frontend-plugin-api: initial createExtension test

Co-authored-by: Fredrik Adelöw <freben@gmail.com> Co-authored-by: Johan Haals <johan.haals@gmail.com> Co-authored-by: Camila Belo <camilaibs@gmail.com> Co-authored-by: Philipp Hugenroth <philipph@spotify.com> Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
2023-09-04 14:59:28 +02:00
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+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * 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.
+ */
+
+import { createExtension } from './createExtension';
+import { createExtensionDataRef } from './createExtensionDataRef';
+
+const stringData = createExtensionDataRef<string>('string');
+
+describe('createExtension', () => {
+  it('should create an extension with a simple output', () => {
+    const extension = createExtension({
+      id: 'test',
+      at: 'root',
+      output: {
+        foo: coreExtensionData.title,
+        foo2: stringData,
+      },
+      factory({ bind }) {
+        // Make it work well with required and optional output
+        // HOH - High Order Helper
+        bind({
+          foo: 'bar',
+        });
+        // @ts-expect-error
+        bind.foo(3);
+        // @ts-expect-error
+        bind.foo();
+        // @ts-expect-error
+        bind.bar('bar');
+      },
+    });
+    expect(extension.id).toBe('test');
+  });
+});