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"""
@file
@brief This extension contains various functionalities to help unittesting.
"""
import os
import sys
import glob
import re
import unittest
import warnings
from io import StringIO
from .utils_tests_stringio import StringIOAndFile
from .default_filter_warning import default_filter_warning
from ..filehelper.synchelper import remove_folder
from ..loghelper.flog import run_cmd, noLOG
def get_test_file(filter, folder=None, no_subfolder=False, fLOG=noLOG, root=None):
"""
Returns the list of test files.
@param folder path to look (or paths to look if it is a list)
@param filter only select files matching the pattern (ex: test*)
@param no_subfolder the function investigates the folder *folder* and does not try any subfolder in
``{"_nrt", "_unittest", "_unittests"}``
@param fLOG logging function
@param root root or folder which contains the project,
rules applyong on folder name will not apply on it
@return a list of test files
"""
if no_subfolder:
dirs = [folder]
else:
expected = {"_nrt", "_unittest", "_unittests"}
if folder is None:
path = os.path.split(__file__)[0]
dirs = [os.path.join(path, "..", "..", d) for d in expected]
elif isinstance(folder, str):
if not os.path.exists(folder):
raise FileNotFoundError(folder)
last = os.path.split(folder)[-1]
if last in expected:
dirs = [folder]
else:
dirs = [os.path.join(folder, d) for d in expected]
else:
dirs = folder
for d in dirs:
if not os.path.exists(d):
raise FileNotFoundError(d)
copypaths = list(sys.path)
li = []
for fold in dirs:
if "__pycache__" in fold or "site-packages" in fold:
continue
if not os.path.exists(fold):
continue
if fold not in sys.path and fold != ".":
sys.path.append(fold)
content = glob.glob(fold + "/" + filter)
if filter != "temp_*":
if root is not None:
def remove_root(p):
if p.startswith(root):
return p[len(root):]
else:
return p
couples = [(remove_root(il), il) for il in content]
else:
couples = [(il, il) for il in content]
content = []
for il, fu in couples:
if "test_" in il and ".py" in il and ".py.err" not in il and \
".py.out" not in il and ".py.warn" not in il and \
"test_main" not in il and "temp_" not in il and \
"temp2_" not in il and ".pyo" not in il and \
"out.test_copyfile.py.2.txt" not in il and \
".pyc" not in il and ".pyd" not in il and \
".so" not in il and ".py~" not in il:
content.append(fu)
li.extend(content)
fLOG("[get_test_file], inspecting", dirs)
lid = glob.glob(fold + "/*")
for il in lid:
if os.path.isdir(il):
temp = get_test_file(
filter, il, no_subfolder=True, fLOG=fLOG, root=root)
temp = list(temp)
li.extend(temp)
# we restore sys.path
sys.path = copypaths
return li
def get_estimation_time(file):
"""
Return an estimation of the processing time,
it extracts the number in ``(time=5s)`` for example.
@param file filename
@return int
"""
try:
f = open(file, "r", errors="ignore")
li = f.readlines()
f.close()
except Exception as e:
warnings.warn("Issue with '{0}'\n{1}\n{2}".format(
file, type(e), e), UserWarning)
return 10
try:
s = ''.join(li)
except Exception as e:
warnings.warn(
"Probably an enconding issue for file '{0}'\n{1}\n{2}".format(file, type(e), e), UserWarning)
return 10
c = re.compile("[(]time=([0-9]+)s[)]").search(s)
if c is None:
return 0
else:
return int(c.groups()[0])
def import_files(li, additional_ut_path=None, fLOG=noLOG):
"""
Runs all tests in file list ``li``.
@param li list of files (python scripts)
@param additional_ut_path additional paths to add when running the unit tests
@param fLOG logging function
@return list of tests [ ( testsuite, file) ]
"""
allsuite = []
for l in li:
copypath = list(sys.path)
sdir = os.path.split(l)[0]
if sdir not in sys.path:
sys.path.append(sdir)
if additional_ut_path:
for p in additional_ut_path:
if isinstance(p, tuple):
if p[1]:
sys.path.insert(0, p[0])
else:
sys.path.append(p[0])
else:
sys.path.append(p)
tl = os.path.split(l)[1]
fi = tl.replace(".py", "")
try:
mo = __import__(fi)
except Exception as e:
raise ImportError("Unable to import '{}' due to {}.\nsys.path=\n{}".format(
fi, e, "\n".join(sys.path)))
# some tests can mess up with the import path
sys.path = copypath
cl = dir(mo)
for c in cl:
if len(c) < 5 or c[:4] != "Test":
continue
# test class c
testsuite = unittest.TestSuite()
loc = locals()
exec(
compile("di = dir (mo." + c + ")", "", "exec"), globals(), loc)
di = loc["di"]
for d in di:
if len(d) >= 6 and d[:5] == "_test":
raise RuntimeError(
"a function _test is still deactivated %s in %s" % (d, c))
if len(d) < 5 or d[:4] != "test":
continue
# method d.c
loc = locals()
code = "t = mo." + c + "(\"" + d + "\")"
cp = compile(code, "", "exec")
try:
exec(cp, globals(), loc)
except Exception as e:
raise Exception(
"Unable to execute code '{0}'".format(code)) from e
t = loc["t"]
testsuite.addTest(t)
allsuite.append((testsuite, l))
return allsuite
def clean(folder=None, fLOG=noLOG):
"""
Does the cleaning.
@param dir directory
@param fLOG logging function
"""
# do not use SVN here just in case some files are not checked in.
for log_file in ["temp_hal_log.txt", "temp_hal_log2.txt",
"temp_hal_log_.txt", "temp_log.txt", "temp_log2.txt", ]:
li = get_test_file(log_file, folder=folder)
for l in li:
try:
if os.path.isfile(l):
os.remove(l)
except Exception as e:
fLOG(
"[clean] unable to remove file", l, " --- ", str(e).replace("\n", " "))
li = get_test_file("temp_*")
for l in li:
try:
if os.path.isfile(l):
os.remove(l)
except Exception as e:
fLOG("[clean] unable to remove file. ", l,
" --- ", str(e).replace("\n", " "))
for l in li:
try:
if os.path.isdir(l):
remove_folder(l)
except Exception as e:
fLOG("[clean] unable to remove dir. ", l,
" --- ", str(e).replace("\n", " "))
def main_run_test(runner, path_test=None, limit_max=1e9, log=False, skip=-1, skip_list=None,
on_stderr=False, processes=False, skip_function=None,
additional_ut_path=None, stdout=None, stderr=None, filter_warning=None,
fLOG=noLOG):
"""
Runs all unit tests,
the function looks into the folder _unittest and extract from all files
beginning by `test_` all methods starting by `test_`.
Each files should mention an execution time.
Tests are sorted by increasing order.
@param runner unittest Runner
@param path_test path to look, if None, looks for defaults path related to this project
@param limit_max avoid running tests longer than limit seconds
@param log if True, enables intermediate files
@param skip if skip != -1, skip the first "skip" test files
@param skip_list skip unit test id in this list (by index, starting by 1)
@param skip_function *function(filename,content,duration) --> boolean* to skip a unit test
@param on_stderr if True, publish everything on stderr at the end
@param processes to run the unit test in a separate process (with function @see fn run_cmd),
however, to make that happen, you need to specify
``exit=False`` for each test file, see `unittest.main
<https://docs.python.org/3/library/unittest.html#unittest.main>`_
@param additional_ut_path additional paths to add when running the unit tests
@param stdout if not None, use this stream instead of *sys.stdout*
@param stderr if not None, use this stream instead of *sys.stderr*
@param filter_warning function which removes some warnings in the final output,
if None, the function filters out some recurrent warnings
in jupyter (signature: ``def filter_warning(w: warning) -> bool``),
@see fn default_filter_warning
@param fLOG logging function
@return dictionnary: ``{ "err": err, "tests":list of couple (file, test results) }``
"""
if skip_list is None:
skip_list = set()
else:
skip_list = set(skip_list)
if filter_warning is None:
filter_warning = default_filter_warning
# checking that the module does not belong to the installed modules
if path_test is not None:
path_module = os.path.join(sys.executable, "Lib", "site-packages")
paths = [os.path.join(path_module, "src"), ]
for path in paths:
if os.path.exists(path):
raise FileExistsError(
"This path should not exist '{}'.".format(path))
def short_name(l):
cut = os.path.split(l)
cut = os.path.split(cut[0])[-1] + "/" + cut[-1]
return cut
# sort the test by increasing expected time
fLOG("[main_run_test] path_test", path_test)
li = get_test_file("test*", folder=path_test, fLOG=fLOG, root=path_test)
if len(li) == 0:
raise FileNotFoundError("no test files in " + path_test)
est = [get_estimation_time(l) for l in li]
co = [(e, short_name(l), l)
for e, l in zip(est, li)] # pylint: disable=R1721
co.sort()
# we check we do not run twice the same file
done = {}
duplicate = []
for _, cut, l in co:
if cut in done:
duplicate.append((cut, l))
done[cut] = True
if len(duplicate) > 0:
s = list(set(duplicate))
s.sort()
mes = "\n".join(str(_) for _ in s)
raise Exception("duplicated test file were detected:\n" + mes)
# check existing
if len(co) == 0:
raise FileNotFoundError(
"unable to find any test files in {0}".format(path_test))
if skip != -1:
fLOG("[main_run_test] found ", len(co), " test files skipping", skip)
else:
fLOG("[main_run_test] found ", len(co), " test files")
# extract the test classes
cco = []
duration = {}
index = 0
for e, cut, l in co:
if e > limit_max:
continue
cco.append((e, l))
cut = os.path.split(l)
cut = os.path.split(cut[0])[-1] + "/" + cut[-1]
duration[cut] = e
index += 1
exp = re.compile("Ran ([0-9]+) tests? in ([.0-9]+)s")
# run the test
li = [a[1] for a in cco]
suite = import_files(li, additional_ut_path=additional_ut_path, fLOG=fLOG)
lis = [os.path.split(name)[-1] for _, name in suite]
keep = []
# redirect standard output, error
fLOG("[main_run_test] redirect stdout, stderr")
memo_stdout = sys.stdout
memout = sys.stdout if stdout is None else stdout
fail = 0
allwarn = []
memo_stderr = sys.stderr
memerr = sys.stderr if stderr is None else stderr
fullstderr = StringIO()
# displays
memout.write("[main_run_test] ---- JENKINS BEGIN UNIT TESTS ----")
memout.write(
"[main_run_test] ---- BEGIN UNIT TEST for {0}\n".format(path_test))
# display all tests
for i, s in enumerate(suite):
if skip >= 0 and i < skip:
continue
if i + 1 in skip_list:
continue
cut = os.path.split(s[1])
cut = os.path.split(cut[0])[-1] + "/" + cut[-1]
if skip_function is not None:
with open(s[1], "r") as f:
content = f.read()
if skip_function(s[1], content, duration.get(cut, None)):
continue
if cut not in duration:
raise Exception("{0} not found in\n{1}".format(
cut, "\n".join(sorted(duration.keys()))))
dur = duration[cut]
zzz = "\ntest % 3d (%04ds), %s" % (i + 1, dur, cut)
memout.write(zzz)
memout.write("\n")
# displays
memout.write("[main_run_test] ---- RUN UT\n")
original_stream = runner.stream.stream if isinstance(
runner.stream.stream, StringIOAndFile) else None
# run all tests
last_s = None
for i, s in enumerate(suite):
last_s = s
if skip >= 0 and i < skip:
continue
if i + 1 in skip_list:
continue
cut = os.path.split(s[1])
cut = os.path.split(cut[0])[-1] + "/" + cut[-1]
if skip_function is not None:
with open(s[1], "r") as f:
content = f.read()
if skip_function(s[1], content, duration.get(cut, None)):
continue
zzz = "running test % 3d, %s" % (i + 1, cut)
zzz += (60 - len(zzz)) * " "
memout.write(zzz)
# the errors are logged into a file just beside the test file
newstdr = StringIOAndFile(s[1] + ".err")
keepstdr = sys.stderr
sys.stderr = newstdr
list_warn = []
if processes:
cmd = sys.executable.replace("w.exe", ".exe") + " " + li[i]
out, err = run_cmd(cmd, wait=True)
if len(err) > 0:
sys.stderr.write(err)
else:
if sys.version_info[0] >= 3:
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
if original_stream is not None:
original_stream.begin_test(s[1])
r = runner.run(s[0])
out = r.stream.getvalue()
if original_stream is not None:
original_stream.end_test(s[1])
for ww in w:
list_warn.append((ww, s))
else:
if original_stream is not None:
original_stream.begin_test(s[1])
r = runner.run(s[0])
out = r.stream.getvalue()
if original_stream is not None:
original_stream.end_test(s[1])
ti = exp.findall(out)[-1]
# don't modify it, PyCharm does not get it right (ti is a tuple)
add = " ran %s tests in %ss" % ti
sys.stderr = keepstdr
memout.write(add)
if not r.wasSuccessful():
err = out.split("===========")
err = err[-1]
memout.write("\n")
try:
memout.write(err)
except UnicodeDecodeError:
err_e = err.decode("ascii", errors="ignore")
memout.write(err_e)
except UnicodeEncodeError:
try:
err_e = err.encode("ascii", errors="ignore")
memout.write(err_e)
except TypeError:
err_e = err.encode("ascii", errors="ignore").decode(
'ascii', errors='ingore')
memout.write(err_e)
# stores the output in case of an error
with open(s[1] + ".err", "w", encoding="utf-8", errors="ignore") as f:
f.write(out)
fail += 1
fullstderr.write("\n#-----" + lis[i] + "\n")
fullstderr.write("OUT:\n")
fullstderr.write(out)
if err:
fullstderr.write("[pyqerror]o:\n")
try:
fullstderr.write(err)
except UnicodeDecodeError:
err_e = err.decode("ascii", errors="ignore")
fullstderr.write(err_e)
except UnicodeEncodeError:
err_e = err.encode("ascii", errors="ignore")
fullstderr.write(err_e)
list_warn = [(w, s) for w, s in list_warn if filter_warning(w)]
if len(list_warn) > 0:
fullstderr.write("*[pyqwarning]:\n")
warndone = set()
for w, slw in list_warn:
sw = str(slw)
if sw not in warndone:
# we display only one time the same warning
fullstderr.write("w{0}: {1}\n".format(i, sw))
warndone.add(sw)
serr = newstdr.getvalue()
if serr.strip(" \n\r\t"):
fullstderr.write("ERRs:\n")
fullstderr.write(serr)
else:
list_warn = [(w, s) for w, s in list_warn if filter_warning(w)]
allwarn.append((lis[i], list_warn))
val = newstdr.getvalue()
if val.strip(" \n\r\t"):
# Remove most of the Sphinx warnings (sphinx < 1.8)
lines = val.strip(" \n\r\t").split("\n")
lines = [
_ for _ in lines if _ and "is already registered, it will be overridden" not in _]
val = "\n".join(lines)
if len(val) > 0 and is_valid_error(val):
fullstderr.write("\n*-----" + lis[i] + "\n")
if len(list_warn) > 0:
fullstderr.write("[main_run_test] +WARN:\n")
for w, _ in list_warn:
fullstderr.write(
"[in:{2}] w{0}: {1}\n".format(i, str(w), cut))
if val.strip(" \n\r\t"):
fullstderr.write("[in:{0}] ERRv:\n".format(cut))
fullstderr.write(val)
memout.write("\n")
keep.append((last_s[1], r))
# displays
memout.write("[main_run_test] ---- END UT\n")
memout.write("[main_run_test] ---- JENKINS END UNIT TESTS ----\n")
fLOG("[main_run_test] restore stdout, stderr")
# end, catch standard output and err
sys.stderr = memo_stderr
sys.stdout = memo_stdout
val = fullstderr.getvalue()
if len(val) > 0:
fLOG("[main_run_test] -- STDERR (from unittests) on STDOUT")
fLOG(val)
fLOG("[main_run_test] -- end STDERR on STDOUT")
if on_stderr:
memerr.write(
"[main_run_test] ##### STDERR (from unittests) #####\n")
memerr.write(val)
memerr.write("[main_run_test] ##### end STDERR #####\n")
if fail == 0:
clean(fLOG=fLOG)
fLOG("[main_run_test] printing warnings")
for fi, lw in allwarn:
if len(lw) > 0:
memout.write("[main_run_test] -WARN: {0}\n".format(fi))
wdone = {}
for i, (w, s) in enumerate(lw):
sw = str(w)
if sw in wdone:
continue
wdone[sw] = w
try:
sw = " w{0}: {1}\n".format(i, w)
except UnicodeEncodeError:
sw = " w{0}: Unable to convert a warnings of type {1} into a string (1)".format(
i, type(w))
try:
memout.write(sw)
except UnicodeEncodeError:
sw = " w{0}: Unable to convert a warnings of type {1} into a string (2)".format(
i, type(w))
memout.write(sw)
fLOG("[main_run_test] END of unit tests")
memout.write("[main_run_test] END of unit tests\n")
return dict(err=val, tests=keep)
def is_valid_error(error):
"""
Checks if the text written on stderr is an error or not,
a local server can push logs on this stream,
it looks for keywords such as ``Exception``,
``Error``, ``TraceBack``...
@param error text
@return boolean
"""
lines = error.split('\n')
lines = [
line for line in lines if "No module named 'numpy.core._multiarray_umath'" not in line]
error = "\n".join(lines)
keys = ["Exception", "Error", "TraceBack", "invalid", " line "]
error = error.lower()
for key in keys:
if key.lower() in error:
return True
return False
def default_skip_function(name, code, duration):
"""
Default skip function for function @see fn main_wrapper_tests.
@param name name of the test file
@param code code of the test file
@param duration estimated duration of the tests (specified in the file documentation)
@return True if skipped, False otherwise
"""
if "test_SKIP_" in name or "test_LONG_" in name or "test_GUI_" in name:
return True
return False
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