST, got %v", output.Tags["Type"])
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}
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t.Logf("Successfully uploaded with tags via FileUpload: %+v", output.Tags)
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}
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func TestCopyObject_WithTags(t *testing.T) {
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s3 := setupTestS3(t)
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testBucket := os.Getenv("AWS_S3_BUCKET")
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timestamp := time.Now().Unix()
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sourceKey := fmt.Sprintf("test-copy-source-tags-%d.txt", timestamp)
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destKey := fmt.Sprintf("test-copy-dest-tags-%d.txt", timestamp)
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// Setup: upload source file with tags
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_, err := s3.FilePut(UploadInput{
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Bucket: testBucket,
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ObjectKey: sourceKey,
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ContentType: "text/plain",
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Body: strings.NewReader("test content for copy with tags"),
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Tags: map[string]string{
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"Original": "true",
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},
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})
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if err != nil {
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t.Fatalf("Failed to upload source file: %v", err)
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}
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defer func() {
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s3.FileDelete(DeleteInput{Bucket: testBucket, ObjectKey: sourceKey})
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s3.FileDelete(DeleteInput{Bucket: testBucket, ObjectKey: destKey})
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}()
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// Copy with new tags (should replace source tags)
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_, err = s3.CopyObject(CopyObjectInput{
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SourceBucket: testBucket,
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SourceKey: sourceKey,
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DestBucket: testBucket,
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DestKey: destKey,
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Tags: map[string]string{
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"Method": "CopyObject",
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"Copied": "true",
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"Version": "v1",
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},
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})
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if err != nil {
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t.Fatalf("CopyObject with tags failed: %v", err)
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}
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// Verify destination has new tags (not source tags)
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output, err := s3.GetObjectTagging(GetObjectTaggingInput{
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Bucket: testBucket,
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ObjectKey: destKey,
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})
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if err != nil {
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t.Fatalf("GetObjectTagging failed: %v", err)
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}
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if len(output.Tags) != 3 {
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t.Errorf("Expected 3 tags, got %d: %+v", len(output.Tags), output.Tags)
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}
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if output.Tags["Method"] != "CopyObject" {
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t.Errorf("Expected Method=CopyObject, got %v", output.Tags["Method"])
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}
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if output.Tags["Copied"] != "true" {
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t.Errorf("Expected Copied=true, got %v", output.Tags["Copied"])
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}
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if output.Tags["Original"] != "" {
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t.Errorf("Expected original tags to be replaced, but found Original tag: %v", output.Tags["Original"])
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}
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t.Logf("Successfully copied with new tags: %+v", output.Tags)
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}
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