kubernetes: add isolatated plugin dev setup

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/kubernetes/dev/index.tsx

@@ -13,7 +13,100 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import React from 'react';
+import { Entity } from '@backstage/catalog-model';
 import { createDevApp } from '@backstage/dev-utils';
-import { kubernetesPlugin } from '../src';
+import { EntityProvider } from '@backstage/plugin-catalog-react';
+import {
+  EntityKubernetesContent,
+  kubernetesPlugin,
+  kubernetesApiRef,
+  KubernetesApi,
+} from '../src';
+import {
+  FetchResponse,
+  ObjectsByEntityResponse,
+} from '@backstage/plugin-kubernetes-common';
+import fixture1 from '../src/__fixtures__/1-deployments.json';
+import fixture2 from '../src/__fixtures__/2-deployments.json';
+import { ApiProvider, ApiRegistry } from '@backstage/core-app-api';
 
-createDevApp().registerPlugin(kubernetesPlugin).render();
+const mockEntity: Entity = {
+  apiVersion: 'backstage.io/v1alpha1',
+  kind: 'Component',
+  metadata: {
+    name: 'backstage',
+    description: 'backstage.io',
+    annotations: {
+      'backstage.io/kubernetes-id': 'dice-roller',
+    },
+  },
+  spec: {
+    lifecycle: 'production',
+    type: 'service',
+    owner: 'user:guest',
+  },
+};
+
+class MockKubernetesClient implements KubernetesApi {
+  readonly resources: FetchResponse[];
+
+  constructor(fixtureData: { [resourceType: string]: any[] }) {
+    this.resources = Object.entries(fixtureData).flatMap(
+      ([type, resources]) =>
+        ({ type: type.toLocaleLowerCase('en-US'), resources } as FetchResponse),
+    );
+  }
+
+  async getObjectsByEntity(): Promise<ObjectsByEntityResponse> {
+    return {
+      items: [
+        {
+          cluster: { name: 'mock-cluster' },
+          resources: this.resources,
+          errors: [],
+        },
+      ],
+    };
+  }
+
+  async getClusters(): Promise<{ name: string; authProvider: string }[]> {
+    return [{ name: 'mock-cluster', authProvider: 'serviceAccount' }];
+  }
+}
+
+createDevApp()
+  .addPage({
+    path: '/fixture-1',
+    title: 'Fixture 1',
+    element: (
+      <ApiProvider
+        apis={ApiRegistry.with(
+          kubernetesApiRef,
+          new MockKubernetesClient(fixture1),
+        )}
+      >
+        <EntityProvider entity={mockEntity}>
+          <EntityKubernetesContent />
+        </EntityProvider>
+      </ApiProvider>
+    ),
+  })
+  .addPage({
+    path: '/fixture-2',
+    title: 'Fixture 2',
+    element: (
+      <ApiProvider
+        apis={ApiRegistry.with(
+          kubernetesApiRef,
+          new MockKubernetesClient(fixture2),
+        )}
+      >
+        <EntityProvider entity={mockEntity}>
+          <EntityKubernetesContent />
+        </EntityProvider>
+      </ApiProvider>
+    ),
+  })
+  .registerPlugin(kubernetesPlugin)
+  .render();