247 lines
7.5 KiB
Python
247 lines
7.5 KiB
Python
from contextlib import ExitStack as DoesNotRaise
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import numpy as np
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import pytest
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from supervision.annotators.utils import (
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ColorLookup,
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hex_to_rgba,
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is_valid_hex,
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resolve_color_idx,
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rgba_to_hex,
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wrap_text,
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)
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from supervision.detection.core import Detections
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from tests.helpers import _create_detections
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@pytest.mark.parametrize(
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("detections", "detection_idx", "color_lookup", "expected_result", "exception"),
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[
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(
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_create_detections(
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xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
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class_id=[5, 3],
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tracker_id=[2, 6],
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),
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0,
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ColorLookup.INDEX,
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0,
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DoesNotRaise(),
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), # multiple detections; index lookup
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(
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_create_detections(
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xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
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class_id=[5, 3],
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tracker_id=[2, 6],
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),
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0,
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ColorLookup.CLASS,
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5,
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DoesNotRaise(),
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), # multiple detections; class lookup
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(
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_create_detections(
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xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
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class_id=[5, 3],
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tracker_id=[2, 6],
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),
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0,
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ColorLookup.TRACK,
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2,
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DoesNotRaise(),
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), # multiple detections; track lookup
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(
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Detections.empty(),
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0,
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ColorLookup.INDEX,
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None,
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pytest.raises(ValueError, match="out of bounds for detections of length 0"),
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), # no detections; index lookup; out of bounds
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(
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_create_detections(
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xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
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class_id=[5, 3],
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tracker_id=[2, 6],
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),
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2,
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ColorLookup.INDEX,
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None,
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pytest.raises(ValueError, match="Detection index 2"),
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), # multiple detections; index lookup; out of bounds
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(
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_create_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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0,
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ColorLookup.CLASS,
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None,
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pytest.raises(ValueError, match="resolve color by class"),
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), # multiple detections; class lookup; no class_id
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(
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_create_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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0,
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ColorLookup.TRACK,
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None,
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pytest.raises(ValueError, match="resolve color by track"),
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), # multiple detections; class lookup; no track_id
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(
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_create_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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0,
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np.array([1, 0]),
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1,
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DoesNotRaise(),
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), # multiple detections; custom lookup; correct length
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(
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_create_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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0,
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np.array([1]),
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None,
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pytest.raises(ValueError, match="Length of color lookup 1"),
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), # multiple detections; custom lookup; wrong length
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],
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)
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def test_resolve_color_idx(
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detections: Detections,
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detection_idx: int,
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color_lookup: ColorLookup | np.ndarray,
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expected_result: int | None,
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exception: Exception,
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) -> None:
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with exception:
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result = resolve_color_idx(
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detections=detections,
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detection_idx=detection_idx,
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color_lookup=color_lookup,
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)
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assert result == expected_result
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@pytest.mark.parametrize(
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("text", "max_line_length", "expected_result", "exception"),
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[
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(None, None, [""], DoesNotRaise()), # text is None
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("", None, [""], DoesNotRaise()), # empty string
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(" \t ", 3, [""], DoesNotRaise()), # whitespace-only (spaces + tab)
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(12345, None, ["12345"], DoesNotRaise()), # plain integer
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(-6789, None, ["-6789"], DoesNotRaise()), # negative integer
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(np.int64(1000), None, ["1000"], DoesNotRaise()), # NumPy int64
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([1, 2, 3], None, ["[1, 2, 3]"], DoesNotRaise()), # list to string
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(
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"When you play the game of thrones, you win or you die.\nFear cuts deeper than swords.\nA mind needs books as a sword needs a whetstone.", # noqa: E501
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None,
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[
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"When you play the game of thrones, you win or you die.",
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"Fear cuts deeper than swords.",
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"A mind needs books as a sword needs a whetstone.",
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],
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DoesNotRaise(),
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), # Game-of-Thrones quotes, multiline
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("\n", None, [""], DoesNotRaise()), # single newline
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(
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"valarmorghulisvalardoharis",
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6,
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["valarm", "orghul", "isvala", "rdohar", "is"],
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DoesNotRaise(),
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), # long Valyrian phrase, wrapped
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(
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"Winter is coming\nFire and blood",
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10,
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[
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"Winter is",
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"coming",
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"Fire and",
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"blood",
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],
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DoesNotRaise(),
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), # mix of short/long with newline
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(
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"What is dead may never die",
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0,
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None,
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pytest.raises(ValueError, match="max_line_length must be"),
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), # width 0 - invalid
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(
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"A Lannister always pays his debts",
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-1,
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None,
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pytest.raises(ValueError, match="positive integer"),
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), # width -1 - invalid
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(None, 10, [""], DoesNotRaise()), # text None, width set
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],
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)
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def test_wrap_text(
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text: object,
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max_line_length: int | None,
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expected_result: list[str],
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exception: Exception,
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) -> None:
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with exception:
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result = wrap_text(text=text, max_line_length=max_line_length)
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assert result == expected_result
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@pytest.mark.parametrize(
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("hex_color", "expected_rgba"),
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[
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("#FF00FF", (255, 0, 255, 255)),
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("FF00FF", (255, 0, 255, 255)),
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("#FF00FF80", (255, 0, 255, 128)),
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("00FF0080", (0, 255, 0, 128)),
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(" #ff00ff80 ", (255, 0, 255, 128)),
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("abcdef", (171, 205, 239, 255)),
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],
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)
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def test_hex_to_rgba_valid(
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hex_color: str, expected_rgba: tuple[int, int, int, int]
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) -> None:
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assert hex_to_rgba(hex_color) == expected_rgba
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@pytest.mark.parametrize("hex_color", ["#FF00F", "#GGHHII", "#FFF", "1234567"])
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def test_hex_to_rgba_invalid(hex_color: str) -> None:
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with pytest.raises(ValueError, match="Invalid hex"):
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hex_to_rgba(hex_color)
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@pytest.mark.parametrize(
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("rgba", "expected_hex"),
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[
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((0, 0, 0, 0), "#00000000"),
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((255, 0, 255, 255), "#FF00FFFF"),
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((0, 255, 0, 128), "#00FF0080"),
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((255, 255, 255, 255), "#FFFFFFFF"),
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],
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)
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def test_rgba_to_hex(rgba: tuple[int, int, int, int], expected_hex: str) -> None:
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assert rgba_to_hex(rgba) == expected_hex
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@pytest.mark.parametrize(
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"rgba",
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[
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(255, 0, 0),
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(256, 0, 0, 255),
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(-1, 0, 0, 255),
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(255, 0, 0, -1),
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],
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)
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def test_rgba_to_hex_invalid(rgba: tuple[int, ...]) -> None:
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with pytest.raises(ValueError, match="RGBA must be a 4-tuple"):
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rgba_to_hex(rgba) # type: ignore[arg-type]
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@pytest.mark.parametrize(
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("hex_color", "expected_result"),
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[
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("#FF00FF", True),
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("ff00ff", True),
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("00FF0080", True),
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(" 00ff0080 ", True),
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("#XYZ123", False),
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("FF00F", False),
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("#FFF", False),
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("#1234567", False),
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],
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)
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def test_is_valid_hex(hex_color: str, expected_result: bool) -> None:
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assert is_valid_hex(hex_color) is expected_result
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