Files
httprunner/httprunner/api.py
2019-01-24 17:14:44 +08:00

273 lines
8.5 KiB
Python

# encoding: utf-8
import os
import unittest
from httprunner import (exceptions, loader, logger, parser, report, runner,
utils, validator)
class HttpRunner(object):
def __init__(self, failfast=False, save_tests=False, report_template=None, report_dir=None,
log_level="INFO", log_file=None):
""" initialize HttpRunner.
Args:
failfast (bool): stop the test run on the first error or failure.
save_tests (bool): save loaded/parsed tests to JSON file.
report_template (str): report template file path, template should be in Jinja2 format.
report_dir (str): html report save directory.
log_level (str): logging level.
log_file (str): log file path.
"""
self.exception_stage = "initialize HttpRunner()"
kwargs = {
"failfast": failfast,
"resultclass": report.HtmlTestResult
}
self.unittest_runner = unittest.TextTestRunner(**kwargs)
self.test_loader = unittest.TestLoader()
self.save_tests = save_tests
self.report_template = report_template
self.report_dir = report_dir
self._summary = None
if log_file:
logger.setup_logger(log_level, log_file)
def _add_tests(self, tests_mapping):
""" initialize testcase with Runner() and add to test suite.
Args:
tests_mapping (dict): project info and testcases list.
Returns:
unittest.TestSuite()
"""
def _add_test(test_runner, test_dict):
""" add test to testcase.
"""
def test(self):
try:
test_runner.run_test(test_dict)
except exceptions.MyBaseFailure as ex:
self.fail(str(ex))
finally:
self.meta_datas = test_runner.meta_datas
if "config" in test_dict:
# run nested testcase
test.__doc__ = test_dict["config"].get("name")
else:
# run api test
test.__doc__ = test_dict.get("name")
return test
test_suite = unittest.TestSuite()
functions = tests_mapping.get("project_mapping", {}).get("functions", {})
for testcase in tests_mapping["testcases"]:
config = testcase.get("config", {})
test_runner = runner.Runner(config, functions)
TestSequense = type('TestSequense', (unittest.TestCase,), {})
tests = testcase.get("teststeps", [])
for index, test_dict in enumerate(tests):
for times_index in range(int(test_dict.get("times", 1))):
# suppose one testcase should not have more than 9999 steps,
# and one step should not run more than 999 times.
test_method_name = 'test_{:04}_{:03}'.format(index, times_index)
test_method = _add_test(test_runner, test_dict)
setattr(TestSequense, test_method_name, test_method)
loaded_testcase = self.test_loader.loadTestsFromTestCase(TestSequense)
setattr(loaded_testcase, "config", config)
setattr(loaded_testcase, "teststeps", tests)
setattr(loaded_testcase, "runner", test_runner)
test_suite.addTest(loaded_testcase)
return test_suite
def _run_suite(self, test_suite):
""" run tests in test_suite
Args:
test_suite: unittest.TestSuite()
Returns:
list: tests_results
"""
tests_results = []
for testcase in test_suite:
testcase_name = testcase.config.get("name")
logger.log_info("Start to run testcase: {}".format(testcase_name))
result = self.unittest_runner.run(testcase)
tests_results.append((testcase, result))
return tests_results
def _aggregate(self, tests_results):
""" aggregate results
Args:
tests_results (list): list of (testcase, result)
"""
summary = {
"success": True,
"stat": {
"testcases": {
"total": len(tests_results),
"success": 0,
"fail": 0
},
"teststeps": {}
},
"time": {},
"platform": report.get_platform(),
"details": []
}
for tests_result in tests_results:
testcase, result = tests_result
testcase_summary = report.get_summary(result)
if testcase_summary["success"]:
summary["stat"]["testcases"]["success"] += 1
else:
summary["stat"]["testcases"]["fail"] += 1
summary["success"] &= testcase_summary["success"]
testcase_summary["name"] = testcase.config.get("name")
testcase_summary["in_out"] = utils.get_testcase_io(testcase)
report.aggregate_stat(summary["stat"]["teststeps"], testcase_summary["stat"])
report.aggregate_stat(summary["time"], testcase_summary["time"])
summary["details"].append(testcase_summary)
return summary
def run_tests(self, tests_mapping):
""" run testcase/testsuite data
"""
# parse tests
self.exception_stage = "parse tests"
parsed_tests_mapping = parser.parse_tests(tests_mapping)
if self.save_tests:
utils.dump_tests(parsed_tests_mapping, "parsed")
# add tests to test suite
self.exception_stage = "add tests to test suite"
test_suite = self._add_tests(parsed_tests_mapping)
# run test suite
self.exception_stage = "run test suite"
results = self._run_suite(test_suite)
# aggregate results
self.exception_stage = "aggregate results"
self._summary = self._aggregate(results)
# generate html report
self.exception_stage = "generate html report"
report.stringify_summary(self._summary)
if self.save_tests:
utils.dump_summary(self._summary, tests_mapping["project_mapping"])
report_path = report.render_html_report(
self._summary,
self.report_template,
self.report_dir
)
return report_path
def run_path(self, path, dot_env_path=None, mapping=None):
""" run testcase/testsuite file or folder.
Args:
path (str): testcase/testsuite file/foler path.
dot_env_path (str): specified .env file path.
mapping (dict): if mapping is specified, it will override variables in config block.
Returns:
instance: HttpRunner() instance
"""
# load tests
self.exception_stage = "load tests"
tests_mapping = loader.load_tests(path, dot_env_path)
tests_mapping["project_mapping"]["test_path"] = path
if mapping:
tests_mapping["project_mapping"]["variables"] = mapping
if self.save_tests:
utils.dump_tests(tests_mapping, "loaded")
return self.run_tests(tests_mapping)
def run(self, path_or_tests, dot_env_path=None, mapping=None):
""" main interface.
Args:
path_or_tests:
str: testcase/testsuite file/foler path
dict: valid testcase/testsuite data
"""
if validator.is_testcase_path(path_or_tests):
return self.run_path(path_or_tests, dot_env_path, mapping)
elif validator.is_testcases(path_or_tests):
return self.run_tests(path_or_tests)
else:
raise exceptions.ParamsError("Invalid testcase path or testcases: {}".format(path_or_tests))
@property
def summary(self):
""" get test reuslt summary.
"""
return self._summary
def prepare_locust_tests(path):
""" prepare locust testcases
Args:
path (str): testcase file path.
Returns:
dict: locust tests data
{
"functions": {},
"tests": []
}
"""
tests_mapping = loader.load_tests(path)
parsed_tests_mapping = parser.parse_tests(tests_mapping)
functions = parsed_tests_mapping.get("project_mapping", {}).get("functions", {})
tests = []
for testcase in parsed_tests_mapping["testcases"]:
testcase_weight = testcase.get("config", {}).pop("weight", 1)
for _ in range(testcase_weight):
tests.append(testcase)
return {
"functions": functions,
"tests": tests
}