Jan Doubravský
76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
import tempfile
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from pathlib import Path
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import pytest
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from src.core.media_utils import load_icon
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from PIL import Image, ImageTk
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import tkinter as tk
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@pytest.fixture(scope="module")
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def tk_root():
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"""Fixture pro inicializaci Tkinteru (nutné pro ImageTk)."""
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root = tk.Tk()
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yield root
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root.destroy()
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def test_load_icon_returns_photoimage(tk_root):
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"""Test že load_icon vrací PhotoImage"""
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# vytvoříme dočasný obrázek
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with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as tmp:
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tmp_path = Path(tmp.name)
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try:
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# vytvoříme 100x100 červený obrázek
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img = Image.new("RGB", (100, 100), color="red")
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img.save(tmp_path)
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icon = load_icon(tmp_path)
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# musí být PhotoImage
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assert isinstance(icon, ImageTk.PhotoImage)
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# ověříme velikost 16x16
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assert icon.width() == 16
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assert icon.height() == 16
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finally:
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tmp_path.unlink(missing_ok=True)
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def test_load_icon_resizes_image(tk_root):
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"""Test že load_icon správně změní velikost obrázku"""
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with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as tmp:
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tmp_path = Path(tmp.name)
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try:
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# vytvoříme velký obrázek 500x500
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img = Image.new("RGB", (500, 500), color="blue")
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img.save(tmp_path)
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icon = load_icon(tmp_path)
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# i velký obrázek by měl být zmenšen na 16x16
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assert icon.width() == 16
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assert icon.height() == 16
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finally:
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tmp_path.unlink(missing_ok=True)
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def test_load_icon_different_formats(tk_root):
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"""Test načítání různých formátů obrázků"""
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formats = [".png", ".jpg", ".bmp"]
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for fmt in formats:
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with tempfile.NamedTemporaryFile(suffix=fmt, delete=False) as tmp:
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tmp_path = Path(tmp.name)
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try:
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img = Image.new("RGB", (32, 32), color="green")
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img.save(tmp_path)
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icon = load_icon(tmp_path)
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assert isinstance(icon, ImageTk.PhotoImage)
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assert icon.width() == 16
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assert icon.height() == 16
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finally:
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tmp_path.unlink(missing_ok=True)
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