fix: set commit author as local config (#152)

* fix: set commit author as local config

Close #151

Co-authored-by: Ryo Ota <nwtgck@nwtgck.org>

__tests__/git-utils.test.ts

@@ -0,0 +1,116 @@
+import {getUserName, getUserEmail, setCommitAuthor} from '../src/git-utils';
+import {getWorkDirName, createWorkDir} from '../src/utils';
+import {CmdResult} from '../src/interfaces';
+import * as exec from '@actions/exec';
+
+beforeEach(() => {
+  jest.resetModules();
+  process.env['GITHUB_ACTOR'] = 'default-octocat';
+  process.env['GITHUB_REPOSITORY'] = 'owner/repo';
+});
+
+afterEach(() => {
+  delete process.env['GITHUB_ACTOR'];
+  delete process.env['GITHUB_REPOSITORY'];
+});
+
+describe('getUserName()', () => {
+  test('get default git user name', () => {
+    const userName = '';
+    const test = getUserName(userName);
+    expect(test).toMatch('default-octocat');
+  });
+
+  test('get custom git user name', () => {
+    const userName = 'custom-octocat';
+    const test = getUserName(userName);
+    expect(test).toMatch(userName);
+  });
+});
+
+describe('getUserEmail()', () => {
+  test('get default git user email', () => {
+    const userEmail = '';
+    const test = getUserEmail(userEmail);
+    expect(test).toMatch('default-octocat@users.noreply.github.com');
+  });
+
+  test('get custom git user email', () => {
+    const userEmail = 'custom-octocat@github.com';
+    const test = getUserEmail(userEmail);
+    expect(test).toMatch(userEmail);
+  });
+});
+
+describe('setCommitAuthor()', () => {
+  let workDirName = '';
+  (async (): Promise<void> => {
+    const date = new Date();
+    const unixTime = date.getTime();
+    workDirName = await getWorkDirName(`${unixTime}`);
+  })();
+
+  beforeEach(async () => {
+    await createWorkDir(workDirName);
+    process.chdir(workDirName);
+    await exec.exec('git', ['init']);
+  });
+
+  test('get default commit author', async () => {
+    const userName = '';
+    const userEmail = '';
+    const result: CmdResult = {
+      exitcode: 0,
+      output: ''
+    };
+    const options = {
+      listeners: {
+        stdout: (data: Buffer): void => {
+          result.output += data.toString();
+        }
+      }
+    };
+    await setCommitAuthor(userName, userEmail);
+    result.exitcode = await exec.exec('git', ['config', 'user.name'], options);
+    expect(result.output).toMatch('default-octocat');
+    result.exitcode = await exec.exec('git', ['config', 'user.email'], options);
+    expect(result.output).toMatch('default-octocat@users.noreply.github.com');
+  });
+
+  test('get custom commit author', async () => {
+    const userName = 'custom-octocat';
+    const userEmail = 'custom-octocat@github.com';
+    const result: CmdResult = {
+      exitcode: 0,
+      output: ''
+    };
+    const options = {
+      listeners: {
+        stdout: (data: Buffer): void => {
+          result.output += data.toString();
+        }
+      }
+    };
+    await setCommitAuthor(userName, userEmail);
+    result.exitcode = await exec.exec('git', ['config', 'user.name'], options);
+    expect(result.output).toMatch(userName);
+    result.exitcode = await exec.exec('git', ['config', 'user.email'], options);
+    expect(result.output).toMatch(userEmail);
+  });
+
+  test('throw error user_email is undefined', async () => {
+    const userName = 'custom-octocat';
+    const userEmail = '';
+    await expect(setCommitAuthor(userName, userEmail)).rejects.toThrowError(
+      'user_email is undefined'
+    );
+  });
+
+  test('throw error user_name is undefined', async () => {
+    const userName = '';
+    const userEmail = 'custom-octocat@github.com';
+    await expect(setCommitAuthor(userName, userEmail)).rejects.toThrowError(
+      'user_name is undefined'
+    );
+  });
+});