DeepSource MCP Server

/** * @fileoverview Tests for the version module */ import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'; import { readFileSync } from 'fs'; // Mock fs module vi.mock('fs', () => ({ readFileSync: vi.fn(), })); describe('Version Module', () => { beforeEach(() => { // Clear module cache to ensure fresh imports vi.resetModules(); }); afterEach(() => { vi.clearAllMocks(); }); describe('VERSION constant', () => { it('should read version from package.json when available', async () => { const mockPackageJson = { version: '1.5.0' }; vi.mocked(readFileSync).mockReturnValue(JSON.stringify(mockPackageJson)); const { VERSION } = await import('../version.js'); expect(VERSION).toBe('1.5.0'); }); it('should fallback to dev version when package.json is not found', async () => { vi.mocked(readFileSync).mockImplementation(() => { throw new Error('File not found'); }); const { VERSION } = await import('../version.js'); // Should fallback to 0.0.0-dev when package.json is not found expect(VERSION).toBe('0.0.0-dev'); }); it('should handle invalid JSON in package.json', async () => { vi.mocked(readFileSync).mockReturnValue('invalid json'); const { VERSION } = await import('../version.js'); expect(VERSION).toBe('0.0.0-dev'); }); it('should handle package.json without version field', async () => { vi.mocked(readFileSync).mockReturnValue(JSON.stringify({ name: 'test' })); const { VERSION } = await import('../version.js'); expect(VERSION).toBe('0.0.0-dev'); }); }); describe('getVersion function', () => { it('should return the current version', async () => { const mockPackageJson = { version: '2.0.1' }; vi.mocked(readFileSync).mockReturnValue(JSON.stringify(mockPackageJson)); const { getVersion } = await import('../version.js'); expect(getVersion()).toBe('2.0.1'); }); }); describe('parseVersion function', () => { it('should parse valid semver version', async () => { const { parseVersion } = await import('../version.js'); const result = parseVersion('1.2.3'); expect(result).toEqual({ version: '1.2.3', major: 1, minor: 2, patch: 3, }); }); it('should parse version with prerelease', async () => { const { parseVersion } = await import('../version.js'); const result = parseVersion('1.2.3-beta.1'); expect(result).toEqual({ version: '1.2.3-beta.1', major: 1, minor: 2, patch: 3, prerelease: 'beta.1', }); }); it('should parse version with build metadata', async () => { const { parseVersion } = await import('../version.js'); const result = parseVersion('1.2.3+build.123'); expect(result).toEqual({ version: '1.2.3+build.123', major: 1, minor: 2, patch: 3, build: 'build.123', }); }); it('should parse version with prerelease and build', async () => { const { parseVersion } = await import('../version.js'); const result = parseVersion('1.2.3-rc.1+build.456'); expect(result).toEqual({ version: '1.2.3-rc.1+build.456', major: 1, minor: 2, patch: 3, prerelease: 'rc.1', build: 'build.456', }); }); it('should return null for invalid version', async () => { const { parseVersion } = await import('../version.js'); expect(parseVersion('invalid')).toBeNull(); expect(parseVersion('1.2')).toBeNull(); expect(parseVersion('1.2.a')).toBeNull(); expect(parseVersion('')).toBeNull(); }); }); describe('validateVersion function', () => { it('should validate correct semver versions', async () => { const { validateVersion } = await import('../version.js'); expect(validateVersion('1.2.3')).toBe(true); expect(validateVersion('0.0.0')).toBe(true); expect(validateVersion('10.20.30')).toBe(true); expect(validateVersion('1.0.0-alpha')).toBe(true); expect(validateVersion('1.0.0+build')).toBe(true); expect(validateVersion('1.0.0-alpha+build')).toBe(true); }); it('should reject invalid versions', async () => { const { validateVersion } = await import('../version.js'); expect(validateVersion('invalid')).toBe(false); expect(validateVersion('1.2')).toBe(false); expect(validateVersion('1.2.a')).toBe(false); expect(validateVersion('')).toBe(false); expect(validateVersion('v1.2.3')).toBe(false); }); }); describe('compareVersions function', () => { it('should compare major versions correctly', async () => { const { compareVersions } = await import('../version.js'); expect(compareVersions('2.0.0', '1.0.0')).toBe(1); expect(compareVersions('1.0.0', '2.0.0')).toBe(-1); expect(compareVersions('1.0.0', '1.0.0')).toBe(0); }); it('should compare minor versions correctly', async () => { const { compareVersions } = await import('../version.js'); expect(compareVersions('1.2.0', '1.1.0')).toBe(1); expect(compareVersions('1.1.0', '1.2.0')).toBe(-1); expect(compareVersions('1.1.0', '1.1.0')).toBe(0); }); it('should compare patch versions correctly', async () => { const { compareVersions } = await import('../version.js'); expect(compareVersions('1.1.2', '1.1.1')).toBe(1); expect(compareVersions('1.1.1', '1.1.2')).toBe(-1); expect(compareVersions('1.1.1', '1.1.1')).toBe(0); }); it('should handle prerelease versions correctly', async () => { const { compareVersions } = await import('../version.js'); // Release version is higher than prerelease expect(compareVersions('1.0.0', '1.0.0-alpha')).toBe(1); expect(compareVersions('1.0.0-alpha', '1.0.0')).toBe(-1); // Compare prerelease versions alphabetically expect(compareVersions('1.0.0-beta', '1.0.0-alpha')).toBe(1); expect(compareVersions('1.0.0-alpha', '1.0.0-beta')).toBe(-1); expect(compareVersions('1.0.0-alpha', '1.0.0-alpha')).toBe(0); }); it('should throw error for invalid versions', async () => { const { compareVersions } = await import('../version.js'); expect(() => compareVersions('invalid', '1.0.0')).toThrow('Invalid version format'); expect(() => compareVersions('1.0.0', 'invalid')).toThrow('Invalid version format'); }); }); describe('getVersionInfo function', () => { it('should return detailed version information', async () => { const mockPackageJson = { version: '3.2.1-beta.2+build.789' }; vi.mocked(readFileSync).mockReturnValue(JSON.stringify(mockPackageJson)); const { getVersionInfo } = await import('../version.js'); const info = getVersionInfo(); expect(info).toEqual({ version: '3.2.1-beta.2+build.789', major: 3, minor: 2, patch: 1, prerelease: 'beta.2', build: 'build.789', }); }); it('should handle fallback version', async () => { vi.mocked(readFileSync).mockImplementation(() => { throw new Error('File not found'); }); const { getVersionInfo } = await import('../version.js'); const info = getVersionInfo(); expect(info).toEqual({ version: '0.0.0-dev', major: 0, minor: 0, patch: 0, prerelease: 'dev', }); }); }); describe('getFormattedVersion function', () => { beforeEach(() => { const mockPackageJson = { version: '1.2.3-rc.1+build.456' }; vi.mocked(readFileSync).mockReturnValue(JSON.stringify(mockPackageJson)); }); it('should format version with all components by default', async () => { const { getFormattedVersion } = await import('../version.js'); expect(getFormattedVersion()).toBe('1.2.3-rc.1'); }); it('should exclude prerelease when requested', async () => { const { getFormattedVersion } = await import('../version.js'); expect(getFormattedVersion(false)).toBe('1.2.3'); }); it('should include build metadata when requested', async () => { const { getFormattedVersion } = await import('../version.js'); expect(getFormattedVersion(true, true)).toBe('1.2.3-rc.1+build.456'); }); it('should handle version without prerelease or build', async () => { const mockPackageJson = { version: '1.2.3' }; vi.mocked(readFileSync).mockReturnValue(JSON.stringify(mockPackageJson)); vi.resetModules(); const { getFormattedVersion } = await import('../version.js'); expect(getFormattedVersion()).toBe('1.2.3'); expect(getFormattedVersion(false, true)).toBe('1.2.3'); }); }); });