def test_create_log(self):
"""
Ensure create_log function is working properly.
* create new log file and log a message, then confirm the file
and message exist.
"""
from garage.logger import create_log
from garage.utils import get_file_contents, delete_file
self._msg("test", "create_log", first=True)
tmpfile_dir = tempfile.gettempdir()
logname = "garage-test"
filename = "{0}.log".format(logname)
path = os.path.join(tmpfile_dir, filename)
delete_file(path)
self._msg("logfile", path)
logger = create_log(logname, logfile=path)
msg = "this is a test log message"
logger.debug(msg)
regexp = re.compile(r"^.*{0} - DEBUG - {1}$".format(logname, msg), re.I)
data = get_file_contents(path)
for lineno, line in enumerate(data.splitlines()):
matched = regexp.match(line)
if matched:
self._msg("match: {0}".format(lineno), matched.group(0))
self.assertTrue(matched)
delete_file(path)
def test_create_thumb(self):
"""
create_thumb should generate a thumbnail of specified size and
quality.
* result should be, e.g., /path/to/thumb/thumb-245x136.jpg
"""
from garage.image_utils import (
create_thumb,
get_image_size,
get_img_ext,
)
from garage.utils import delete_file
self._msg('test', 'create_thumb', first=True)
tempdir = tempfile.gettempdir()
path, fname, w, h, ext = self._get_test_image('rodents')
w, h = 245, 138
quality = 75
dst = tempdir
fbase = 'rodents'
thumb = create_thumb(path, w, h, quality, dst, fbase, ext)
width, height = get_image_size(thumb)
fext = get_img_ext(thumb)
self.assertTrue(os.path.isfile(thumb))
self.assertEqual((width, height), (w, h))
self.assertEqual(fext, ext)
self._msg('original', fname)
self._msg('thumb', thumb)
self._msg('width', width)
self._msg('height', height)
self._msg('ext', fext)
self.assertTrue(delete_file(thumb))
def test_resize_image(self):
"""
resize_image should downsample an image and resize according
to input dimensions.
"""
from garage.image_utils import (
resize_image,
get_img_ext,
get_file_basename,
get_image_size,
)
from garage.utils import delete_file
self._msg('test', 'resize_image', first=True)
tempdir = tempfile.gettempdir()
path, fname, w, h, ext = self._get_test_image('rodents')
fbase = 'rodents'
w, h = 500, 280
dst = '%s-%dx%d.%s' % (os.path.join(tempdir, fbase), w, h, ext)
img = Image.open(path)
result = resize_image(img, (w, h), True)
result.save(dst, quality=75)
self.assertTrue(os.path.isfile(dst))
width, height = get_image_size(dst)
fext = get_img_ext(dst)
self.assertEqual((width, height), (w, h))
self.assertEqual(fext, ext)
self._msg('original', dst)
self._msg('resized', result)
self._msg('width', width)
self._msg('height', height)
self._msg('ext', fext)
self.assertTrue(delete_file(dst))
def test_generate_thumb(self):
"""
generate_thumb is a wrapper function for create_thumb, so
should bahave identically with the same parameters.
* result should be, e.g., /path/to/thumb/thumb-245x136.jpg
"""
from garage.image_utils import (
generate_thumb,
get_image_size,
get_img_ext,
)
from garage.utils import delete_file
self._msg('test', 'generate_thumb', first=True)
tempdir = tempfile.gettempdir()
path, fname, w, h, ext = self._get_test_image('rodents')
w, h = 245, 138
quality = 75
dst = tempdir
thumb = generate_thumb(path, w, h, quality, dst)
width, height = get_image_size(thumb)
fext = get_img_ext(thumb)
self.assertTrue(os.path.isfile(thumb))
self.assertEqual((width, height), (w, h))
self.assertEqual(fext, ext)
self._msg('original', fname)
self._msg('thumb', thumb)
self._msg('width', width)
self._msg('height', height)
self._msg('ext', fext)
self.assertTrue(delete_file(thumb))
def test_delete_nonexistent_file(self):
"""
delete_file should bypass deletion and return True if file
does not exist.
"""
from garage.utils import write_file, get_file_contents, delete_file
self._msg("test", "delete non-existent file", first=True)
path = "garage-non-existent-testfile"
result = delete_file(path)
self.assertTrue(result)
self.assertFalse(os.path.isfile(path))
def test_delete_file(self):
"""
Ensure delete_file function is working properly.
"""
from garage.utils import write_file, get_file_contents, delete_file
self._msg("test", "delete_file", first=True)
filename = "garage-testfile"
tmpfile_dir = tempfile.gettempdir()
path = os.path.join(tmpfile_dir, filename)
result = write_file(path, TestData)
self.assertTrue(result)
# chect contents
data = get_file_contents(path)
self._msg("path", path)
self._msg("data", data, linebreak=True)
self.assertEqual(data, TestData)
result = delete_file(path)
self.assertTrue(result)
self.assertFalse(os.path.isfile(path))