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import json |
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import unittest |
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import warnings |
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from server import server |
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7
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8
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class TestSwaggerCoverage(unittest.TestCase): |
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@classmethod |
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def setUpClass(cls): |
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cls.client = server.test_client() |
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cls.BANNED_RULES = ['/routes', '/status', '/spec', '/ping', '/specs', '/apidocs', '/static'] |
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cls.THRESHOLD = 100 |
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def test_swagger_coverage(self): |
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""" The swagger coverage should be 100% """ |
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self.color_print('yellow', '\n##### SWAGGER COVERAGE #####') |
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swagger_specs = self.retrieve_swagger_specs() |
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rules = self.filter_rules(self.client.application.url_map.iter_rules()) |
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covered_methods, methods_total = self.retrieve_covered_methods_number(rules, swagger_specs) |
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coverage = int(100 * covered_methods / methods_total) |
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end_color = 'green' if coverage == 100 else 'yellow' |
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self.color_print(end_color, str(covered_methods) + ' of ' + str(methods_total) + ' routes are swagged') |
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self.assertTrue(coverage >= self.THRESHOLD) |
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def retrieve_swagger_specs(self): |
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""" Fetch the swagger specs """ |
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# suppress flasgger unclosed file warnings |
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with warnings.catch_warnings(): |
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warnings.filterwarnings("ignore", message="unclosed file") |
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response = self.client.get('application/spec') |
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response_json = json.loads(response.data.decode('utf-8')) |
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swagger_specs = response_json['paths'] |
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return swagger_specs |
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def retrieve_covered_methods_number(self, rules, swagger_specs): |
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""" Return the number of covered methods and the number of methods """ |
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methods_total = 0 |
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covered_methods = 0 |
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for rule in rules: |
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methods = self.filter_methods(rule.methods) |
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parsed_rule = self.format_rule(rule) |
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for method in methods: |
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methods_total += 1 |
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try: |
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swagger_specs[parsed_rule][method.lower()] |
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covered_methods += 1 |
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except KeyError: |
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self.color_print('red', 'Uncovered: ' + method + ' of route ' + parsed_rule) |
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continue |
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return (covered_methods, methods_total) |
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@staticmethod |
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def filter_methods(methods): |
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""" Filter methods OPTIONS and HEAD """ |
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return [ |
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method |
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for method in methods |
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if method not in ['OPTIONS', 'HEAD'] |
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] |
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@staticmethod |
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def format_rule(rule): |
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""" |
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Format the rule for swagger |
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Replace '<' with '{' and '>' with '}' |
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Remove arguments type |
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""" |
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return str(rule).replace('<', '{').replace('>', '}').replace('string:', '').replace('int:', '') |
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def filter_rules(self, rules): |
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""" Filter rules that do not need to be documented """ |
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return [ |
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rule |
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for rule in rules |
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if not any(banned_rule in str(rule) for banned_rule in self.BANNED_RULES) |
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] |
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@staticmethod |
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def color_print(color, message): |
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""" Print message with some nice color """ |
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colors = { |
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'green': '\033[92m', |
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'yellow': '\033[93m', |
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'red': '\033[91m', |
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'endc': '\033[0m', |
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} |
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print(colors[color] + message + colors['endc']) |
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if __name__ == '__main__': |
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unittest.main() |
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antkahn /
flask-api-starter-kit
