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import type { CrudApi, CrudCollectionEntry } from '../types';
export type Setup = () => {
crud: CrudApi;
snapshot: () => Record<string, string | null>;
};
const b = (str: string) => {
const buf = Buffer.from(str);
return new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength);
};
export const testCrudfs = (setup: Setup) => {
describe('.put()', () => {
test('throws if the type is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.put(['.', 'foo'], 'bar', new Uint8Array()));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'put' on 'crudfs': Name is not allowed.");
});
test('throws if id is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.put(['foo'], '..', new Uint8Array()));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'put' on 'crudfs': Name is not allowed.");
});
test('can store a resource at root', async () => {
const { crud, snapshot } = setup();
await crud.put([], 'bar', b('abc'));
expect(snapshot()).toStrictEqual({
'/bar': 'abc',
});
});
test('can store a resource in two levels deep collection', async () => {
const { crud, snapshot } = setup();
await crud.put(['a', 'b'], 'bar', b('abc'));
expect(snapshot()).toStrictEqual({
'/a/b/bar': 'abc',
});
});
test('can overwrite existing resource', async () => {
const { crud, snapshot } = setup();
await crud.put(['a', 'b'], 'bar', b('abc'));
await crud.put(['a', 'b'], 'bar', b('efg'));
expect(snapshot()).toStrictEqual({
'/a/b/bar': 'efg',
});
});
test('can choose to throw if item already exists', async () => {
const { crud } = setup();
await crud.put(['a', 'b'], 'bar', b('abc'), { throwIf: 'exists' });
const [, err] = await of(crud.put(['a', 'b'], 'bar', b('efg'), { throwIf: 'exists' }));
expect(err).toBeInstanceOf(DOMException);
expect((<DOMException>err).name).toBe('Exists');
});
test('can choose to throw if item does not exist', async () => {
const { crud, snapshot } = setup();
const [, err] = await of(crud.put(['a', 'b'], 'bar', b('1'), { throwIf: 'missing' }));
await crud.put(['a', 'b'], 'bar', b('2'));
await crud.put(['a', 'b'], 'bar', b('3'), { throwIf: 'missing' });
expect(err).toBeInstanceOf(DOMException);
expect((<DOMException>err).name).toBe('Missing');
expect(snapshot()).toStrictEqual({
'/a/b/bar': '3',
});
});
});
describe('.get()', () => {
test('throws if the type is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.get(['', 'foo'], 'bar'));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'get' on 'crudfs': Name is not allowed.");
});
test('throws if id is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.get(['foo'], ''));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'get' on 'crudfs': Name is not allowed.");
});
test('throws if collection does not exist', async () => {
const { crud } = setup();
const [, err] = await of(crud.get(['foo'], 'bar'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
test('throws if resource does not exist', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const [, err] = await of(crud.get(['foo'], 'baz'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('ResourceNotFound');
});
test('can fetch an existing resource', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const blob = await crud.get(['foo'], 'bar');
expect(blob).toStrictEqual(b('abc'));
});
});
describe('.del()', () => {
test('throws if the type is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.del(['sdf\\dd', 'foo'], 'bar'));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'del' on 'crudfs': Name is not allowed.");
});
test('throws if id is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.del(['foo'], 'asdf/asdf'));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'del' on 'crudfs': Name is not allowed.");
});
describe('when collection does not exist', () => {
test('throws by default', async () => {
const { crud } = setup();
const [, err] = await of(crud.del(['foo'], 'bar'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
test('does not throw when "silent" flag set', async () => {
const { crud } = setup();
await crud.del(['foo'], 'bar', true);
});
});
describe('when collection is found but resource is not', () => {
test('throws by default', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const [, err] = await of(crud.del(['foo'], 'baz'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('ResourceNotFound');
});
test('does not throw when "silent" flag set', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
await crud.del(['foo'], 'baz', true);
});
});
test('deletes an existing resource', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
await crud.get(['foo'], 'bar');
await crud.del(['foo'], 'bar');
const [, err] = await of(crud.get(['foo'], 'bar'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('ResourceNotFound');
});
});
describe('.info()', () => {
test('throws if the type is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.info(['', 'foo'], 'bar'));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'info' on 'crudfs': Name is not allowed.");
});
test('throws if id is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.info(['foo'], '/'));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'info' on 'crudfs': Name is not allowed.");
});
test('can retrieve information about a resource', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const info = await crud.info(['foo'], 'bar');
expect(info).toMatchObject({
type: 'resource',
id: 'bar',
size: 3,
modified: expect.any(Number),
});
});
test('can retrieve information about a collection', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const info = await crud.info(['foo']);
expect(info).toMatchObject({
type: 'collection',
});
});
test('throws when resource not found', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('abc'));
const [, err] = await of(crud.info(['foo'], 'baz'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('ResourceNotFound');
});
test('throws when collection not found', async () => {
const { crud } = setup();
await crud.put(['foo', 'a'], 'bar', b('abc'));
const [, err] = await of(crud.info(['foo', 'b'], 'baz'));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
});
describe('.drop()', () => {
test('throws if the collection is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.drop(['', 'foo']));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'drop' on 'crudfs': Name is not allowed.");
});
test('can recursively delete a collection', async () => {
const { crud } = setup();
await crud.put(['foo', 'a'], 'bar', b('1'));
await crud.put(['foo', 'a'], 'baz', b('2'));
await crud.put(['foo', 'b'], 'xyz', b('3'));
const info = await crud.info(['foo', 'a']);
expect(info.type).toBe('collection');
await crud.drop(['foo', 'a']);
const [, err] = await of(crud.info(['foo', 'a']));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
test('throws if collection does not exist', async () => {
const { crud } = setup();
await crud.put(['foo', 'a'], 'bar', b('1'));
await crud.put(['foo', 'a'], 'baz', b('2'));
await crud.put(['foo', 'b'], 'xyz', b('3'));
const [, err] = await of(crud.drop(['gg']));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
test('when "silent" flag set, does not throw if collection does not exist', async () => {
const { crud } = setup();
await crud.put(['foo', 'a'], 'bar', b('1'));
await crud.put(['foo', 'a'], 'baz', b('2'));
await crud.put(['foo', 'b'], 'xyz', b('3'));
await crud.drop(['gg'], true);
});
test('can recursively delete everything from root', async () => {
const { crud, snapshot } = setup();
await crud.put(['foo', 'a'], 'bar', b('1'));
await crud.put(['baz', 'a'], 'baz', b('2'));
await crud.put(['bar', 'b'], 'xyz', b('3'));
const info = await crud.info(['foo', 'a']);
expect(info.type).toBe('collection');
await crud.drop([]);
expect(snapshot()).toEqual({});
});
});
describe('.scan()', () => {
test('throws if the collection is not valid', async () => {
const { crud } = setup();
try {
const iterable = crud.scan(['./..', 'foo']);
await iterable.next();
throw 'should not reach here';
} catch (err) {
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'scan' on 'crudfs': Name is not allowed.");
}
});
test('can retrieve a list of resources and collections at root', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('1'));
await crud.put([], 'baz', b('1'));
await crud.put([], 'qux', b('2'));
const list: CrudCollectionEntry[] = [];
for await (const entry of crud.scan([])) list.push(entry);
expect(list.length).toBe(3);
expect(list.find(x => x.id === 'baz')).toMatchObject({
type: 'resource',
id: 'baz',
});
expect(list.find(x => x.id === 'qux')).toMatchObject({
type: 'resource',
id: 'qux',
});
expect(list.find(x => x.id === 'foo')).toMatchObject({
type: 'collection',
id: 'foo',
});
});
test('throws when trying to list a non-existing collection', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('1'));
await crud.put([], 'baz', b('1'));
await crud.put([], 'qux', b('2'));
const iterator = crud.scan(['gg']);
const [, err] = await of(iterator.next());
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
});
describe('.list()', () => {
test('throws if the collection is not valid', async () => {
const { crud } = setup();
const [, err] = await of(crud.list(['./..', 'foo']));
expect(err).toBeInstanceOf(TypeError);
expect((<any>err).message).toBe("Failed to execute 'scan' on 'crudfs': Name is not allowed.");
});
test('can retrieve a list of resources and collections at root', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('1'));
await crud.put([], 'baz', b('1'));
await crud.put([], 'qux', b('2'));
const list = await crud.list([]);
expect(list.length).toBe(3);
expect(list.find(x => x.id === 'baz')).toMatchObject({
type: 'resource',
id: 'baz',
});
expect(list.find(x => x.id === 'qux')).toMatchObject({
type: 'resource',
id: 'qux',
});
expect(list.find(x => x.id === 'foo')).toMatchObject({
type: 'collection',
id: 'foo',
});
});
test('throws when trying to list a non-existing collection', async () => {
const { crud } = setup();
await crud.put(['foo'], 'bar', b('1'));
await crud.put([], 'baz', b('1'));
await crud.put([], 'qux', b('2'));
const [, err] = await of(crud.list(['gg']));
expect(err).toBeInstanceOf(DOMException);
expect((<any>err).name).toBe('CollectionNotFound');
});
});
};
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