feat(TRUEREF-0021): implement differential tag indexing
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U811073
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Giancarmine Salucci
Giancarmine Salucci
parent
e63279fcf6
commit
f4fe8c6043
173
src/lib/server/crawler/github-compare.test.ts
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173
src/lib/server/crawler/github-compare.test.ts
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/**
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* Unit tests for GitHub Compare API client (TRUEREF-0021).
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*/
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import { describe, it, expect, vi, beforeEach } from 'vitest';
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import { fetchGitHubChangedFiles } from './github-compare.js';
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import { GitHubApiError } from './github-tags.js';
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// ---------------------------------------------------------------------------
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// Helpers
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// ---------------------------------------------------------------------------
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function mockFetch(status: number, body: unknown): void {
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vi.spyOn(global, 'fetch').mockResolvedValueOnce(
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new Response(JSON.stringify(body), { status })
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);
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}
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beforeEach(() => {
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vi.restoreAllMocks();
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});
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// ---------------------------------------------------------------------------
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// fetchGitHubChangedFiles
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// ---------------------------------------------------------------------------
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describe('fetchGitHubChangedFiles', () => {
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it('maps added status correctly', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [{ filename: 'src/new.ts', status: 'added', sha: 'abc123' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result).toHaveLength(1);
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expect(result[0]).toMatchObject({ path: 'src/new.ts', status: 'added', sha: 'abc123' });
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});
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it('maps modified status correctly', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [{ filename: 'src/index.ts', status: 'modified', sha: 'def456' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result[0]).toMatchObject({ path: 'src/index.ts', status: 'modified' });
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});
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it('maps removed status correctly and omits sha', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [{ filename: 'src/old.ts', status: 'removed', sha: '000000' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result[0]).toMatchObject({ path: 'src/old.ts', status: 'removed' });
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expect(result[0].sha).toBeUndefined();
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});
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it('maps renamed status and sets previousPath', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [
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{
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filename: 'src/renamed.ts',
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status: 'renamed',
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sha: 'ghi789',
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previous_filename: 'src/original.ts'
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}
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]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result[0]).toMatchObject({
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path: 'src/renamed.ts',
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status: 'renamed',
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previousPath: 'src/original.ts',
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sha: 'ghi789'
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});
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});
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it('returns empty array when compare status is identical', async () => {
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mockFetch(200, { status: 'identical', files: [] });
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.0.0');
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expect(result).toEqual([]);
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});
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it('returns empty array when compare status is behind', async () => {
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mockFetch(200, {
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status: 'behind',
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files: [{ filename: 'src/index.ts', status: 'modified', sha: 'abc' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.1.0', 'v1.0.0');
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expect(result).toEqual([]);
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});
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it('throws GitHubApiError on 401 unauthorized', async () => {
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mockFetch(401, { message: 'Unauthorized' });
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await expect(
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fetchGitHubChangedFiles('owner', 'private-repo', 'v1.0.0', 'v1.1.0')
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).rejects.toThrow(GitHubApiError);
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});
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it('throws GitHubApiError on 404 not found', async () => {
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mockFetch(404, { message: 'Not Found' });
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await expect(
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fetchGitHubChangedFiles('owner', 'missing-repo', 'v1.0.0', 'v1.1.0')
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).rejects.toThrow(GitHubApiError);
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});
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it('throws GitHubApiError on 422 unprocessable entity', async () => {
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mockFetch(422, { message: 'Unprocessable Entity' });
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await expect(
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fetchGitHubChangedFiles('owner', 'repo', 'bad-ref', 'v1.1.0')
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).rejects.toThrow(GitHubApiError);
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});
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it('returns empty array when files property is missing', async () => {
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mockFetch(200, { status: 'ahead' });
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result).toEqual([]);
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});
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it('returns empty array when files array is empty', async () => {
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mockFetch(200, { status: 'ahead', files: [] });
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result).toEqual([]);
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});
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it('maps copied status to modified', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [{ filename: 'src/copy.ts', status: 'copied', sha: 'jkl012' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result[0]).toMatchObject({ path: 'src/copy.ts', status: 'modified' });
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});
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it('maps changed status to modified', async () => {
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mockFetch(200, {
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status: 'ahead',
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files: [{ filename: 'src/changed.ts', status: 'changed', sha: 'mno345' }]
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});
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const result = await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect(result[0]).toMatchObject({ path: 'src/changed.ts', status: 'modified' });
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});
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it('sends Authorization header when token is provided', async () => {
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const fetchSpy = vi.spyOn(global, 'fetch').mockResolvedValueOnce(
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new Response(JSON.stringify({ status: 'ahead', files: [] }), { status: 200 })
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);
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await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0', 'my-token');
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const callArgs = fetchSpy.mock.calls[0];
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const headers = (callArgs[1] as RequestInit).headers as Record<string, string>;
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expect(headers['Authorization']).toBe('Bearer my-token');
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});
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it('does not send Authorization header when no token provided', async () => {
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const fetchSpy = vi.spyOn(global, 'fetch').mockResolvedValueOnce(
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new Response(JSON.stringify({ status: 'ahead', files: [] }), { status: 200 })
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);
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await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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const callArgs = fetchSpy.mock.calls[0];
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const headers = (callArgs[1] as RequestInit).headers as Record<string, string>;
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expect(headers['Authorization']).toBeUndefined();
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});
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it('throws GitHubApiError with correct status code', async () => {
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mockFetch(403, { message: 'Forbidden' });
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try {
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await fetchGitHubChangedFiles('owner', 'repo', 'v1.0.0', 'v1.1.0');
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expect.fail('should have thrown');
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} catch (e) {
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expect(e).toBeInstanceOf(GitHubApiError);
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expect((e as GitHubApiError).status).toBe(403);
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}
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});
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});
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