How to use

setTags

function

in

File

it('beforeSaveFile should contain metadata and tags saved from client', async () => {
  await reconfigureServer({ filesAdapter: mockAdapter });
  const createFileSpy = spyOn(mockAdapter, 'createFile').and.callThrough();
  Parse.Cloud.beforeSaveFile(async (req) => {
   expect(req.triggerName).toEqual('beforeSaveFile');
   expect(req.fileSize).toBe(3);
   expect(req.file).toBeInstanceOf(Parse.File);
   expect(req.file.name()).toBe('popeye.txt');
   expect(req.file.metadata()).toEqual({ foo: 'bar' });
   expect(req.file.tags()).toEqual({ bar: 'foo' });
  });
  const file = new Parse.File('popeye.txt', [1, 2, 3], 'text/plain');
  file.setMetadata({ foo: 'bar' });
  file.setTags({ bar: 'foo' });
  const result = await file.save({ useMasterKey: true });
  expect(result).toBeInstanceOf(Parse.File);
  const options = {
   metadata: { foo: 'bar' },
   tags: { bar: 'foo' },
  };
  expect(createFileSpy).toHaveBeenCalledWith(jasmine.any(String), jasmine.any(Buffer), 'text/plain', options);
 });

it('beforeSaveFile should change values by returning new fileObject', async () => {
  await reconfigureServer({ filesAdapter: mockAdapter });
  const createFileSpy = spyOn(mockAdapter, 'createFile').and.callThrough();
  Parse.Cloud.beforeSaveFile(async (req) => {
   expect(req.triggerName).toEqual('beforeSaveFile');
   expect(req.fileSize).toBe(3);
   const newFile = new Parse.File('donald_duck.pdf', [4, 5, 6], 'application/pdf');
   newFile.setMetadata({ foo: 'bar' });
   newFile.setTags({ tagA: 'some-tag' });
   return newFile;
  });
  const file = new Parse.File('popeye.txt', [1, 2, 3], 'text/plain');
  const result = await file.save({ useMasterKey: true });
  expect(result).toBeInstanceOf(Parse.File);
  const newData = new Buffer([4, 5, 6]);
  const newContentType = 'application/pdf';
  const newOptions = {
   tags: {
    tagA: 'some-tag',
   },
   metadata: {
    foo: 'bar',
   },
  };
  expect(createFileSpy).toHaveBeenCalledWith(jasmine.any(String), newData, newContentType, newOptions);
  const expectedFileName = 'donald_duck.pdf';
  expect(file._name.indexOf(expectedFileName)).toBe(file._name.length - expectedFileName.length);
 });