import { describe, it, expect } from 'vitest';
import type { AdapterDependencies } from '@debugmcp/shared';
import { DebugFeature, DebugLanguage } from '@debugmcp/shared';
import { MockAdapterFactory, createMockAdapterFactory } from '../../src/mock-adapter-factory.js';
import { MockDebugAdapter } from '../../src/mock-debug-adapter.js';
const createDependencies = (): AdapterDependencies & {
logger: { info: () => void; debug: () => void; error: () => void };
} => ({
fileSystem: {} as unknown,
processLauncher: {} as unknown,
environment: {
get: () => undefined,
getAll: () => ({}),
getCurrentWorkingDirectory: () => process.cwd()
},
logger: {
info: () => undefined,
debug: () => undefined,
error: () => undefined
}
});
describe('MockAdapterFactory', () => {
it('creates MockDebugAdapter instances using provided configuration', () => {
const factory = new MockAdapterFactory({
supportedFeatures: [DebugFeature.LOG_POINTS],
defaultDelay: 250
});
const adapter = factory.createAdapter(createDependencies());
expect(adapter).toBeInstanceOf(MockDebugAdapter);
expect(adapter.supportsFeature(DebugFeature.LOG_POINTS)).toBe(true);
});
it('exposes accurate metadata for the mock adapter', () => {
const metadata = new MockAdapterFactory().getMetadata();
expect(metadata).toMatchObject({
language: DebugLanguage.MOCK,
displayName: 'Mock Debug Adapter',
version: '1.0.0',
author: 'MCP Debugger Team',
fileExtensions: ['.mock', '.test']
});
});
it('validates successfully with default configuration', async () => {
const result = await new MockAdapterFactory().validate();
expect(result.valid).toBe(true);
expect(result.errors).toEqual([]);
expect(result.warnings).toEqual([]);
expect(result.details.config).toEqual({});
});
it('reports warning when error probability is high', async () => {
const factory = new MockAdapterFactory({ errorProbability: 0.8 });
const result = await factory.validate();
expect(result.valid).toBe(true);
expect(result.warnings).toContain('High error probability configured: 80%');
});
it('reports warning when default delay is large', async () => {
const factory = new MockAdapterFactory({ defaultDelay: 2500 });
const result = await factory.validate();
expect(result.valid).toBe(true);
expect(result.warnings).toContain('High default delay configured: 2500ms may slow down tests');
});
it('createMockAdapterFactory helper forwards configuration', () => {
const factory = createMockAdapterFactory({
supportedFeatures: [DebugFeature.SET_VARIABLE]
});
const adapter = factory.createAdapter(createDependencies());
expect(factory).toBeInstanceOf(MockAdapterFactory);
expect(adapter.supportsFeature(DebugFeature.SET_VARIABLE)).toBe(true);
});
});
