47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
import pytest
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from pathlib import Path
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from analyzer import is_blurry
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def make_test_image(tmp_path, color=(200, 200, 200)):
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from PIL import Image
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img = Image.new("RGB", (100, 100), color=color)
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p = tmp_path / "test.jpg"
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img.save(p)
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return str(p)
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def test_solid_color_image_is_blurry(tmp_path):
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path = make_test_image(tmp_path)
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assert is_blurry(path, threshold=100) is True
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def test_normal_image_is_not_blurry(tmp_path):
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from PIL import Image, ImageDraw
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img = Image.new("RGB", (100, 100), color=(255, 255, 255))
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draw = ImageDraw.Draw(img)
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for i in range(0, 100, 2):
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draw.line([(i, 0), (i, 100)], fill=(0, 0, 0), width=1)
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p = tmp_path / "sharp.jpg"
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img.save(p)
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assert is_blurry(str(p), threshold=100) is False
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from analyzer import is_overexposed, is_underexposed
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def test_white_image_is_overexposed(tmp_path):
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path = make_test_image(tmp_path, color=(255, 255, 255))
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assert is_overexposed(path, threshold=240) is True
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def test_dark_image_is_underexposed(tmp_path):
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path = make_test_image(tmp_path, color=(10, 10, 10))
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assert is_underexposed(path, threshold=30) is True
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def test_normal_image_is_neither(tmp_path):
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path = make_test_image(tmp_path, color=(128, 128, 128))
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assert is_overexposed(path, threshold=240) is False
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assert is_underexposed(path, threshold=30) is False
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