def test_available_satpy_readers_known_cache(tmpdir, monkeypatch):
"""Test loading the satpy readers when the cache exists."""
p = tmpdir.join('satpy_available_readers.yaml')
with open(p, 'w') as cfile:
yaml.dump({}, cfile)
monkeypatch.setattr('uwsift.workspace.importer.SATPY_READER_CACHE_FILE',
str(p))
monkeypatch.setattr('uwsift.workspace.importer._SATPY_READERS', None)
# create the cache
_ = available_satpy_readers()
mod_time1 = os.stat(p).st_mtime
# load from the cache
monkeypatch.setattr('uwsift.workspace.importer._SATPY_READERS', None)
_ = available_satpy_readers()
mod_time2 = os.stat(p).st_mtime
assert mod_time1 == mod_time2, "Cache was not reused"
# force recreation of the cache
readers = available_satpy_readers(force_cache_refresh=True)
mod_time3 = os.stat(p).st_mtime
assert mod_time3 != mod_time1, "Cache was reused when it should have been recreated"
assert isinstance(readers, list)
assert len(readers) != 0
assert isinstance(readers[0], str)
def test_available_satpy_readers_no_cache(tmpdir, monkeypatch):
"""Test loading the satpy readers when we know the cache is missing."""
p = tmpdir.join('satpy_available_readers.yaml')
monkeypatch.setattr('uwsift.workspace.importer.SATPY_READER_CACHE_FILE', str(p))
readers = available_satpy_readers()
assert isinstance(readers, list)
assert len(readers) != 0
assert isinstance(readers[0], str)
def test_available_satpy_readers_empty_cache(tmpdir, monkeypatch):
"""Test loading the satpy readers when the cache exists but is empty."""
p = tmpdir.join('satpy_available_readers.yaml')
with open(p, 'w') as cfile:
yaml.dump({}, cfile)
monkeypatch.setattr('uwsift.workspace.importer.SATPY_READER_CACHE_FILE', str(p))
readers = available_satpy_readers()
assert isinstance(readers, list)
assert len(readers) != 0
assert isinstance(readers[0], str)
def _init_file_page(self):
if self.AVAILABLE_READERS:
readers = self.AVAILABLE_READERS
else:
satpy_readers = config.get('data_reading.readers')
readers = available_satpy_readers(as_dict=True)
readers = (r for r in readers if not satpy_readers or r['name'] in satpy_readers)
readers = sorted(readers, key=lambda x: x.get('long_name', x['name']))
readers = OrderedDict((ri.get('long_name', ri['name']), ri['name']) for ri in readers)
OpenFileWizard.AVAILABLE_READERS = readers
for idx, (reader_short_name, reader_name) in enumerate(readers.items()):
self.ui.readerComboBox.addItem(reader_short_name, reader_name)
if self.config['default_reader'] == reader_name:
self.ui.readerComboBox.setCurrentIndex(idx)
def test_available_satpy_readers_as_dict():
"""Test asking for reader info as dictionaries."""
readers = available_satpy_readers(as_dict=True)
assert isinstance(readers, list)
assert len(readers) != 0
assert isinstance(readers[0], dict)
def test_available_satpy_readers_defaults():
"""Test default behavior of the satpy reader function."""
readers = available_satpy_readers()
assert isinstance(readers, list)
assert len(readers) != 0
assert isinstance(readers[0], str) # names
