| mockery-package | R package to make mocking easier | 
| call-expectations | Expectation: does the given call match the expected? | 
| expect_args | Expectation: does the given call match the expected? | 
| expect_call | Expectation: does the given call match the expected? | 
| expect_called | Expectation: does the given call match the expected? | 
| length.mock | Create and query a mocked function. | 
| mock | Create and query a mocked function. | 
| mockery | R package to make mocking easier | 
| mock_args | Create and query a mocked function. | 
| mock_calls | Create and query a mocked function. | 
| stub | Replace a function with a stub. |