Refactor tests a bit and fix typings

Signed-off-by: Francesco Saltori <francescosaltori@gmail.com>

plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/githubPullRequest.test.ts

@@ -26,7 +26,6 @@ import { resolve as resolvePath } from 'path';
 import { Writable } from 'stream';
 import { ActionContext, TemplateAction } from '../../types';
 import {
-  CreateGithubPullRequestClientFactoryInput,
   createPublishGithubPullRequestAction,
   OctokitWithPullRequestPluginClient,
 } from './githubPullRequest';
@@ -42,11 +41,12 @@ type GithubPullRequestActionInput = ReturnType<
 
 describe('createPublishGithubPullRequestAction', () => {
   let instance: TemplateAction<GithubPullRequestActionInput>;
-  let fakeClient: OctokitWithPullRequestPluginClient;
-
-  let clientFactory: (
-    input: CreateGithubPullRequestClientFactoryInput,
-  ) => Promise<OctokitWithPullRequestPluginClient>;
+  let fakeClient: {
+    createPullRequest: jest.Mock;
+    rest: {
+      pulls: { requestReviewers: jest.Mock };
+    };
+  };
 
   beforeEach(() => {
     const integrations = ScmIntegrations.fromConfig(new ConfigReader({}));
@@ -64,11 +64,13 @@ describe('createPublishGithubPullRequestAction', () => {
       }),
       rest: {
         pulls: {
-          requestReviewers: jest.fn(async (_: any) => ({ data: {} }))
-        }
-      }
+          requestReviewers: jest.fn(async (_: any) => ({ data: {} })),
+        },
+      },
     };
-    clientFactory = jest.fn(async () => fakeClient);
+    const clientFactory = jest.fn(
+      async () => fakeClient as unknown as OctokitWithPullRequestPluginClient,
+    );
     const githubCredentialsProvider: GithubCredentialsProvider = {
       getCredentials: jest.fn(),
     };
@@ -80,6 +82,11 @@ describe('createPublishGithubPullRequestAction', () => {
     });
   });
 
+  afterEach(() => {
+    mockFs.restore();
+    jest.resetAllMocks();
+  });
+
   describe('with no sourcePath', () => {
     let input: GithubPullRequestActionInput;
     let ctx: ActionContext<GithubPullRequestActionInput>;
@@ -106,6 +113,7 @@ describe('createPublishGithubPullRequestAction', () => {
         workspacePath,
       };
     });
+
     it('creates a pull request', async () => {
       await instance.handler(ctx);
 
@@ -140,10 +148,6 @@ describe('createPublishGithubPullRequestAction', () => {
       );
       expect(ctx.output).toHaveBeenCalledWith('pullRequestNumber', 123);
     });
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
   });
 
   describe('with sourcePath', () => {
@@ -176,11 +180,6 @@ describe('createPublishGithubPullRequestAction', () => {
       };
     });
 
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
-
     it('creates a pull request with only relevant files', async () => {
       await instance.handler(ctx);
 
@@ -272,10 +271,6 @@ describe('createPublishGithubPullRequestAction', () => {
       );
       expect(ctx.output).toHaveBeenCalledWith('pullRequestNumber', 123);
     });
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
   });
 
   describe('with reviewers and teamReviewers', () => {
@@ -289,7 +284,7 @@ describe('createPublishGithubPullRequestAction', () => {
         branchName: 'new-app',
         description: 'This PR is really good',
         reviewers: ['foobar'],
-        teamReviewers: ['team-foo']
+        teamReviewers: ['team-foo'],
       };
 
       ctx = {
@@ -312,12 +307,14 @@ describe('createPublishGithubPullRequestAction', () => {
         pull_number: 123,
         reviewers: ['foobar'],
         team_reviewers: ['team-foo'],
-      })
+      });
     });
 
     it('creates outputs for the pull request url and number even if requesting reviewers fails', async () => {
-      fakeClient.rest.pulls.requestReviewers.mockImplementation(() => { throw new Error('a random error') })
-      
+      fakeClient.rest.pulls.requestReviewers.mockImplementation(() => {
+        throw new Error('a random error');
+      });
+
       await instance.handler(ctx);
 
       expect(ctx.output).toHaveBeenCalledWith(
@@ -326,12 +323,7 @@ describe('createPublishGithubPullRequestAction', () => {
       );
       expect(ctx.output).toHaveBeenCalledWith('pullRequestNumber', 123);
     });
-
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
-  })
+  });
 
   describe('with no reviewers and teamReviewers', () => {
     let input: GithubPullRequestActionInput;
@@ -361,12 +353,7 @@ describe('createPublishGithubPullRequestAction', () => {
       expect(fakeClient.createPullRequest).toBeCalled();
       expect(fakeClient.rest.pulls.requestReviewers).not.toBeCalled();
     });
-
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
-  })
+  });
 
   describe('with executable file mode 755', () => {
     let input: GithubPullRequestActionInput;
@@ -431,10 +418,6 @@ describe('createPublishGithubPullRequestAction', () => {
       );
       expect(ctx.output).toHaveBeenCalledWith('pullRequestNumber', 123);
     });
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
   });
 
   describe('with executable file mode 775', () => {
@@ -500,9 +483,5 @@ describe('createPublishGithubPullRequestAction', () => {
       );
       expect(ctx.output).toHaveBeenCalledWith('pullRequestNumber', 123);
     });
-    afterEach(() => {
-      mockFs.restore();
-      jest.resetAllMocks();
-    });
   });
 });