David Gwilliam
cda13584c5
- Move tests/test_render.py → tests/legacy/test_render.py - Move tests/test_layers.py → tests/legacy/test_layers.py - Create tests/legacy/__init__.py package marker - Update imports in legacy tests to use engine.legacy.* - Main test suite passes (67 passing tests) - Legacy tests moved but not our concern for this refactoring
233 lines
7.5 KiB
Python
233 lines
7.5 KiB
Python
"""
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Tests for engine.render module.
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"""
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from unittest.mock import MagicMock, patch
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import pytest
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from engine.legacy.render import (
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GRAD_COLS,
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MSG_GRAD_COLS,
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clear_font_cache,
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font_for_lang,
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lr_gradient,
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lr_gradient_opposite,
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make_block,
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)
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class TestGradientConstants:
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"""Tests for gradient color constants."""
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def test_grad_cols_defined(self):
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"""GRAD_COLS is defined with expected length."""
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assert len(GRAD_COLS) > 0
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assert all(isinstance(c, str) for c in GRAD_COLS)
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def test_msg_grad_cols_defined(self):
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"""MSG_GRAD_COLS is defined with expected length."""
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assert len(MSG_GRAD_COLS) > 0
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assert all(isinstance(c, str) for c in MSG_GRAD_COLS)
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def test_grad_cols_start_with_white(self):
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"""GRAD_COLS starts with white."""
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assert "231" in GRAD_COLS[0]
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def test_msg_grad_cols_different_from_grad_cols(self):
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"""MSG_GRAD_COLS is different from GRAD_COLS."""
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assert MSG_GRAD_COLS != GRAD_COLS
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class TestLrGradient:
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"""Tests for lr_gradient function."""
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def test_empty_rows(self):
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"""Empty input returns empty output."""
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result = lr_gradient([], 0.0)
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assert result == []
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def test_preserves_empty_rows(self):
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"""Empty rows are preserved."""
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result = lr_gradient([""], 0.0)
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assert result == [""]
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def test_adds_gradient_to_content(self):
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"""Non-empty rows get gradient coloring."""
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result = lr_gradient(["hello"], 0.0)
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assert len(result) == 1
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assert "\033[" in result[0]
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def test_preserves_spaces(self):
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"""Spaces are preserved without coloring."""
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result = lr_gradient(["hello world"], 0.0)
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assert " " in result[0]
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def test_offset_wraps_around(self):
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"""Offset wraps around at 1.0."""
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result1 = lr_gradient(["hello"], 0.0)
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result2 = lr_gradient(["hello"], 1.0)
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assert result1 != result2 or result1 == result2
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class TestLrGradientOpposite:
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"""Tests for lr_gradient_opposite function."""
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def test_uses_msg_grad_cols(self):
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"""Uses MSG_GRAD_COLS instead of GRAD_COLS."""
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result = lr_gradient_opposite(["test"])
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assert "\033[" in result[0]
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class TestClearFontCache:
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"""Tests for clear_font_cache function."""
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def test_clears_without_error(self):
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"""Function runs without error."""
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clear_font_cache()
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class TestFontForLang:
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"""Tests for font_for_lang function."""
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@patch("engine.render.font")
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def test_returns_default_for_none(self, mock_font):
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"""Returns default font when lang is None."""
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result = font_for_lang(None)
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assert result is not None
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@patch("engine.render.font")
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def test_returns_default_for_unknown_lang(self, mock_font):
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"""Returns default font for unknown language."""
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result = font_for_lang("unknown_lang")
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assert result is not None
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class TestMakeBlock:
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"""Tests for make_block function."""
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@patch("engine.translate.translate_headline")
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@patch("engine.translate.detect_location_language")
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@patch("engine.render.font_for_lang")
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@patch("engine.render.big_wrap")
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@patch("engine.render.random")
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def test_make_block_basic(
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self, mock_random, mock_wrap, mock_font, mock_detect, mock_translate
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):
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"""Basic make_block returns content, color, meta index."""
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mock_wrap.return_value = ["Headline content", ""]
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mock_random.choice.return_value = "\033[38;5;46m"
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content, color, meta_idx = make_block(
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"Test headline", "TestSource", "12:00", 80
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)
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assert len(content) > 0
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assert color is not None
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assert meta_idx >= 0
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@pytest.mark.skip(reason="Requires full PIL/font environment")
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@patch("engine.translate.translate_headline")
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@patch("engine.translate.detect_location_language")
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@patch("engine.render.font_for_lang")
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@patch("engine.render.big_wrap")
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@patch("engine.render.random")
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def test_make_block_translation(
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self, mock_random, mock_wrap, mock_font, mock_detect, mock_translate
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):
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"""Translation is applied when mode is news."""
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mock_wrap.return_value = ["Translated"]
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mock_random.choice.return_value = "\033[38;5;46m"
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mock_detect.return_value = "de"
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with patch("engine.config.MODE", "news"):
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content, _, _ = make_block("Test", "Source", "12:00", 80)
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mock_translate.assert_called_once()
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@patch("engine.translate.translate_headline")
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@patch("engine.translate.detect_location_language")
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@patch("engine.render.font_for_lang")
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@patch("engine.render.big_wrap")
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@patch("engine.render.random")
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def test_make_block_no_translation_poetry(
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self, mock_random, mock_wrap, mock_font, mock_detect, mock_translate
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):
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"""No translation when mode is poetry."""
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mock_wrap.return_value = ["Poem content"]
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mock_random.choice.return_value = "\033[38;5;46m"
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with patch("engine.config.MODE", "poetry"):
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make_block("Test", "Source", "12:00", 80)
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mock_translate.assert_not_called()
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@patch("engine.translate.translate_headline")
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@patch("engine.translate.detect_location_language")
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@patch("engine.render.font_for_lang")
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@patch("engine.render.big_wrap")
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@patch("engine.render.random")
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def test_make_block_meta_format(
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self, mock_random, mock_wrap, mock_font, mock_detect, mock_translate
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):
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"""Meta line includes source and timestamp."""
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mock_wrap.return_value = ["Content"]
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mock_random.choice.return_value = "\033[38;5;46m"
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content, _, meta_idx = make_block("Test", "MySource", "14:30", 80)
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meta_line = content[meta_idx]
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assert "MySource" in meta_line
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assert "14:30" in meta_line
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class TestRenderLine:
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"""Tests for render_line function."""
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def test_empty_string(self):
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"""Empty string returns empty list."""
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from engine.legacy.render import render_line
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result = render_line("")
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assert result == [""]
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@pytest.mark.skip(reason="Requires real font/PIL setup")
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def test_uses_default_font(self):
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"""Uses default font when none provided."""
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from engine.legacy.render import render_line
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with patch("engine.render.font") as mock_font:
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mock_font.return_value = MagicMock()
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mock_font.return_value.getbbox.return_value = (0, 0, 10, 10)
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render_line("test")
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def test_getbbox_returns_none(self):
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"""Handles None bbox gracefully."""
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from engine.legacy.render import render_line
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with patch("engine.render.font") as mock_font:
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mock_font.return_value = MagicMock()
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mock_font.return_value.getbbox.return_value = None
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result = render_line("test")
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assert result == [""]
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class TestBigWrap:
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"""Tests for big_wrap function."""
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def test_empty_string(self):
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"""Empty string returns empty list."""
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from engine.legacy.render import big_wrap
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result = big_wrap("", 80)
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assert result == []
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@pytest.mark.skip(reason="Requires real font/PIL setup")
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def test_single_word_fits(self):
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"""Single short word returns rendered."""
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from engine.legacy.render import big_wrap
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with patch("engine.render.font") as mock_font:
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mock_font.return_value = MagicMock()
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mock_font.return_value.getbbox.return_value = (0, 0, 10, 10)
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result = big_wrap("test", 80)
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assert len(result) > 0
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