def extract_response(self, extractors):
""" extract value from requests.Response and store in OrderedDict.
Args:
extractors (list):
[
{"resp_status_code": "status_code"},
{"resp_headers_content_type": "headers.content-type"},
{"resp_content": "content"},
{"resp_content_person_first_name": "content.person.name.first_name"}
]
Returns:
OrderDict: variable binds ordered dict
"""
if not extractors:
return {}
logger.log_debug("start to extract from response object.")
extracted_variables_mapping = OrderedDict()
extract_binds_order_dict = utils.ensure_mapping_format(extractors)
for key, field in extract_binds_order_dict.items():
extracted_variables_mapping[key] = self.extract_field(field)
return extracted_variables_mapping
def log_print(req_resp_dict, r_type):
msg = "\n================== {} details ==================\n".format(
r_type)
for key, value in req_resp_dict[r_type].items():
if isinstance(value, dict):
msg += "{:<16} : {}\n".format(
key,
json.dumps(value,
sort_keys=True,
separators=(',', ':'),
ensure_ascii=False))
else:
# url decoder
msg += "{:<16} : {}\n".format(
key, unquote(repr(value), 'utf-8'))
logger.log_debug(msg)
def _send_request_safe_mode(self, method, url, **kwargs):
"""
Send a HTTP request, and catch any exception that might occur due to connection problems.
Safe mode has been removed from requests 1.x.
"""
try:
msg = "processed request:\n"
msg += "> {method} {url}\n".format(method=method, url=url)
msg += "> kwargs: {kwargs}".format(kwargs=kwargs)
logger.log_debug(msg)
return requests.Session.request(self, method, url, **kwargs)
except (MissingSchema, InvalidSchema, InvalidURL):
raise
except RequestException as ex:
resp = ApiResponse()
resp.error = ex
resp.status_code = 0 # with this status_code, content returns None
resp.request = Request(method, url).prepare()
return resp
def render_html_report(summary, report_template=None, report_dir=None):
""" render html report with specified report name and template
Args:
report_template (str): specify html report template path
report_dir (str): specify html report save directory
"""
if not report_template:
report_template = os.path.join(
os.path.abspath(os.path.dirname(__file__)), "templates",
"report_template.html")
logger.log_debug("No html report template specified, use default.")
else:
logger.log_info(
"render with html report template: {}".format(report_template))
logger.log_info("Start to render Html report ...")
report_dir = report_dir or os.path.join(os.getcwd(), "reports")
if not os.path.isdir(report_dir):
os.makedirs(report_dir)
start_at_timestamp = int(summary["time"]["start_at"])
summary["time"]["start_datetime"] = datetime.fromtimestamp(
start_at_timestamp).strftime('%Y-%m-%d %H:%M:%S')
report_path = os.path.join(
report_dir, "{}.html".format(summary["time"]["start_datetime"]))
with io.open(report_template, "r", encoding='utf-8') as fp_r:
template_content = fp_r.read()
with io.open(report_path, 'w', encoding='utf-8') as fp_w:
rendered_content = Template(template_content,
extensions=["jinja2.ext.loopcontrols"
]).render(summary)
fp_w.write(rendered_content)
logger.log_info("Generated Html report: {}".format(report_path))
return report_path
def do_hook_actions(self, actions, hook_type):
""" call hook actions.
Args:
actions (list): each action in actions list maybe in two format.
format1 (dict): assignment, the value returned by hook function will be assigned to variable.
{"var": "${func()}"}
format2 (str): only call hook functions.
${func()}
hook_type (enum): setup/teardown
"""
logger.log_debug("call {} hook actions.".format(hook_type))
for action in actions:
if isinstance(action, dict) and len(action) == 1:
# format 1
# {"var": "${func()}"}
var_name, hook_content = list(action.items())[0]
hook_content_eval = self.session_context.eval_content(
hook_content)
logger.log_debug("assignment with hook: {} = {} => {}".format(
var_name, hook_content, hook_content_eval))
self.session_context.update_test_variables(
var_name, hook_content_eval)
else:
# format 2
logger.log_debug("call hook function: {}".format(action))
# TODO: check hook function if valid
self.session_context.eval_content(action)
def extract_field(self, field):
""" extract value from requests.Response.
"""
if not isinstance(field, basestring):
err_msg = u"Invalid extractor! => {}\n".format(field)
logger.log_error(err_msg)
raise exceptions.ParamsError(err_msg)
msg = "extract: {}".format(field)
if text_extractor_regexp_compile.match(field):
value = self._extract_field_with_regex(field)
else:
value = self._extract_field_with_delimiter(field)
if is_py2 and isinstance(value, unicode):
value = value.encode("utf-8")
msg += "\t=> {}".format(value)
logger.log_debug(msg)
return value
def unset_os_environ(variables_mapping):
""" set variables mapping to os.environ
"""
for variable in variables_mapping:
os.environ.pop(variable)
logger.log_debug("Unset OS environment variable: {}".format(variable))
def set_os_environ(variables_mapping):
""" set variables mapping to os.environ
"""
for variable in variables_mapping:
os.environ[variable] = variables_mapping[variable]
logger.log_debug("Set OS environment variable: {}".format(variable))
def _run_test(self, test_dict):
""" run single teststep.
Args:
test_dict (dict): teststep info
{
"name": "teststep description",
"skip": "skip this test unconditionally",
"times": 3,
"variables": [], # optional, override
"request": {
"url": "http://127.0.0.1:5000/api/users/1000",
"method": "POST",
"headers": {
"Content-Type": "application/json",
"authorization": "$authorization",
"random": "$random"
},
"json": {"name": "user", "password": "******"}
},
"extract": {}, # optional
"validate": [], # optional
"setup_hooks": [], # optional
"teardown_hooks": [] # optional
}
Raises:
exceptions.ParamsError
exceptions.ValidationFailure
exceptions.ExtractFailure
"""
global tmp_extracted_variables
# clear meta data first to ensure independence for each test
self.__clear_test_data()
# check skip
self._handle_skip_feature(test_dict)
# prepare
test_dict = utils.lower_test_dict_keys(test_dict)
test_variables = test_dict.get("variables", {})
# override variables use former extracted_variables
test_variables.update(tmp_extracted_variables)
self.session_context.init_test_variables(test_variables)
# teststep name
test_name = self.session_context.eval_content(test_dict.get(
"name", ""))
# parse test request
raw_request = test_dict.get('request', {})
parsed_test_request = self.session_context.eval_content(raw_request)
self.session_context.update_test_variables("request",
parsed_test_request)
# prepend url with base_url unless it's already an absolute URL
url = parsed_test_request.pop('url')
base_url = self.session_context.eval_content(
test_dict.get("base_url", ""))
parsed_url = utils.build_url(base_url, url)
# setup hooks
setup_hooks = test_dict.get("setup_hooks", [])
if setup_hooks:
self.do_hook_actions(setup_hooks, "setup")
try:
method = parsed_test_request.pop('method')
parsed_test_request.setdefault("verify", self.verify)
group_name = parsed_test_request.pop("group", None)
except KeyError:
raise exceptions.ParamsError("URL or METHOD missed!")
# TODO: move method validation to json schema
valid_methods = [
"GET", "HEAD", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"
]
if method.upper() not in valid_methods:
err_msg = u"Invalid HTTP method! => {}\n".format(method)
err_msg += "Available HTTP methods: {}".format(
"/".join(valid_methods))
logger.log_error(err_msg)
raise exceptions.ParamsError(err_msg)
logger.log_info("{method} {url}".format(method=method, url=parsed_url))
logger.log_debug(
"request kwargs(raw): {kwargs}".format(kwargs=parsed_test_request))
# request
resp = self.http_client_session.request(method,
parsed_url,
name=(group_name or test_name),
**parsed_test_request)
resp_obj = response.ResponseObject(resp)
# extract
extractors = test_dict.get("extract", {})
if extractors:
extracted_variables_mapping = resp_obj.extract_response(extractors)
tmp_extracted_variables.update(extracted_variables_mapping)
self.session_context.update_session_variables(
extracted_variables_mapping)
self.session_context.update_session_variables(tmp_extracted_variables)
# validate
validators = test_dict.get("validate") or test_dict.get(
"validators") or []
try:
self.session_context.validate(validators, resp_obj)
except (exceptions.ParamsError, exceptions.ValidationFailure,
exceptions.ExtractFailure):
err_msg = "{} DETAILED REQUEST & RESPONSE {}\n".format(
"*" * 32, "*" * 32)
# log request
err_msg += "====== request details ======\n"
err_msg += "url: {}\n".format(parsed_url)
err_msg += "method: {}\n".format(method)
err_msg += "headers: {}\n".format(
parsed_test_request.pop("headers", {}))
for k, v in parsed_test_request.items():
v = utils.omit_long_data(v)
err_msg += "{}: {}\n".format(k, repr(v))
err_msg += "\n"
# log response
err_msg += "====== response details ======\n"
err_msg += "status_code: {}\n".format(resp_obj.status_code)
err_msg += "headers: {}\n".format(resp_obj.headers)
err_msg += "body: {}\n".format(repr(resp_obj.text))
logger.log_error(err_msg)
raise
finally:
self.validation_results = self.session_context.validation_results
# teardown hooks
teardown_hooks = test_dict.get("teardown_hooks", [])
if teardown_hooks:
self.session_context.update_test_variables(
"response", resp_obj)
self.do_hook_actions(teardown_hooks, "teardown")
def log_print(req_resp_dict, r_type):
msg = "\n================== {} details ==================\n".format(
r_type)
for key, value in req_resp_dict[r_type].items():
msg += "{:<16} : {}\n".format(key, repr(value))
logger.log_debug(msg)
def validate(self, validators, resp_obj):
""" make validation with comparators
"""
self.validation_results = []
if not validators:
return
logger.log_debug("start to validate.")
validate_pass = True
failures = []
for validator in validators:
# validator should be LazyFunction object
if not isinstance(validator, parser.LazyFunction):
raise exceptions.ValidationFailure(
"validator should be parsed first: {}".format(validators))
# evaluate validator args with context variable mapping.
validator_args = validator.get_args()
check_item, expect_item = validator_args
check_value = self.__eval_validator_check(check_item, resp_obj)
expect_value = self.__eval_validator_expect(expect_item)
validator.update_args([check_value, expect_value])
comparator = validator.func_name
validator_dict = {
"comparator": comparator,
"check": check_item,
"check_value": check_value,
"expect": expect_item,
"expect_value": expect_value
}
validate_msg = "\nvalidate: {} {} {}({})".format(
check_item, comparator, expect_value,
type(expect_value).__name__)
try:
validator.to_value(self.test_variables_mapping)
validator_dict["check_result"] = "pass"
validate_msg += "\t==> pass"
logger.log_debug(validate_msg)
except (AssertionError, TypeError):
validate_pass = False
validator_dict["check_result"] = "fail"
validate_msg += "\t==> fail"
validate_msg += "\n{}({}) {} {}({})".format(
check_value,
type(check_value).__name__, comparator, expect_value,
type(expect_value).__name__)
logger.log_error(validate_msg)
failures.append(validate_msg)
self.validation_results.append(validator_dict)
# restore validator args, in case of running multiple times
validator.update_args(validator_args)
if not validate_pass:
failures_string = "\n".join([failure for failure in failures])
raise exceptions.ValidationFailure(failures_string)
