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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach, afterEach } from 'vitest';
import { getReleaseVersion } from '../get-release-version';
// Mock child_process so we can spy on execSync
vi.mock('child_process', () => ({
execSync: vi.fn(),
}));
describe('getReleaseVersion', async () => {
// Dynamically import execSync after mocking
const { execSync } = await import('child_process');
const originalEnv = { ...process.env };
beforeEach(() => {
vi.resetAllMocks();
process.env = { ...originalEnv };
// Mock date to be consistent
vi.setSystemTime(new Date('2025-08-20T00:00:00.000Z'));
// Provide a default mock for execSync to avoid toString() on undefined
vi.mocked(execSync).mockReturnValue('');
});
afterEach(() => {
process.env = originalEnv;
vi.useRealTimers();
});
it('should generate a nightly version and get previous tag', () => {
process.env.IS_NIGHTLY = 'true';
vi.mocked(execSync).mockImplementation((command) => {
if (command.includes('git tag')) {
return 'v0.1.0\nv0.0.1';
}
if (command.includes('git rev-parse')) {
return 'abcdef';
}
if (command.includes('gh release list')) {
return 'v0.3.0-nightly.20250819.abcdef';
}
return '';
});
const result = getReleaseVersion();
expect(result).toEqual({
releaseTag: 'v0.3.0-nightly.20250820.abcdef',
releaseVersion: '0.3.0-nightly.20250820.abcdef',
npmTag: 'nightly',
previousReleaseTag: 'v0.3.0-nightly.20250819.abcdef',
});
});
it('should generate a preview version and get previous tag', () => {
process.env.IS_PREVIEW = 'true';
vi.mocked(execSync).mockImplementation((command) => {
if (command.includes('git tag')) {
return 'v0.1.0\nv0.0.1';
}
if (command.includes('gh release list')) {
return 'v0.1.0'; // Previous stable release
}
return '';
});
const result = getReleaseVersion();
expect(result).toEqual({
releaseTag: 'v0.2.0-preview',
releaseVersion: '0.2.0-preview',
npmTag: 'preview',
previousReleaseTag: 'v0.1.0',
});
});
it('should use the manual version and get previous tag', () => {
process.env.MANUAL_VERSION = 'v0.1.1';
vi.mocked(execSync).mockImplementation((command) => {
if (command.includes('gh release list')) {
return 'v0.1.0'; // Previous stable release
}
return '';
});
const result = getReleaseVersion();
expect(result).toEqual({
releaseTag: 'v0.1.1',
releaseVersion: '0.1.1',
npmTag: 'latest',
previousReleaseTag: 'v0.1.0',
});
});
it('should prepend v to manual version if missing', () => {
process.env.MANUAL_VERSION = '1.2.3';
const { releaseTag } = getReleaseVersion();
expect(releaseTag).toBe('v1.2.3');
});
it('should handle pre-release versions correctly', () => {
process.env.MANUAL_VERSION = 'v1.2.3-beta.1';
const { releaseTag, releaseVersion, npmTag } = getReleaseVersion();
expect(releaseTag).toBe('v1.2.3-beta.1');
expect(releaseVersion).toBe('1.2.3-beta.1');
expect(npmTag).toBe('beta');
});
it('should throw an error for invalid version format', () => {
process.env.MANUAL_VERSION = '1.2';
expect(() => getReleaseVersion()).toThrow(
'Error: Version must be in the format vX.Y.Z or vX.Y.Z-prerelease',
);
});
it('should throw an error if no version is provided for non-nightly/preview release', () => {
expect(() => getReleaseVersion()).toThrow(
'Error: No version specified and this is not a nightly or preview release.',
);
});
it('should throw an error for versions with build metadata', () => {
process.env.MANUAL_VERSION = 'v1.2.3+build456';
expect(() => getReleaseVersion()).toThrow(
'Error: Versions with build metadata (+) are not supported for releases.',
);
});
it('should correctly calculate the next version from a patch release', () => {
process.env.IS_PREVIEW = 'true';
vi.mocked(execSync).mockImplementation((command) => {
if (command.includes('git tag')) {
return 'v1.1.3\nv1.1.2\nv1.1.1\nv1.1.0\nv1.0.0';
}
if (command.includes('gh release list')) {
return 'v1.1.3';
}
return '';
});
const result = getReleaseVersion();
expect(result.releaseTag).toBe('v1.2.0-preview');
});
});
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