private static Dataflow buildMockDataflow(ArgumentMatcher<Job> jobMatcher) throws IOException {
Dataflow mockDataflowClient = mock(Dataflow.class);
Dataflow.Projects mockProjects = mock(Dataflow.Projects.class);
Dataflow.Projects.Jobs mockJobs = mock(Dataflow.Projects.Jobs.class);
Dataflow.Projects.Jobs.Create mockRequest = mock(Dataflow.Projects.Jobs.Create.class);
when(mockDataflowClient.projects()).thenReturn(mockProjects);
when(mockProjects.jobs()).thenReturn(mockJobs);
when(mockJobs.create(eq("someProject"), argThat(jobMatcher))).thenReturn(mockRequest);
Job resultJob = new Job();
resultJob.setId("newid");
when(mockRequest.execute()).thenReturn(resultJob);
return mockDataflowClient;
}
