def test_read_node_contents(self):
selector = ModelFileSelector(projection='%(content_file)s', file_field_name='content_file', model_class=Thing)
node = selector.get_nodes(AbstractNode(selector))[0]
expected_contents = open(__file__).read()
self.assertEqual(selector.read_node_contents(node), expected_contents)
def test_add_node(self):
selector = ModelFileSelector(projection='%(content_file)s', file_field_name='content_file', model_class=Thing)
abs_node = AbstractNode(selector)
new_node = Node(abstract_node=abs_node, pattern='text_file.txt')
selector.add_node(new_node)
node = selector.get_nodes(abs_node)[0]
self.assertEqual(node.pattern, new_node.pattern)
def test_node_contents_length(self):
selector = ModelFileSelector(projection='%(content_file)s', file_field_name='content_file', model_class=Thing)
node = selector.get_nodes(AbstractNode(selector))[0]
with open(__file__) as f:
f.seek(0, 2)
expected_file_size = f.tell()
f.close()
self.assertEqual(selector.node_contents_length(node), expected_file_size)
def test_write_node_contents(self):
selector = ModelFileSelector(projection='%(content_file)s', file_field_name='content_file', model_class=Thing)
node = selector.get_nodes(AbstractNode(selector))[0]
expected_contents = 'Blah blah blah'
node.write_contents(expected_contents, reset=True)
self.assertEqual(selector.read_node_contents(node), expected_contents)
node.write_contents(expected_contents, reset=False)
self.assertEqual(selector.read_node_contents(node), expected_contents * 2)
def test_get_nodes(self):
from os.path import basename
selector = ModelFileSelector(projection='%(content_file)s', file_field_name='content_file', model_class=Thing)
nodes = selector.get_nodes(AbstractNode(selector))
expected_cotent_file_name = basename(__file__)
self.assertIsInstance(nodes, list)
self.assertEqual(len(nodes), 1)
self.assertEqual(basename(nodes[0].pattern), expected_cotent_file_name)