1 files changed, 175 insertions, 0 deletions
diff --git a/remote/test/browser/dom/browser_describeNode.js b/remote/test/browser/dom/browser_describeNode.js
new file mode 100644
index 0000000000..931b908dfd
--- /dev/null
+++ b/remote/test/browser/dom/browser_describeNode.js
@@ -0,0 +1,175 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const DOC = toDataURL("<div id='content'><p>foo</p><p>bar</p></div>");
+const DOC_FRAME = toDataURL(`<iframe src="${DOC}"></iframe>`);
+
+add_task(async function objectIdInvalidTypes({ client }) {
+  const { DOM } = client;
+
+  for (const objectId of [null, true, 1, [], {}]) {
+    let errorThrown = "";
+    try {
+      await DOM.describeNode({ objectId });
+    } catch (e) {
+      errorThrown = e.message;
+    }
+    ok(
+      errorThrown.match(/objectId: string value expected/),
+      `Fails with invalid type: ${objectId}`
+    );
+  }
+});
+
+add_task(async function objectIdUnknownValue({ client }) {
+  const { DOM } = client;
+
+  let errorThrown = "";
+  try {
+    await DOM.describeNode({ objectId: "foo" });
+  } catch (e) {
+    errorThrown = e.message;
+  }
+  ok(
+    errorThrown.match(/Could not find object with given id/),
+    "Fails with unknown objectId"
+  );
+});
+
+add_task(async function objectIdIsNotANode({ client }) {
+  const { DOM, Runtime } = client;
+
+  await Runtime.enable();
+  const { result } = await Runtime.evaluate({
+    expression: "[42]",
+  });
+
+  let errorThrown = "";
+  try {
+    await DOM.describeNode({ objectId: result.objectId });
+  } catch (e) {
+    errorThrown = e.message;
+  }
+  ok(
+    errorThrown.match(/Object id doesn't reference a Node/),
+    "Fails if objectId doesn't reference a DOM node"
+  );
+});
+
+add_task(async function objectIdAllProperties({ client }) {
+  const { DOM, Page, Runtime } = client;
+
+  await Page.enable();
+  const { frameId } = await Page.navigate({ url: DOC });
+  await Page.loadEventFired();
+
+  await Runtime.enable();
+  const { result } = await Runtime.evaluate({
+    expression: `document.getElementById('content')`,
+  });
+  const { node } = await DOM.describeNode({
+    objectId: result.objectId,
+  });
+
+  ok(!!node.nodeId, "The node has a node id");
+  ok(!!node.backendNodeId, "The node has a backend node id");
+  is(node.nodeName, "DIV", "Found expected node name");
+  is(node.localName, "div", "Found expected local name");
+  is(node.nodeType, 1, "Found expected node type");
+  is(node.nodeValue, "", "Found expected node value");
+  is(node.childNodeCount, 2, "Expected number of child nodes found");
+  is(node.attributes.length, 2, "Found expected attribute's name and value");
+  is(node.attributes[0], "id", "Found expected attribute name");
+  is(node.attributes[1], "content", "Found expected attribute value");
+  is(node.frameId, frameId, "Found expected frame id");
+});
+
+add_task(async function objectIdNoAttributes({ client }) {
+  const { DOM, Runtime } = client;
+
+  await Runtime.enable();
+  const { result } = await Runtime.evaluate({
+    expression: "document",
+  });
+  const { node } = await DOM.describeNode({
+    objectId: result.objectId,
+  });
+
+  is(node.attributes, undefined, "No attributes returned");
+});
+
+add_task(async function objectIdDiffersForDifferentNodes({ client }) {
+  const { DOM, Runtime } = client;
+
+  await loadURL(DOC);
+
+  await Runtime.enable();
+  const { result: doc } = await Runtime.evaluate({
+    expression: "document",
+  });
+  const { node: node1 } = await DOM.describeNode({
+    objectId: doc.objectId,
+  });
+
+  const { result: body } = await Runtime.evaluate({
+    expression: `document.getElementById('content')`,
+  });
+  const { node: node2 } = await DOM.describeNode({
+    objectId: body.objectId,
+  });
+
+  for (const prop in node1) {
+    if (["nodeValue", "frameId"].includes(prop)) {
+      is(node1[prop], node2[prop], `Values of ${prop} are equal`);
+    } else {
+      isnot(node1[prop], node2[prop], `Values of ${prop} are different`);
+    }
+  }
+});
+
+add_task(async function objectIdDoesNotChangeForTheSameNode({ client }) {
+  const { DOM, Runtime } = client;
+
+  await Runtime.enable();
+  const { result } = await Runtime.evaluate({
+    expression: "document",
+  });
+  const { node: node1 } = await DOM.describeNode({
+    objectId: result.objectId,
+  });
+  const { node: node2 } = await DOM.describeNode({
+    objectId: result.objectId,
+  });
+
+  for (const prop in node1) {
+    is(node1[prop], node2[prop], `Values of ${prop} are equal`);
+  }
+});
+
+add_task(async function frameIdForFrameElement({ client }) {
+  const { DOM, Page, Runtime } = client;
+
+  await Page.enable();
+
+  const frameAttached = Page.frameAttached();
+  await loadURL(DOC_FRAME);
+  const { frameId, parentFrameId } = await frameAttached;
+
+  await Runtime.enable();
+
+  const { result: frameObj } = await Runtime.evaluate({
+    expression: "document.getElementsByTagName('iframe')[0]",
+  });
+  const { node: frame } = await DOM.describeNode({
+    objectId: frameObj.objectId,
+  });
+
+  is(frame.frameId, frameId, "Reported frameId is from the frame itself");
+  isnot(
+    frame.frameId,
+    parentFrameId,
+    "Reported frameId is not the parentFrameId"
+  );
+});