Merge pull request #1236 from afarber/1102-add-slash-language

test(cli): add tests for /language command and fix LLM output language parsing
This commit is contained in:
pomelo
2025-12-13 12:00:18 +08:00
committed by GitHub
3 changed files with 593 additions and 4 deletions

View File

@@ -60,6 +60,7 @@ export const createMockCommandContext = (
toggleVimEnabled: vi.fn(),
extensionsUpdateState: new Map(),
setExtensionsUpdateState: vi.fn(),
reloadCommands: vi.fn(),
// eslint-disable-next-line @typescript-eslint/no-explicit-any
} as any,
session: {

View File

@@ -0,0 +1,587 @@
/**
* @license
* Copyright 2025 Qwen
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import * as fs from 'node:fs';
import { type CommandContext, CommandKind } from './types.js';
import { createMockCommandContext } from '../../test-utils/mockCommandContext.js';
// Mock i18n module
vi.mock('../../i18n/index.js', () => ({
setLanguageAsync: vi.fn().mockResolvedValue(undefined),
getCurrentLanguage: vi.fn().mockReturnValue('en'),
t: vi.fn((key: string) => key),
}));
// Mock settings module to avoid Storage side effect
vi.mock('../../config/settings.js', () => ({
SettingScope: {
User: 'user',
Workspace: 'workspace',
Default: 'default',
},
}));
// Mock fs module
vi.mock('node:fs', async (importOriginal) => {
const actual = await importOriginal<typeof import('node:fs')>();
return {
...actual,
existsSync: vi.fn(),
readFileSync: vi.fn(),
writeFileSync: vi.fn(),
mkdirSync: vi.fn(),
default: {
...actual,
existsSync: vi.fn(),
readFileSync: vi.fn(),
writeFileSync: vi.fn(),
mkdirSync: vi.fn(),
},
};
});
// Mock Storage from core
vi.mock('@qwen-code/qwen-code-core', async (importOriginal) => {
const actual = await importOriginal<typeof import('@qwen-code/qwen-code-core')>();
return {
...actual,
Storage: {
getGlobalQwenDir: vi.fn().mockReturnValue('/mock/.qwen'),
getGlobalSettingsPath: vi.fn().mockReturnValue('/mock/.qwen/settings.json'),
},
};
});
// Import modules after mocking
import * as i18n from '../../i18n/index.js';
import { languageCommand } from './languageCommand.js';
describe('languageCommand', () => {
let mockContext: CommandContext;
beforeEach(() => {
vi.clearAllMocks();
mockContext = createMockCommandContext({
services: {
config: {
getModel: vi.fn().mockReturnValue('test-model'),
},
settings: {
merged: {},
setValue: vi.fn(),
},
},
});
// Reset i18n mocks
vi.mocked(i18n.getCurrentLanguage).mockReturnValue('en');
vi.mocked(i18n.t).mockImplementation((key: string) => key);
// Reset fs mocks
vi.mocked(fs.existsSync).mockReturnValue(false);
});
afterEach(() => {
vi.clearAllMocks();
});
describe('command metadata', () => {
it('should have the correct name', () => {
expect(languageCommand.name).toBe('language');
});
it('should have a description', () => {
expect(languageCommand.description).toBeDefined();
expect(typeof languageCommand.description).toBe('string');
});
it('should be a built-in command', () => {
expect(languageCommand.kind).toBe(CommandKind.BUILT_IN);
});
it('should have subcommands', () => {
expect(languageCommand.subCommands).toBeDefined();
expect(languageCommand.subCommands?.length).toBe(2);
});
it('should have ui and output subcommands', () => {
const subCommandNames = languageCommand.subCommands?.map((c) => c.name);
expect(subCommandNames).toContain('ui');
expect(subCommandNames).toContain('output');
});
});
describe('main command action - no arguments', () => {
it('should show current language settings when no arguments provided', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Current UI language:'),
});
});
it('should show available subcommands in help', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('/language ui'),
});
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('/language output'),
});
});
it('should show LLM output language when set', async () => {
vi.mocked(fs.existsSync).mockReturnValue(true);
vi.mocked(fs.readFileSync).mockReturnValue(
'# CRITICAL: Chinese Output Language Rule - HIGHEST PRIORITY',
);
// Make t() function handle interpolation for this test
vi.mocked(i18n.t).mockImplementation(
(key: string, params?: Record<string, string>) => {
if (params && key.includes('{{lang}}')) {
return key.replace('{{lang}}', params['lang'] || '');
}
return key;
},
);
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Current UI language:'),
});
// Verify it correctly parses "Chinese" from the template format
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Chinese'),
});
});
});
describe('main command action - config not available', () => {
it('should return error when config is null', async () => {
mockContext.services.config = null;
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, '');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: expect.stringContaining('Configuration not available'),
});
});
});
describe('/language ui subcommand', () => {
it('should show help when no language argument provided', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Usage: /language ui'),
});
});
it('should set English with "en"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui en');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(mockContext.services.settings.setValue).toHaveBeenCalled();
expect(mockContext.ui.reloadCommands).toHaveBeenCalled();
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set English with "en-US"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui en-US');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set English with "english"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui english');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set Chinese with "zh"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui zh');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('zh');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set Chinese with "zh-CN"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui zh-CN');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('zh');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set Chinese with "chinese"', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui chinese');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('zh');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should return error for invalid language', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'ui invalid');
expect(i18n.setLanguageAsync).not.toHaveBeenCalled();
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: expect.stringContaining('Invalid language'),
});
});
it('should persist setting to user scope', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
await languageCommand.action(mockContext, 'ui en');
expect(mockContext.services.settings.setValue).toHaveBeenCalledWith(
expect.anything(), // SettingScope.User
'general.language',
'en',
);
});
});
describe('/language output subcommand', () => {
it('should show help when no language argument provided', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'output');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('Usage: /language output'),
});
});
it('should create LLM output language rule file', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'output Chinese');
expect(fs.mkdirSync).toHaveBeenCalled();
expect(fs.writeFileSync).toHaveBeenCalledWith(
expect.stringContaining('output-language.md'),
expect.stringContaining('Chinese'),
'utf-8',
);
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('LLM output language rule file generated'),
});
});
it('should include restart notice in success message', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'output Japanese');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('restart'),
});
});
it('should handle file write errors gracefully', async () => {
vi.mocked(fs.writeFileSync).mockImplementation(() => {
throw new Error('Permission denied');
});
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'output German');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: expect.stringContaining('Failed to generate'),
});
});
});
describe('backward compatibility - direct language arguments', () => {
it('should set Chinese with direct "zh" argument', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'zh');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('zh');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should set English with direct "en" argument', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'en');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should return error for unknown direct argument', async () => {
if (!languageCommand.action) {
throw new Error('The language command must have an action.');
}
const result = await languageCommand.action(mockContext, 'unknown');
expect(i18n.setLanguageAsync).not.toHaveBeenCalled();
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: expect.stringContaining('Invalid command'),
});
});
});
describe('ui subcommand object', () => {
const uiSubcommand = languageCommand.subCommands?.find(
(c) => c.name === 'ui',
);
it('should have correct metadata', () => {
expect(uiSubcommand).toBeDefined();
expect(uiSubcommand?.name).toBe('ui');
expect(uiSubcommand?.kind).toBe(CommandKind.BUILT_IN);
});
it('should have nested language subcommands', () => {
const nestedNames = uiSubcommand?.subCommands?.map((c) => c.name);
expect(nestedNames).toContain('zh-CN');
expect(nestedNames).toContain('en-US');
});
it('should have action that sets language', async () => {
if (!uiSubcommand?.action) {
throw new Error('UI subcommand must have an action.');
}
const result = await uiSubcommand.action(mockContext, 'en');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
});
describe('output subcommand object', () => {
const outputSubcommand = languageCommand.subCommands?.find(
(c) => c.name === 'output',
);
it('should have correct metadata', () => {
expect(outputSubcommand).toBeDefined();
expect(outputSubcommand?.name).toBe('output');
expect(outputSubcommand?.kind).toBe(CommandKind.BUILT_IN);
});
it('should have action that generates rule file', async () => {
if (!outputSubcommand?.action) {
throw new Error('Output subcommand must have an action.');
}
// Ensure mocks are properly set for this test
vi.mocked(fs.mkdirSync).mockImplementation(() => undefined);
vi.mocked(fs.writeFileSync).mockImplementation(() => undefined);
const result = await outputSubcommand.action(mockContext, 'French');
expect(fs.writeFileSync).toHaveBeenCalled();
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('LLM output language rule file generated'),
});
});
});
describe('nested ui language subcommands', () => {
const uiSubcommand = languageCommand.subCommands?.find(
(c) => c.name === 'ui',
);
const zhCNSubcommand = uiSubcommand?.subCommands?.find(
(c) => c.name === 'zh-CN',
);
const enUSSubcommand = uiSubcommand?.subCommands?.find(
(c) => c.name === 'en-US',
);
it('zh-CN should have aliases', () => {
expect(zhCNSubcommand?.altNames).toContain('zh');
expect(zhCNSubcommand?.altNames).toContain('chinese');
});
it('en-US should have aliases', () => {
expect(enUSSubcommand?.altNames).toContain('en');
expect(enUSSubcommand?.altNames).toContain('english');
});
it('zh-CN action should set Chinese', async () => {
if (!zhCNSubcommand?.action) {
throw new Error('zh-CN subcommand must have an action.');
}
const result = await zhCNSubcommand.action(mockContext, '');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('zh');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('en-US action should set English', async () => {
if (!enUSSubcommand?.action) {
throw new Error('en-US subcommand must have an action.');
}
const result = await enUSSubcommand.action(mockContext, '');
expect(i18n.setLanguageAsync).toHaveBeenCalledWith('en');
expect(result).toEqual({
type: 'message',
messageType: 'info',
content: expect.stringContaining('UI language changed'),
});
});
it('should reject extra arguments', async () => {
if (!zhCNSubcommand?.action) {
throw new Error('zh-CN subcommand must have an action.');
}
const result = await zhCNSubcommand.action(mockContext, 'extra args');
expect(result).toEqual({
type: 'message',
messageType: 'error',
content: expect.stringContaining('do not accept additional arguments'),
});
});
});
});

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@@ -81,8 +81,9 @@ function getCurrentLlmOutputLanguage(): string | null {
if (fs.existsSync(filePath)) {
try {
const content = fs.readFileSync(filePath, 'utf-8');
// Extract language name from the first line (e.g., "# Chinese Response Rules" -> "Chinese")
const match = content.match(/^#\s+(.+?)\s+Response Rules/i);
// Extract language name from the first line
// Template format: "# CRITICAL: Chinese Output Language Rule - HIGHEST PRIORITY"
const match = content.match(/^#.*?(\w+)\s+Output Language Rule/i);
if (match) {
return match[1];
}
@@ -127,7 +128,7 @@ async function setUiLanguage(
context.ui.reloadCommands();
// Map language codes to friendly display names
const langDisplayNames: Record<SupportedLanguage, string> = {
const langDisplayNames: Partial<Record<SupportedLanguage, string>> = {
zh: '中文zh-CN',
en: 'Englishen-US',
ru: 'Русский (ru-RU)',
@@ -137,7 +138,7 @@ async function setUiLanguage(
type: 'message',
messageType: 'info',
content: t('UI language changed to {{lang}}', {
lang: langDisplayNames[lang],
lang: langDisplayNames[lang] || lang,
}),
};
}