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.. _dev_guide_remote_data_manager_tests:
Tests using the Remote Data Manager
===================================
A pytest fixture (``sunpy_cache``) is provided for ease of mocking network requests when using cache.
The following example demonstrates the usage of the fixture:
.. code-block:: python
@manager.require('test_file',
['http://data.sunpy.org/sample-data/predicted-sunspot-radio-flux.txt'],
'4c85b04a5528aa97eb84a087450eda0421c71833820576330bba148564089b11')
def test_function():
return manager.get('test_file')
@pytest.fixture()
def local_cache(sunpy_cache):
sunpy_cache = sunpy_cache('sunpy.test_module.cache')
sunpy_cache.add('http://example.com/test_file',
'test_data_path')
The above snippet creates a pytest fixture called ``local_cache``.
This fixture can be used in wherever the files have to be mocked.
An example is given below:
.. code-block:: python
def test_test_function(local_cache):
# inside this function the mocked cache is used
# test_function uses 'http://example.com/test_file'
assert test_function() == True
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