aptly/system/lib.py

129 lines
4.0 KiB
Python

"""
Test library.
"""
import difflib
import inspect
import json
import subprocess
import os
import shlex
import shutil
import string
class BaseTest(object):
"""
Base class for all tests.
"""
longTest = False
fixturePool = False
fixtureDB = False
expectedCode = 0
configFile = {
"rootDir": "%s/.aptly" % os.environ["HOME"],
"downloadConcurrency": 4,
"architectures": [],
"dependencyFollowSuggests": False,
"dependencyFollowRecommends": False,
"dependencyFollowAllVariants": False
}
configOverride = {}
fixtureDBDir = os.path.join(os.environ["HOME"], "aptly-fixture-db")
fixturePoolDir = os.path.join(os.environ["HOME"], "aptly-fixture-pool")
outputMatchPrepare = None
def test(self):
self.prepare()
self.run()
self.check()
def prepare_remove_all(self):
if os.path.exists(os.path.join(os.environ["HOME"], ".aptly")):
shutil.rmtree(os.path.join(os.environ["HOME"], ".aptly"))
if os.path.exists(os.path.join(os.environ["HOME"], ".aptly.conf")):
os.remove(os.path.join(os.environ["HOME"], ".aptly.conf"))
def prepare_default_config(self):
cfg = self.configFile.copy()
cfg.update(**self.configOverride)
f = open(os.path.join(os.environ["HOME"], ".aptly.conf"), "w")
f.write(json.dumps(cfg))
f.close()
def fixture_available(self):
if self.fixturePool and not os.path.exists(self.fixturePoolDir):
return False
if self.fixtureDB and not os.path.exists(self.fixtureDBDir):
return False
return True
def prepare_fixture(self):
if self.fixturePool:
os.makedirs(os.path.join(os.environ["HOME"], ".aptly"), 0755)
os.symlink(self.fixturePoolDir, os.path.join(os.environ["HOME"], ".aptly", "pool"))
if self.fixtureDB:
shutil.copytree(self.fixtureDBDir, os.path.join(os.environ["HOME"], ".aptly", "db"))
if hasattr(self, "fixtureCmds"):
for cmd in self.fixtureCmds:
self.run_cmd(cmd)
def run(self):
self.output = self.output_processor(self.run_cmd(self.runCmd, self.expectedCode))
def run_cmd(self, command, expected_code=0):
try:
proc = subprocess.Popen(shlex.split(command), stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
output, _ = proc.communicate()
if proc.returncode != expected_code:
raise Exception("exit code %d != %d (output: %s)" % (proc.returncode, expected_code, output))
return output
except Exception, e:
raise Exception("Running command %s failed: %s" % (command, str(e)))
def gold_processor(self, gold):
return gold
def output_processor(self, output):
return output
def expand_environ(self, gold):
return string.Template(gold).substitute(os.environ)
def get_gold(self, gold_name="gold"):
gold = os.path.join(os.path.dirname(inspect.getsourcefile(self.__class__)), self.__class__.__name__ + "_" + gold_name)
return self.gold_processor(open(gold, "r").read())
def check_output(self):
self.verify_match(self.get_gold(), self.output, match_prepare=self.outputMatchPrepare)
def check_cmd_output(self, command, gold_name, match_prepare=None):
self.verify_match(self.get_gold(gold_name), self.run_cmd(command), match_prepare)
def verify_match(self, a, b, match_prepare=None):
if match_prepare is not None:
a = match_prepare(a)
b = match_prepare(b)
if a != b:
diff = "".join(difflib.unified_diff([l + "\n" for l in a.split("\n")], [l + "\n" for l in b.split("\n")]))
raise Exception("content doesn't match:\n" + diff + "\n")
def check_file(self):
self.verify_match(self.get_gold(), open(self.checkedFile, "r").read())
check = check_output
def prepare(self):
self.prepare_remove_all()
self.prepare_default_config()
self.prepare_fixture()