def test_add_event(self):
from jicbioimage.core.image import History
history = History()
def null(): return None
args = ["arg1", "arg2"]
kwargs = dict(kwarg1="kwarg1", kwarg2="kwarg2")
event = history.add_event(function=null, args=args, kwargs=kwargs)
self.assertEqual(len(history), 1)
self.assertTrue(isinstance(event, History.Event))
self.assertEqual(event.function, null)
self.assertEqual(event.args, args)
self.assertEqual(event.kwargs, kwargs)
def test_add_event(self):
from jicbioimage.core.image import History
history = History()
def null():
return None
args = ["arg1", "arg2"]
kwargs = dict(kwarg1="kwarg1", kwarg2="kwarg2")
event = history.add_event(function=null, args=args, kwargs=kwargs)
self.assertEqual(len(history), 1)
self.assertTrue(isinstance(event, History.Event))
self.assertEqual(event.function, null)
self.assertEqual(event.args, args)
self.assertEqual(event.kwargs, kwargs)
def func_as_transformation(*args, **kwargs):
# Take copies of the args and kwargs for use in the history.
# We will need to remove the image from either the kwargs
# or the args before we use h_args and h_kwargs to create a
# history event.
h_args = list(args[:])
h_kwargs = kwargs.copy()
# Get the input image, so that we can get the history from it.
# Also, strip the image for h_args/h_kwargs.
input_image = kwargs.get("image", None)
if input_image is None:
# The image is the first item of args.
input_image = args[0]
h_args.pop(0)
else:
# The image is in kwargs.
h_kwargs.pop("image")
def array_to_str(value):
if isinstance(value, np.ndarray):
value = repr(value)
return value
h_args = [array_to_str(v) for v in h_args]
for key, value in h_kwargs.items():
h_kwargs[key] = array_to_str(value)
# Get the history from the image.
history = History()
if hasattr(input_image, "history"):
history.extend(input_image.history)
image = func(*args, **kwargs)
if not isinstance(image, _BaseImageWithHistory):
image = Image.from_array(image, log_in_history=False)
# Update the history of the image.
image.history = history
image.history.add_event(func, h_args, h_kwargs)
if AutoWrite.on:
fpath = AutoName.name(func)
image.write(fpath)
return image
def test_event_repr_no_args_and_no_kwargs(self):
from jicbioimage.core.image import History
def split(s, sep, maxsplit):
return s.split(sep, maxsplit)
args = []
kwargs = {}
event = History.Event(split, args, kwargs)
self.assertEqual(repr(event), "<History.Event(split(image))>")
def test_event_repr(self):
from jicbioimage.core.image import History
def split(s, sep, maxsplit):
return s.split(sep, maxsplit)
args = [","]
kwargs = {"maxsplit": 1}
event = History.Event(split, args, kwargs)
self.assertEqual(repr(event),
"<History.Event(split(image, ',', maxsplit=1))>")
def test_initialisation(self):
from jicbioimage.core.image import History
def null():
return None
args = ["arg1", "arg2"]
kwargs = dict(kwarg1="kwarg1", kwarg2="kwarg2")
event = History.Event(function=null, args=args, kwargs=kwargs)
self.assertTrue(isinstance(event, History.Event))
self.assertEqual(event.function, null)
self.assertEqual(event.args, args)
self.assertEqual(event.kwargs, kwargs)
def test_initialisation_with_creation(self):
from jicbioimage.core.image import History
history = History("awesome")
self.assertEqual(history.creation, "awesome")
def test_initialisation(self):
from jicbioimage.core.image import History
history = History()
self.assertTrue(isinstance(history, History))
self.assertEqual(len(history), 0)
self.assertTrue(history.creation is None)
