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import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import {
fetchGitHubContributions,
fetchCommitHourDistribution,
fetchUserProfile,
fetchUserRepos,
fetchContributedRepos,
getFullDashboardData,
generateAchievements,
buildCommitClock,
clearGitHubApiCacheForTests,
GITHUB_CACHE_TTL_MS,
cacheKey,
displayName,
fetchOrgMembers,
getOrgDashboardData,
getWrappedData,
computeDeveloperScore,
runCappedConcurrency,
buildProfileData,
aggregateLanguages,
buildInsights,
buildActivityMap,
contributionsCache,
} from './github';
import type { ContributionCalendar } from '../types';
vi.mock('server-only', () => ({}));
const mockCalendar: ContributionCalendar = {
totalContributions: 8,
repoContributions: 42,
weeks: [
{
contributionDays: [
{ contributionCount: 3, date: '2024-06-10' },
{ contributionCount: 0, date: '2024-06-11' },
{ contributionCount: 5, date: '2024-06-12' },
],
},
],
};
const originalGitHubPat = process.env.GITHUB_PAT;
const originalGitHubToken = process.env.GITHUB_TOKEN;
function mockResponse(body: unknown, status = 200): Response {
return new Response(JSON.stringify(body), {
status,
headers: { 'Content-Type': 'application/json' },
});
}
beforeEach(() => {
clearGitHubApiCacheForTests();
process.env.GITHUB_PAT = 'ghp_testTokenAAAAAAAAAAAAAAAAAAAAAAAA';
delete process.env.GITHUB_TOKEN;
delete process.env.GITHUB_TOKENS;
});
afterEach(() => {
clearGitHubApiCacheForTests();
if (originalGitHubPat === undefined) {
delete process.env.GITHUB_PAT;
} else {
process.env.GITHUB_PAT = originalGitHubPat;
}
if (originalGitHubToken === undefined) {
delete process.env.GITHUB_TOKEN;
} else {
process.env.GITHUB_TOKEN = originalGitHubToken;
}
});
describe('fetchGitHubContributions', () => {
beforeEach(() => {
vi.spyOn(global, 'fetch');
});
afterEach(() => {
vi.restoreAllMocks();
});
it('returns the contribution calendar on a successful response', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: { contributionsCollection: { contributionCalendar: mockCalendar } },
},
})
);
const result = await fetchGitHubContributions('octocat');
expect(result.calendar.repoContributions).toBe(mockCalendar.repoContributions);
expect(result.calendar.weeks[0].contributionDays[0].contributionCount).toBe(3);
});
it('injects positive locAdditions and non-negative locDeletions for contribution days', async () => {
const calendarWithContributions: ContributionCalendar = {
totalContributions: 5,
repoContributions: 5,
weeks: [
{
contributionDays: [{ contributionCount: 5, date: '2024-06-10' }],
},
],
};
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: calendarWithContributions,
},
},
},
})
);
const result = await fetchGitHubContributions('octocat');
const day = result.calendar.weeks[0].contributionDays[0];
expect(day.locAdditions).toBeUndefined();
expect(day.locDeletions).toBeUndefined();
});
it('sets locAdditions and locDeletions to zero for zero-contribution days', async () => {
const calendarWithZeroContribution: ContributionCalendar = {
totalContributions: 0,
repoContributions: 0,
weeks: [
{
contributionDays: [{ contributionCount: 0, date: '2024-06-11' }],
},
],
};
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: calendarWithZeroContribution,
},
},
},
})
);
const result = await fetchGitHubContributions('octocat');
const day = result.calendar.weeks[0].contributionDays[0];
expect(day.locAdditions).toBe(0);
expect(day.locDeletions).toBe(0);
});
it('sends a POST request to the GitHub GraphQL endpoint with the correct body', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
await fetchGitHubContributions('octocat');
expect(fetch).toHaveBeenCalledOnce();
const [url, options] = vi.mocked(fetch).mock.calls[0];
expect(url).toBe('https://api.github.com/graphql');
expect(options?.method).toBe('POST');
const headers = new Headers(options?.headers);
const authHeader = headers.get('authorization');
expect(authHeader?.match(/^bearer\s+/i)).toBeTruthy();
expect(authHeader?.replace(/^bearer\s+/i, '')).toBe('ghp_testTokenAAAAAAAAAAAAAAAAAAAAAAAA');
expect(headers.get('content-type')).toBe('application/json');
const body = JSON.parse(options?.body as string);
expect(body.variables).toEqual({ login: 'octocat' });
expect(body.query).toContain('contributionCalendar');
});
it('uses GITHUB_TOKEN when GITHUB_PAT is not configured', async () => {
delete process.env.GITHUB_PAT;
process.env.GITHUB_TOKEN = 'ghp_actionsTokenAAAAAAAAAAAAAAAAAAAAA';
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
await fetchGitHubContributions('octocat');
const [, options] = vi.mocked(fetch).mock.calls[0];
const headers = new Headers(options?.headers);
const authHeader = headers.get('authorization');
expect(authHeader?.match(/^bearer\s+/i)).toBeTruthy();
expect(authHeader?.replace(/^bearer\s+/i, '')).toBe('ghp_actionsTokenAAAAAAAAAAAAAAAAAAAAA');
});
it('verifies Authorization header uses GITHUB_TOKEN value in fallback path', async () => {
delete process.env.GITHUB_PAT;
process.env.GITHUB_TOKEN = 'ghp_myActionsTokenAAAAAAAAAAAAAAAAAAA';
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
await fetchGitHubContributions('octocat');
const [, options] = vi.mocked(fetch).mock.calls[0];
const headers = new Headers(options?.headers);
const authHeader = headers.get('authorization');
expect(authHeader?.match(/^bearer\s+/i)).toBeTruthy();
expect(authHeader?.replace(/^bearer\s+/i, '')).toBe('ghp_myActionsTokenAAAAAAAAAAAAAAAAAAA');
});
it('throws before fetching when no GitHub token is configured', async () => {
delete process.env.GITHUB_PAT;
delete process.env.GITHUB_TOKEN;
delete process.env.GITHUB_TOKENS;
await expect(fetchGitHubContributions('octocat')).rejects.toThrow(
'GitHub token is missing. Set GITHUB_PAT or GITHUB_TOKEN.'
);
expect(fetch).not.toHaveBeenCalled();
});
it('works correctly for a brand-new user who has zero contribution weeks', async () => {
const emptyCalendar: ContributionCalendar = {
totalContributions: 0,
repoContributions: 0,
weeks: [],
};
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: { contributionCalendar: emptyCalendar },
},
},
})
);
const result = await fetchGitHubContributions('new-user');
expect(result.calendar.repoContributions).toBe(0);
expect(result.calendar.weeks).toHaveLength(0);
});
it('throws with the status code when the server returns 500', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ message: 'Internal Server Error' }, 500));
await expect(fetchGitHubContributions('octocat')).rejects.toThrow('GitHub API error');
});
it('throws with the status code when the server returns 401 (expired or missing token)', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ message: 'Unauthorized' }, 401));
await expect(fetchGitHubContributions('octocat')).rejects.toThrow(
'GitHub authentication failed'
);
});
it('falls back to empty calendar when fetch itself rejects due to a network failure', async () => {
vi.mocked(fetch).mockRejectedValue(new Error('Failed to fetch'));
const result = await fetchGitHubContributions('octocat');
expect(result.calendar.totalContributions).toBe(0);
expect(result.isOfflineFallback).toBe(true);
});
it('throws the first GraphQL error when the API returns an errors array', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: { user: null },
errors: [{ message: 'Bad credentials' }, { message: 'Some other error' }],
})
);
await expect(fetchGitHubContributions('octocat')).rejects.toThrow('Bad credentials');
});
it('throws a stable fallback when GraphQL returns an empty errors array', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
errors: [],
})
);
await expect(fetchGitHubContributions('octocat')).rejects.toThrow(
'GitHub GraphQL API returned an unknown error'
);
});
it('throws a stable fallback when the first GraphQL error has no message', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
errors: [{}],
})
);
await expect(fetchGitHubContributions('octocat')).rejects.toThrow(
'GitHub GraphQL API returned an unknown error'
);
});
describe('body-level RATE_LIMITED retry (HTTP 200)', () => {
beforeEach(() => {
vi.useFakeTimers();
});
afterEach(() => {
vi.useRealTimers();
});
it('retries with backoff when GitHub returns RATE_LIMITED inside a 200 OK body', async () => {
vi.mocked(fetch)
.mockResolvedValueOnce(
mockResponse({ errors: [{ type: 'RATE_LIMITED', message: 'API rate limit exceeded' }] })
)
.mockResolvedValueOnce(
mockResponse({
data: { user: { contributionsCollection: { contributionCalendar: mockCalendar } } },
})
);
const promise = fetchGitHubContributions('octocat');
void promise;
await vi.advanceTimersByTimeAsync(500);
expect(fetch).toHaveBeenCalledTimes(2);
});
it('falls back to empty calendar after exhausting all retries on repeated body-level RATE_LIMITED errors', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({ errors: [{ type: 'RATE_LIMITED', message: 'API rate limit exceeded' }] })
);
const promise = fetchGitHubContributions('octocat');
await vi.advanceTimersByTimeAsync(3500);
const result = await promise;
expect(result.calendar.totalContributions).toBe(0);
expect(result.isOfflineFallback).toBe(true);
expect(fetch).toHaveBeenCalledTimes(4);
});
});
it('throws a descriptive "user not found" error when the username does not exist on GitHub', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ data: { user: null } }));
await expect(fetchGitHubContributions('ghost-user-xyz')).rejects.toThrow(
'GitHub user "ghost-user-xyz" not found'
);
});
it('handles calendar with all days having zero contributions', async () => {
const sparseCalendar: ContributionCalendar = {
totalContributions: 0,
repoContributions: 0,
weeks: [
{
contributionDays: [
{ contributionCount: 0, date: '2024-01-01' },
{ contributionCount: 0, date: '2024-01-02' },
],
},
],
};
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
contributionsCollection: { contributionCalendar: sparseCalendar },
},
},
})
);
const result = await fetchGitHubContributions('sparse-user');
expect(result.calendar.repoContributions).toBe(0);
expect(result.calendar.weeks).toHaveLength(1);
});
it('is deterministic: two calls with empty-year response return identical data', async () => {
const emptyCalendar: ContributionCalendar = {
totalContributions: 0,
repoContributions: 0,
weeks: [],
};
vi.mocked(fetch).mockImplementation(async () =>
mockResponse({
data: {
user: {
contributionsCollection: { contributionCalendar: emptyCalendar },
},
},
})
);
const r1 = await fetchGitHubContributions('empty-user', { bypassCache: true });
const r2 = await fetchGitHubContributions('empty-user', { bypassCache: true });
expect(r1.calendar.repoContributions).toBe(r2.calendar.repoContributions);
expect(r1.calendar.weeks).toEqual(r2.calendar.weeks);
});
it('falls back to stale cache with isOfflineFallback: true when fetch fails and cache has data', async () => {
vi.mocked(fetch).mockResolvedValueOnce(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
await fetchGitHubContributions('fallback-user');
const key = cacheKey('contributions', 'fallback-user');
const cachedData = await contributionsCache.get(key);
if (cachedData) {
cachedData.calendar.lastSyncedAt = new Date(Date.now() - 10 * 60 * 1000).toISOString();
await contributionsCache.set(key, cachedData, 7 * 24 * 60 * 60 * 1000);
}
vi.mocked(fetch).mockRejectedValue(new Error('API rate limit exceeded'));
const result = await fetchGitHubContributions('fallback-user');
expect(result.calendar.totalContributions).toBe(mockCalendar.totalContributions);
expect(result.isOfflineFallback).toBe(true);
});
it('falls back to stale cache when bypassCache is true but fetch fails and cache has data', async () => {
vi.mocked(fetch).mockResolvedValueOnce(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
await fetchGitHubContributions('bypass-fallback-user');
vi.mocked(fetch).mockRejectedValue(new Error('Failed to fetch'));
const result = await fetchGitHubContributions('bypass-fallback-user', { bypassCache: true });
expect(result.calendar.totalContributions).toBe(mockCalendar.totalContributions);
expect(result.isOfflineFallback).toBe(true);
});
it('correctly resolves organization Node ID and uses it in contributions query', async () => {
vi.mocked(fetch)
.mockResolvedValueOnce(
mockResponse({
data: {
organization: {
id: 'test-org-node-id',
},
},
})
)
.mockResolvedValueOnce(
mockResponse({
data: {
user: {
contributionsCollection: {
contributionCalendar: mockCalendar,
commitContributionsByRepository: [],
},
},
},
})
);
const result = await fetchGitHubContributions('octocat', {
org: 'github-org',
bypassCache: true,
});
expect(result.calendar.totalContributions).toBe(mockCalendar.totalContributions);
// Verify first call to resolve organization ID
expect(fetch).toHaveBeenNthCalledWith(
1,
'https://api.github.com/graphql',
expect.objectContaining({
body: expect.stringContaining('"variables":{"login":"github-org"}'),
})
);
// Verify second call to query contributions with organizationID
expect(fetch).toHaveBeenNthCalledWith(
2,
'https://api.github.com/graphql',
expect.objectContaining({
body: expect.stringContaining('"orgId":"test-org-node-id"'),
})
);
});
});
describe('fetchCommitHourDistribution', () => {
beforeEach(() => {
vi.spyOn(global, 'fetch');
});
afterEach(() => {
vi.restoreAllMocks();
});
it('buckets the same commit into different hours for different timezones', async () => {
const isoTimestamp = '2024-06-10T21:00:00Z';
vi.mocked(fetch).mockImplementation(async (_url, options) => {
const body = JSON.parse(options?.body as string);
if (body.variables?.login) {
return mockResponse({
data: {
user: {
contributionsCollection: {
commitContributionsByRepository: [
{
repository: {
owner: { login: 'octocat' },
name: 'repo-1',
},
contributions: { totalCount: 1 },
},
],
},
},
},
});
}
return mockResponse({
data: {
repository: {
defaultBranchRef: {
target: {
history: {
nodes: [{ committedDate: isoTimestamp }],
},
},
},
},
},
});
});
const utcResult = await fetchCommitHourDistribution('octocat');
expect(utcResult[21]).toBe(1);
expect(utcResult[2]).toBe(0);
clearGitHubApiCacheForTests();
const istResult = await fetchCommitHourDistribution('octocat', undefined, 'Asia/Kolkata');
expect(istResult[2]).toBe(1);
expect(istResult[21]).toBe(0);
});
it('falls back to UTC when the timezone string is invalid', async () => {
const isoTimestamp = '2024-06-10T21:00:00Z';
vi.mocked(fetch).mockImplementation(async (_url, options) => {
const body = JSON.parse(options?.body as string);
if (body.variables?.login) {
return mockResponse({
data: {
user: {
contributionsCollection: {
commitContributionsByRepository: [
{
repository: {
owner: { login: 'octocat' },
name: 'repo-1',
},
contributions: { totalCount: 1 },
},
],
},
},
},
});
}
return mockResponse({
data: {
repository: {
defaultBranchRef: {
target: {
history: {
nodes: [{ committedDate: isoTimestamp }],
},
},
},
},
},
});
});
const result = await fetchCommitHourDistribution('octocat', undefined, 'Not/A_Real_Zone');
expect(result[21]).toBe(1);
expect(result[2]).toBe(0);
});
});
describe('fetchUserProfile', () => {
beforeEach(() => vi.spyOn(global, 'fetch'));
afterEach(() => vi.restoreAllMocks());
it('returns all profile fields on success', async () => {
const mockProfile = {
login: 'octocat',
name: 'The Octocat',
avatar_url: 'https://github.com/images/error/octocat_happy.gif',
public_repos: 8,
followers: 100,
following: 5,
created_at: '2011-01-25T18:44:36Z',
bio: 'GitHub mascot',
location: 'San Francisco',
plan: { name: 'pro' },
};
vi.mocked(fetch).mockResolvedValue(mockResponse(mockProfile));
const result = await fetchUserProfile('octocat');
expect(result.login).toBe(mockProfile.login);
expect(result.bio).toBe(mockProfile.bio);
expect(result.location).toBe(mockProfile.location);
expect(result.created_at).toBe(mockProfile.created_at);
expect(result.public_repos).toBe(mockProfile.public_repos);
expect(result.followers).toBe(mockProfile.followers);
expect(result.following).toBe(mockProfile.following);
expect(result.avatar_url).toBe(mockProfile.avatar_url);
});
it('sanitizes the profile by removing extra fields before returning', async () => {
const mockProfile = {
login: 'octocat',
name: 'The Octocat',
avatar_url: 'https://avatar.url',
public_repos: 8,
followers: 100,
following: 5,
created_at: '2011-01-25T18:44:36Z',
bio: 'GitHub mascot',
location: 'San Francisco',
extra_field: 'should be removed',
another_extra: 123,
plan: { name: 'pro', space: 1000 },
};
vi.mocked(fetch).mockResolvedValue(mockResponse(mockProfile));
const result = (await fetchUserProfile('octocat')) as unknown as Record<string, unknown>;
expect(result.login).toBe('octocat');
expect(result.extra_field).toBeUndefined();
expect(result.another_extra).toBeUndefined();
expect(result.plan).toEqual({ name: 'pro' });
});
it.skip('encodes the username before using it in the REST profile path', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({
login: 'octo/cat',
name: 'Slash User',
avatar_url: 'avatar.png',
public_repos: 1,
followers: 0,
following: 0,
created_at: '2024-01-01T00:00:00Z',
bio: null,
location: null,
})
);
await fetchUserProfile('octo/cat');
expect(fetch).toHaveBeenCalledWith(
'https://api.github.com/users/octo%2Fcat',
expect.objectContaining({ cache: 'no-store' })
);
});
it('throws "User not found" on 404', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ message: 'Not Found' }, 404));
await expect(fetchUserProfile('ghost')).rejects.toThrow('User not found');
});
it('throws status code error on other failures', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ message: 'Error' }, 500));
await expect(fetchUserProfile('octocat')).rejects.toThrow('GitHub REST API error: 500');
});
});
describe('fetchUserRepos', () => {
beforeEach(() => vi.spyOn(global, 'fetch'));
afterEach(() => vi.restoreAllMocks());
it('returns repos data on success', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse([{ stargazers_count: 1, language: 'TypeScript' }])
);
const result = await fetchUserRepos('octocat');
expect(result[0].stargazers_count).toBe(1);
});
it('sanitizes repo objects by removing extra fields before returning', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse([
{
name: 'some-repo',
stargazers_count: 10,
language: 'TypeScript',
id: 12345,
private: false,
owner: { login: 'octocat' },
homepage: 'https://some-repo.vercel.app',
},
])
);
const result = (await fetchUserRepos('octocat')) as unknown as Record<string, unknown>[];
expect(result[0].stargazers_count).toBe(10);
expect(result[0].language).toBe('TypeScript');
expect(result[0].id).toBeUndefined();
expect(result[0].private).toBeUndefined();
// owner and homepage are intentionally kept — required for the
// Production Deployments feature to resolve {owner}/{repo} paths
// and fall back to a configured live URL.
expect(result[0].owner).toEqual({ login: 'octocat' });
expect(result[0].homepage).toBe('https://some-repo.vercel.app');
});
it('returns a full three-repo payload with the expected star counts and languages', async () => {
const mockedRepos = [
{ stargazers_count: 7, language: 'TypeScript' },
{ stargazers_count: 42, language: 'Rust' },
{ stargazers_count: 128, language: 'JavaScript' },
];
vi.mocked(fetch).mockResolvedValue(mockResponse(mockedRepos));
const result = await fetchUserRepos('octocat', { bypassCache: true });
expect(result).toHaveLength(3);
result.forEach((repo, index) => {
expect(repo).toHaveProperty('stargazers_count');
expect(repo).toHaveProperty('language');
expect(repo.stargazers_count).toBe(mockedRepos[index].stargazers_count);
expect(repo.language).toBe(mockedRepos[index].language);
});
expect(result).toEqual(mockedRepos);
});
it.skip('encodes the username before using it in the REST repos path', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse([{ stargazers_count: 1, language: 'TypeScript' }])
);
await fetchUserRepos('octo/cat');
expect(fetch).toHaveBeenCalledWith(
'https://api.github.com/users/octo%2Fcat/repos?per_page=100',
expect.any(Object)
);
});
it('throws status code error on failure', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ message: 'Error' }, 500));
await expect(fetchUserRepos('octocat')).rejects.toThrow('GitHub REST API error: 500');
});
it('fetches multiple pages of repos', async () => {
vi.mocked(fetch).mockImplementation(async (url: RequestInfo | URL) => {
const urlStr = typeof url === 'string' ? url : url ? url.toString() : '';
if (urlStr.includes('page=1&')) {
return mockResponse(
Array.from({ length: 100 }, (_, i) => ({
id: i,
stargazers_count: i,
language: 'TypeScript',
}))
);
}
if (urlStr.includes('page=2&')) {
return mockResponse([
{
id: 101,
stargazers_count: 101,
language: 'JavaScript',
},
]);
}
return mockResponse([]);
});
const result = await fetchUserRepos('octocat', { bypassCache: true });
expect(fetch).toHaveBeenCalledTimes(3);
expect(result.length).toBe(101);
});
it('stops fetching after reaching max pages', async () => {
vi.mocked(fetch).mockImplementation(
() =>
Promise.resolve(
mockResponse(
Array.from({ length: 100 }, (_, i) => ({
id: i,
stargazers_count: i,
language: 'TypeScript',
}))
)
) as Promise<Response>
);
await fetchUserRepos('octocat', { bypassCache: true });
expect(fetch).toHaveBeenCalledTimes(3);
});
it('handles concurrent pagination behavior and maintains stable response ordering', async () => {
vi.mocked(fetch).mockImplementation(async (url: RequestInfo | URL) => {
const urlStr = typeof url === 'string' ? url : url ? url.toString() : '';
if (urlStr.includes('page=1&')) {
return mockResponse(
Array.from({ length: 100 }, (_, i) => ({
name: `repo-page1-${i}`,
stargazers_count: i,
language: 'TypeScript',
}))
);
}
if (urlStr.includes('page=2&')) {
return mockResponse(
Array.from({ length: 100 }, (_, i) => ({
name: `repo-page2-${i}`,
stargazers_count: 101,
language: 'JavaScript',
}))
);
}
if (urlStr.includes('page=3&')) {
return mockResponse([
{
name: 'repo-page3-1',
stargazers_count: 102,
language: 'Rust',
},
]);
}
return mockResponse([]);
});
const result = await fetchUserRepos('octocat', { bypassCache: true });
expect(fetch).toHaveBeenCalledTimes(3);
expect(result.length).toBe(201);
});
});
describe('fetchContributedRepos', () => {
beforeEach(() => {
vi.spyOn(global, 'fetch');
vi.useFakeTimers();
});
afterEach(() => {
vi.useRealTimers();
vi.restoreAllMocks();
});
it('returns contributed repos on success', async () => {
const mockNodes = [
{
name: 'repo1',
nameWithOwner: 'owner/repo1',
stargazerCount: 10,
forkCount: 5,
primaryLanguage: { name: 'TypeScript' },
updatedAt: '2024-01-01T00:00:00Z',
},
];
vi.mocked(fetch).mockResolvedValue(
mockResponse({
data: {
user: {
repositoriesContributedTo: {
nodes: mockNodes,
},
},
},
})
);
const result = await fetchContributedRepos('octocat');
expect(result).toEqual(mockNodes);
});
it('returns empty array if data structure is missing', async () => {
vi.mocked(fetch).mockResolvedValue(mockResponse({ data: null }));
const result = await fetchContributedRepos('octocat');
expect(result).toEqual([]);
});
it('throws (rather than returning []) when the request fails so the empty result is not cached', async () => {
vi.mocked(fetch).mockResolvedValue(new Response(null, { status: 500 }));
const promise = fetchContributedRepos('octocat');
const assertion = expect(promise).rejects.toThrow();
await vi.advanceTimersByTimeAsync(3500);
await assertion;
});
it('falls back to [] on a rate-limited GraphQL 200 response', async () => {
vi.mocked(fetch).mockResolvedValue(
mockResponse({ errors: [{ type: 'RATE_LIMITED', message: 'API rate limit exceeded' }] })
);
const promise = fetchContributedRepos('octocat');
await vi.advanceTimersByTimeAsync(3500);
const result = await promise;
expect(result).toEqual([]);
});
it('does not cache the failure: a later call refetches and can succeed', async () => {
vi.mocked(fetch).mockResolvedValue(new Response(null, { status: 500 }));
const failing = fetchContributedRepos('octocat');
const assertion = expect(failing).rejects.toThrow();
await vi.advanceTimersByTimeAsync(3500);
await assertion;
const mockNodes = [{ name: 'r1', nameWithOwner: 'o/r1' }];
vi.mocked(fetch).mockResolvedValue(
mockResponse({ data: { user: { repositoriesContributedTo: { nodes: mockNodes } } } })
);
const result = await fetchContributedRepos('octocat');
expect(result).toEqual(mockNodes);
});
});
describe('forceRefresh write-back', () => {
beforeEach(() => vi.spyOn(global, 'fetch'));
afterEach(() => vi.restoreAllMocks());
it('fetchGitHubContributions: forceRefresh writes back so a later normal read is a cache hit', async () => {
vi.mocked(fetch).mockImplementation(() =>
Promise.resolve(
mockResponse({
data: { user: { contributionsCollection: { contributionCalendar: mockCalendar } } },
})
)