rana-cli/tests/utils.py

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# -*- coding: utf-8 -*-
import logging
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import sys
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from wakatime.compat import u
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try:
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import mock
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except ImportError:
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import unittest.mock as mock
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try:
# Python 2.6
import unittest2 as unittest
except ImportError:
# Python >= 2.7
import unittest
class TestCase(unittest.TestCase):
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patch_these = []
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def setUp(self):
# disable logging while testing
logging.disable(logging.CRITICAL)
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self.patched = {}
if hasattr(self, 'patch_these'):
for patch_this in self.patch_these:
namespace = patch_this[0] if isinstance(patch_this, (list, set)) else patch_this
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patcher = mock.patch(namespace)
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mocked = patcher.start()
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mocked.reset_mock()
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self.patched[namespace] = mocked
if isinstance(patch_this, (list, set)) and len(patch_this) > 0:
retval = patch_this[1]
if callable(retval):
retval = retval()
mocked.return_value = retval
def tearDown(self):
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mock.patch.stopall()
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def normalize_list(self, items):
return sorted([u(x) for x in items])
def assertListsEqual(self, first_list, second_list):
self.assertEquals(self.normalize_list(first_list), self.normalize_list(second_list))
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@property
def isPy35OrNewer(self):
if sys.version_info[0] > 3:
return True
return (sys.version_info[0] >= 3 and sys.version_info[1] >= 5)
try:
# Python >= 3
from tempfile import TemporaryDirectory
except ImportError:
# Python < 3
import shutil
import tempfile
class TemporaryDirectory(object):
"""Context manager for tempfile.mkdtemp().
Adds the ability to use with a `with` statement.
"""
def __enter__(self):
self.name = tempfile.mkdtemp()
return self.name
def __exit__(self, exc_type, exc_value, traceback):
shutil.rmtree(self.name)
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class DynamicIterable(object):
def __init__(self, data, max_calls=None, raise_on_calls=None):
self.called = 0
self.max_calls = max_calls
self.raise_on_calls = raise_on_calls
self.index = 0
self.data = data
def __iter__(self):
return self
def __next__(self):
if self.raise_on_calls and self.called < len(self.raise_on_calls) and self.raise_on_calls[self.called]:
raise self.raise_on_calls[self.called]
if self.index >= len(self.data):
self.called += 1
self.index = 0
raise StopIteration
val = self.data[self.index]
self.index += 1
if not self.max_calls or self.called <= self.max_calls:
return val
return None
def next(self):
return self.__next__()