def test_deploy_differing_outpaths_raises(self):
'''If deploying rules with differing outpaths, raise an error.'''
cat = Cat(FakeTemplater(
self.tmpdir, {}))
cat.rules = [
Rule(self.srcfile1, self.outfile),
Rule(self.srcfile2, self.tmpdir/'dne', force_rewrite=True)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.outfile.write_text('theme: cooltheme\nforeground: white')
with self.assertRaises(ImproperOutpathError):
cat.deploy()
def test_deploy_permissions_readonly(self):
'''The output file should have readonly permissions.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
cat.rules = [Rule(self.srcfile1, self.outfile)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.outfile.write_text('theme: cooltheme\nforeground: white')
self.outfile.chmod(0o000)
cat.deploy()
self.assertEqual(0o100444, self.outfile.stat().st_mode)
def test_deploy_equal_files_no_write(self):
'''A cat that would not change the outfile shouldn't open it.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
outpathspy = Mock(wraps=self.outfile)
cat.rules = [Rule(self.srcfile1, outpathspy)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.outfile.write_text('theme: cooltheme\nforeground: white')
cat.deploy()
# This is implementation-dependent -- look for a better option
outpathspy.write_text.assert_not_called()
def test_deploy_file_dne_raises(self):
'''A cat should raise an error if a src file dne.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
cat.rules = [
Rule(self.srcfile1, self.outfile),
Rule(self.tmpdir/'dne', self.outfile)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.outfile.write_text('some old garbage')
with self.assertRaises(FileNotFoundError):
cat.deploy()
def test_deploy_permissions_executable(self):
'''The exec flag should cause the output file to be executable.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
cat.rules = [
Rule(self.srcfile1, self.outfile),
Rule(self.srcfile2, self.outfile, executable=True)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.srcfile2.write_text('')
self.outfile.write_text('theme: cooltheme\nforeground: white')
self.outfile.chmod(0o000)
cat.deploy()
self.assertEqual(0o100544, self.outfile.stat().st_mode)
def test_deploy_equal_files_flag_force_write(self):
'''force_rewrite flag with equal output still writes the outfile.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
outpathspy = Mock(wraps=self.outfile)
cat.rules = [
Rule(self.srcfile1, outpathspy),
Rule(self.srcfile2, outpathspy, force_rewrite=True)]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.outfile.write_text('theme: cooltheme\nforeground: white')
cat.deploy()
# This is implementation-dependent -- look for a better option
outpathspy.write_text.assert_called()
def test_deploy_outfile_dne_write(self):
'''A cat that would change the content of the file should write it.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
cat.rules = [
Rule(self.srcfile1, self.tmpdir/'newoutfile'),
Rule(self.srcfile2, self.tmpdir/'newoutfile')]
self.srcfile1.write_text('theme: {{theme}}\nforeground: {{colorfg}}')
self.srcfile2.write_text('background: {{ colorbg }}')
cat.deploy()
self.assertEqual(
(self.tmpdir/'newoutfile').read_text(),
'theme: cooltheme\nforeground: white\nbackground: blue')
def test_deploy_file_empty_ignored(self):
'''A cat should not add anything to the outfile for an empty src.'''
cat = Cat(FakeTemplater(
self.tmpdir,
{'theme': 'cooltheme', 'colorfg': 'white', 'colorbg': 'blue'}))
cat.rules = [
Rule(self.srcfile1, self.outfile),
Rule(self.srcfile2, self.outfile)]
self.srcfile1.write_text('something cool\nnewline')
self.srcfile2.write_text('')
self.outfile.write_text('some old garbage')
cat.deploy()
self.assertEqual(
self.outfile.read_text(),
'something cool\nnewline')