docs: provide example for github:repo:push

Signed-off-by: Kurt King <kurtaking@gmail.com>

plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.examples.test.ts

@@ -0,0 +1,131 @@
+/*
+ * 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 { TemplateAction } from '@backstage/plugin-scaffolder-node';
+import { getVoidLogger } from '@backstage/backend-common';
+import { ConfigReader } from '@backstage/config';
+import {
+  DefaultGithubCredentialsProvider,
+  GithubCredentialsProvider,
+  ScmIntegrations,
+} from '@backstage/integration';
+import { PassThrough } from 'stream';
+import { initRepoAndPush } from '../helpers';
+import { createGithubRepoPushAction } from './githubRepoPush';
+import { examples } from './githubRepoPush.examples';
+import yaml from 'yaml';
+
+const mockGit = {
+  init: jest.fn(),
+  add: jest.fn(),
+  checkout: jest.fn(),
+  commit: jest
+    .fn()
+    .mockResolvedValue('220f19cc36b551763d157f1b5e4a4b446165dbd6'),
+  fetch: jest.fn(),
+  addRemote: jest.fn(),
+  push: jest.fn(),
+};
+
+jest.mock('@backstage/backend-common', () => ({
+  Git: {
+    fromAuth() {
+      return mockGit;
+    },
+  },
+  getVoidLogger: jest.requireActual('@backstage/backend-common').getVoidLogger,
+}));
+
+jest.mock('../helpers');
+
+const initRepoAndPushMocked = initRepoAndPush as jest.Mock<
+  Promise<{ commitHash: string }>
+>;
+
+const mockOctokit = {
+  rest: {
+    repos: {
+      get: jest.fn(),
+    },
+  },
+};
+jest.mock('octokit', () => ({
+  Octokit: class {
+    constructor() {
+      return mockOctokit;
+    }
+  },
+}));
+
+describe('github:repo:push examples', () => {
+  const config = new ConfigReader({
+    integrations: {
+      github: [
+        { host: 'github.com', token: 'tokenlols' },
+        { host: 'ghe.github.com' },
+      ],
+    },
+  });
+
+  const integrations = ScmIntegrations.fromConfig(config);
+  let githubCredentialsProvider: GithubCredentialsProvider;
+  let action: TemplateAction<any>;
+
+  const mockContext = {
+    workspacePath: 'lol',
+    logger: getVoidLogger(),
+    logStream: new PassThrough(),
+    output: jest.fn(),
+    createTemporaryDirectory: jest.fn(),
+  };
+
+  beforeEach(() => {
+    jest.resetAllMocks();
+
+    initRepoAndPushMocked.mockResolvedValue({ commitHash: 'test123' });
+
+    githubCredentialsProvider =
+      DefaultGithubCredentialsProvider.fromIntegrations(integrations);
+    action = createGithubRepoPushAction({
+      integrations,
+      config,
+      githubCredentialsProvider,
+    });
+  });
+
+  it('should call initRepoAndPush with the correct values', async () => {
+    mockOctokit.rest.repos.get.mockResolvedValue({
+      data: {
+        clone_url: 'https://github.com/clone/url.git',
+        html_url: 'https://github.com/html/url',
+      },
+    });
+
+    await action.handler({
+      ...mockContext,
+      input: yaml.parse(examples[0].example).steps[0].input,
+    });
+
+    expect(initRepoAndPush).toHaveBeenCalledWith({
+      dir: mockContext.workspacePath,
+      remoteUrl: 'https://github.com/clone/url.git',
+      defaultBranch: 'master',
+      auth: { username: 'x-access-token', password: 'tokenlols' },
+      logger: mockContext.logger,
+      commitMessage: 'initial commit',
+      gitAuthorInfo: {},
+    });
+  });
+});

plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.examples.ts

@@ -0,0 +1,65 @@
+/*
+ * 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 { TemplateExample } from '@backstage/plugin-scaffolder-node';
+import yaml from 'yaml';
+
+export const examples: TemplateExample[] = [
+  {
+    description: 'Setup repo with no modifications to branch protection rules',
+    example: yaml.stringify({
+      steps: [
+        {
+          action: 'github:repo:push',
+          name: 'Create test repo with testuser as owner.',
+          input: {
+            repoUrl: 'github.com?repo=test&owner=testuser',
+          },
+        },
+      ],
+    }),
+  },
+  {
+    description: 'Setup repo with required codeowners check',
+    example: yaml.stringify({
+      steps: [
+        {
+          action: 'github:repo:push',
+          name: 'Require codeowner branch protection rule',
+          input: {
+            repoUrl: 'github.com?repo=reponame&owner=owner',
+            requireCodeOwnerReviews: true,
+          },
+        },
+      ],
+    }),
+  },
+  {
+    description: 'Change the default required number of approvals',
+    example: yaml.stringify({
+      steps: [
+        {
+          action: 'github:repo:push',
+          name: 'Require two approvals before merging',
+          input: {
+            repoUrl: 'github.com?repo=reponame&owner=owner',
+            requiredApprovingReviewCount: 2,
+          },
+        },
+      ],
+    }),
+  },
+];

plugins/scaffolder-backend/src/scaffolder/actions/builtin/github/githubRepoPush.ts

@@ -26,6 +26,7 @@ import { parseRepoUrl } from '../publish/util';
 import { getOctokitOptions, initRepoPushAndProtect } from './helpers';
 import * as inputProps from './inputProperties';
 import * as outputProps from './outputProperties';
+import { examples } from './githubRepoPush.examples';
 
 /**
  * Creates a new action that initializes a git repository of the content in the workspace
@@ -76,6 +77,7 @@ export function createGithubRepoPushAction(options: {
     id: 'github:repo:push',
     description:
       'Initializes a git repository of contents in workspace and publishes it to GitHub.',
+    examples,
     schema: {
       input: {
         type: 'object',