/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { getInstallationInfo, PackageManager } from './installationInfo.js';
import { updateEventEmitter } from './updateEventEmitter.js';
import EventEmitter from 'node:events';
import { handleAutoUpdate, setUpdateHandler } from './handleAutoUpdate.js';
import { MessageType } from '../ui/types.js';
vi.mock('./installationInfo.js', async () => {
    const actual = await vi.importActual('./installationInfo.js');
    return {
        ...actual,
        getInstallationInfo: vi.fn(),
    };
});
vi.mock('./updateEventEmitter.js', async (importOriginal) => importOriginal());
const mockGetInstallationInfo = vi.mocked(getInstallationInfo);
describe('handleAutoUpdate', () => {
    let mockSpawn;
    let mockUpdateInfo;
    let mockSettings;
    let mockChildProcess;
    beforeEach(() => {
        vi.stubEnv('GEMINI_SANDBOX', '');
        vi.stubEnv('SANDBOX', '');
        mockSpawn = vi.fn();
        vi.clearAllMocks();
        vi.spyOn(updateEventEmitter, 'emit');
        mockUpdateInfo = {
            update: {
                latest: '2.0.0',
                current: '1.0.0',
                type: 'major',
                name: '@google/gemini-cli',
            },
            message: 'An update is available!',
        };
        mockSettings = {
            merged: {
                general: {
                    enableAutoUpdate: true,
                    enableAutoUpdateNotification: true,
                },
                tools: {
                    sandbox: false,
                },
            },
        };
        mockChildProcess = Object.assign(new EventEmitter(), {
            stdin: Object.assign(new EventEmitter(), {
                write: vi.fn(),
                end: vi.fn(),
            }),
            unref: vi.fn(),
        });
        mockSpawn.mockReturnValue(mockChildProcess);
    });
    afterEach(() => {
        vi.unstubAllEnvs();
        vi.clearAllMocks();
    });
    it('should do nothing if update info is null', () => {
        handleAutoUpdate(null, mockSettings, '/root', mockSpawn);
        expect(mockGetInstallationInfo).not.toHaveBeenCalled();
        expect(updateEventEmitter.emit).not.toHaveBeenCalled();
        expect(mockSpawn).not.toHaveBeenCalled();
    });
    it('should do nothing if update prompts are disabled', () => {
        mockSettings.merged.general.enableAutoUpdateNotification = false;
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(mockGetInstallationInfo).not.toHaveBeenCalled();
        expect(updateEventEmitter.emit).not.toHaveBeenCalled();
        expect(mockSpawn).not.toHaveBeenCalled();
    });
    it('should emit "update-received" but not update if auto-updates are disabled', () => {
        mockSettings.merged.general.enableAutoUpdate = false;
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: 'npm i -g @google/gemini-cli@latest',
            updateMessage: 'Please update manually.',
            isGlobal: true,
            packageManager: PackageManager.NPM,
        });
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(updateEventEmitter.emit).toHaveBeenCalledTimes(1);
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-received', {
            message: 'An update is available!\nPlease update manually.',
        });
        expect(mockSpawn).not.toHaveBeenCalled();
    });
    it.each([PackageManager.NPX, PackageManager.PNPX, PackageManager.BUNX])('should suppress update notifications when running via %s', (packageManager) => {
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: undefined,
            updateMessage: `Running via ${packageManager}, update not applicable.`,
            isGlobal: false,
            packageManager,
        });
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(updateEventEmitter.emit).not.toHaveBeenCalled();
        expect(mockSpawn).not.toHaveBeenCalled();
    });
    it('should emit "update-received" but not update if no update command is found', () => {
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: undefined,
            updateMessage: 'Cannot determine update command.',
            isGlobal: false,
            packageManager: PackageManager.NPM,
        });
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(updateEventEmitter.emit).toHaveBeenCalledTimes(1);
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-received', {
            message: 'An update is available!\nCannot determine update command.',
        });
        expect(mockSpawn).not.toHaveBeenCalled();
    });
    it('should combine update messages correctly', () => {
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: undefined, // No command to prevent spawn
            updateMessage: 'This is an additional message.',
            isGlobal: false,
            packageManager: PackageManager.NPM,
        });
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(updateEventEmitter.emit).toHaveBeenCalledTimes(1);
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-received', {
            message: 'An update is available!\nThis is an additional message.',
        });
    });
    it('should attempt to perform an update when conditions are met', async () => {
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: 'npm i -g @google/gemini-cli@latest',
            updateMessage: 'This is an additional message.',
            isGlobal: false,
            packageManager: PackageManager.NPM,
        });
        // Simulate successful execution
        setTimeout(() => {
            mockChildProcess.emit('close', 0);
        }, 0);
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(mockSpawn).toHaveBeenCalledOnce();
    });
    it('should emit "update-failed" when the update process fails', async () => {
        await new Promise((resolve) => {
            mockGetInstallationInfo.mockReturnValue({
                updateCommand: 'npm i -g @google/gemini-cli@latest',
                updateMessage: 'This is an additional message.',
                isGlobal: false,
                packageManager: PackageManager.NPM,
            });
            // Simulate failed execution
            setTimeout(() => {
                mockChildProcess.emit('close', 1);
                resolve();
            }, 0);
            handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        });
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-failed', {
            message: 'Automatic update failed. Please try updating manually. (command: npm i -g @google/gemini-cli@2.0.0)',
        });
    });
    it('should emit "update-failed" when the spawn function throws an error', async () => {
        await new Promise((resolve) => {
            mockGetInstallationInfo.mockReturnValue({
                updateCommand: 'npm i -g @google/gemini-cli@latest',
                updateMessage: 'This is an additional message.',
                isGlobal: false,
                packageManager: PackageManager.NPM,
            });
            // Simulate an error event
            setTimeout(() => {
                mockChildProcess.emit('error', new Error('Spawn error'));
                resolve();
            }, 0);
            handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        });
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-failed', {
            message: 'Automatic update failed. Please try updating manually. (error: Spawn error)',
        });
    });
    it('should use the "@nightly" tag for nightly updates', async () => {
        mockUpdateInfo = {
            ...mockUpdateInfo,
            update: {
                ...mockUpdateInfo.update,
                latest: '2.0.0-nightly',
            },
        };
        mockGetInstallationInfo.mockReturnValue({
            updateCommand: 'npm i -g @google/gemini-cli@latest',
            updateMessage: 'This is an additional message.',
            isGlobal: false,
            packageManager: PackageManager.NPM,
        });
        handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        expect(mockSpawn).toHaveBeenCalledWith('npm i -g @google/gemini-cli@nightly', {
            shell: true,
            stdio: 'ignore',
            detached: true,
        });
    });
    it('should emit "update-success" when the update process succeeds', async () => {
        await new Promise((resolve) => {
            mockGetInstallationInfo.mockReturnValue({
                updateCommand: 'npm i -g @google/gemini-cli@latest',
                updateMessage: 'This is an additional message.',
                isGlobal: false,
                packageManager: PackageManager.NPM,
            });
            // Simulate successful execution
            setTimeout(() => {
                mockChildProcess.emit('close', 0);
                resolve();
            }, 0);
            handleAutoUpdate(mockUpdateInfo, mockSettings, '/root', mockSpawn);
        });
        expect(updateEventEmitter.emit).toHaveBeenCalledWith('update-success', {
            message: 'Update successful! The new version will be used on your next run.',
        });
    });
});
describe('setUpdateHandler', () => {
    let addItem;
    let setUpdateInfo;
    let unregister;
    beforeEach(() => {
        addItem = vi.fn();
        setUpdateInfo = vi.fn();
        vi.useFakeTimers();
        unregister = setUpdateHandler(addItem, setUpdateInfo);
    });
    afterEach(() => {
        unregister();
        vi.useRealTimers();
        vi.clearAllMocks();
    });
    it('should register event listeners', () => {
        // We can't easily check if listeners are registered on the real EventEmitter
        // without mocking it more deeply, but we can check if they respond to events.
        expect(unregister).toBeInstanceOf(Function);
    });
    it('should handle update-received event', () => {
        const updateInfo = {
            update: {
                latest: '2.0.0',
                current: '1.0.0',
                type: 'major',
                name: '@google/gemini-cli',
            },
            message: 'Update available',
        };
        // Access the actual emitter to emit events
        updateEventEmitter.emit('update-received', updateInfo);
        expect(setUpdateInfo).toHaveBeenCalledWith(updateInfo);
        // Advance timers to trigger timeout
        vi.advanceTimersByTime(60000);
        expect(addItem).toHaveBeenCalledWith({
            type: MessageType.INFO,
            text: 'Update available',
        }, expect.any(Number));
        expect(setUpdateInfo).toHaveBeenCalledWith(null);
    });
    it('should handle update-failed event', () => {
        updateEventEmitter.emit('update-failed', { message: 'Failed' });
        expect(setUpdateInfo).toHaveBeenCalledWith(null);
        expect(addItem).toHaveBeenCalledWith({
            type: MessageType.ERROR,
            text: 'Automatic update failed. Please try updating manually',
        }, expect.any(Number));
    });
    it('should handle update-success event', () => {
        updateEventEmitter.emit('update-success', { message: 'Success' });
        expect(setUpdateInfo).toHaveBeenCalledWith(null);
        expect(addItem).toHaveBeenCalledWith({
            type: MessageType.INFO,
            text: 'Update successful! The new version will be used on your next run.',
        }, expect.any(Number));
    });
    it('should not show update-received message if update-success was called', () => {
        const updateInfo = {
            update: {
                latest: '2.0.0',
                current: '1.0.0',
                type: 'major',
                name: '@google/gemini-cli',
            },
            message: 'Update available',
        };
        updateEventEmitter.emit('update-received', updateInfo);
        updateEventEmitter.emit('update-success', { message: 'Success' });
        // Advance timers
        vi.advanceTimersByTime(60000);
        // Should only have called addItem for success, not for received (after timeout)
        expect(addItem).toHaveBeenCalledTimes(1);
        expect(addItem).toHaveBeenCalledWith({
            type: MessageType.INFO,
            text: 'Update successful! The new version will be used on your next run.',
        }, expect.any(Number));
    });
    it('should handle update-info event', () => {
        updateEventEmitter.emit('update-info', { message: 'Info message' });
        expect(addItem).toHaveBeenCalledWith({
            type: MessageType.INFO,
            text: 'Info message',
        }, expect.any(Number));
    });
});
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