memfs
Version:
In-memory file-system with Node's fs API.
63 lines • 2.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const sync_1 = require("../sync");
const __1 = require("../..");
test('can snapshot a single file', () => {
const { fs } = (0, __1.memfs)({
'/foo': 'bar',
});
const snapshot = (0, sync_1.toSnapshotSync)({ fs, path: '/foo' });
expect(snapshot).toStrictEqual([1 /* SnapshotNodeType.File */, expect.any(Object), new Uint8Array([98, 97, 114])]);
});
test('can snapshot a single folder', () => {
const { fs } = (0, __1.memfs)({
'/foo': null,
});
const snapshot = (0, sync_1.toSnapshotSync)({ fs, path: '/foo' });
expect(snapshot).toStrictEqual([0 /* SnapshotNodeType.Folder */, expect.any(Object), {}]);
});
test('can snapshot a folder with a file and symlink', () => {
const { fs } = (0, __1.memfs)({
'/foo': 'bar',
});
fs.symlinkSync('/foo', '/baz');
const snapshot = (0, sync_1.toSnapshotSync)({ fs, path: '/' });
expect(snapshot).toStrictEqual([
0 /* SnapshotNodeType.Folder */,
expect.any(Object),
{
foo: [1 /* SnapshotNodeType.File */, expect.any(Object), new Uint8Array([98, 97, 114])],
baz: [2 /* SnapshotNodeType.Symlink */, { target: '/foo' }],
},
]);
});
test('can create a snapshot and un-snapshot a complex fs tree', () => {
const { fs } = (0, __1.memfs)({
'/start': {
file1: 'file1',
file2: 'file2',
'empty-folder': null,
'/folder1': {
file3: 'file3',
file4: 'file4',
'empty-folder': null,
'/folder2': {
file5: 'file5',
file6: 'file6',
'empty-folder': null,
'empty-folde2': null,
},
},
},
});
fs.symlinkSync('/start/folder1/folder2/file6', '/start/folder1/symlink');
fs.writeFileSync('/start/binary', new Uint8Array([1, 2, 3]));
const snapshot = (0, sync_1.toSnapshotSync)({ fs, path: '/start' });
const { fs: fs2, vol: vol2 } = (0, __1.memfs)();
fs2.mkdirSync('/start', { recursive: true });
(0, sync_1.fromSnapshotSync)(snapshot, { fs: fs2, path: '/start' });
expect(fs2.readFileSync('/start/binary')).toStrictEqual(Buffer.from([1, 2, 3]));
const snapshot2 = (0, sync_1.toSnapshotSync)({ fs: fs2, path: '/start' });
expect(snapshot2).toStrictEqual(snapshot);
});
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