simctl-uninstall.test.ts•11.2 kB
import { simctlUninstallTool } from '../../../src/tools/simctl/uninstall.js';
import { simulatorCache } from '../../../src/state/simulator-cache.js';
import { McpError } from '@modelcontextprotocol/sdk/types.js';
// Mock the simulator cache
jest.mock('../../../src/state/simulator-cache.js', () => ({
simulatorCache: {
findSimulatorByUdid: jest.fn(),
getSimulatorList: jest.fn(),
},
}));
// Mock command execution
jest.mock('../../../src/utils/command.js', () => ({
executeCommand: jest.fn().mockResolvedValue({
code: 0,
stdout: '',
stderr: '',
}),
}));
const mockSimulatorCache = simulatorCache as jest.Mocked<typeof simulatorCache>;
describe('simctlUninstallTool', () => {
const validUDID = 'device-iphone16pro';
const validBundleID = 'com.example.MyApp';
const validSimulator = {
name: 'iPhone 16 Pro',
udid: validUDID,
state: 'Booted',
isAvailable: true,
};
beforeEach(() => {
jest.clearAllMocks();
mockSimulatorCache.findSimulatorByUdid.mockResolvedValue(validSimulator as any);
});
describe('successful uninstallation', () => {
it('should uninstall app from simulator', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(false);
const response = JSON.parse(result.content[0].text);
expect(response.success).toBe(true);
expect(response.udid).toBe(validUDID);
expect(response.bundleId).toBe(validBundleID);
});
it('should return simulator information', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
const response = JSON.parse(result.content[0].text);
expect(response.simulatorInfo).toBeDefined();
expect(response.simulatorInfo.name).toBe('iPhone 16 Pro');
expect(response.simulatorInfo.udid).toBe(validUDID);
});
it('should provide next steps guidance', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
const response = JSON.parse(result.content[0].text);
expect(response.guidance).toBeDefined();
expect(Array.isArray(response.guidance)).toBe(true);
expect(response.guidance.length).toBeGreaterThan(0);
});
it('should format response correctly', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.content).toBeDefined();
expect(result.content[0]).toBeDefined();
expect(result.content[0].type).toBe('text');
expect(typeof result.content[0].text).toBe('string');
expect(result.isError).toBe(false);
});
});
describe('input validation', () => {
it('should reject empty UDID', async () => {
await expect(
simctlUninstallTool({
udid: '',
bundleId: validBundleID,
})
).rejects.toThrow(McpError);
});
it('should reject empty bundle ID', async () => {
await expect(
simctlUninstallTool({
udid: validUDID,
bundleId: '',
})
).rejects.toThrow(McpError);
});
it('should reject invalid bundle ID format', async () => {
await expect(
simctlUninstallTool({
udid: validUDID,
bundleId: 'invalid bundle id',
})
).rejects.toThrow(McpError);
});
it('should reject non-existent simulator', async () => {
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce(null);
await expect(
simctlUninstallTool({
udid: 'invalid-udid',
bundleId: validBundleID,
})
).rejects.toThrow(McpError);
});
it('should handle whitespace-only inputs', async () => {
await expect(
simctlUninstallTool({
udid: ' ',
bundleId: ' ',
})
).rejects.toThrow(McpError);
});
});
describe('bundle ID variations', () => {
it('should handle standard Apple bundle IDs', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: 'com.apple.mobilesafari',
});
const response = JSON.parse(result.content[0].text);
expect(response.bundleId).toBe('com.apple.mobilesafari');
});
it('should handle bundle IDs with hyphens', async () => {
const bundleId = 'com.example.my-app';
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: bundleId,
});
const response = JSON.parse(result.content[0].text);
expect(response.bundleId).toBe(bundleId);
});
it('should handle bundle IDs with numbers', async () => {
const bundleId = 'com.example.app2';
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: bundleId,
});
const response = JSON.parse(result.content[0].text);
expect(response.bundleId).toBe(bundleId);
});
it('should handle very long bundle IDs', async () => {
const bundleId = 'com.' + 'a'.repeat(200) + '.app';
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: bundleId,
});
const response = JSON.parse(result.content[0].text);
expect(response.bundleId).toBe(bundleId);
});
});
describe('simulator state handling', () => {
it('should work with booted simulator', async () => {
const bootedSimulator = { ...validSimulator, state: 'Booted' };
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce(bootedSimulator as any);
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(false);
});
it('should work with shutdown simulator', async () => {
const shutdownSimulator = { ...validSimulator, state: 'Shutdown' };
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce(shutdownSimulator as any);
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(false);
});
it('should work with unavailable simulator', async () => {
const unavailableSimulator = { ...validSimulator, isAvailable: false };
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce(unavailableSimulator as any);
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(false);
const response = JSON.parse(result.content[0].text);
expect(response.simulatorInfo.isAvailable).toBe(false);
});
});
describe('error handling', () => {
it('should handle app not installed error', async () => {
const { executeCommand } = require('../../../src/utils/command.js');
executeCommand.mockResolvedValueOnce({
code: 1,
stdout: '',
stderr: 'Error: App with bundle identifier not installed',
});
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(true);
const response = JSON.parse(result.content[0].text);
expect(response.error).toContain('not installed');
});
it('should handle command execution failure', async () => {
const { executeCommand } = require('../../../src/utils/command.js');
executeCommand.mockRejectedValueOnce(new Error('Uninstall failed'));
await expect(
simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
})
).rejects.toThrow(McpError);
});
it('should handle simulator cache lookup error', async () => {
mockSimulatorCache.findSimulatorByUdid.mockRejectedValueOnce(new Error('Cache error'));
await expect(
simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
})
).rejects.toThrow(McpError);
});
it('should provide helpful error messages', async () => {
const { executeCommand } = require('../../../src/utils/command.js');
executeCommand.mockResolvedValueOnce({
code: 1,
stdout: '',
stderr: 'Unable to uninstall: permission denied',
});
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(true);
const response = JSON.parse(result.content[0].text);
expect(response.error).toBeDefined();
});
});
describe('response format', () => {
it('should include all required fields on success', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
const response = JSON.parse(result.content[0].text);
expect(response).toHaveProperty('success');
expect(response).toHaveProperty('udid');
expect(response).toHaveProperty('bundleId');
expect(response).toHaveProperty('simulatorInfo');
expect(response).toHaveProperty('guidance');
});
it('should include error details on failure', async () => {
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce(null);
await expect(
simctlUninstallTool({
udid: 'invalid',
bundleId: validBundleID,
})
).rejects.toThrow(McpError);
});
it('should be valid JSON', async () => {
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
// Should not throw
const response = JSON.parse(result.content[0].text);
expect(response).toBeDefined();
});
});
describe('edge cases', () => {
it('should handle uninstalling non-existent app gracefully', async () => {
const { executeCommand } = require('../../../src/utils/command.js');
executeCommand.mockResolvedValueOnce({
code: 1,
stdout: '',
stderr: 'Error: not found',
});
const result = await simctlUninstallTool({
udid: validUDID,
bundleId: 'com.nonexistent.app',
});
expect(result.isError).toBe(true);
});
it('should handle concurrent uninstalls', async () => {
const result1 = await simctlUninstallTool({
udid: validUDID,
bundleId: validBundleID,
});
const result2 = await simctlUninstallTool({
udid: validUDID,
bundleId: 'com.example.other',
});
// Both should handle gracefully
expect(result1.content).toBeDefined();
expect(result2.content).toBeDefined();
});
it('should handle very long UDID values', async () => {
const longUDID = 'a'.repeat(100);
mockSimulatorCache.findSimulatorByUdid.mockResolvedValueOnce({
...validSimulator,
udid: longUDID,
} as any);
const result = await simctlUninstallTool({
udid: longUDID,
bundleId: validBundleID,
});
expect(result.isError).toBe(false);
});
});
});