DS-12892: Add Workers Analytics Engine binding

.changelog/1133.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+workers: Support for Workers Analytics Engine bindings
+```

workers.go

@@ -111,6 +111,8 @@ const (
 	WorkerServiceBindingType WorkerBindingType = "service"
 	// WorkerR2BucketBindingType is the type for R2 bucket bindings.
 	WorkerR2BucketBindingType WorkerBindingType = "r2_bucket"
+	// WorkerAnalyticsEngineBindingType is the type for Analytics Engine dataset bindings.
+	WorkerAnalyticsEngineBindingType WorkerBindingType = "analytics_engine"
 )
 
 // WorkerBindingListItem a struct representing an individual binding in a list of bindings.
@@ -355,6 +357,28 @@ func (b WorkerR2BucketBinding) serialize(bindingName string) (workerBindingMeta,
 	}, nil, nil
 }
 
+// WorkerAnalyticsEngineBinding is a binding to an Analytics Engine dataset.
+type WorkerAnalyticsEngineBinding struct {
+	Dataset string
+}
+
+// Type returns the type of the binding.
+func (b WorkerAnalyticsEngineBinding) Type() WorkerBindingType {
+	return WorkerAnalyticsEngineBindingType
+}
+
+func (b WorkerAnalyticsEngineBinding) serialize(bindingName string) (workerBindingMeta, workerBindingBodyWriter, error) {
+	if b.Dataset == "" {
+		return nil, nil, fmt.Errorf(`Dataset for binding "%s" cannot be empty`, bindingName)
+	}
+
+	return workerBindingMeta{
+		"name":    bindingName,
+		"type":    b.Type(),
+		"dataset": b.Dataset,
+	}, nil, nil
+}
+
 // Each binding that adds a part to the multipart form body will need
 // a unique part name so we just generate a random 128bit hex string.
 func getRandomPartName() string {
@@ -545,6 +569,11 @@ func (api *API) ListWorkerBindings(ctx context.Context, requestParams *WorkerReq
 			bindingListItem.Binding = WorkerR2BucketBinding{
 				BucketName: bucketName,
 			}
+		case WorkerAnalyticsEngineBindingType:
+			dataset := jsonBinding["dataset"].(string)
+			bindingListItem.Binding = WorkerAnalyticsEngineBinding{
+				Dataset: dataset,
+			}
 		default:
 			bindingListItem.Binding = WorkerInheritBinding{}
 		}

workers_test.go

@@ -154,6 +154,11 @@ const (
 				"name": "MY_BUCKET",
 				"type": "r2_bucket",
 				"bucket_name": "bucket"
+			},
+			{
+				"name": "MY_DATASET",
+				"type": "analytics_engine",
+				"dataset": "my_dataset"
 			}
 		],
 		"success": true,
@@ -1216,7 +1221,7 @@ func TestWorkers_ListWorkerBindingsMultiScript(t *testing.T) {
 	assert.NoError(t, err)
 
 	assert.Equal(t, successResponse, res.Response)
-	assert.Equal(t, 7, len(res.BindingList))
+	assert.Equal(t, 8, len(res.BindingList))
 
 	assert.Equal(t, res.BindingList[0], WorkerBindingListItem{
 		Name: "MY_KV",
@@ -1270,6 +1275,14 @@ func TestWorkers_ListWorkerBindingsMultiScript(t *testing.T) {
 		},
 	})
 	assert.Equal(t, WorkerR2BucketBindingType, res.BindingList[6].Binding.Type())
+
+	assert.Equal(t, res.BindingList[7], WorkerBindingListItem{
+		Name: "MY_DATASET",
+		Binding: WorkerAnalyticsEngineBinding{
+			Dataset: "my_dataset",
+		},
+	})
+	assert.Equal(t, WorkerAnalyticsEngineBindingType, res.BindingList[7].Binding.Type())
 }
 
 func TestWorkers_UpdateWorkerRouteErrorsWhenMixingSingleAndMultiScriptProperties(t *testing.T) {