buildozer/tests/test_buildozer.py
Andre Miras 9c137b06a7 Unit test logger
- adds test utils methods
- checks default log level
- sets log level via spec file
- checks messages printing depending on level
2019-02-17 18:10:18 +01:00

123 lines
4.5 KiB
Python

import re
import os
import codecs
import mock
import unittest
import buildozer as buildozer_module
from buildozer import Buildozer
from six import StringIO
import tempfile
class TestBuildozer(unittest.TestCase):
def setUp(self):
"""
Creates a temporary spec file containing the content of the default.spec.
"""
self.specfile = tempfile.NamedTemporaryFile(suffix='.spec', delete=False)
self.specfilename = self.specfile.name
default_spec = codecs.open(self.default_specfile_path(), encoding='utf-8')
self.specfile.write(default_spec.read().encode('utf-8'))
self.specfile.close()
def tearDown(self):
"""
Deletes the temporary spec file.
"""
os.unlink(self.specfile.name)
@staticmethod
def default_specfile_path():
return os.path.join(
os.path.dirname(buildozer_module.__file__),
'default.spec')
@staticmethod
def file_re_sub(filepath, pattern, replace):
"""
Helper method for inplace file regex editing.
"""
with open(filepath) as f:
file_content = f.read()
with open(filepath, 'w') as f:
file_content = re.sub(pattern, replace, file_content)
f.write(file_content)
@classmethod
def set_specfile_log_level(cls, specfilename, log_level):
"""
Helper method for setting `log_level` in a given `specfilename`.
"""
pattern = 'log_level = [0-9]'
replace = 'log_level = {}'.format(log_level)
cls.file_re_sub(specfilename, pattern, replace)
buildozer = Buildozer(specfilename)
def test_buildozer_base(self):
"""
Basic test making sure the Buildozer object can be instanciated.
"""
buildozer = Buildozer()
self.assertEqual(buildozer.specfilename, 'buildozer.spec')
# spec file doesn't have to exist
self.assertFalse(os.path.exists(buildozer.specfilename))
def test_buildozer_read_spec(self):
"""
Initializes Buildozer object from existing spec file.
"""
buildozer = Buildozer(filename=self.default_specfile_path())
self.assertTrue(os.path.exists(buildozer.specfilename))
def test_buildozer_help(self):
"""
Makes sure the help gets display with no error, refs:
https://github.com/kivy/buildozer/issues/813
"""
buildozer = Buildozer()
with mock.patch('sys.stdout', new_callable=StringIO) as mock_stdout:
buildozer.usage()
self.assertIn('Usage:', mock_stdout.getvalue())
def test_log_get_set(self):
"""
Tests reading and setting log level from spec file.
"""
# the default log level value is known
buildozer = Buildozer('does_not_exist.spec')
assert buildozer.log_level == 1
# sets log level to 2 on the spec file
self.set_specfile_log_level(self.specfile.name, 2)
buildozer = Buildozer(self.specfile.name)
assert buildozer.log_level == 2
def test_log_print(self):
"""
Checks logger prints different info depending on log level.
"""
# sets log level to 1 in the spec file
self.set_specfile_log_level(self.specfile.name, 1)
buildozer = Buildozer(self.specfile.name)
assert buildozer.log_level == 1
# at this level, debug messages shouldn't not be printed
with mock.patch('sys.stdout', new_callable=StringIO) as mock_stdout:
buildozer.debug('debug message')
buildozer.info('info message')
buildozer.error('error message')
# using `in` keyword rather than `==` because of bash color prefix/suffix
assert 'debug message' not in mock_stdout.getvalue()
assert 'info message' in mock_stdout.getvalue()
assert 'error message' in mock_stdout.getvalue()
# sets log level to 2 in the spec file
self.set_specfile_log_level(self.specfile.name, 2)
buildozer = Buildozer(self.specfile.name)
assert buildozer.log_level == 2
# at this level all message types should be printed
with mock.patch('sys.stdout', new_callable=StringIO) as mock_stdout:
buildozer.debug('debug message')
buildozer.info('info message')
buildozer.error('error message')
assert 'debug message' in mock_stdout.getvalue()
assert 'info message' in mock_stdout.getvalue()
assert 'error message' in mock_stdout.getvalue()