test(platforms): update test cases for platforms

source/platforms/_tests/GitHub.test.ts

@@ -0,0 +1,92 @@
+import { GitHub } from '../GitHub';
+import { FakeCI } from '../../ci_source/providers/Fake';
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+import * as os from 'os';
+const fixtures = resolve(__dirname, 'fixtures');
+const EOL = os.EOL;
+
+// Gets a mocked out GitHub class for checking a get path
+const mockGitHubWithGetForPath = (expectedPath): GitHub => {
+  const mockSource = new FakeCI({});
+  const github = new GitHub('Token', mockSource);
+
+  github.get = (path: string, headers: any = {}, body: any = {}, method: string = 'GET'): Promise<any> => {
+    return new Promise((resolve: any, reject: any) => {
+      expect(path).toBe(expectedPath);
+      resolve({});
+    });
+  };
+
+  return github;
+};
+
+/** Returns JSON from the fixtured dir */
+const requestWithFixturedJSON = async (path: string): Promise<any> => {
+  const json = JSON.parse(readFileSync(`${fixtures}/${path}`, {}).toString());
+  return () => {
+    return {
+      json: () => Promise.resolve(json)
+    };
+  };
+};
+
+/** Returns arbitrary text value from a request */
+const requestWithFixturedContent = async (path: string): Promise<any> => {
+  const content = readFileSync(`${fixtures}/${path}`, {}).toString();
+  return () => {
+    return {
+      text: () => Promise.resolve(content)
+    };
+  };
+};
+
+describe('API results', () => {
+  it('sets the correct paths for pull request comments', () => {
+    const expectedPath = 'repos/artsy/emission/issues/327/comments';
+    const github = mockGitHubWithGetForPath(expectedPath);
+    expect(github.getPullRequestComments());
+  });
+
+  it('sets the correct paths for getPullRequestDiff', () => {
+    const expectedPath = 'repos/artsy/emission/pulls/327';
+    const github = mockGitHubWithGetForPath(expectedPath);
+    expect(github.getPullRequestDiff());
+  });
+});
+
+describe('with fixtured data', () => {
+  it('returns the correct github data', async () => {
+    const mockSource = new FakeCI({});
+    const github = new GitHub('Token', mockSource);
+    github.getPullRequestInfo = await requestWithFixturedJSON('github_pr.json');
+
+    const info = await github.getReviewInfo();
+    expect(info.title).toEqual('Adds support for showing the metadata and trending Artists to a Gene VC');
+  });
+
+  describe('the dangerfile gitDSL', async () => {
+    let github = {};
+    beforeEach(async () => {
+      github = new GitHub('Token', new FakeCI({}));
+      (github as any).getPullRequestDiff = await requestWithFixturedContent('github_diff.diff');
+    });
+
+    it('sets the modified/created/deleted', async () => {
+    const gitDSL = await (github as any).getReviewDiff();
+
+      expect(gitDSL.modified_files).toEqual(['CHANGELOG.md', 'data/schema.graphql', 'data/schema.json', 'externals/metaphysics', 'lib/__mocks__/react-relay.js', 'lib/components/artist/about.js', 'lib/components/gene/header.js', 'lib/containers/__tests__/__snapshots__/gene-tests.js.snap', 'lib/containers/__tests__/gene-tests.js', 'lib/containers/gene.js', 'tsconfig.json']); //tslint:disable-line:max-line-length
+
+      expect(gitDSL.created_files).toEqual(['lib/components/gene/about.js', 'lib/components/gene/biography.js', 'lib/components/related_artists/index.js', 'lib/components/related_artists/related_artist.js']); //tslint:disable-line:max-line-length
+
+      expect(gitDSL.deleted_files).toEqual(['lib/components/artist/related_artists/index.js', 'lib/components/artist/related_artists/related_artist.js', 'lib/components/gene/about_gene.js']); //tslint:disable-line:max-line-length
+    });
+
+    it('shows the diff for a specific file', async () => {
+      const expected = ` - [dev] Updates Flow to 0.32 - orta${EOL} - [dev] Updates React to 0.34 - orta${EOL} - [dev] Turns on "keychain sharing" to fix a keychain bug in sim - orta${EOL}+- GeneVC now shows about information, and trending artists - orta${EOL} ${EOL} ### 1.1.0-beta.2${EOL} `; //tslint:disable-line:max-line-length
+      const gitDSL = await (github as any).getReviewDiff();
+
+      expect(gitDSL.diffForFile('CHANGELOG.md')).toEqual(expected);
+    });
+  });
+});

source/platforms/_tests/platform.test.ts

@@ -0,0 +1,7 @@
+import { getPlatformForEnv } from '../platform';
+
+it('should bail if there is no DANGER_GITHUB_API_TOKEN found', () => {
+  (expect as any)(() => {
+    getPlatformForEnv({} as any, {} as any);
+  }).toThrow('Cannot use authenticated API requests');
+});