1 files changed, 76 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_content_02.js b/devtools/client/inspector/rules/test/browser_rules_content_02.js
new file mode 100644
index 0000000000..5e48169625
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_content_02.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the rule-view content when the inspector gets opened via the page
+// ctx-menu "inspect element"
+
+const CONTENT = `
+  <body style="color:red;">
+    <div style="color:blue;">
+      <p style="color:green;">
+        <span style="color:yellow;">test element</span>
+      </p>
+    </div>
+  </body>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + CONTENT);
+
+  // const commands = await CommandsFactory.forTab(tab);
+  // // Initialize the TargetCommands which require some async stuff to be done
+  // // before being fully ready. This will define the `targetCommand.targetFront` attribute.
+  // await commands.targetCommand.startListening();
+  const inspector = await clickOnInspectMenuItem("span");
+
+  checkRuleViewContent(inspector.getPanel("ruleview").view);
+});
+
+function checkRuleViewContent({ styleDocument }) {
+  info("Making sure the rule-view contains the expected content");
+
+  const headers = [...styleDocument.querySelectorAll(".ruleview-header")];
+  is(headers.length, 3, "There are 3 headers for inherited rules");
+
+  is(
+    headers[0].textContent,
+    STYLE_INSPECTOR_L10N.getFormatStr("rule.inheritedFrom", "p"),
+    "The first header is correct"
+  );
+  is(
+    headers[1].textContent,
+    STYLE_INSPECTOR_L10N.getFormatStr("rule.inheritedFrom", "div"),
+    "The second header is correct"
+  );
+  is(
+    headers[2].textContent,
+    STYLE_INSPECTOR_L10N.getFormatStr("rule.inheritedFrom", "body"),
+    "The third header is correct"
+  );
+
+  const rules = styleDocument.querySelectorAll(".ruleview-rule");
+  is(rules.length, 4, "There are 4 rules in the view");
+
+  for (const rule of rules) {
+    const selector = rule.querySelector(".ruleview-selectorcontainer");
+    is(
+      selector.textContent,
+      STYLE_INSPECTOR_L10N.getStr("rule.sourceElement"),
+      "The rule's selector is correct"
+    );
+
+    const propertyNames = [...rule.querySelectorAll(".ruleview-propertyname")];
+    is(propertyNames.length, 1, "There's only one property name, as expected");
+
+    const propertyValues = [
+      ...rule.querySelectorAll(".ruleview-propertyvalue"),
+    ];
+    is(
+      propertyValues.length,
+      1,
+      "There's only one property value, as expected"
+    );
+  }
+}