mirror of https://github.com/moparisthebest/wget
232 lines
7.2 KiB
Python
232 lines
7.2 KiB
Python
import os
|
|
import shutil
|
|
import shlex
|
|
import traceback
|
|
import re
|
|
import time
|
|
from subprocess import call
|
|
from misc.colour_terminal import print_red, print_blue
|
|
from exc.test_failed import TestFailed
|
|
import conf
|
|
|
|
HTTP = "HTTP"
|
|
HTTPS = "HTTPS"
|
|
|
|
|
|
class BaseTest:
|
|
|
|
"""
|
|
Class that defines methods common to both HTTP and FTP Tests.
|
|
Note that this is an abstract class, subclasses must implement
|
|
* stop_server()
|
|
* instantiate_server_by(protocol)
|
|
"""
|
|
|
|
def __init__(self, name, pre_hook, test_params, post_hook, protocols):
|
|
"""
|
|
Define the class-wide variables (or attributes).
|
|
Attributes should not be defined outside __init__.
|
|
"""
|
|
self.name = name
|
|
self.pre_configs = pre_hook or {} # if pre_hook == None, then
|
|
# {} (an empty dict object) is
|
|
# passed to self.pre_configs
|
|
self.test_params = test_params or {}
|
|
self.post_configs = post_hook or {}
|
|
self.protocols = protocols
|
|
|
|
self.servers = []
|
|
self.domains = []
|
|
self.port = -1
|
|
|
|
self.wget_options = ''
|
|
self.urls = []
|
|
|
|
self.tests_passed = True
|
|
self.init_test_env()
|
|
|
|
self.ret_code = 0
|
|
|
|
def get_test_dir(self):
|
|
return self.name + '-test'
|
|
|
|
def init_test_env(self):
|
|
test_dir = self.get_test_dir()
|
|
try:
|
|
os.mkdir(test_dir)
|
|
except FileExistsError:
|
|
shutil.rmtree(test_dir)
|
|
os.mkdir(test_dir)
|
|
os.chdir(test_dir)
|
|
|
|
def get_domain_addr(self, addr):
|
|
# TODO if there's a multiple number of ports, wouldn't it be
|
|
# overridden to the port of the last invocation?
|
|
self.port = str(addr[1])
|
|
|
|
return '%s:%s' % (addr[0], self.port)
|
|
|
|
def server_setup(self):
|
|
print_blue("Running Test %s" % self.name)
|
|
for protocol in self.protocols:
|
|
instance = self.instantiate_server_by(protocol)
|
|
self.servers.append(instance)
|
|
|
|
# servers instantiated by different protocols may differ in
|
|
# ports and etc.
|
|
# so we should record different domains respect to servers.
|
|
domain = self.get_domain_addr(instance.server_address)
|
|
self.domains.append(domain)
|
|
|
|
def exec_wget(self):
|
|
cmd_line = self.gen_cmd_line()
|
|
params = shlex.split(cmd_line)
|
|
print(params)
|
|
|
|
if os.getenv("SERVER_WAIT"):
|
|
time.sleep(float(os.getenv("SERVER_WAIT")))
|
|
|
|
try:
|
|
ret_code = call(params)
|
|
except FileNotFoundError:
|
|
raise TestFailed("The Wget Executable does not exist at the "
|
|
"expected path.")
|
|
|
|
return ret_code
|
|
|
|
def gen_cmd_line(self):
|
|
test_path = os.path.abspath(".")
|
|
wget_path = os.path.abspath(os.path.join(test_path,
|
|
"..", '..', 'src', "wget"))
|
|
wget_options = '--debug --no-config %s' % self.wget_options
|
|
|
|
if os.getenv("VALGRIND_TESTS"):
|
|
valgrind_test = "valgrind --error-exitcode=301 --leak-check=full"
|
|
else:
|
|
valgrind_test = ""
|
|
cmd_line = '%s %s %s ' % (valgrind_test, wget_path, wget_options)
|
|
for protocol, urls, domain in zip(self.protocols,
|
|
self.urls,
|
|
self.domains):
|
|
# zip is function for iterating multiple lists at the same time.
|
|
# e.g. for item1, item2 in zip([1, 5, 3],
|
|
# ['a', 'e', 'c']):
|
|
# print(item1, item2)
|
|
# generates the following output:
|
|
# 1 a
|
|
# 5 e
|
|
# 3 c
|
|
protocol = protocol.lower()
|
|
for url in urls:
|
|
cmd_line += '%s://%s/%s ' % (protocol, domain, url)
|
|
|
|
print(cmd_line)
|
|
|
|
return cmd_line
|
|
|
|
def __test_cleanup(self):
|
|
os.chdir('..')
|
|
try:
|
|
if not os.getenv("NO_CLEANUP"):
|
|
shutil.rmtree(self.get_test_dir())
|
|
except:
|
|
print ("Unknown Exception while trying to remove Test Environment.")
|
|
|
|
def _exit_test (self):
|
|
self.__test_cleanup()
|
|
|
|
def begin (self):
|
|
return 0 if self.tests_passed else 100
|
|
|
|
def call_test(self):
|
|
self.hook_call(self.test_params, 'Test Option')
|
|
|
|
try:
|
|
self.ret_code = self.exec_wget()
|
|
except TestFailed as e:
|
|
raise e
|
|
finally:
|
|
self.stop_server()
|
|
|
|
def do_test(self):
|
|
self.pre_hook_call()
|
|
self.call_test()
|
|
self.post_hook_call()
|
|
|
|
def hook_call(self, configs, name):
|
|
for conf_name, conf_arg in configs.items():
|
|
try:
|
|
# conf.find_conf(conf_name) returns the required conf class,
|
|
# then the class is instantiated with conf_arg, then the
|
|
# conf instance is called with this test instance itself to
|
|
# invoke the desired hook
|
|
conf.find_conf(conf_name)(conf_arg)(self)
|
|
except AttributeError:
|
|
self.stop_server()
|
|
raise TestFailed("%s %s not defined." %
|
|
(name, conf_name))
|
|
|
|
def pre_hook_call(self):
|
|
self.hook_call(self.pre_configs, 'Pre Test Function')
|
|
|
|
def post_hook_call(self):
|
|
self.hook_call(self.post_configs, 'Post Test Function')
|
|
|
|
def _replace_substring (self, string):
|
|
pattern = re.compile ('\{\{\w+\}\}')
|
|
match_obj = pattern.search (string)
|
|
if match_obj is not None:
|
|
rep = match_obj.group()
|
|
temp = getattr (self, rep.strip ('{}'))
|
|
string = string.replace (rep, temp)
|
|
return string
|
|
|
|
def instantiate_server_by(self, protocol):
|
|
"""
|
|
Subclasses must override this method to actually instantiate servers
|
|
for test cases.
|
|
"""
|
|
raise NotImplementedError
|
|
|
|
def stop_server(self):
|
|
"""
|
|
Subclasses must implement this method in order to stop certain
|
|
servers of different types.
|
|
"""
|
|
raise NotImplementedError
|
|
|
|
@staticmethod
|
|
def get_server_rules(file_obj):
|
|
"""
|
|
The handling of expect header could be made much better when the
|
|
options are parsed in a true and better fashion. For an example,
|
|
see the commented portion in Test-basic-auth.py.
|
|
"""
|
|
server_rules = {}
|
|
for rule_name, rule in file_obj.rules.items():
|
|
server_rules[rule_name] = conf.find_conf(rule_name)(rule)
|
|
return server_rules
|
|
|
|
def __enter__(self):
|
|
"""
|
|
Initialization for with statement.
|
|
"""
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
"""
|
|
If the with statement got executed with no exception raised, then
|
|
exc_type, exc_val, exc_tb are all None.
|
|
"""
|
|
if exc_val:
|
|
self.tests_passed = False
|
|
if exc_type is TestFailed:
|
|
print_red('Error: %s.' % exc_val.error)
|
|
else:
|
|
print_red('Unhandled exception caught.')
|
|
print(exc_val)
|
|
traceback.print_tb(exc_tb)
|
|
self.__test_cleanup()
|
|
|
|
return True
|