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import unittest
from django.utils.termcolors import (
DARK_PALETTE,
DEFAULT_PALETTE,
LIGHT_PALETTE,
NOCOLOR_PALETTE,
PALETTES,
colorize,
parse_color_setting,
)
class TermColorTests(unittest.TestCase):
def test_empty_string(self):
self.assertEqual(parse_color_setting(""), PALETTES[DEFAULT_PALETTE])
def test_simple_palette(self):
self.assertEqual(parse_color_setting("light"), PALETTES[LIGHT_PALETTE])
self.assertEqual(parse_color_setting("dark"), PALETTES[DARK_PALETTE])
self.assertIsNone(parse_color_setting("nocolor"))
def test_fg(self):
self.assertEqual(
parse_color_setting("error=green"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
def test_fg_bg(self):
self.assertEqual(
parse_color_setting("error=green/blue"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "bg": "blue"}),
)
def test_fg_opts(self):
self.assertEqual(
parse_color_setting("error=green,blink"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "opts": ("blink",)}),
)
self.assertEqual(
parse_color_setting("error=green,bold,blink"),
dict(
PALETTES[NOCOLOR_PALETTE],
ERROR={"fg": "green", "opts": ("blink", "bold")},
),
)
def test_fg_bg_opts(self):
self.assertEqual(
parse_color_setting("error=green/blue,blink"),
dict(
PALETTES[NOCOLOR_PALETTE],
ERROR={"fg": "green", "bg": "blue", "opts": ("blink",)},
),
)
self.assertEqual(
parse_color_setting("error=green/blue,bold,blink"),
dict(
PALETTES[NOCOLOR_PALETTE],
ERROR={"fg": "green", "bg": "blue", "opts": ("blink", "bold")},
),
)
def test_override_palette(self):
self.assertEqual(
parse_color_setting("light;error=green"),
dict(PALETTES[LIGHT_PALETTE], ERROR={"fg": "green"}),
)
def test_override_nocolor(self):
self.assertEqual(
parse_color_setting("nocolor;error=green"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
def test_reverse_override(self):
self.assertEqual(
parse_color_setting("error=green;light"), PALETTES[LIGHT_PALETTE]
)
def test_multiple_roles(self):
self.assertEqual(
parse_color_setting("error=green;sql_field=blue"),
dict(
PALETTES[NOCOLOR_PALETTE],
ERROR={"fg": "green"},
SQL_FIELD={"fg": "blue"},
),
)
def test_override_with_multiple_roles(self):
self.assertEqual(
parse_color_setting("light;error=green;sql_field=blue"),
dict(
PALETTES[LIGHT_PALETTE], ERROR={"fg": "green"}, SQL_FIELD={"fg": "blue"}
),
)
def test_empty_definition(self):
self.assertIsNone(parse_color_setting(";"))
self.assertEqual(parse_color_setting("light;"), PALETTES[LIGHT_PALETTE])
self.assertIsNone(parse_color_setting(";;;"))
def test_empty_options(self):
self.assertEqual(
parse_color_setting("error=green,"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=green,,,"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=green,,blink,,"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "opts": ("blink",)}),
)
def test_bad_palette(self):
self.assertIsNone(parse_color_setting("unknown"))
def test_bad_role(self):
self.assertIsNone(parse_color_setting("unknown="))
self.assertIsNone(parse_color_setting("unknown=green"))
self.assertEqual(
parse_color_setting("unknown=green;sql_field=blue"),
dict(PALETTES[NOCOLOR_PALETTE], SQL_FIELD={"fg": "blue"}),
)
def test_bad_color(self):
self.assertIsNone(parse_color_setting("error="))
self.assertEqual(
parse_color_setting("error=;sql_field=blue"),
dict(PALETTES[NOCOLOR_PALETTE], SQL_FIELD={"fg": "blue"}),
)
self.assertIsNone(parse_color_setting("error=unknown"))
self.assertEqual(
parse_color_setting("error=unknown;sql_field=blue"),
dict(PALETTES[NOCOLOR_PALETTE], SQL_FIELD={"fg": "blue"}),
)
self.assertEqual(
parse_color_setting("error=green/unknown"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=green/blue/something"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "bg": "blue"}),
)
self.assertEqual(
parse_color_setting("error=green/blue/something,blink"),
dict(
PALETTES[NOCOLOR_PALETTE],
ERROR={"fg": "green", "bg": "blue", "opts": ("blink",)},
),
)
def test_bad_option(self):
self.assertEqual(
parse_color_setting("error=green,unknown"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=green,unknown,blink"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "opts": ("blink",)}),
)
def test_role_case(self):
self.assertEqual(
parse_color_setting("ERROR=green"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("eRrOr=green"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
def test_color_case(self):
self.assertEqual(
parse_color_setting("error=GREEN"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=GREEN/BLUE"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "bg": "blue"}),
)
self.assertEqual(
parse_color_setting("error=gReEn"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green"}),
)
self.assertEqual(
parse_color_setting("error=gReEn/bLuE"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "bg": "blue"}),
)
def test_opts_case(self):
self.assertEqual(
parse_color_setting("error=green,BLINK"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "opts": ("blink",)}),
)
self.assertEqual(
parse_color_setting("error=green,bLiNk"),
dict(PALETTES[NOCOLOR_PALETTE], ERROR={"fg": "green", "opts": ("blink",)}),
)
def test_colorize_empty_text(self):
self.assertEqual(colorize(text=None), "\x1b[m\x1b[0m")
self.assertEqual(colorize(text=""), "\x1b[m\x1b[0m")
self.assertEqual(colorize(text=None, opts=("noreset",)), "\x1b[m")
self.assertEqual(colorize(text="", opts=("noreset",)), "\x1b[m")
def test_colorize_reset(self):
self.assertEqual(colorize(text="", opts=("reset",)), "\x1b[0m")
def test_colorize_fg_bg(self):
self.assertEqual(colorize(text="Test", fg="red"), "\x1b[31mTest\x1b[0m")
self.assertEqual(colorize(text="Test", bg="red"), "\x1b[41mTest\x1b[0m")
# Ignored kwarg.
self.assertEqual(colorize(text="Test", other="red"), "\x1b[mTest\x1b[0m")
def test_colorize_opts(self):
self.assertEqual(
colorize(text="Test", opts=("bold", "underscore")),
"\x1b[1;4mTest\x1b[0m",
)
self.assertEqual(
colorize(text="Test", opts=("blink",)),
"\x1b[5mTest\x1b[0m",
)
# Ignored opts.
self.assertEqual(
colorize(text="Test", opts=("not_an_option",)),
"\x1b[mTest\x1b[0m",
)
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