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docs(themes): add authoring guide for TOML theme system

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This commit is contained in:
Edward R. Gonzalez
2026-06-04 23:16:21 -04:00
parent 1cb68e4e3f
commit 465396675d
2 changed files with 147 additions and 0 deletions
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tests/test_theme.py
+95
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@@ -58,6 +58,12 @@ def test_get_syntax_palette_for_theme(tmp_path, monkeypatch):
(themes_dir / "solarized_light.toml").write_text(
'syntax_palette = "light"\n[colors]\nwindow_bg = [253, 246, 227]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
assert theme.get_syntax_palette_for_theme("solarized_light") == "light"
@@ -97,6 +103,95 @@ def test_solarized_light_uses_light_syntax_palette(tmp_path, monkeypatch):
(themes_dir / "solarized_light.toml").write_text(
'syntax_palette = "light"\n[colors]\nwindow_bg = [253, 246, 227]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
assert theme.get_syntax_palette_for_theme("solarized_light") == "light"
def test_solarized_dark_apply_does_not_raise(tmp_path, monkeypatch):
from src import paths as paths_mod
themes_dir = tmp_path / "themes"
themes_dir.mkdir()
(themes_dir / "solarized_dark.toml").write_text(
'syntax_palette = "dark"\n[colors]\nwindow_bg = [0, 43, 54]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
try:
theme.apply("solarized_dark")
except Exception as e:
pytest.fail(f"apply(solarized_dark) raised: {e}")
assert theme.get_current_palette() == "solarized_dark"
def test_gruvbox_dark_apply_does_not_raise(tmp_path, monkeypatch):
from src import paths as paths_mod
themes_dir = tmp_path / "themes"
themes_dir.mkdir()
(themes_dir / "gruvbox_dark.toml").write_text(
'syntax_palette = "retro_blue"\n[colors]\nwindow_bg = [40, 40, 40]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
theme.apply("gruvbox_dark")
assert theme.get_current_palette() == "gruvbox_dark"
def test_moss_apply_does_not_raise(tmp_path, monkeypatch):
from src import paths as paths_mod
themes_dir = tmp_path / "themes"
themes_dir.mkdir()
(themes_dir / "moss.toml").write_text(
'syntax_palette = "mariana"\n[colors]\nwindow_bg = [40, 47, 49]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
theme.apply("moss")
assert theme.get_current_palette() == "moss"
def test_solarized_light_apply_does_not_raise(tmp_path, monkeypatch):
from src import paths as paths_mod
themes_dir = tmp_path / "themes"
themes_dir.mkdir()
(themes_dir / "solarized_light.toml").write_text(
'syntax_palette = "light"\n[colors]\nwindow_bg = [253, 246, 227]\n'
)
from unittest.mock import MagicMock
mock_style = MagicMock()
mock_imgui = MagicMock()
mock_imgui.get_style.return_value = mock_style
mock_imgui.ImVec2.side_effect = lambda x, y: (x, y)
monkeypatch.setattr(theme, "imgui", mock_imgui)
monkeypatch.setattr(theme, "get_global_themes_path", lambda: themes_dir)
theme.load_themes_from_disk()
theme.apply("solarized_light")
assert theme.get_current_palette() == "solarized_light"