mud/tests/test_ansi.py
Jared Miller b0fcb080d3
Wire client capabilities into Player & terrain
Parse MTTS from telnetlib3 writer during connection and store capabilities
on Player.caps field. Add convenience property Player.color_depth that
delegates to caps.color_depth for easy access by rendering code.

Changes:
- Add caps field to Player with default 16-color ANSI capabilities
- Parse MTTS in server shell after Player creation using parse_mtts()
- Add Player.color_depth property for quick capability checks
- Add tests verifying Player caps integration and color_depth property
2026-02-07 22:44:45 -05:00

161 lines
4.5 KiB
Python

from mudlib.render.ansi import (
RESET,
bg_256,
bg_rgb,
colorize_map,
colorize_terrain,
fg_256,
fg_rgb,
)
def test_colorize_terrain_grass():
"""Grass is colored green."""
result = colorize_terrain(".")
assert "\033[" in result # has ANSI code
assert "." in result
assert RESET in result
def test_colorize_terrain_mountain():
"""Mountain is colored."""
result = colorize_terrain("^")
assert "\033[" in result
assert "^" in result
assert RESET in result
def test_colorize_terrain_water():
"""Water is colored blue."""
result = colorize_terrain("~")
assert "\033[" in result
assert "~" in result
assert RESET in result
def test_colorize_terrain_unknown():
"""Unknown characters pass through unchanged."""
result = colorize_terrain("?")
assert result == "?"
def test_colorize_map():
"""colorize_map returns newline-separated colored rows."""
grid = [
[".", ".", "T"],
["~", "^", "."],
]
result = colorize_map(grid)
assert "\n" in result
lines = result.split("\n")
assert len(lines) == 2
# should have ANSI codes
assert "\033[" in result
def test_fg_256_basic():
"""Generate 256-color foreground code."""
assert fg_256(0) == "\033[38;5;0m"
assert fg_256(15) == "\033[38;5;15m"
assert fg_256(42) == "\033[38;5;42m"
assert fg_256(255) == "\033[38;5;255m"
def test_bg_256_basic():
"""Generate 256-color background code."""
assert bg_256(0) == "\033[48;5;0m"
assert bg_256(15) == "\033[48;5;15m"
assert bg_256(42) == "\033[48;5;42m"
assert bg_256(255) == "\033[48;5;255m"
def test_fg_256_clamping():
"""Clamp 256-color values to valid range (0-255)."""
assert fg_256(-1) == "\033[38;5;0m"
assert fg_256(256) == "\033[38;5;255m"
assert fg_256(999) == "\033[38;5;255m"
def test_bg_256_clamping():
"""Clamp 256-color values to valid range (0-255)."""
assert bg_256(-1) == "\033[48;5;0m"
assert bg_256(256) == "\033[48;5;255m"
assert bg_256(999) == "\033[48;5;255m"
def test_fg_rgb_basic():
"""Generate truecolor foreground code."""
assert fg_rgb(0, 0, 0) == "\033[38;2;0;0;0m"
assert fg_rgb(255, 255, 255) == "\033[38;2;255;255;255m"
assert fg_rgb(128, 64, 192) == "\033[38;2;128;64;192m"
def test_bg_rgb_basic():
"""Generate truecolor background code."""
assert bg_rgb(0, 0, 0) == "\033[48;2;0;0;0m"
assert bg_rgb(255, 255, 255) == "\033[48;2;255;255;255m"
assert bg_rgb(128, 64, 192) == "\033[48;2;128;64;192m"
def test_fg_rgb_clamping():
"""Clamp RGB values to valid range (0-255)."""
assert fg_rgb(-1, 0, 0) == "\033[38;2;0;0;0m"
assert fg_rgb(0, 300, 0) == "\033[38;2;0;255;0m"
assert fg_rgb(0, 0, 999) == "\033[38;2;0;0;255m"
assert fg_rgb(-10, 300, 500) == "\033[38;2;0;255;255m"
def test_bg_rgb_clamping():
"""Clamp RGB values to valid range (0-255)."""
assert bg_rgb(-1, 0, 0) == "\033[48;2;0;0;0m"
assert bg_rgb(0, 300, 0) == "\033[48;2;0;255;0m"
assert bg_rgb(0, 0, 999) == "\033[48;2;0;0;255m"
assert bg_rgb(-10, 300, 500) == "\033[48;2;0;255;255m"
def test_colorize_terrain_default_16color():
"""Default color_depth uses 16-color palette."""
result = colorize_terrain(".")
assert "\033[32m" in result # GREEN
assert "." in result
assert RESET in result
def test_colorize_terrain_256color():
"""color_depth=256 uses 256-color palette."""
result = colorize_terrain(".", "256")
assert "\033[38;5;" in result # 256-color code
assert "." in result
assert RESET in result
def test_colorize_terrain_truecolor():
"""color_depth=truecolor uses RGB palette."""
result = colorize_terrain(".", "truecolor")
assert "\033[38;2;" in result # truecolor code
assert "." in result
assert RESET in result
def test_colorize_map_default_16color():
"""colorize_map with default uses 16-color palette."""
grid = [[".", "~"], ["^", "T"]]
result = colorize_map(grid)
assert "\033[32m" in result # GREEN for grass
assert "\033[34m" in result # BLUE for water
def test_colorize_map_256color():
"""colorize_map with color_depth=256 uses 256-color palette."""
grid = [[".", "~"]]
result = colorize_map(grid, "256")
assert "\033[38;5;" in result # 256-color codes present
def test_colorize_map_truecolor():
"""colorize_map with color_depth=truecolor uses RGB palette."""
grid = [[".", "~"]]
result = colorize_map(grid, "truecolor")
assert "\033[38;2;" in result # truecolor codes present