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from pytest import approx as assert_list_almost_equal
from colormap import colors
from colormap.colors import *
def test_hex2web():
assert hex2web("#FFAA11") == "#FA1"
def test_web2hex():
assert web2hex("#FA1") == "#FFAA11"
def test_rgb2yuv():
assert_list_almost_equal(rgb2yuv(1, 1, 1), (1, 0, 0))
assert_list_almost_equal(rgb2yuv_int(255, 255, 255), (255, 0, 0))
assert_list_almost_equal(yuv2rgb(1, 0, 0), (1, 1, 1))
assert_list_almost_equal(yuv2rgb_int(255, 0, 0), (255, 255, 255))
def test_rgb2hsv():
assert_list_almost_equal(colors.rgb2hsv(0, 1, 1), (0.5, 1, 1))
assert_list_almost_equal(colors.rgb2hsv(0, 255, 255, normalised=False), (0.5, 1, 1))
assert_list_almost_equal(hsv2rgb(0.5, 1, 1), (0, 1, 1))
assert_list_almost_equal(colors.hsv2rgb(180, 100, 100, normalised=False), (0, 1, 1))
def test_rgb2hls():
assert_list_almost_equal(colors.rgb2hls(0, 1, 1), (0.5, 0.5, 1))
assert_list_almost_equal(colors.rgb2hls(0, 255, 255, normalised=False), (0.5, 0.5, 1))
assert_list_almost_equal(colors.hls2rgb(0.5, 0.5, 1), (0, 1, 1))
assert_list_almost_equal(colors.hls2rgb(180, 50, 100, normalised=False), (0.0, 1, 1))
def test_hex2dec():
assert colors.hex2dec("FF") == 1
assert colors.hex2dec("#FF") == 1
def test_rgb2hex():
colors.rgb2hex(0, 0, 255)
colors.rgb2hex(0, 0, 1)
colors.rgb2hex(*(0, 0, 1))
try:
colors.rgb2hex([0, 0])
assert False
except:
assert True
try:
colors.rgb2hex(0, 0, 1000)
assert False
except:
assert True
try:
colors.rgb2hex(0, 0, -1000)
assert False
except:
assert True
try:
colors.rgb2hex(0, 0, 10, normalised=True)
assert False
except:
assert True
def testColors():
# test constructors
c = colors.Color("#FFF")
c = colors.Color(rgb=(0, 0, 0))
c = colors.Color(hls=(0, 0, 0))
c = colors.Color(hsv=(0, 0, 0))
c = colors.Color(c)
try:
colors.Color()
assert False
except:
assert True
try:
colors.Color(object)
assert False
except:
assert True
# test setter/getter
c = colors.Color("Blue")
assert c.rgb == (0, 0, 1)
assert c.hex == "#0000FF"
assert_list_almost_equal(c.hsv, (0.66666666666666, 1, 1))
assert c.value == 1
assert_list_almost_equal(c.hls, (0.666666666666666, 0.5, 1))
print(c)
c.normalised = True
c.name
c.hsv
c.hls
print(c)
assert c.rgb == (0, 0, 1)
c.rgb = (0, 0, 1)
c.hsv = (0, 0, 1)
c.normalised = False
# name can be changed and affects RGB/HEX
c.name = "Magenta"
assert c.rgb == colors._normalise(255, 0.0, 255)
assert c.hex == "#FF00FF"
# hex can be changed and affects name/HEX
c.hex = "#F8F8FF"
assert c.name == "Ghost White" # non official name
# assert c.rgb ==
# RGB can be changed and affects name/HEX
c.rgb = colors._normalise(248, 248, 255)
assert c.name == "Ghost White" # official name
assert c.hex == "#F8F8FF"
assert c.name == "Ghost White" # non official but works
assert c.hex == "#F8F8FF"
c.saturation_hls = 0.5
assert c.saturation_hls == 0.5
c.lightness = 0.5
assert c.lightness == 0.5
c.hue = 0.5
assert c.hue == 0.5
c.hex = "#FF1F1F"
assert c.name == "undefined"
try:
c.hex = "ZFF1F1F"
assert False
except:
assert True
c = colors.Color("red")
assert c.red == 1
assert c.green == 0
assert c.blue == 0
c.blue = 0.0
c.green = 0.0
c.red = 0
assert c.name == "Black"
c.value
c.value = 0.5
c.yiq
def test_normalise():
colors._normalise(255, 255, 255, mode="rgb") == (1, 1, 1)
colors._normalise(*(255, 255, 255), mode="rgb") == (1, 1, 1)
colors._normalise(*(360, 100, 100), mode="hls") == (1, 1, 1)
colors._denormalise(*(1, 1, 1), mode="rgb") == (255, 255, 255)
colors._denormalise(*(1, 1, 1), mode="hls") == (360, 100, 100)
def test_to_intensity():
to_intensity(0.5)
def test_plot_colormap():
plot_colormap("jet")
plot_colormap("jet_r")
try:
plot_colormap("dummy")
assert False
except (AssertionError, TypeError):
assert True
def test_plot_category():
plot_category("diverging")
def test_colormap():
try:
from pylab import clf, close, gcf
except:
return
c = Colormap()
cmap = c.get_cmap_heat()
# c.test_cmap(cmap)
f = gcf()
# f.close()
# design your own colormap
d = {"blue": [0, 0, 0, 1, 1, 1, 0], "green": [0, 1, 1, 1, 0, 0, 0], "red": [1, 1, 0, 0, 0, 1, 1]}
cmap = c.cmap(d, reverse=True)
cmap = c.cmap("jet", reverse=True)
cmap = c.cmap("heat")
cmap = c.cmap("heat_r")
cmap = c.get_cmap_rainbow()
cmap = c.get_cmap_red_green()
cmap = c.get_cmap_heat_r()
t = [
"#FF0000FF",
"#FF4D00FF",
"#FF9900FF",
"#FFE500FF",
"#CCFF00FF",
"#80FF00FF",
"#33FF00FF",
"#00FF19FF",
"#00FF66FF",
"#00FFB2FF",
"#00FFFFFF",
"#00B3FFFF",
"#0066FFFF",
"#001AFFFF",
"#3300FFFF",
"#7F00FFFF",
"#CC00FFFF",
"#FF00E6FF",
"#FF0099FF",
"#FF004DFF",
]
# FIXME: need to find a way to close the plot. close('all') does not work
# c.plot_rgb_from_hex_list(t)
c.plot_colormap("misc")
try:
c.plot_colormap("dummy")
assert False
except ValueError:
pass
c.test_colormap("jet")
c.diverging
c.colormaps
c.sequentials
c.sequentials2
c.qualitative
c.cyclic
c.perceptually_uniform
t = [
"#FF0000FF",
"#FF4D00FF",
"#FF9900FF",
"#FFE500FF",
"#CCFF00FF",
"#80FF00FF",
"#33FF00FF",
"#00FF19FF",
"#00FF66FF",
"#00FFB2FF",
"#00FFFFFF",
"#00B3FFFF",
"#0066FFFF",
"#001AFFFF",
"#3300FFFF",
"#7F00FFFF",
"#CC00FFFF",
"#FF00E6FF",
"#FF0099FF",
"#FF004DFF",
]
c.plot_rgb_from_hex_list(t)
c.test_colormap() # no input plots the heat map
def test_HEX():
h = HEX()
h.get_standard_hex_color("0xFFF")
try:
h.get_standard_hex_color(22)
assert False
except:
assert True
try:
h.get_standard_hex_color("r")
assert False
except:
assert True
try:
h.get_standard_hex_color("rrrrrrrrrrrr")
assert False
except:
assert True
try:
h.get_standard_hex_color("#AAAZZZ")
assert False
except:
assert True
try:
h.get_standard_hex_color("#AAAA")
assert False
except:
assert True
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