Files
qwen-code/packages/core/src/utils/memoryDiscovery.test.ts
2025-08-21 18:21:04 +00:00

443 lines
15 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach, afterEach } from 'vitest';
import * as fsPromises from 'fs/promises';
import * as os from 'os';
import * as path from 'path';
import { loadServerHierarchicalMemory } from './memoryDiscovery.js';
import {
GEMINI_CONFIG_DIR,
setGeminiMdFilename,
DEFAULT_CONTEXT_FILENAME,
} from '../tools/memoryTool.js';
import { FileDiscoveryService } from '../services/fileDiscoveryService.js';
vi.mock('os', async (importOriginal) => {
const actualOs = await importOriginal<typeof os>();
return {
...actualOs,
homedir: vi.fn(),
};
});
describe('loadServerHierarchicalMemory', () => {
let testRootDir: string;
let cwd: string;
let projectRoot: string;
let homedir: string;
async function createEmptyDir(fullPath: string) {
await fsPromises.mkdir(fullPath, { recursive: true });
return fullPath;
}
async function createTestFile(fullPath: string, fileContents: string) {
await fsPromises.mkdir(path.dirname(fullPath), { recursive: true });
await fsPromises.writeFile(fullPath, fileContents);
return path.resolve(testRootDir, fullPath);
}
beforeEach(async () => {
testRootDir = await fsPromises.mkdtemp(
path.join(os.tmpdir(), 'folder-structure-test-'),
);
vi.resetAllMocks();
// Set environment variables to indicate test environment
vi.stubEnv('NODE_ENV', 'test');
vi.stubEnv('VITEST', 'true');
projectRoot = await createEmptyDir(path.join(testRootDir, 'project'));
cwd = await createEmptyDir(path.join(projectRoot, 'src'));
homedir = await createEmptyDir(path.join(testRootDir, 'userhome'));
vi.mocked(os.homedir).mockReturnValue(homedir);
});
afterEach(async () => {
vi.unstubAllEnvs();
// Some tests set this to a different value.
setGeminiMdFilename(DEFAULT_CONTEXT_FILENAME);
// Clean up the temporary directory to prevent resource leaks.
await fsPromises.rm(testRootDir, { recursive: true, force: true });
});
it('should return empty memory and count if no context files are found', async () => {
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: '',
fileCount: 0,
});
});
it('should load only the global context file if present and others are not (default filename)', async () => {
const defaultContextFile = await createTestFile(
path.join(homedir, GEMINI_CONFIG_DIR, DEFAULT_CONTEXT_FILENAME),
'default context content',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, defaultContextFile)} ---\ndefault context content\n--- End of Context from: ${path.relative(cwd, defaultContextFile)} ---`,
fileCount: 1,
});
});
it('should load only the global custom context file if present and filename is changed', async () => {
const customFilename = 'CUSTOM_AGENTS.md';
setGeminiMdFilename(customFilename);
const customContextFile = await createTestFile(
path.join(homedir, GEMINI_CONFIG_DIR, customFilename),
'custom context content',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, customContextFile)} ---\ncustom context content\n--- End of Context from: ${path.relative(cwd, customContextFile)} ---`,
fileCount: 1,
});
});
it('should load context files by upward traversal with custom filename', async () => {
const customFilename = 'PROJECT_CONTEXT.md';
setGeminiMdFilename(customFilename);
const projectContextFile = await createTestFile(
path.join(projectRoot, customFilename),
'project context content',
);
const cwdContextFile = await createTestFile(
path.join(cwd, customFilename),
'cwd context content',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, projectContextFile)} ---\nproject context content\n--- End of Context from: ${path.relative(cwd, projectContextFile)} ---\n\n--- Context from: ${path.relative(cwd, cwdContextFile)} ---\ncwd context content\n--- End of Context from: ${path.relative(cwd, cwdContextFile)} ---`,
fileCount: 2,
});
});
it('should load context files by downward traversal with custom filename', async () => {
const customFilename = 'LOCAL_CONTEXT.md';
setGeminiMdFilename(customFilename);
await createTestFile(
path.join(cwd, 'subdir', customFilename),
'Subdir custom memory',
);
await createTestFile(path.join(cwd, customFilename), 'CWD custom memory');
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${customFilename} ---\nCWD custom memory\n--- End of Context from: ${customFilename} ---\n\n--- Context from: ${path.join('subdir', customFilename)} ---\nSubdir custom memory\n--- End of Context from: ${path.join('subdir', customFilename)} ---`,
fileCount: 2,
});
});
it('should load ORIGINAL_GEMINI_MD_FILENAME files by upward traversal from CWD to project root', async () => {
const projectRootGeminiFile = await createTestFile(
path.join(projectRoot, DEFAULT_CONTEXT_FILENAME),
'Project root memory',
);
const srcGeminiFile = await createTestFile(
path.join(cwd, DEFAULT_CONTEXT_FILENAME),
'Src directory memory',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, projectRootGeminiFile)} ---\nProject root memory\n--- End of Context from: ${path.relative(cwd, projectRootGeminiFile)} ---\n\n--- Context from: ${path.relative(cwd, srcGeminiFile)} ---\nSrc directory memory\n--- End of Context from: ${path.relative(cwd, srcGeminiFile)} ---`,
fileCount: 2,
});
});
it('should load ORIGINAL_GEMINI_MD_FILENAME files by downward traversal from CWD', async () => {
await createTestFile(
path.join(cwd, 'subdir', DEFAULT_CONTEXT_FILENAME),
'Subdir memory',
);
await createTestFile(
path.join(cwd, DEFAULT_CONTEXT_FILENAME),
'CWD memory',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${DEFAULT_CONTEXT_FILENAME} ---\nCWD memory\n--- End of Context from: ${DEFAULT_CONTEXT_FILENAME} ---\n\n--- Context from: ${path.join('subdir', DEFAULT_CONTEXT_FILENAME)} ---\nSubdir memory\n--- End of Context from: ${path.join('subdir', DEFAULT_CONTEXT_FILENAME)} ---`,
fileCount: 2,
});
});
it('should load and correctly order global, upward, and downward ORIGINAL_GEMINI_MD_FILENAME files', async () => {
const defaultContextFile = await createTestFile(
path.join(homedir, GEMINI_CONFIG_DIR, DEFAULT_CONTEXT_FILENAME),
'default context content',
);
const rootGeminiFile = await createTestFile(
path.join(testRootDir, DEFAULT_CONTEXT_FILENAME),
'Project parent memory',
);
const projectRootGeminiFile = await createTestFile(
path.join(projectRoot, DEFAULT_CONTEXT_FILENAME),
'Project root memory',
);
const cwdGeminiFile = await createTestFile(
path.join(cwd, DEFAULT_CONTEXT_FILENAME),
'CWD memory',
);
const subDirGeminiFile = await createTestFile(
path.join(cwd, 'sub', DEFAULT_CONTEXT_FILENAME),
'Subdir memory',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, defaultContextFile)} ---\ndefault context content\n--- End of Context from: ${path.relative(cwd, defaultContextFile)} ---\n\n--- Context from: ${path.relative(cwd, rootGeminiFile)} ---\nProject parent memory\n--- End of Context from: ${path.relative(cwd, rootGeminiFile)} ---\n\n--- Context from: ${path.relative(cwd, projectRootGeminiFile)} ---\nProject root memory\n--- End of Context from: ${path.relative(cwd, projectRootGeminiFile)} ---\n\n--- Context from: ${path.relative(cwd, cwdGeminiFile)} ---\nCWD memory\n--- End of Context from: ${path.relative(cwd, cwdGeminiFile)} ---\n\n--- Context from: ${path.relative(cwd, subDirGeminiFile)} ---\nSubdir memory\n--- End of Context from: ${path.relative(cwd, subDirGeminiFile)} ---`,
fileCount: 5,
});
});
it('should ignore specified directories during downward scan', async () => {
await createEmptyDir(path.join(projectRoot, '.git'));
await createTestFile(path.join(projectRoot, '.gitignore'), 'node_modules');
await createTestFile(
path.join(cwd, 'node_modules', DEFAULT_CONTEXT_FILENAME),
'Ignored memory',
);
const regularSubDirGeminiFile = await createTestFile(
path.join(cwd, 'my_code', DEFAULT_CONTEXT_FILENAME),
'My code memory',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
[],
'tree',
{
respectGitIgnore: true,
respectGeminiIgnore: true,
},
200, // maxDirs parameter
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, regularSubDirGeminiFile)} ---\nMy code memory\n--- End of Context from: ${path.relative(cwd, regularSubDirGeminiFile)} ---`,
fileCount: 1,
});
});
it('should respect the maxDirs parameter during downward scan', async () => {
const consoleDebugSpy = vi
.spyOn(console, 'debug')
.mockImplementation(() => {});
for (let i = 0; i < 100; i++) {
await createEmptyDir(path.join(cwd, `deep_dir_${i}`));
}
// Pass the custom limit directly to the function
await loadServerHierarchicalMemory(
cwd,
[],
true,
new FileDiscoveryService(projectRoot),
[],
'tree', // importFormat
{
respectGitIgnore: true,
respectGeminiIgnore: true,
},
50, // maxDirs
);
expect(consoleDebugSpy).toHaveBeenCalledWith(
expect.stringContaining('[DEBUG] [BfsFileSearch]'),
expect.stringContaining('Scanning [50/50]:'),
);
vi.mocked(console.debug).mockRestore();
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: '',
fileCount: 0,
});
});
it('should load extension context file paths', async () => {
const extensionFilePath = await createTestFile(
path.join(testRootDir, 'extensions/ext1/GEMINI.md'),
'Extension memory content',
);
const result = await loadServerHierarchicalMemory(
cwd,
[],
false,
new FileDiscoveryService(projectRoot),
[extensionFilePath],
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, extensionFilePath)} ---\nExtension memory content\n--- End of Context from: ${path.relative(cwd, extensionFilePath)} ---`,
fileCount: 1,
});
});
it('should load memory from included directories', async () => {
const includedDir = await createEmptyDir(
path.join(testRootDir, 'included'),
);
const includedFile = await createTestFile(
path.join(includedDir, DEFAULT_CONTEXT_FILENAME),
'included directory memory',
);
const result = await loadServerHierarchicalMemory(
cwd,
[includedDir],
false,
new FileDiscoveryService(projectRoot),
);
expect(result).toEqual({
memoryContent: `--- Context from: ${path.relative(cwd, includedFile)} ---\nincluded directory memory\n--- End of Context from: ${path.relative(cwd, includedFile)} ---`,
fileCount: 1,
});
});
it('should handle multiple directories and files in parallel correctly', async () => {
// Create multiple test directories with GEMINI.md files
const numDirs = 5;
const createdFiles: string[] = [];
for (let i = 0; i < numDirs; i++) {
const dirPath = await createEmptyDir(
path.join(testRootDir, `project-${i}`),
);
const filePath = await createTestFile(
path.join(dirPath, DEFAULT_CONTEXT_FILENAME),
`Content from project ${i}`,
);
createdFiles.push(filePath);
}
// Load memory from all directories
const result = await loadServerHierarchicalMemory(
cwd,
createdFiles.map((f) => path.dirname(f)),
false,
new FileDiscoveryService(projectRoot),
);
// Should have loaded all files
expect(result.fileCount).toBe(numDirs);
// Content should include all project contents
for (let i = 0; i < numDirs; i++) {
expect(result.memoryContent).toContain(`Content from project ${i}`);
}
});
it('should preserve order and prevent duplicates when processing multiple directories', async () => {
// Create overlapping directory structure
const parentDir = await createEmptyDir(path.join(testRootDir, 'parent'));
const childDir = await createEmptyDir(path.join(parentDir, 'child'));
await createTestFile(
path.join(parentDir, DEFAULT_CONTEXT_FILENAME),
'Parent content',
);
await createTestFile(
path.join(childDir, DEFAULT_CONTEXT_FILENAME),
'Child content',
);
// Include both parent and child directories
const result = await loadServerHierarchicalMemory(
parentDir,
[childDir, parentDir], // Deliberately include duplicates
false,
new FileDiscoveryService(projectRoot),
);
// Should have both files without duplicates
expect(result.fileCount).toBe(2);
expect(result.memoryContent).toContain('Parent content');
expect(result.memoryContent).toContain('Child content');
// Check that files are not duplicated
const parentOccurrences = (
result.memoryContent.match(/Parent content/g) || []
).length;
const childOccurrences = (
result.memoryContent.match(/Child content/g) || []
).length;
expect(parentOccurrences).toBe(1);
expect(childOccurrences).toBe(1);
});
});