def __init__(self, root):
self.root = root
self.fade = Fade(256) #default 0-255
self.label = Label(root, text="text", fg="#000000", font=("Arial", 54))
self.label.pack()
Button(root, text="Reset", command=self.reset).pack()
self.fade_more()
class Demo(object):
def __init__(self, root):
self.root = root
self.fade = Fade(256) #default 0-255
self.label = Label(root, text="text", fg="#000000", font=("Arial", 54))
self.label.pack()
Button(root, text="Reset", command=self.reset).pack()
self.fade_more()
def reset(self):
self.fade.reset()
self.fade_more()
def fade_more(self):
try:
current = self.fade.next()
self.label.config(fg=dec2hex(current)) #configures text to next color
self.label.pack()
root.after(100, self.fade_more)
except StopIteration:
return
def test_reset(): f = Fade(10) for each in f: pass f.reset() assert f.index == 0
def test_negative(start): f = Fade(10) ans = f.find_int(10, 255, start) assert len(ans) == 11 assert ans[-1] == start
def test_start(start): f = Fade(10) ans = f.find_int(10, start, 255) assert len(ans) == 11 assert ans[-1] == 255
def test_range(largest): f = Fade(10) ans = f.find_int(10, 0, largest) assert len(ans) == 11 assert ans[-1] == largest
def test_last_number_255(steps): f = Fade(steps) ans = f.find_int(steps, 0, 255) assert ans[-1] == 255
def test_find_int_len(steps): f = Fade(steps) assert len(f.find_int(steps, 0, 255)) == steps+1