updated palette-classes ending in .*-light to switch the rgb values of their tooltip background-color attrs from black to white (better accessibility); changed 'monochrome-light' & its cognates to 'oblivion-light', since it's hardly monochrome at all anymore

src/functional_tests/test_applet_palette.py

@@ -1,5 +1,7 @@
 from selenium.webdriver.common.by import By
 
+from apps.lyric.models import User
+
 from .base import FunctionalTest
 
 
@@ -8,3 +10,20 @@ class SiteThemeTest(FunctionalTest):
         self.browser.get(self.live_server_url)
         body = self.browser.find_element(By.TAG_NAME, "body")
         self.assertIn("palette-default", body.get_attribute("class"))
+
+
+class LightPaletteTest(FunctionalTest):
+    def test_light_palette_tooltip_uses_white_background(self):
+        user, _ = User.objects.get_or_create(email="light@example.com")
+        user.palette = "palette-oblivion-light"
+        user.save()
+        self.create_pre_authenticated_session("light@example.com")
+
+        self.browser.get(self.live_server_url + "/dashboard/wallet/")
+
+        body = self.browser.find_element(By.TAG_NAME, "body")
+        tooltip_bg = self.browser.execute_script(
+            "return getComputedStyle(arguments[0]).getPropertyValue('--tooltip-bg').trim()",
+            body,
+        )
+        self.assertEqual(tooltip_bg, "255, 255, 255")