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"""
Tests for the HTML5 color algorithms.
"""
import unittest
import webcolors
class HTML5Tests(unittest.TestCase):
"""
Test the functions which implement the HTML5 color algorithms.
"""
def test_parse_simple_color(self):
"""
Test implementation of the HTML5 simple color parsing
algorithm.
"""
test_pairs = (
("#ffffff", (255, 255, 255)),
("#000080", (0, 0, 128)),
("#daa520", (218, 165, 32)),
)
for raw, parsed in test_pairs:
result = webcolors.html5_parse_simple_color(raw)
assert isinstance(result, webcolors.HTML5SimpleColor)
assert parsed == result
def test_parse_simple_color_error(self):
"""
Test error conditions of the HTML5 simple color parsing
algorithm.
"""
test_values = (
"0099ccc",
"#09c",
"#0000",
"#0000000",
"#0000gg",
"#000000".encode("ascii"),
)
for value in test_values:
self.assertRaises(ValueError, webcolors.html5_parse_simple_color, value)
def test_serialize_simple_color(self):
"""
Test implementation of the HTML5 simple color serialization
algorithm.
"""
test_pairs = (
((0, 0, 0), "#000000"),
((0, 0, 128), "#000080"),
((218, 165, 32), "#daa520"),
(webcolors.IntegerRGB(218, 165, 32), "#daa520"),
(webcolors.HTML5SimpleColor(218, 165, 32), "#daa520"),
)
for raw, serialized in test_pairs:
result = webcolors.html5_serialize_simple_color(raw)
assert serialized == result
def test_parse_legacy_color(self):
"""
Test implementation of the HTML5 legacy color parsing
algorithm.
"""
# One of these is the famous "chucknorris" value. Another is a
# CSS 2 system color. The final two are randomly-generated but
# believable junk strings. Correct output values obtained
# manually.
test_pairs = (
("chucknorris", (192, 0, 0)),
("Window", (0, 13, 0)),
("RE|SXLuAse", (224, 0, 224)),
("+=@FnnWL!Yb}5Dk", (0, 0, 176)),
("A" * 129, (170, 170, 170)),
)
for raw, parsed in test_pairs:
result = webcolors.html5_parse_legacy_color(raw)
assert isinstance(result, webcolors.HTML5SimpleColor)
assert parsed == result
def test_parse_legacy_color_names(self):
"""
Test the HTML5 legacy color parsing of SVG/CSS3 color names.
"""
for name in webcolors.CSS3_NAMES_TO_HEX:
parsed = webcolors.html5_parse_legacy_color(name)
assert parsed == webcolors.name_to_rgb(name)
def test_parse_legacy_color_hex(self):
"""
Test the HTML5 legacy color parsing of three- and six-digit
hexadecimal color values.
"""
test_values = ("#000", "#000000", "#fff", "#ffffff", "#000080")
for value in test_values:
parsed = webcolors.html5_parse_legacy_color(value)
assert parsed == webcolors.hex_to_rgb(value)
def test_parse_legacy_color_error(self):
"""
Test error conditions of the HTML5 legacy color parsing algorithm.
"""
test_values = ("#000000".encode("ascii"), "transparent", "")
for value in test_values:
self.assertRaises(ValueError, webcolors.html5_parse_legacy_color, value)
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