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"""
unitest generic utils
~~~~~~~~~~~~~~~~~~~~~
Generic utils useable for a markup test.
:copyleft: 2008-2020 by python-creole team, see AUTHORS for more details.
:license: GNU GPL v3 or above, see LICENSE for more details.
"""
import os
import shutil
import tempfile
import textwrap
import unittest
from pathlib import Path
from creole.shared.diff_utils import unified_diff
class MarkupTest(unittest.TestCase):
"""
Special error class: Try to display markup errors in a better way.
"""
# error output format:
# =1 -> via repr()
# =2 -> raw
VERBOSE = 1
#VERBOSE = 2
def _format_output(self, txt):
txt = txt.split("\\n")
if self.VERBOSE == 1:
txt = "".join(['%s\\n\n' % i for i in txt])
elif self.VERBOSE == 2:
txt = "".join(['%s\n' % i for i in txt])
return txt
def assertEqual(self, first, second, msg=""):
if first == second:
return
try:
diff = unified_diff(first, second)
except AttributeError:
raise self.failureException(f"{first!r} is not {second!r}")
print("*" * 100)
print("---[Output:]-----------------------------------------------------------------------------------------")
print(first)
print("---[not equal to:]-----------------------------------------------------------------------------------")
print(second)
print("---[diff:]-------------------------------------------------------------------------------------------")
print(diff)
print("*" * 100)
assert first == second, f"{first!r} is not {second!r}"
def _prepare_text(self, txt):
"""
prepare the multiline, indentation text.
"""
# Remove any common leading whitespace from every line
txt = textwrap.dedent(txt)
# Strip spaces and every line end and remove the last line ending:
txt = "\n".join(line.rstrip(" ") for line in txt.splitlines())
# strip *one* newline at the beginning...
if txt.startswith("\n"):
txt = txt[1:]
return txt
class IsolatedFilesystem:
"""
Context manager, e.g.:
with IsolatedFilesystem(prefix="temp_dir_prefix"):
print("I'm in the temp path here: %s" % Path().cwd())
"""
def __init__(self, prefix=None):
super().__init__()
self.prefix = prefix
def __enter__(self):
print(f"Use prefix: {self.prefix!r}")
self.cwd = Path().cwd()
self.temp_path = tempfile.mkdtemp(prefix=self.prefix)
os.chdir(self.temp_path)
def __exit__(self, exc_type, exc_value, traceback):
os.chdir(str(self.cwd)) # str() needed for older python <=3.5
try:
shutil.rmtree(self.temp_path)
except OSError:
pass
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