Files
httprunner/httprunner/utils.py
2018-07-25 17:32:12 +08:00

580 lines
18 KiB
Python

# encoding: utf-8
import copy
import csv
import hashlib
import hmac
import imp
import importlib
import io
import json
import os.path
import random
import re
import string
import types
from datetime import datetime
import yaml
from httprunner import exceptions, logger
from httprunner.compat import OrderedDict, is_py2, is_py3, str
from requests.structures import CaseInsensitiveDict
SECRET_KEY = "DebugTalk"
def gen_random_string(str_len):
return ''.join(
random.choice(string.ascii_letters + string.digits) for _ in range(str_len))
def gen_md5(*str_args):
return hashlib.md5("".join(str_args).encode('utf-8')).hexdigest()
def get_sign(*args):
content = ''.join(args).encode('ascii')
sign_key = SECRET_KEY.encode('ascii')
sign = hmac.new(sign_key, content, hashlib.sha1).hexdigest()
return sign
def remove_prefix(text, prefix):
""" remove prefix from text
"""
if text.startswith(prefix):
return text[len(prefix):]
return text
class FileUtils(object):
@staticmethod
def _check_format(file_path, content):
""" check testcase format if valid
"""
if not content:
# testcase file content is empty
err_msg = u"Testcase file content is empty: {}".format(file_path)
logger.log_error(err_msg)
raise exceptions.FileFormatError(err_msg)
elif not isinstance(content, (list, dict)):
# testcase file content does not match testcase format
err_msg = u"Testcase file content format invalid: {}".format(file_path)
logger.log_error(err_msg)
raise exceptions.FileFormatError(err_msg)
@staticmethod
def _load_yaml_file(yaml_file):
""" load yaml file and check file content format
"""
with io.open(yaml_file, 'r', encoding='utf-8') as stream:
yaml_content = yaml.load(stream)
FileUtils._check_format(yaml_file, yaml_content)
return yaml_content
@staticmethod
def _load_json_file(json_file):
""" load json file and check file content format
"""
with io.open(json_file, encoding='utf-8') as data_file:
try:
json_content = json.load(data_file)
except exceptions.JSONDecodeError:
err_msg = u"JSONDecodeError: JSON file format error: {}".format(json_file)
logger.log_error(err_msg)
raise exceptions.FileFormatError(err_msg)
FileUtils._check_format(json_file, json_content)
return json_content
@staticmethod
def _load_csv_file(csv_file):
""" load csv file and check file content format
@param
csv_file: csv file path
e.g. csv file content:
username,password
test1,111111
test2,222222
test3,333333
@return
list of parameter, each parameter is in dict format
e.g.
[
{'username': 'test1', 'password': '111111'},
{'username': 'test2', 'password': '222222'},
{'username': 'test3', 'password': '333333'}
]
"""
csv_content_list = []
with io.open(csv_file, encoding='utf-8') as csvfile:
reader = csv.DictReader(csvfile)
for row in reader:
csv_content_list.append(row)
return csv_content_list
@staticmethod
def load_file(file_path):
if not os.path.isfile(file_path):
raise exceptions.FileNotFound("{} does not exist.".format(file_path))
file_suffix = os.path.splitext(file_path)[1].lower()
if file_suffix == '.json':
return FileUtils._load_json_file(file_path)
elif file_suffix in ['.yaml', '.yml']:
return FileUtils._load_yaml_file(file_path)
elif file_suffix == ".csv":
return FileUtils._load_csv_file(file_path)
else:
# '' or other suffix
err_msg = u"Unsupported file format: {}".format(file_path)
logger.log_warning(err_msg)
return []
@staticmethod
def load_folder_files(folder_path, recursive=True):
""" load folder path, return all files in list format.
@param
folder_path: specified folder path to load
recursive: if True, will load files recursively
"""
if isinstance(folder_path, (list, set)):
files = []
for path in set(folder_path):
files.extend(FileUtils.load_folder_files(path, recursive))
return files
if not os.path.exists(folder_path):
return []
file_list = []
for dirpath, dirnames, filenames in os.walk(folder_path):
filenames_list = []
for filename in filenames:
if not filename.endswith(('.yml', '.yaml', '.json')):
continue
filenames_list.append(filename)
for filename in filenames_list:
file_path = os.path.join(dirpath, filename)
file_list.append(file_path)
if not recursive:
break
return file_list
def query_json(json_content, query, delimiter='.'):
""" Do an xpath-like query with json_content.
@param (dict/list) json_content
json_content = {
"ids": [1, 2, 3, 4],
"person": {
"name": {
"first_name": "Leo",
"last_name": "Lee",
},
"age": 29,
"cities": ["Guangzhou", "Shenzhen"]
}
}
@param (str) query
"person.name.first_name" => "Leo"
"person.name.first_name.0" => "L"
"person.cities.0" => "Guangzhou"
@return queried result
"""
raise_flag = False
response_body = u"from: {}\n".format(json_content)
try:
for key in query.split(delimiter):
if isinstance(json_content, (list, str)):
json_content = json_content[int(key)]
elif isinstance(json_content, dict):
json_content = json_content[key]
else:
raise_flag = True
except (KeyError, ValueError, IndexError):
raise_flag = True
if raise_flag:
err_msg = u"ExtractFailure: Failed to extract! => {}\n".format(query)
err_msg += response_body
logger.log_error(err_msg)
raise exceptions.ExtractFailure(err_msg)
return json_content
def get_uniform_comparator(comparator):
""" convert comparator alias to uniform name
"""
if comparator in ["eq", "equals", "==", "is"]:
return "equals"
elif comparator in ["lt", "less_than"]:
return "less_than"
elif comparator in ["le", "less_than_or_equals"]:
return "less_than_or_equals"
elif comparator in ["gt", "greater_than"]:
return "greater_than"
elif comparator in ["ge", "greater_than_or_equals"]:
return "greater_than_or_equals"
elif comparator in ["ne", "not_equals"]:
return "not_equals"
elif comparator in ["str_eq", "string_equals"]:
return "string_equals"
elif comparator in ["len_eq", "length_equals", "count_eq"]:
return "length_equals"
elif comparator in ["len_gt", "count_gt", "length_greater_than", "count_greater_than"]:
return "length_greater_than"
elif comparator in ["len_ge", "count_ge", "length_greater_than_or_equals", \
"count_greater_than_or_equals"]:
return "length_greater_than_or_equals"
elif comparator in ["len_lt", "count_lt", "length_less_than", "count_less_than"]:
return "length_less_than"
elif comparator in ["len_le", "count_le", "length_less_than_or_equals", \
"count_less_than_or_equals"]:
return "length_less_than_or_equals"
else:
return comparator
def deep_update_dict(origin_dict, override_dict):
""" update origin dict with override dict recursively
e.g. origin_dict = {'a': 1, 'b': {'c': 2, 'd': 4}}
override_dict = {'b': {'c': 3}}
return: {'a': 1, 'b': {'c': 3, 'd': 4}}
"""
if not override_dict:
return origin_dict
for key, val in override_dict.items():
if isinstance(val, dict):
tmp = deep_update_dict(origin_dict.get(key, {}), val)
origin_dict[key] = tmp
elif val is None:
# fix #64: when headers in test is None, it should inherit from config
continue
else:
origin_dict[key] = override_dict[key]
return origin_dict
def is_function(tup):
""" Takes (name, object) tuple, returns True if it is a function.
"""
name, item = tup
return isinstance(item, types.FunctionType)
def is_variable(tup):
""" Takes (name, object) tuple, returns True if it is a variable.
"""
name, item = tup
if callable(item):
# function or class
return False
if isinstance(item, types.ModuleType):
# imported module
return False
if name.startswith("_"):
# private property
return False
return True
def get_imported_module(module_name):
""" import module and return imported module
"""
return importlib.import_module(module_name)
def get_imported_module_from_file(file_path):
""" import module from python file path and return imported module
"""
if is_py3:
imported_module = importlib.machinery.SourceFileLoader(
'module_name', file_path).load_module()
elif is_py2:
imported_module = imp.load_source('module_name', file_path)
else:
raise RuntimeError("Neither Python 3 nor Python 2.")
return imported_module
def filter_module(module, filter_type):
""" filter functions or variables from import module
@params
module: imported module
filter_type: "function" or "variable"
"""
filter_type = is_function if filter_type == "function" else is_variable
module_functions_dict = dict(filter(filter_type, vars(module).items()))
return module_functions_dict
def search_conf_item(start_path, item_type, item_name):
""" search expected function or variable recursive upward
@param
start_path: search start path
item_type: "function" or "variable"
item_name: function name or variable name
"""
dir_path = os.path.dirname(os.path.abspath(start_path))
target_file = os.path.join(dir_path, "debugtalk.py")
if os.path.isfile(target_file):
imported_module = get_imported_module_from_file(target_file)
items_dict = filter_module(imported_module, item_type)
if item_name in items_dict:
return items_dict[item_name]
else:
return search_conf_item(dir_path, item_type, item_name)
if dir_path == start_path:
# system root path
err_msg = "{} not found in recursive upward path!".format(item_name)
if item_type == "function":
raise exceptions.FunctionNotFound(err_msg)
else:
raise exceptions.VariableNotFound(err_msg)
return search_conf_item(dir_path, item_type, item_name)
def lower_dict_keys(origin_dict):
""" convert keys in dict to lower case
e.g.
Name => name, Request => request
URL => url, METHOD => method, Headers => headers, Data => data
"""
if not origin_dict or not isinstance(origin_dict, dict):
return origin_dict
return {
key.lower(): value
for key, value in origin_dict.items()
}
def lower_config_dict_key(config_dict):
""" convert key in config dict to lower case, convertion will occur in three places:
1, all keys in config dict;
2, all keys in config["request"]
3, all keys in config["request"]["headers"]
"""
# convert keys in config dict
config_dict = lower_dict_keys(config_dict)
if "request" in config_dict:
# convert keys in config["request"]
config_dict["request"] = lower_dict_keys(config_dict["request"])
# convert keys in config["request"]["headers"]
if "headers" in config_dict["request"]:
config_dict["request"]["headers"] = lower_dict_keys(config_dict["request"]["headers"])
return config_dict
def convert_to_order_dict(map_list):
""" convert mapping in list to ordered dict
@param (list) map_list
[
{"a": 1},
{"b": 2}
]
@return (OrderDict)
OrderDict({
"a": 1,
"b": 2
})
"""
ordered_dict = OrderedDict()
for map_dict in map_list:
ordered_dict.update(map_dict)
return ordered_dict
def update_ordered_dict(ordered_dict, override_mapping):
""" override ordered_dict with new mapping
@param
(OrderDict) ordered_dict
OrderDict({
"a": 1,
"b": 2
})
(dict) override_mapping
{"a": 3, "c": 4}
@return (OrderDict)
OrderDict({
"a": 3,
"b": 2,
"c": 4
})
"""
new_ordered_dict = copy.copy(ordered_dict)
for var, value in override_mapping.items():
new_ordered_dict.update({var: value})
return new_ordered_dict
def override_variables_binds(variables, new_mapping):
""" convert variables in testcase to ordered mapping, with new_mapping overrided
"""
if isinstance(variables, list):
variables_ordered_dict = convert_to_order_dict(variables)
elif isinstance(variables, (OrderedDict, dict)):
variables_ordered_dict = variables
else:
raise exceptions.ParamsError("variables error!")
return update_ordered_dict(
variables_ordered_dict,
new_mapping
)
def print_output(outputs):
if not outputs:
return
content = "\n================== Variables & Output ==================\n"
content += '{:<6} | {:<16} : {:<}\n'.format("Type", "Variable", "Value")
content += '{:<6} | {:<16} : {:<}\n'.format("-" * 6, "-" * 16, "-" * 27)
def prepare_content(var_type, in_out):
content = ""
for variable, value in in_out.items():
if is_py2:
if isinstance(variable, unicode):
variable = variable.encode("utf-8")
if isinstance(value, unicode):
value = value.encode("utf-8")
content += '{:<6} | {:<16} : {:<}\n'.format(var_type, variable, value)
return content
for output in outputs:
_in = output["in"]
_out = output["out"]
if not _out:
continue
content += prepare_content("Var", _in)
content += "\n"
content += prepare_content("Out", _out)
content += "-" * 56 + "\n"
logger.log_debug(content)
def create_scaffold(project_path):
if os.path.isdir(project_path):
folder_name = os.path.basename(project_path)
logger.log_warning(u"Folder {} exists, please specify a new folder name.".format(folder_name))
return
logger.color_print("Start to create new project: {}\n".format(project_path), "GREEN")
def create_path(path, ptype):
if ptype == "folder":
os.makedirs(path)
elif ptype == "file":
open(path, 'w').close()
return "created {}: {}\n".format(ptype, path)
path_list = [
(project_path, "folder"),
(os.path.join(project_path, "tests"), "folder"),
(os.path.join(project_path, "tests", "api"), "folder"),
(os.path.join(project_path, "tests", "suite"), "folder"),
(os.path.join(project_path, "tests", "testcases"), "folder"),
(os.path.join(project_path, "tests", "debugtalk.py"), "file")
]
msg = ""
for p in path_list:
msg += create_path(p[0], p[1])
logger.color_print(msg, "BLUE")
def load_dot_env_file(path):
""" load .env file and set to os.environ
"""
if not path:
path = os.path.join(os.getcwd(), ".env")
if not os.path.isfile(path):
logger.log_debug(".env file not exist: {}".format(path))
return
else:
if not os.path.isfile(path):
raise exceptions.FileNotFound("env file not exist: {}".format(path))
logger.log_info("Loading environment variables from {}".format(path))
with io.open(path, 'r', encoding='utf-8') as fp:
for line in fp:
variable, value = line.split("=")
variable = variable.strip()
os.environ[variable] = value.strip()
logger.log_debug("Loaded variable: {}".format(variable))
def validate_json_file(file_list):
""" validate JSON testset format
"""
for json_file in set(file_list):
if not json_file.endswith(".json"):
logger.log_warning("Only JSON file format can be validated, skip: {}".format(json_file))
continue
logger.color_print("Start to validate JSON file: {}".format(json_file), "GREEN")
with io.open(json_file) as stream:
try:
json.load(stream)
except ValueError as e:
raise SystemExit(e)
print("OK")
def prettify_json_file(file_list):
""" prettify JSON testset format
"""
for json_file in set(file_list):
if not json_file.endswith(".json"):
logger.log_warning("Only JSON file format can be prettified, skip: {}".format(json_file))
continue
logger.color_print("Start to prettify JSON file: {}".format(json_file), "GREEN")
dir_path = os.path.dirname(json_file)
file_name, file_suffix = os.path.splitext(os.path.basename(json_file))
outfile = os.path.join(dir_path, "{}.pretty.json".format(file_name))
with io.open(json_file, 'r', encoding='utf-8') as stream:
try:
obj = json.load(stream)
except ValueError as e:
raise SystemExit(e)
with io.open(outfile, 'w', encoding='utf-8') as out:
json.dump(obj, out, indent=4, separators=(',', ': '))
out.write('\n')
print("success: {}".format(outfile))
def get_python2_retire_msg():
retire_day = datetime(2020, 1, 1)
today = datetime.now()
left_days = (retire_day - today).days
if left_days > 0:
retire_msg = "Python 2 will retire in {} days, why not move to Python 3?".format(left_days)
else:
retire_msg = "Python 2 has been retired, you should move to Python 3."
return retire_msg