feat: UDT palette theming

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/test_theme.py b/tests/test_theme.py
new file mode 100644
index 0000000..5f2f533
--- /dev/null
+++ b/tests/test_theme.py
@@ -0,0 +1,34 @@
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+import unittest
+
+import deckit.theme as theme
+
+PALETTE = """* {
+    base:      #24273aff;
+    text:      #cad3f5ff;
+    surface0:  #363a4fff;
+}"""
+ACCENT = "* { accent: #b7bdf8; }"
+
+
+class Theme(unittest.TestCase):
+    def test_parses_palette(self):
+        self.assertEqual(theme.parse_palette(PALETTE),
+                         {"base": "#24273aff", "text": "#cad3f5ff", "surface0": "#363a4fff"})
+
+    def test_parses_accent(self):
+        self.assertEqual(theme.parse_accent(ACCENT), "#b7bdf8")
+        self.assertIsNone(theme.parse_accent("nothing"))
+
+    def test_css_exposes_vars_and_falls_back(self):
+        out = theme.css({"base": "#24273a"}, None)
+        self.assertIn("--udt-base: #24273a", out)
+        self.assertIn("--udt-accent:", out)  # fallback accent
+
+
+if __name__ == "__main__":
+    unittest.main()