import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/modules/tests/browser/browser_PageMetadata.js

@@ -0,0 +1,73 @@
+/**
+ * Tests PageMetadata.jsm, which extracts metadata and microdata from a
+ * document.
+ */
+
+var {PageMetadata} = Cu.import("resource://gre/modules/PageMetadata.jsm", {});
+
+var rootURL = "http://example.com/browser/toolkit/modules/tests/browser/";
+
+function promiseDocument(fileName) {
+  let url = rootURL + fileName;
+
+  return new Promise((resolve, reject) => {
+    let xhr = new XMLHttpRequest();
+    xhr.onload = () => resolve(xhr.responseXML);
+    xhr.onerror = () => reject(new Error("Error loading document"));
+    xhr.open("GET", url);
+    xhr.responseType = "document";
+    xhr.send();
+  });
+}
+
+/**
+ * Load a simple document.
+ */
+add_task(function* simpleDoc() {
+  let fileName = "metadata_simple.html";
+  info(`Loading a simple page, ${fileName}`);
+
+  let doc = yield promiseDocument(fileName);
+  Assert.notEqual(doc, null,
+                  "Should have a document to analyse");
+
+  let data = PageMetadata.getData(doc);
+  Assert.notEqual(data, null,
+                  "Should have non-null result");
+  Assert.equal(data.url, rootURL + fileName,
+               "Should have expected url property");
+  Assert.equal(data.title, "Test Title",
+               "Should have expected title property");
+  Assert.equal(data.description, "A very simple test page",
+               "Should have expected title property");
+});
+
+add_task(function* titlesDoc() {
+  let fileName = "metadata_titles.html";
+  info(`Loading titles page, ${fileName}`);
+
+  let doc = yield promiseDocument(fileName);
+  Assert.notEqual(doc, null,
+                  "Should have a document to analyse");
+
+  let data = PageMetadata.getData(doc);
+  Assert.notEqual(data, null,
+                  "Should have non-null result");
+  Assert.equal(data.title, "Test Titles",
+               "Should use the page title, not the open graph title");
+});
+
+add_task(function* titlesFallbackDoc() {
+  let fileName = "metadata_titles_fallback.html";
+  info(`Loading titles page, ${fileName}`);
+
+  let doc = yield promiseDocument(fileName);
+  Assert.notEqual(doc, null,
+                  "Should have a document to analyse");
+
+  let data = PageMetadata.getData(doc);
+  Assert.notEqual(data, null,
+                  "Should have non-null result");
+  Assert.equal(data.title, "Title",
+               "Should use the open graph title");
+});