249 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			249 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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// Imports
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import * as utilConfig from '../utils/config';
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import {validateCommitMessage} from './validate';
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// Constants
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const config = {
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  'commitMessage': {
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    'maxLineLength': 120,
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    'minBodyLength': 0,
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    'types': [
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      'feat',
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      'fix',
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      'refactor',
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      'release',
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      'style',
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    ],
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    'scopes': [
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      'common',
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      'compiler',
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      'core',
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      'packaging',
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    ]
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  }
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};
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const TYPES = config.commitMessage.types.join(', ');
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const SCOPES = config.commitMessage.scopes.join(', ');
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const INVALID = false;
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const VALID = true;
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// TODO(josephperrott): Clean up tests to test script rather than for
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// specific commit messages we want to use.
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describe('validate-commit-message.js', () => {
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  let lastError: string = '';
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  beforeEach(() => {
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    lastError = '';
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    spyOn(console, 'error').and.callFake((msg: string) => lastError = msg);
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    spyOn(utilConfig, 'getAngularDevConfig').and.returnValue(config);
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  });
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  describe('validateMessage()', () => {
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    it('should be valid', () => {
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      expect(validateCommitMessage('feat(packaging): something')).toBe(VALID);
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      expect(lastError).toBe('');
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      expect(validateCommitMessage('release(packaging): something')).toBe(VALID);
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      expect(lastError).toBe('');
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      expect(validateCommitMessage('fixup! release(packaging): something')).toBe(VALID);
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      expect(lastError).toBe('');
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      expect(validateCommitMessage('squash! release(packaging): something')).toBe(VALID);
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      expect(lastError).toBe('');
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      expect(validateCommitMessage('Revert: "release(packaging): something"')).toBe(VALID);
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      expect(lastError).toBe('');
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    });
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    it('should validate max length', () => {
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      const msg =
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          'fix(compiler): something super mega extra giga tera long, maybe even longer and longer and longer and longer and longer and longer...';
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      expect(validateCommitMessage(msg)).toBe(INVALID);
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      expect(lastError).toContain(
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          `The commit message header is longer than ${config.commitMessage.maxLineLength} characters`);
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    });
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    it('should validate "<type>(<scope>): <subject>" format', () => {
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      const msg = 'not correct format';
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      expect(validateCommitMessage(msg)).toBe(INVALID);
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      expect(lastError).toContain(`The commit message header does not match the expected format.`);
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    });
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    it('should fail when type is invalid', () => {
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      const msg = 'weird(core): something';
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      expect(validateCommitMessage(msg)).toBe(INVALID);
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      expect(lastError).toContain(`'weird' is not an allowed type.\n => TYPES: ${TYPES}`);
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    });
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    it('should fail when scope is invalid', () => {
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      const errorMessageFor = (scope: string, header: string) =>
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          `'${scope}' is not an allowed scope.\n => SCOPES: ${SCOPES}`;
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      expect(validateCommitMessage('fix(Compiler): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('Compiler', 'fix(Compiler): something'));
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      expect(validateCommitMessage('feat(bah): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('bah', 'feat(bah): something'));
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      expect(validateCommitMessage('style(webworker): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('webworker', 'style(webworker): something'));
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      expect(validateCommitMessage('refactor(security): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('security', 'refactor(security): something'));
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      expect(validateCommitMessage('refactor(docs): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('docs', 'refactor(docs): something'));
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      expect(validateCommitMessage('release(angular): something')).toBe(INVALID);
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      expect(lastError).toContain(errorMessageFor('angular', 'release(angular): something'));
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    });
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    it('should allow empty scope', () => {
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      expect(validateCommitMessage('fix: blablabla')).toBe(VALID);
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      expect(lastError).toBe('');
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    });
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    // We do not want to allow WIP. It is OK to fail the PR build in this case to show that there is
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    // work still to be done (i.e. fixing the commit message).
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    it('should not allow "WIP: ..." syntax', () => {
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      const msg = 'WIP: fix: something';
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      expect(validateCommitMessage(msg)).toBe(INVALID);
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      expect(lastError).toContain(`'WIP' is not an allowed type.\n => TYPES: ${TYPES}`);
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    });
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    describe('(revert)', () => {
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      it('should allow valid "revert: ..." syntaxes', () => {
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        expect(validateCommitMessage('revert: anything')).toBe(VALID);
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        expect(lastError).toBe('');
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        expect(validateCommitMessage('Revert: "anything"')).toBe(VALID);
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        expect(lastError).toBe('');
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        expect(validateCommitMessage('revert anything')).toBe(VALID);
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        expect(lastError).toBe('');
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        expect(validateCommitMessage('rEvErT anything')).toBe(VALID);
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        expect(lastError).toBe('');
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      });
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      it('should not allow "revert(scope): ..." syntax', () => {
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        const msg = 'revert(compiler): reduce generated code payload size by 65%';
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        expect(validateCommitMessage(msg)).toBe(INVALID);
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        expect(lastError).toContain(`'revert' is not an allowed type.\n => TYPES: ${TYPES}`);
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      });
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      // https://github.com/angular/angular/issues/23479
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      it('should allow typical Angular messages generated by git', () => {
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        const msg =
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            'Revert "fix(compiler): Pretty print object instead of [Object object] (#22689)" (#23442)';
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        expect(validateCommitMessage(msg)).toBe(VALID);
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        expect(lastError).toBe('');
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      });
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    });
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    describe('(squash)', () => {
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      it('should strip the `squash! ` prefix and validate the rest', () => {
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        const errorMessage = `The commit message header does not match the expected format.`;
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        // Valid messages.
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        expect(validateCommitMessage('squash! feat(core): add feature')).toBe(VALID);
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        expect(validateCommitMessage('squash! fix: a bug', false)).toBe(VALID);
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        // Invalid messages.
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        expect(validateCommitMessage('squash! fix a typo', false)).toBe(INVALID);
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        expect(lastError).toContain('squash! fix a typo');
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        expect(lastError).toContain(errorMessage);
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        expect(validateCommitMessage('squash! squash! fix: a bug')).toBe(INVALID);
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        expect(lastError).toContain('squash! squash! fix: a bug');
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        expect(lastError).toContain(errorMessage);
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      });
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      describe('with `disallowSquash`', () => {
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        it('should fail', () => {
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          expect(validateCommitMessage('fix(core): something', true)).toBe(VALID);
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          expect(validateCommitMessage('squash! fix(core): something', true)).toBe(INVALID);
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          expect(lastError).toContain(
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              'The commit must be manually squashed into the target commit');
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        });
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      });
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    });
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    describe('(fixup)', () => {
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      describe('without `nonFixupCommitHeaders`', () => {
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        it('should strip the `fixup! ` prefix and validate the rest', () => {
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          const errorMessage = `The commit message header does not match the expected format.`;
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          // Valid messages.
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          expect(validateCommitMessage('fixup! feat(core): add feature')).toBe(VALID);
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          expect(validateCommitMessage('fixup! fix: a bug')).toBe(VALID);
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          // Invalid messages.
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          expect(validateCommitMessage('fixup! fix a typo')).toBe(INVALID);
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          expect(lastError).toContain('fixup! fix a typo');
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          expect(lastError).toContain(errorMessage);
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          expect(validateCommitMessage('fixup! fixup! fix: a bug')).toBe(INVALID);
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          expect(lastError).toContain('fixup! fixup! fix: a bug');
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          expect(lastError).toContain(errorMessage);
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        });
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      });
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      describe('with `nonFixupCommitHeaders`', () => {
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        it('should check that the fixup commit matches a non-fixup one', () => {
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          const msg = 'fixup! foo';
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          expect(validateCommitMessage(msg, false, ['foo', 'bar', 'baz'])).toBe(VALID);
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          expect(validateCommitMessage(msg, false, ['bar', 'baz', 'foo'])).toBe(VALID);
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          expect(validateCommitMessage(msg, false, ['baz', 'foo', 'bar'])).toBe(VALID);
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          expect(validateCommitMessage(msg, false, ['qux', 'quux', 'quuux'])).toBe(INVALID);
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          expect(lastError).toContain(
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              'Unable to find match for fixup commit among prior commits: \n' +
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              '      qux\n' +
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              '      quux\n' +
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              '      quuux');
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        });
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        it('should fail if `nonFixupCommitHeaders` is empty', () => {
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          expect(validateCommitMessage('refactor(core): make reactive', false, [])).toBe(VALID);
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          expect(validateCommitMessage('fixup! foo', false, [])).toBe(INVALID);
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          expect(lastError).toContain(
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              `Unable to find match for fixup commit among prior commits: -`);
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        });
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      });
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    });
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  });
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});
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