def test_ImageDict_make_dict():
ImgDict = image_prep.ImageDict()
ImgDict.add_class("test", IMG_URLS)
ImgDict.group_image_channels()
ImgDict.train_test_split()
out = ImgDict.make_dict()
assert isinstance(out, dict)
def test_ImageDict_get_wells_str():
ImgDict = image_prep.ImageDict()
well_to_get = "B02"
wanted = ImgDict.get_wells(IMG_URLS, well_to_get)
# parse well info from image urls
wanted_wells = [parse.img_well(url) for url in wanted]
for well in wanted_wells:
assert well in well_to_get
def test_ImageDict_keep_channels():
channels_to_keep = [1, 2, 3]
ImgDict = image_prep.ImageDict()
ans = ImgDict.keep_channels(IMG_URLS, channels_to_keep)
# parse channel numbers out of ans
img_names = [parse.img_filename(f) for f in ans]
img_channels = [parse.img_channel(name) for name in img_names]
for channel in img_channels:
assert channel in channels_to_keep
def test_ImageDict_remove_channels():
channels_to_remove = [4, 5]
ImgDict = image_prep.ImageDict()
ans = ImgDict.remove_channels(IMG_URLS, channels_to_remove)
# parse channel numbers out of ans
img_names = [parse.img_filename(f) for f in ans]
img_channels = [parse.img_channel(name) for name in img_names]
for channel in img_channels:
assert channel not in channels_to_remove
def test_ImageDict_sort_channels():
ImgDict = image_prep.ImageDict()
# un-sorted channels
# reverse channels as already sorted
rev_img_urls = IMG_URLS[::-1]
ImgDict.add_class("foo", rev_img_urls)
ImgDict.group_image_channels(order=False)
order_false_dict = ImgDict.parent_dict
order_false_vals = order_false_dict["foo"][0]
order_false_chnnls = [parse.img_channel(val) for val in order_false_vals]
assert sorted(order_false_chnnls) != order_false_chnnls
# sort channels
# need to create new ImageDict class otherwise we get a warning due to
# adding a new class to already grouped data
ImgDict2 = image_prep.ImageDict()
ImgDict2.add_class("bar", IMG_URLS)
ImgDict2.group_image_channels(order=True)
order_true_dict = ImgDict2.parent_dict
order_true_vals = order_true_dict["bar"][0]
order_true_chnnls = [parse.img_channel(val) for val in order_true_vals]
assert sorted(order_true_chnnls) == order_true_chnnls
def test_ImageDict_train_test_split():
ImgDict = image_prep.ImageDict()
ImgDict.add_class("test", IMG_URLS)
ImgDict.group_image_channels()
ImgDict.train_test_split()
out = ImgDict.make_dict()
assert isinstance(out, dict)
assert set(out.keys()) == set(["train", "test"])
# train test split doesn't lose any images
n_train = len(out["train"]["test"])
n_test = len(out["test"]["test"])
n_images = len(ImgDict._group_channels(IMG_URLS, order=False))
assert n_train + n_test == n_images
def test_ImageDict_group_channels():
ImgDict = image_prep.ImageDict()
ImgDict.add_class("test", IMG_URLS)
ImgDict.group_image_channels()
out = ImgDict.parent_dict
assert isinstance(out, dict)
def test_ImageDict_add_class():
ImgDict = image_prep.ImageDict()
ImgDict.add_class("test", IMG_URLS)
out = ImgDict.parent_dict
assert isinstance(out, dict)
assert list(out.keys()) == ["test"]