Files
openchamber/packages/ui/src/stores/useGitStore.test.ts
T

338 lines
13 KiB
TypeScript

import { beforeEach, describe, expect, test } from 'bun:test';
import type { GitStatus } from '@/lib/api/types';
import { useGitStore } from './useGitStore';
import { getRuntimeKey } from '@/lib/runtime-switch';
type Deferred<T> = {
promise: Promise<T>;
resolve: (value: T) => void;
reject: (error: unknown) => void;
};
type GitAPI = Parameters<ReturnType<typeof useGitStore.getState>['fetchStatus']>[1];
type DirectoryGitState = NonNullable<ReturnType<ReturnType<typeof useGitStore.getState>['getDirectoryState']>>;
const createDeferred = <T>(): Deferred<T> => {
let resolve!: (value: T) => void;
let reject!: (error: unknown) => void;
const promise = new Promise<T>((res, rej) => {
resolve = res;
reject = rej;
});
return { promise, resolve, reject };
};
const createStatus = (diffStats?: GitStatus['diffStats'], files: GitStatus['files'] = []): GitStatus => ({
current: 'main',
tracking: null,
ahead: 0,
behind: 0,
files,
isClean: files.length === 0,
diffStats,
});
const createDirectoryState = (status: GitStatus): DirectoryGitState => ({
isGitRepo: true,
status,
branches: null,
log: null,
identity: null,
diffCache: new Map(),
indexRevision: 0,
lastRepoCheckAt: Date.now(),
lastStatusFetch: 0,
lastStatusChange: 0,
lastLogFetch: 0,
lastBranchesFetch: 0,
lastIdentityFetch: 0,
logMaxCount: 25,
isLoadingStatus: false,
isLoadingLog: false,
isLoadingBranches: false,
isLoadingIdentity: false,
});
const setDirectoryStatus = (status: GitStatus) => {
useGitStore.setState({
directories: new Map([['/repo', createDirectoryState(status)]]),
activeDirectory: '/repo',
});
};
const createGitApi = (getGitStatus: GitAPI['getGitStatus']): GitAPI => ({
checkIsGitRepository: async () => true,
getGitStatus,
getGitBranches: async () => ({ all: [], current: 'main', branches: {} }),
getGitLog: async () => ({ all: [], latest: null, total: 0 }),
getCurrentGitIdentity: async () => null,
getGitFileDiff: async (_directory, options) => ({ original: '', modified: '', path: options.path }),
});
describe('useGitStore', () => {
beforeEach(() => {
useGitStore.getState().resetForRuntimeSwitch(getRuntimeKey());
});
test('does not reuse an in-flight light status request for full status', async () => {
setDirectoryStatus(createStatus());
const requests: Deferred<GitStatus>[] = [];
const statusCalls: Array<{ directory: string; options?: { mode?: 'light' } }> = [];
const git = createGitApi((directory, options) => {
statusCalls.push({ directory, options });
const request = createDeferred<GitStatus>();
requests.push(request);
return request.promise;
});
const lightPromise = useGitStore.getState().fetchStatus('/repo', git, { mode: 'light', silent: true });
const fullPromise = useGitStore.getState().fetchStatus('/repo', git, { silent: true });
await Promise.resolve();
expect(statusCalls).toEqual([
{ directory: '/repo', options: { mode: 'light' } },
{ directory: '/repo', options: undefined },
]);
requests[1].resolve(createStatus({ 'src/index.ts': { insertions: 1, deletions: 0 } }));
await fullPromise;
requests[0].resolve(createStatus());
await lightPromise;
expect(useGitStore.getState().getDirectoryState('/repo')?.status?.diffStats).toEqual({
'src/index.ts': { insertions: 1, deletions: 0 },
});
});
test('reuses an in-flight full status request for light status', async () => {
setDirectoryStatus(createStatus());
const requests: Deferred<GitStatus>[] = [];
const statusCalls: Array<{ directory: string; options?: { mode?: 'light' } }> = [];
const git = createGitApi((directory, options) => {
statusCalls.push({ directory, options });
const request = createDeferred<GitStatus>();
requests.push(request);
return request.promise;
});
const fullPromise = useGitStore.getState().fetchStatus('/repo', git, { silent: true });
const lightPromise = useGitStore.getState().fetchStatus('/repo', git, { mode: 'light', silent: true });
await Promise.resolve();
expect(statusCalls).toEqual([{ directory: '/repo', options: undefined }]);
requests[0].resolve(createStatus({ 'src/index.ts': { insertions: 1, deletions: 0 } }));
const [fullResult, lightResult] = await Promise.all([fullPromise, lightPromise]);
expect(lightResult).toBe(fullResult);
});
test('does not let an older status fetch undo an optimistic mutation', async () => {
const initial = createStatus(undefined, [{ path: 'src/index.ts', index: ' ', working_dir: 'M' }]);
setDirectoryStatus(initial);
const request = createDeferred<GitStatus>();
const git = createGitApi(() => request.promise);
const loading = useGitStore.getState().fetchStatus('/repo', git, { silent: true });
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'stage');
request.resolve(initial);
await loading;
expect(useGitStore.getState().getDirectoryState('/repo')?.status?.files).toEqual([
{ path: 'src/index.ts', index: 'M', working_dir: ' ' },
]);
});
test('rejects an old runtime completion after reset', async () => {
setDirectoryStatus(createStatus());
const request = createDeferred<GitStatus>();
const git = createGitApi(() => request.promise);
const loading = useGitStore.getState().fetchStatus('/repo', git, { silent: true });
useGitStore.getState().resetForRuntimeSwitch('runtime-b');
request.resolve(createStatus(undefined, [{ path: 'stale.ts', index: 'M', working_dir: ' ' }]));
await loading;
expect(useGitStore.getState().runtimeKey).toBe('runtime-b');
expect(useGitStore.getState().getDirectoryState('/repo')?.status ?? null).toBe(null);
});
test('rejects direct diff commits captured for another runtime', () => {
useGitStore.getState().setDiff('/repo', 'stale.ts', { original: 'a', modified: 'b' }, 'runtime-a');
expect(useGitStore.getState().getDiff('/repo', 'stale.ts')).toBe(null);
});
test('clears cached file contents when a git refresh hint invalidates diffs', () => {
setDirectoryStatus(createStatus(
{ 'src/index.ts': { insertions: 1, deletions: 1 } },
[{ path: 'src/index.ts', index: ' ', working_dir: 'M' }],
));
useGitStore.getState().setDiff('/repo', 'src/index.ts', { original: 'old', modified: 'stale' });
useGitStore.getState().clearDiffCache('/repo');
expect(useGitStore.getState().getDiff('/repo', 'src/index.ts')).toBe(null);
});
test('invalidates only the requested cached file contents', () => {
setDirectoryStatus(createStatus(undefined, [
{ path: 'src/first.ts', index: ' ', working_dir: 'M' },
{ path: 'src/second.ts', index: ' ', working_dir: 'M' },
]));
useGitStore.getState().setDiff('/repo', 'src/first.ts', { original: 'a', modified: 'b' });
useGitStore.getState().setDiff('/repo', 'src/second.ts', { original: 'c', modified: 'd' });
useGitStore.getState().clearDiffCache('/repo', ['src/first.ts']);
expect(useGitStore.getState().getDiff('/repo', 'src/first.ts')).toBe(null);
expect(useGitStore.getState().getDiff('/repo', 'src/second.ts')?.modified).toBe('d');
});
test('keeps the newest branch request when completions are reversed', async () => {
const requests = [createDeferred<Awaited<ReturnType<GitAPI['getGitBranches']>>>(), createDeferred<Awaited<ReturnType<GitAPI['getGitBranches']>>>()];
let index = 0;
const git = {
...createGitApi(async () => createStatus()),
getGitBranches: () => requests[index++].promise,
};
const first = useGitStore.getState().fetchBranches('/repo', git);
const second = useGitStore.getState().fetchBranches('/repo', git);
requests[1].resolve({ all: ['new'], current: 'new', branches: {} });
await second;
requests[0].resolve({ all: ['old'], current: 'old', branches: {} });
await first;
expect(useGitStore.getState().getDirectoryState('/repo')?.branches?.current).toBe('new');
});
test('optimistically stages modified files and preserves untouched file references', () => {
const target = { path: 'src/index.ts', index: ' ', working_dir: 'M' };
const untouched = { path: 'README.md', index: ' ', working_dir: 'M' };
const initialStatus = createStatus(undefined, [target, untouched]);
setDirectoryStatus(initialStatus);
const previousStatus = useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'stage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
const state = useGitStore.getState().getDirectoryState('/repo');
expect(previousStatus).toBe(initialStatus);
expect(status?.files).toEqual([
{ path: 'src/index.ts', index: 'M', working_dir: ' ' },
untouched,
]);
expect(status?.files[1]).toBe(untouched);
expect(state?.indexRevision).toBe(1);
});
test('optimistically stages untracked files as added files', () => {
setDirectoryStatus(createStatus(undefined, [
{ path: 'new-file.ts', index: '?', working_dir: '?' },
]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['new-file.ts'], 'stage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.files).toEqual([
{ path: 'new-file.ts', index: 'A', working_dir: ' ' },
]);
});
test('optimistically unstages staged files', () => {
setDirectoryStatus(createStatus(undefined, [
{ path: 'src/index.ts', index: 'M', working_dir: ' ' },
]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'unstage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.files).toEqual([
{ path: 'src/index.ts', index: ' ', working_dir: 'M' },
]);
});
test('optimistically unstages staged added files back to untracked files', () => {
setDirectoryStatus(createStatus(undefined, [
{ path: 'new-file.ts', index: 'A', working_dir: ' ' },
]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['new-file.ts'], 'unstage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.files).toEqual([
{ path: 'new-file.ts', index: ' ', working_dir: '?' },
]);
});
test('keeps conflicted files unchanged during optimistic moves', () => {
const conflicted = { path: 'conflict.ts', index: 'U', working_dir: 'U' };
setDirectoryStatus(createStatus(undefined, [conflicted]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['conflict.ts'], 'stage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.files).toEqual([conflicted]);
expect(status?.files[0]).toBe(conflicted);
});
test('preserves diff stats during optimistic moves', () => {
const diffStats = { 'src/index.ts': { insertions: 2, deletions: 1 } };
setDirectoryStatus(createStatus(diffStats, [
{ path: 'src/index.ts', index: ' ', working_dir: 'M' },
]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'stage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.diffStats).toBe(diffStats);
});
test('does nothing when optimistic move has no matching path', () => {
const initialStatus = createStatus(undefined, [
{ path: 'src/index.ts', index: ' ', working_dir: 'M' },
]);
setDirectoryStatus(initialStatus);
const previousStatus = useGitStore.getState().moveStatusPathsOptimistically('/repo', ['missing.ts'], 'stage');
expect(previousStatus).toBe(initialStatus);
expect(useGitStore.getState().getDirectoryState('/repo')?.status).toBe(initialStatus);
expect(useGitStore.getState().getDirectoryState('/repo')?.indexRevision).toBe(0);
});
test('does nothing without status for optimistic moves', () => {
useGitStore.setState({
directories: new Map([['/repo', { ...createDirectoryState(createStatus()), status: null }]]),
activeDirectory: '/repo',
});
const previousStatus = useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'stage');
expect(previousStatus).toBeNull();
expect(useGitStore.getState().getDirectoryState('/repo')?.status).toBeNull();
});
test('removes entries that become clean during optimistic moves', () => {
setDirectoryStatus(createStatus(undefined, [
{ path: 'clean.ts', index: ' ', working_dir: ' ' },
]));
useGitStore.getState().moveStatusPathsOptimistically('/repo', ['clean.ts'], 'stage');
const status = useGitStore.getState().getDirectoryState('/repo')?.status;
expect(status?.files).toEqual([]);
expect(status?.isClean).toBe(true);
});
test('restores previous status for optimistic rollback', () => {
const initialStatus = createStatus(undefined, [
{ path: 'src/index.ts', index: ' ', working_dir: 'M' },
]);
setDirectoryStatus(initialStatus);
const previousStatus = useGitStore.getState().moveStatusPathsOptimistically('/repo', ['src/index.ts'], 'stage');
useGitStore.getState().restoreStatus('/repo', previousStatus);
expect(useGitStore.getState().getDirectoryState('/repo')?.status).toBe(initialStatus);
});
});