def test_process_given_with_A(self):
testargs = 'foo.py --lowpass 40A'
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
i = 1/40
exp = '--process filter.lowpass.gauss:cutoff_freq={}'.format(i)
self.assertAlmostEqual(a.lowpass, exp, 7, 0.001)
def test_get_mrc_files(self):
#checking that the file is returned with the whole path
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
res = a.get_mrc_files()
exp = [os.path.join(self.tempdir, f) for f in self.files]
self.assertEqual(exp.sort(), res.sort())
def test_no_mrc_files(self):
for f in glob.glob(os.path.join(self.tempdir, '*.mrc')):
os.remove(f)
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with self .assertRaises(SystemExit):
a = m.imageConverter()
a.get_mrc_files()
def test_o_default(self):
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('os.makedirs') as mock:
a = m.imageConverter()
self.assertTrue(mock.called) #check it made the dir
exp = os.path.join(self.tempdir, 'jpgs')
self.assertEqual(exp, a.o)
def test_EMAN_fails(self):
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('subprocess.Popen') as mock_popen:
#mocking subprocess.communicate to avoid exception in main()
mock_popen.return_value.communicate.return_value = [0,'Traceback']
a = m.imageConverter()
with self.assertRaises(SystemExit):
a.main()
def test_noflip_set(self, mock_flip_and_rotate):
testargs = 'foo.py -i {} -f --noflip'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('subprocess.Popen') as mock_popen:
#mocking subprocess.communicate because we don't want to run eman
mock_popen.return_value.communicate.return_value = [0,1]
a = m.imageConverter()
with patch('sys.stdout'): #silent please
a.main()
self.assertEqual(mock_flip_and_rotate.call_count, 0)
def test_jpg_exists_and_force(self):
os.mkdir(os.path.join(self.tempdir, 'jpgs'))
with open(os.path.join(self.tempdir, 'jpgs', '1.jpg'),'w'):
pass
testargs = 'foo.py -i {} -f'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('os.remove') as mock_remove:
a = m.imageConverter()
with patch('sys.stdout'):
a.main()
mock_remove.assert_called_with(self.outfiles[0])
def test_normal_operation(self):
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('subprocess.Popen') as mock_popen:
#mocking subprocess.communicate to avoid exception in main()
mock_popen.return_value.communicate.return_value = [0,1]
a = m.imageConverter()
with patch('sys.stdout'): #silent please
a.main()
self.assertEqual(mock_popen.call_count, 3)
#extract the calls to the mock, in sensible format
call_args = []
for i in range(3):
call_args.append(mock_popen.call_args_list[i][0][0])
call_args.sort()
for i, value in enumerate(self.calls):
self.assertEqual(value, call_args[i])
def test_jpg_exists_no_force(self):
os.mkdir(os.path.join(self.tempdir, 'jpgs'))
os.remove(os.path.join(self.tempdir, '2.mrc'))
os.remove(os.path.join(self.tempdir, '3.mrc'))
with open(os.path.join(self.tempdir, 'jpgs', '1.jpg'),'w'):
pass
testargs = 'foo.py -i {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch('sys.stdout'):
with patch('builtins.print') as mock_print:
a = m.imageConverter()
a.main()
#the IOError exception is caught and handled. Here I am testing that
#the error message is actually printed as a proxy for the handling
msg = '{}/1.jpg exists. Skipped. Use -f to force overwrite'.format(
self.tempdir)
mock_print.assert_called_with(msg)
def test_scale_default(self):
with patch('sys.argv', ['foo.py']):
a = m.imageConverter()
self.assertEqual(a.scale, '')
def test_i_given(self):
self.tempdir = tempfile.mkdtemp()
testargs = 'foo.py -i {} '.format(self.tempdir)
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
self.assertEqual(a.i, self.tempdir)
def test_o_given_and_existing(self):
testargs = 'foo.py -o {}'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
self.assertEqual(a.o, self.tempdir)
def test_ncpus_too_many(self):
testargs = 'foo.py --n_cpus 200000000'
with patch('sys.argv', testargs.split()):
with self.assertRaises(SystemExit):
m.imageConverter()
def test_o_given_nonexisting_force(self):
testargs = 'foo.py -o /nonexisting/dir/ -f'.format(self.tempdir)
with patch('sys.argv', testargs.split()):
with patch ('os.makedirs') as mock:
m.imageConverter()
self.assertTrue(mock.called)
def test_ncpus_default(self):
testargs = 'foo.py'
cpus = multiprocessing.cpu_count() -1
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
self.assertEqual(a.n_cpus, cpus)
def test_ncpus_given_and_ok(self):
testargs = 'foo.py --n_cpus 4'
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
self.assertEqual(a.n_cpus, 4)
def test_scale_given(self):
testargs = 'foo.py --scale 4'
with patch('sys.argv', testargs.split()):
a = m.imageConverter()
self.assertEqual(a.scale, '--meanshrink 4')
def test_i_default(self):
with patch('sys.argv', ['foo.py']):
a = m.imageConverter()
self.assertEqual(os.getcwd(), a.i)
def test_process_given_malformed(self):
testargs = 'foo.py --lowpass forty'
with patch('sys.argv', testargs.split()):
with self.assertRaises(SystemExit):
m.imageConverter()
def test_o_given_nonexisting_no_force(self):
testargs = 'foo.py -o /nonexisting/path'
with patch('sys.argv', testargs.split()):
with patch('os.makedirs'):
with self.assertRaises(SystemExit):
m.imageConverter()
def test_process_default(self):
with patch('sys.argv', ['foo.py']):
a = m.imageConverter()
self.assertEqual(a.lowpass, '')