1 files changed, 82 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_add-rule-then-property-edit-selector.js b/devtools/client/inspector/rules/test/browser_rules_add-rule-then-property-edit-selector.js
new file mode 100644
index 0000000000..e9647f8351
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+++ b/devtools/client/inspector/rules/test/browser_rules_add-rule-then-property-edit-selector.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests the behaviour of adding a new rule to the rule view, adding a new
+// property and editing the selector.
+
+const TEST_URI = `
+  <style type="text/css">
+    #testid {
+      text-align: center;
+    }
+  </style>
+  <div id="testid">Styled Node</div>
+  <span>This is a span</span>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+  await selectNode("#testid", inspector);
+
+  await addNewRuleAndDismissEditor(inspector, view, "#testid", 1);
+
+  info("Adding a new property to the new rule");
+  await testAddingProperty(view, 1);
+
+  info("Editing existing selector field");
+  await testEditSelector(view, "span");
+
+  info("Selecting the modified element");
+  await selectNode("span", inspector);
+
+  info("Check new rule and property exist in the modified element");
+  await checkModifiedElement(view, "span", 1);
+});
+
+function testAddingProperty(view, index) {
+  const ruleEditor = getRuleViewRuleEditor(view, index);
+  ruleEditor.addProperty("font-weight", "bold", "", true);
+  const textProps = ruleEditor.rule.textProps;
+  const lastRule = textProps[textProps.length - 1];
+  is(lastRule.name, "font-weight", "Last rule name is font-weight");
+  is(lastRule.value, "bold", "Last rule value is bold");
+}
+
+async function testEditSelector(view, name) {
+  const idRuleEditor = getRuleViewRuleEditor(view, 1);
+
+  info("Focusing an existing selector name in the rule-view");
+  const editor = await focusEditableField(view, idRuleEditor.selectorText);
+
+  is(
+    inplaceEditor(idRuleEditor.selectorText),
+    editor,
+    "The selector editor got focused"
+  );
+
+  info("Entering a new selector name: " + name);
+  editor.input.value = name;
+
+  info("Waiting for rule view to update");
+  const onRuleViewChanged = once(view, "ruleview-changed");
+
+  info("Entering the commit key");
+  EventUtils.synthesizeKey("KEY_Enter");
+  await onRuleViewChanged;
+
+  is(view._elementStyle.rules.length, 3, "Should have 3 rules.");
+}
+
+function checkModifiedElement(view, name, index) {
+  is(view._elementStyle.rules.length, 2, "Should have 2 rules.");
+  ok(getRuleViewRule(view, name), "Rule with " + name + " selector exists.");
+
+  const idRuleEditor = getRuleViewRuleEditor(view, index);
+  const textProps = idRuleEditor.rule.textProps;
+  const lastRule = textProps[textProps.length - 1];
+  is(lastRule.name, "font-weight", "Last rule name is font-weight");
+  is(lastRule.value, "bold", "Last rule value is bold");
+}