def test_process_file3(config):
grapher = LookMlGrapher(config)
assert grapher.node_map == {}
grapher.process_file("test/grapher_lkml/some_view.view.lkml")
assert 'some_view' in grapher.node_map
assert grapher.node_map['some_view'] == NodeType.VIEW
if os.path.exists(config['tmp_file']):
os.remove(config['tmp_file'])
def test_process_file(config):
grapher = LookMlGrapher(config)
assert grapher.models_to_explores == []
assert grapher.explores_to_views == []
grapher.process_file("test/grapher_lkml/some_model.model.lkml")
assert grapher.models_to_explores == [('some_model', 'some_explore')]
assert grapher.explores_to_views == [('some_explore', 'some_view'),
('some_explore', 'some_other_view')]
if os.path.exists(config['tmp_file']):
os.remove(config['tmp_file'])
def test_process_file2(config):
grapher = LookMlGrapher(config)
assert grapher.models_to_explores == []
assert grapher.explores_to_views == []
json_data = grapher.lookml.get_json_representation(
"test/grapher_lkml/some_model.model.lkml")
grapher.process_file(None, json_data)
assert grapher.models_to_explores == [('some_model', 'some_explore')]
assert grapher.explores_to_views == [('some_explore', 'some_view'),
('some_explore', 'some_other_view')]
if os.path.exists(config['tmp_file']):
os.remove(config['tmp_file'])
def test_process_file5(config):
grapher = LookMlGrapher(config)
with pytest.raises(Exception) as e:
grapher.process_file("test/empty.view.lkml")
assert 'No models, views, or explores?' in str(e.value)
class NoOrphansRule(Rule):
'''
Look for views unreferenced by any explores
'''
def __init__(self, config):
'''Initialize the rule
Args:
config (JSON): configuration
'''
self.config = config
self.grapher = LookMlGrapher(config)
self.view_dict = {}
def run(self, json_data):
'''run the rule
Args:
json_data (JSON): json_data of the lookml-parser dictionary for this file
Returns:
(tuple): tuple containing:
relevant (bool): is this rule relevant for this JSON chunk?
passed (bool): did the rule pass?
'''
pass # pragma: no cover
def process_file(self, json_data):
'''process the JSON_DATA of a file, delegating down to the grapher
also store metadata we'll need in a later stage
Args:
json_data (JSON): json_data: parsed lkml file as JSON
Returns:
nothing. side effect is to store data in grapher and in this class
'''
self.grapher.process_file(filepath=None, json_data=json_data)
# we'll need the view_namme->filename mapping to output later
if 'views' in json_data['files'][0]:
view_name = json_data['files'][0]['views'][0]['_view']
filepath = json_data['files'][0]['_file_path']
self.view_dict[view_name] = filepath
def finish_up(self, file_out):
'''find the orphans, if any, and add results to file_out
Args:
file_out (list): list of results for files
Returns:
file_out (list)
'''
self.grapher.tag_orphans()
orphans = self.grapher.orphans()
for orphan in orphans:
simple_filepath = self.view_dict[orphan] #['files'][0]['_file_path']
logging.info("Found orphan %s in %s", orphan, simple_filepath)
out = {"file": simple_filepath, "rule": self.name(), "passed": 0}
file_out.append(out)
return (file_out)
