/**
* @fileoverview Unit tests for git-fetch tool
* @module tests/mcp-server/tools/definitions/unit/git-fetch.tool.test
*/
import { describe, it, expect, beforeEach, vi } from 'vitest';
import { container } from 'tsyringe';
import { gitFetchTool } from '@/mcp-server/tools/definitions/git-fetch.tool.js';
import {
GitProviderFactory as GitProviderFactoryToken,
StorageService as StorageServiceToken,
} from '@/container/tokens.js';
import {
createTestContext,
createTestSdkContext,
createMockGitProvider,
createMockStorageService,
assertJsonContent,
assertJsonField,
parseJsonContent,
assertProviderCalledWithContext,
assertLlmFriendlyFormat,
} from '../helpers/index.js';
import type { GitFetchResult } from '@/services/git/types.js';
import { GitProviderFactory } from '@/services/git/core/GitProviderFactory.js';
describe('git_fetch tool', () => {
const mockProvider = createMockGitProvider();
const mockStorage = createMockStorageService();
const mockFactory = {
getProvider: vi.fn(async () => mockProvider),
} as unknown as GitProviderFactory;
beforeEach(() => {
mockProvider.resetMocks();
mockStorage.clearAll();
container.clearInstances();
container.register(GitProviderFactoryToken, { useValue: mockFactory });
container.register(StorageServiceToken, { useValue: mockStorage });
const tenantId = 'test-tenant';
const context = createTestContext({ tenantId });
mockStorage.set(`session:workingDir:${tenantId}`, '/test/repo', context);
});
describe('Input Schema', () => {
it('validates correct input with defaults', () => {
const input = { path: '.' };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(true);
if (result.success) {
expect(result.data.prune).toBe(false);
expect(result.data.tags).toBe(false);
}
});
it('accepts remote name', () => {
const input = { path: '.', remote: 'upstream' };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(true);
if (result.success) {
expect(result.data.remote).toBe('upstream');
}
});
it('accepts prune flag', () => {
const input = { path: '.', prune: true };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(true);
if (result.success) {
expect(result.data.prune).toBe(true);
}
});
it('accepts tags flag', () => {
const input = { path: '.', tags: true };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(true);
if (result.success) {
expect(result.data.tags).toBe(true);
}
});
it('accepts depth option', () => {
const input = { path: '.', depth: 10 };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(true);
if (result.success) {
expect(result.data.depth).toBe(10);
}
});
it('rejects invalid input types', () => {
const input = { path: 123 };
const result = gitFetchTool.inputSchema.safeParse(input);
expect(result.success).toBe(false);
});
});
describe('Tool Logic', () => {
it('executes fetch operation successfully with session path', async () => {
const mockFetchResult: GitFetchResult = {
success: true,
remote: 'origin',
fetchedRefs: ['refs/heads/main'],
prunedRefs: [],
};
mockProvider.fetch.mockResolvedValue(mockFetchResult);
const parsedInput = gitFetchTool.inputSchema.parse({ path: '.' });
const appContext = createTestContext({ tenantId: 'test-tenant' });
const sdkContext = createTestSdkContext();
const result = await gitFetchTool.logic(
parsedInput,
appContext,
sdkContext,
);
expect(mockProvider.fetch).toHaveBeenCalledTimes(1);
assertProviderCalledWithContext(
mockProvider.fetch.mock.calls[0] as unknown[],
'/test/repo',
'test-tenant',
);
expect(result).toMatchObject({
success: true,
remote: 'origin',
fetchedRefs: ['refs/heads/main'],
prunedRefs: [],
});
});
it('executes fetch with absolute path', async () => {
const mockFetchResult: GitFetchResult = {
success: true,
remote: 'origin',
fetchedRefs: [],
prunedRefs: [],
};
mockProvider.fetch.mockResolvedValue(mockFetchResult);
const parsedInput = gitFetchTool.inputSchema.parse({
path: '/absolute/repo/path',
});
const appContext = createTestContext({ tenantId: 'test-tenant' });
const sdkContext = createTestSdkContext();
await gitFetchTool.logic(parsedInput, appContext, sdkContext);
expect(mockProvider.fetch).toHaveBeenCalledTimes(1);
const [_options, context] = mockProvider.fetch.mock.calls[0] as [
unknown,
{ workingDirectory: string },
];
expect(context.workingDirectory).toBe('/absolute/repo/path');
});
it('passes remote name to provider', async () => {
const mockFetchResult: GitFetchResult = {
success: true,
remote: 'upstream',
fetchedRefs: ['refs/heads/develop'],
prunedRefs: [],
};
mockProvider.fetch.mockResolvedValue(mockFetchResult);
const parsedInput = gitFetchTool.inputSchema.parse({
path: '.',
remote: 'upstream',
});
const appContext = createTestContext({ tenantId: 'test-tenant' });
const sdkContext = createTestSdkContext();
const result = await gitFetchTool.logic(
parsedInput,
appContext,
sdkContext,
);
const [fetchOptions] = mockProvider.fetch.mock.calls[0]!;
expect(fetchOptions.remote).toBe('upstream');
expect(result.remote).toBe('upstream');
});
it('passes prune flag to provider', async () => {
const mockFetchResult: GitFetchResult = {
success: true,
remote: 'origin',
fetchedRefs: [],
prunedRefs: ['refs/heads/stale-branch'],
};
mockProvider.fetch.mockResolvedValue(mockFetchResult);
const parsedInput = gitFetchTool.inputSchema.parse({
path: '.',
prune: true,
});
const appContext = createTestContext({ tenantId: 'test-tenant' });
const sdkContext = createTestSdkContext();
const result = await gitFetchTool.logic(
parsedInput,
appContext,
sdkContext,
);
const [fetchOptions] = mockProvider.fetch.mock.calls[0]!;
expect(fetchOptions.prune).toBe(true);
expect(result.prunedRefs).toContain('refs/heads/stale-branch');
});
it('passes tags flag to provider', async () => {
const mockFetchResult: GitFetchResult = {
success: true,
remote: 'origin',
fetchedRefs: ['refs/tags/v1.0.0'],
prunedRefs: [],
};
mockProvider.fetch.mockResolvedValue(mockFetchResult);
const parsedInput = gitFetchTool.inputSchema.parse({
path: '.',
tags: true,
});
const appContext = createTestContext({ tenantId: 'test-tenant' });
const sdkContext = createTestSdkContext();
await gitFetchTool.logic(parsedInput, appContext, sdkContext);
const [fetchOptions] = mockProvider.fetch.mock.calls[0]!;
expect(fetchOptions.tags).toBe(true);
});
});
describe('Response Formatter', () => {
it('formats fetch result with fetched refs', () => {
const result = {
success: true,
remote: 'origin',
fetchedRefs: ['refs/heads/main', 'refs/heads/develop'],
prunedRefs: [],
};
const content = gitFetchTool.responseFormatter!(result);
assertJsonContent(content, {
success: true,
remote: 'origin',
});
assertJsonField(content, 'remote', 'origin');
assertJsonField(content, 'fetchedRefs', [
'refs/heads/main',
'refs/heads/develop',
]);
assertJsonField(content, 'prunedRefs', []);
assertLlmFriendlyFormat(content);
});
it('formats fetch result with pruned refs', () => {
const result = {
success: true,
remote: 'origin',
fetchedRefs: [],
prunedRefs: ['refs/heads/old-branch'],
};
const content = gitFetchTool.responseFormatter!(result);
assertJsonContent(content, {
success: true,
remote: 'origin',
});
const parsed = parseJsonContent(content) as { prunedRefs: string[] };
expect(parsed.prunedRefs).toHaveLength(1);
expect(parsed.prunedRefs).toContain('refs/heads/old-branch');
});
it('formats empty fetch result', () => {
const result = {
success: true,
remote: 'origin',
fetchedRefs: [],
prunedRefs: [],
};
const content = gitFetchTool.responseFormatter!(result);
assertJsonContent(content, {
success: true,
remote: 'origin',
fetchedRefs: [],
prunedRefs: [],
});
});
});
describe('Tool Metadata', () => {
it('has correct tool name', () => {
expect(gitFetchTool.name).toBe('git_fetch');
});
it('is marked as write operation', () => {
expect(gitFetchTool.annotations?.readOnlyHint).toBe(false);
});
it('has descriptive title and description', () => {
expect(gitFetchTool.title).toBe('Git Fetch');
expect(gitFetchTool.description).toBeTruthy();
expect(gitFetchTool.description.toLowerCase()).toContain('fetch');
});
it('has valid input and output schemas', () => {
expect(gitFetchTool.inputSchema).toBeDefined();
expect(gitFetchTool.outputSchema).toBeDefined();
const inputShape = gitFetchTool.inputSchema.shape;
expect(inputShape.remote).toBeDefined();
expect(inputShape.prune).toBeDefined();
expect(inputShape.tags).toBeDefined();
const outputShape = gitFetchTool.outputSchema.shape;
expect(outputShape.success).toBeDefined();
expect(outputShape.remote).toBeDefined();
expect(outputShape.fetchedRefs).toBeDefined();
expect(outputShape.prunedRefs).toBeDefined();
});
});
});
