Add test for search results colors

Author: GuillaumeGomez

src/test/rustdoc-gui/search-result-color.goml

@@ -0,0 +1,32 @@
+// The goal of this test is to ensure the color of the text is the one expected.
+goto: file://|DOC_PATH|/test_docs/index.html?search=coo
+
+// This is needed so that the text color is computed.
+show-text: true
+
+// Ayu theme
+local-storage: {"rustdoc-theme": "ayu", "rustdoc-preferred-dark-theme": "ayu", "rustdoc-use-system-theme": "false"}
+reload:
+
+// Waiting for the search results to appear...
+wait-for: "#titles"
+assert-css: ("//*[@class='desc']//*[text()='Just a normal struct.']", {"color": "rgb(197, 197, 197)"})
+assert-css: ("//*[@class='result-name']/*[text()='test_docs::']", {"color": "rgb(0, 150, 207)"})
+
+// Dark theme
+local-storage: {"rustdoc-theme": "dark", "rustdoc-preferred-dark-theme": "dark", "rustdoc-use-system-theme": "false"}
+reload:
+
+// Waiting for the search results to appear...
+wait-for: "#titles"
+assert-css: ("//*[@class='desc']//*[text()='Just a normal struct.']", {"color": "rgb(221, 221, 221)"})
+assert-css: ("//*[@class='result-name']/*[text()='test_docs::']", {"color": "rgb(221, 221, 221)"})
+
+// Light theme
+local-storage: {"rustdoc-theme": "light", "rustdoc-use-system-theme": "false"}
+reload:
+
+// Waiting for the search results to appear...
+wait-for: "#titles"
+assert-css: ("//*[@class='desc']//*[text()='Just a normal struct.']", {"color": "rgb(0, 0, 0)"})
+assert-css: ("//*[@class='result-name']/*[text()='test_docs::']", {"color": "rgb(0, 0, 0)"})