Add support for Schema.org/Recipe

javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java

Index: javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java
diff --git a/javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java b/javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java
index eca7267b06f30ec5483a2f76055f25ad11d46e5b..6d10fc9f0fe84a79d19335a1a605040455e279d7 100644
--- a/javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java
+++ b/javatests/org/chromium/distiller/SchemaOrgParserAccessorTest.java
@@ -9,19 +9,42 @@ import com.google.gwt.dom.client.Element;
 
 public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
 
+    private static final String ITEM_TYPE = "itemscope itemtype=\"" +
+            "http://schema.org/";
+    private static final String ITEM_TYPE_ARTICLE = ITEM_TYPE +
+            "Article\"";
+    private static final String ITEM_TYPE_PERSON = ITEM_TYPE +
+            "Person\"";
+    private static final String ITEM_TYPE_RECIPE = ITEM_TYPE +
+            "Recipe\"";
+    private static final String ITEM_TYPE_MOVIE = ITEM_TYPE +
+            "Movie\"";
+    private static final String ITEM_TYPE_IMAGE_OBJECT = ITEM_TYPE +
+            "ImageObject\"";
+    private static final String ITEM_TYPE_ORGANIZATION = ITEM_TYPE +
+            "Organization\"";
+    private static final String ITEM_TYPE_AGGREGATE_RATING =
+            ITEM_TYPE + "AggregateRating\"";
+    private static final String RECIPE_DESCRIPTION =
+            "Testing RECIPE with required recipe schema.org attributes";
+    private static final String RECIPE_URL =
+            "http://dummy/test_article_with_embedded_items.html";
+    private static final String RECIPE_IMAGE_URL =
+            "http://dummy/test_article_with_embedded_items.jpeg";
+
     public void testImageWithEmbeddedPublisher() {
         String expectedUrl = "http://dummy/test_image_with_embedded_item.html";
         String expectedFormat = "jpeg";
         String expectedCaption = "A test for IMAGE with embedded publisher";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/ImageObject\">" +
+            "<div id=\"1\" " + ITEM_TYPE_IMAGE_OBJECT + ">" +
                 "<h1 itemprop=\"headline\">Testcase for IMAGE" +
                 "</h1>" +
                 "<h2 itemprop=\"description\">Testing IMAGE with embedded publisher" +
                 "</h2>" +
                 "<a itemprop=\"contentUrl\" href=\"" + expectedUrl + "\">test results" +
                 "</a>" +
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Organization\"" +
+                "<div id=\"2\"" + ITEM_TYPE_ORGANIZATION + "" +
                     " itemprop=\"publisher\">Publisher: " +
                     "<span itemprop=\"name\">Whatever Image Incorporated" +
                     "</span>" +
@@ -74,7 +97,7 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         String expectedFormat2 = "gif";
         String expectedCaption2 = "A test for 2nd IMAGE";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/ImageObject\">" +
+            "<div id=\"1\" " + ITEM_TYPE_IMAGE_OBJECT + ">" +
                 "<h1 itemprop=\"headline\">Testcase for 1st IMAGE" +
                 "</h1>" +
                 "<h2 itemprop=\"description\">Testing 1st IMAGE" +
@@ -97,7 +120,7 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
                 "<meta itemprop=\"width\" content=\"400\">" +
                 "<meta itemprop=\"height\" content=\"300\">" +
             "</div>" +
-            "<div id=\"4\" itemscope itemtype=\"http://schema.org/ImageObject\">" +
+            "<div id=\"4\" " + ITEM_TYPE_IMAGE_OBJECT + ">" +
                 "<h3 itemprop=\"headline\">Testcase for 2nd IMAGE" +
                 "</h3>" +
                 "<h4 itemprop=\"description\">Testing 2nd IMAGE" +
@@ -160,8 +183,6 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
     public void testArticleWithEmbeddedAuthorAndPublisher() {
         String expectedTitle = "Testcase for ARTICLE";
         String expectedDescription = "Testing ARTICLE with embedded author and publisher";
-        String expectedUrl = "http://dummy/test_article_with_embedded_items.html";
-        String expectedImage = "http://dummy/test_article_with_embedded_items.jpeg";
         String expectedAuthor = "Whoever authored";
         String expectedPublisher = "Whatever Article Incorporated";
         String expectedDatePublished = "April 15, 2014";
@@ -170,20 +191,20 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         String expectedCopyrightHolder = "Whoever Article Copyrighted";
         String expectedSection = "Romance thriller";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Article\">" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
                 "<h1 itemprop=\"headline\">" + expectedTitle +
                 "</h1>" +
                 "<h2 itemprop=\"description\">" + expectedDescription +
                 "</h2>" +
-                "<a itemprop=\"url\" href=\"" + expectedUrl + "\">test results" +
+                "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">test results" +
                 "</a>" +
-                "<img itemprop=\"image\" src=\"" + expectedImage + "\">" +
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Person\"" +
+                "<img itemprop=\"image\" src=\"" + RECIPE_IMAGE_URL + "\">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
                     " itemprop=\"author\">Author: " +
                     "<span itemprop=\"name\">" + expectedAuthor +
                     "</span>" +
                 "</div>" +
-                "<div id=\"3\" itemscope itemtype=\"http://schema.org/Organization\"" +
+                "<div id=\"3\"" + ITEM_TYPE_ORGANIZATION + "" +
                     " itemprop=\"publisher\">Publisher: " +
                     "<span itemprop=\"name\">" + expectedPublisher +
                     "</span>" +
@@ -209,14 +230,14 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         assertEquals("Article", parser.getType());
         assertEquals(expectedTitle, parser.getTitle());
         assertEquals(expectedDescription, parser.getDescription());
-        assertEquals(expectedUrl, parser.getUrl());
+        assertEquals(RECIPE_URL, parser.getUrl());
         assertEquals(expectedAuthor, parser.getAuthor());
         assertEquals(expectedPublisher, parser.getPublisher());
         assertEquals( "Copyright " + expectedCopyrightYear + " " + expectedCopyrightHolder,
                 parser.getCopyright());
         MarkupParser.Image[] images = parser.getImages();
         assertEquals(1, images.length);
-        assertEquals(expectedImage, images[0].url);
+        assertEquals(RECIPE_IMAGE_URL, images[0].url);
         MarkupParser.Article article = parser.getArticle();
         assertEquals(expectedDatePublished, article.publishedTime);
         assertEquals(expectedTimeModified, article.modifiedTime);
@@ -237,7 +258,7 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         String expectedFormat2 = "jpeg";
         String expectedCaption2 = "A test for emedded IMAGE in ARTICLE";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/ImageObject\">" +
+            "<div id=\"1\" " + ITEM_TYPE_IMAGE_OBJECT + ">" +
                 "<span itemprop=\"headline\">Title should be ignored" +
                 "</span>" +
                 "<span itemprop=\"description\">Testing top-level IMAGE" +
@@ -254,7 +275,7 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
                 "<meta itemprop=\"width\" content=\"1000\">" +
                 "<meta itemprop=\"height\" content=\"600\">" +
             "</div>" +
-            "<div id=\"2\" itemscope itemtype=\"http://schema.org/Article\">" +
+            "<div id=\"2\" " + ITEM_TYPE_ARTICLE + ">" +
                 "<span itemprop=\"headline\">" + expectedTitle +
                 "</span>" +
                 "<span itemprop=\"description\">" + expectedDescription +
@@ -262,7 +283,7 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
                 "<a itemprop=\"url\" href=\"" + expectedUrl + "\">test results" +
                 "</a>" +
                 "<img itemprop=\"image\" src=\"http://dummy/should_be_ignored_image.jpeg\">" +
-                "<div id=\"3\" itemscope itemtype=\"http://schema.org/ImageObject\"" +
+                "<div id=\"3\" " + ITEM_TYPE_IMAGE_OBJECT + "" +
                     " itemprop=\"associatedMedia\">" +
                     "<a itemprop=\"url\" href=\"" + expectedImage2 + "\">associated image" +
                     "</a>" +
@@ -326,18 +347,18 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         String expectedTitle = "Testcase for Supported With Unsupported Itemprop";
         String expectedSection = "Testing";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Article\">" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
                 "<span itemprop=\"headline\">" + expectedTitle +
                 "</span>" +
                 "<span itemprop=\"articleSection\">" + expectedSection +
                 "</span>" +
                 // Add unsupported AggregateRating to supported Article as itemprop.
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/AggregateRating\"" +
+                "<div id=\"2\" " + ITEM_TYPE_AGGREGATE_RATING + "" +
                     " itemprop=\"aggregateRating\">Ratings: " +
                     "<span itemprop=\"ratingValue\">9.9" +
                     "</span>" +
                     // Add supported Person to unsupported AggregateRating as itemprop.
-                    "<div id=\"3\" itemscope itemtype=\"http://schema.org/Person\"" +
+                    "<div id=\"3\" " + ITEM_TYPE_PERSON +
                         " itemprop=\"author\">Author: " +
                         "<span itemprop=\"name\">Whoever authored" +
                         "</span>" +
@@ -367,11 +388,11 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
 
     public void testUnsupportedWithSupportedItemprop() {
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Movie\">" +
+            "<div id=\"1\" " + ITEM_TYPE_MOVIE + ">" +
                 "<span itemprop=\"headline\">Testcase for Unsupported With Supported Itemprop" +
                 "</span>" +
                 // Add supported Person to unsupported Movie as itemprop.
-                "<div id=\"3\" itemscope itemtype=\"http://schema.org/Person\"" +
+                "<div id=\"3\" " + ITEM_TYPE_PERSON +
                     " itemprop=\"publisher\">Publisher: " +
                     "<span itemprop=\"name\">Whoever published" +
                     "</span>" +
@@ -396,30 +417,28 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
     public void testUnsupportedWithNestedSupported() {
         String expectedTitle = "Testcase for ARTICLE nested in Unsupported Type";
         String expectedDescription = "Testing ARTICLE that is nested within unsupported type";
-        String expectedUrl = "http://dummy/test_article_with_embedded_items.html";
-        String expectedImage = "http://dummy/test_article_with_embedded_items.jpeg";
         String expectedAuthor = "Whoever authored";
         String expectedPublisher = "Whatever Article Incorporated";
         String expectedDatePublished = "April 15, 2014";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Movie\">" +
+            "<div id=\"1\" " + ITEM_TYPE_MOVIE + ">" +
                 "<span itemprop=\"headline\">Testcase for Unsupported With Supported Itemprop" +
                 "</span>" +
                 // Add supported Article to unsupported Movie as a non-itemprop.
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Article\">" +
+                "<div id=\"2\" " + ITEM_TYPE_ARTICLE + ">" +
                     "<span itemprop=\"headline\">" + expectedTitle +
                     "</span>" +
                     "<span itemprop=\"description\">" + expectedDescription +
                     "</span>" +
-                    "<a itemprop=\"url\" href=\"" + expectedUrl + "\">test results" +
+                    "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">test results" +
                     "</a>" +
-                    "<img itemprop=\"image\" src=\"" + expectedImage + "\">" +
-                    "<div id=\"3\" itemscope itemtype=\"http://schema.org/Person\"" +
+                    "<img itemprop=\"image\" src=\"" + RECIPE_IMAGE_URL + "\">" +
+                    "<div id=\"3\" " + ITEM_TYPE_PERSON +
                         " itemprop=\"author\">Author: " +
                         "<span itemprop=\"name\">" + expectedAuthor +
                         "</span>" +
                     "</div>" +
-                    "<div id=\"4\" itemscope itemtype=\"http://schema.org/Organization\"" +
+                    "<div id=\"4\"" + ITEM_TYPE_ORGANIZATION + "" +
                         " itemprop=\"publisher\">Publisher: " +
                         "<span itemprop=\"name\">" + expectedPublisher +
                         "</span>" +
@@ -436,13 +455,13 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         assertEquals("Article", parser.getType());
         assertEquals(expectedTitle, parser.getTitle());
         assertEquals(expectedDescription, parser.getDescription());
-        assertEquals(expectedUrl, parser.getUrl());
+        assertEquals(RECIPE_URL, parser.getUrl());
         assertEquals(expectedAuthor, parser.getAuthor());
         assertEquals(expectedPublisher, parser.getPublisher());
         assertEquals("", parser.getCopyright());
         MarkupParser.Image[] images = parser.getImages();
         assertEquals(1, images.length);
-        assertEquals(expectedImage, images[0].url);
+        assertEquals(RECIPE_IMAGE_URL, images[0].url);
         MarkupParser.Article article = parser.getArticle();
         assertEquals(expectedDatePublished, article.publishedTime);
         assertEquals("", article.expirationTime);
@@ -451,12 +470,12 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
     }
 
     public void testSameItempropDifferentValues() {
-        String expectedAuthor = "Author 1";
+        String expectedAuthor = "Author 1, Author 2";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Article\">" +
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Person\"" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
                     " itemprop=\"author\">Authors: " +
-                    "<span itemprop=\"name\">" + expectedAuthor +
+                    "<span itemprop=\"name\">Author 1" +
                     "</span>" +
                     "<span itemprop=\"name\">Author 2" +
                     "</span>" +
@@ -478,8 +497,8 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
     public void testItempropWithMultiProperties() {
         String expectedPerson = "Person foo";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Article\">" +
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Person\"" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
                     " itemprop=\"author publisher\">" +
                     "<span itemprop=\"name\">" + expectedPerson +
                     "</span>" +
@@ -503,8 +522,8 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         // Test that "creator" property is used when "author" property doens't exist.
         String expectedCreator = "Whoever created";
         String htmlStr =
-            "<div id=\"1\" itemscope itemtype=\"http://schema.org/Article\">" +
-                "<div id=\"2\" itemscope itemtype=\"http://schema.org/Person\"" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
                     " itemprop=\"author\">Creator: " +
                     "<span itemprop=\"name\">" + expectedCreator +
                     "</span>" +
@@ -541,6 +560,234 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
         link.removeFromParent();
     }
 
+    public void testSingleRecipe() {
+        String htmlStr =
+            "<div id=\"1\" " + ITEM_TYPE_RECIPE + ">" +
+                "<meta http-equiv=\"Content-Language\" " +
+                    "content=\"en_US\">" +
+                "<h1 itemprop=\"name\">Bat Rice Recipe</h1>" +
+                "<h2 itemprop=\"description\">" +
+                    RECIPE_DESCRIPTION + "</h2>" +
+                "<a itemprop=\"url\" " +
+                    "href=\"" + RECIPE_URL + "\">" +
+                    "test results" + "</a>" +
+                "<img itemprop=\"image\" " +
+                    "src=\"" + RECIPE_IMAGE_URL + "\" />" +
+                "<div itemprop=\"author\">Whoever authored</div>" +
+                "<div itemprop=\"recipeYield\" content=\"4\">" +
+                    "4 servings</div>" +
+                "<time itemprop=\"prepTime\" datetime=\"PT15M\">" +
+                    "15 Minutes" + "</time>" +
+                "<time itemprop=\"cookTime\" datetime=\"PT45M\">" +
+                    "45 Minutes" + "</time>" +
+                "<time itemprop=\"totalTime\" datetime=\"PT9H\">" +
+                    "9 Hours</time>" +
+                "<span itemprop=\"ingredients\">4 bats</span>" +
+                "<span itemprop=\"ingredients\">1/4 milk</span>" +
+                "<span itemprop=\"recipeInstructions\">" +
+                    "Mix everything and wait for cook</span>" +
+            "</div>";
+
+        Element rootDiv = TestUtil.createDiv(0);
+        rootDiv.setInnerHTML(htmlStr);
+        mBody.appendChild(rootDiv);
+        SchemaOrgParserAccessor parser = new SchemaOrgParserAccessor(mRoot);
+        String result = parser.getStructuredData();
+
+        String expected =
+            "<img src='" + RECIPE_IMAGE_URL + "' />" +
+            "<p>Author: Whoever authored</p><p>Description: " +
+                RECIPE_DESCRIPTION + "</p>" +
+            "<p>Serves: 4 servings</p>" +
+            "<p>Prep time: 15 minute(s)</p>" +
+            "<p>Cook time: 45 minute(s)</p>" +
+            "<p>Total time: 9 hour(s)</p>" +
+            "Ingredients: <ul><li>4 bats</li>" +
+            "<li>1/4 milk</li>" +
+            "</ul><p>Instructions: <br />" +
+                "Mix everything and wait for cook</p>";
+        assertEquals(expected, result);
+    }
+
+    public void testSingleRecipeWithEmbeddedPerson() {
+        String htmlStr =
+            "<div id=\"1\" " + ITEM_TYPE_RECIPE + ">" +
+                "<h1 itemprop=\"name\">Bat Rice Recipe</h1>" +
+                "<h2 itemprop=\"description\">" +
+                    RECIPE_DESCRIPTION + "</h2>" +
+                "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">" +
+                    "test results" + "</a>" +
+                "<img itemprop=\"image\" " +
+                    "src=\"" + RECIPE_IMAGE_URL + "\" />" +
+                "<span itemprop=\"author\" " + ITEM_TYPE_PERSON + ">" +
+                    "<span itemprop=\"givenName\">Guest</span>" +
+                    "<span itemprop=\"familyName\">Smith</span>" +
+                "</span>" +
+                "<div itemprop=\"recipeYield\" content=\"4\">" +
+                    "4 servings</div>" +
+                "<time itemprop=\"prepTime\" datetime=\"PT15M\">1" +
+                    "5 Minutes" + "</time>" +
+                "<time itemprop=\"cookTime\" datetime=\"PT45M\">" +
+                    "45 Minutes" + "</time>" +
+                "<time itemprop=\"totalTime\" datetime=\"PT9H\">" +
+                    "9 Hours</time>" +
+                "<span itemprop=\"ingredients\">4 bats</span>" +
+                "<span itemprop=\"ingredients\">1/4 milk</span>" +
+                "<span itemprop=\"recipeInstructions\">" +
+                    "Mix everything and wait for cook</span>" +
+            "</div>";
+
+        Element rootDiv = TestUtil.createDiv(0);
+        rootDiv.setInnerHTML(htmlStr);
+        mRoot.setAttribute("lang", "en");
+        mBody.appendChild(rootDiv);
+        SchemaOrgParserAccessor parser = new SchemaOrgParserAccessor(mRoot);
+        String result = parser.getStructuredData();
+
+        String expected =
+            "<img src='" + RECIPE_IMAGE_URL + "' />" +
+            "<p>Author: <span>Guest Smith</span></p>" +
+            "<p>Description: " +
+                RECIPE_DESCRIPTION  + "</p>" +
+            "<p>Serves: 4 servings</p>" +
+            "<p>Prep time: 15 minute(s)</p>" +
+            "<p>Cook time: 45 minute(s)</p>" +
+            "<p>Total time: 9 hour(s)</p>" +
+            "Ingredients: <ul><li>4 bats</li>" +
+            "<li>1/4 milk</li>" +
+            "</ul><p>Instructions: <br />" +
+                    "Mix everything and wait for cook</p>";
+        assertEquals(expected, result);
+    }
+
+    public void testMoreThanOneSchemaOrg() {
+        String htmlStr =
+            "<div id=\"1\" " + ITEM_TYPE_RECIPE + ">" +
+                "<h1 itemprop=\"name\">Bat Rice Recipe</h1>" +
+                "<meta name=\"Language\" " +
+                    "content=\"en_US\">" +
+                "<h2 itemprop=\"description\">" +
+                    RECIPE_DESCRIPTION + "</h2>" +
+                "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">" +
+                    "test results" + "</a>" +
+                "<img itemprop=\"image\" src=\"" +
+                    RECIPE_IMAGE_URL + "\" />" +
+                "<div itemprop=\"author\">Whoever authored</div>" +
+                "<div itemprop=\"recipeYield\" content=\"4\">" +
+                    "4 servings</div>" +
+                "<time itemprop=\"prepTime\" datetime=\"PT15M\">" +
+                    "15 Minutes" + "</time>" +
+                "<time itemprop=\"cookTime\" datetime=\"PT45M\">" +
+                    "45 Minutes" + "</time>" +
+                "<time itemprop=\"totalTime\" datetime=\"PT9H\">" +
+                    "9 Hours</time>" +
+                "<span itemprop=\"ingredients\">4 bats</span>" +
+                "<span itemprop=\"ingredients\">1/4 milk</span>" +
+                "<span itemprop=\"recipeInstructions\">" +
+                    "Mix everything and wait for cook</span>" +
+            "</div>" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
+                    "itemprop=\"author\">Creator: " +
+                    "<span itemprop=\"name\"> User </span>" +
+                "</div>" +
+            "</div>";
+
+        Element rootDiv = TestUtil.createDiv(0);
+        rootDiv.setInnerHTML(htmlStr);
+        mBody.appendChild(rootDiv);
+        SchemaOrgParserAccessor parser = new SchemaOrgParserAccessor(mRoot);
+        String result = parser.getStructuredData();
+
+        assertEquals("", result);
+    }
+
+    public void testNonEnglishPageSchemaOrgSupport() {
+        String htmlStr =
+            "<div id=\"1\" " + ITEM_TYPE_RECIPE + ">" +
+                "<meta itemprop=\"mainEntityOfPage\" " +
+                    "content=\"true\">" +
+                "<h1 itemprop=\"name\">Bat Rice Recipe</h1>" +
+                "<h2 itemprop=\"description\">" +
+                    RECIPE_DESCRIPTION + "</h2>" +
+                "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">" +
+                    "test results" + "</a>" +
+                "<img itemprop=\"image\" src=\"" +
+                    RECIPE_IMAGE_URL + "\" />" +
+                "<span itemprop=\"recipeInstructions\">" +
+                    "Mix everything and wait for cook</span>" +
+            "</div>" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
+                    "itemprop=\"author\">Creator: " +
+                    "<span itemprop=\"name\"> User </span>" +
+                "</div>" +
+            "</div>";
+
+        Element rootDiv = TestUtil.createDiv(0);
+        rootDiv.setInnerHTML(htmlStr);
+        mBody.appendChild(rootDiv);
+        SchemaOrgParserAccessor parser = new SchemaOrgParserAccessor(mRoot);
+        String result = parser.getStructuredData();
+        assertEquals("", result);
+    }
+
+    public void testMultipleSchemaOrgWithMainEntity() {
+        String htmlStr =
+            "<div id=\"1\" " + ITEM_TYPE_RECIPE + ">" +
+                "<meta http-equiv=\"Content-Language\" " +
+                    "content=\"en_US\">" +
+                "<meta itemprop=\"mainEntityOfPage\" " +
+                    "content=\"true\">" +
+                "<h1 itemprop=\"name\">Bat Rice Recipe</h1>" +
+                "<h2 itemprop=\"description\">" +
+                    RECIPE_DESCRIPTION + "</h2>" +
+                "<a itemprop=\"url\" href=\"" + RECIPE_URL + "\">" +
+                    "test results" + "</a>" +
+                "<img itemprop=\"image\" src=\"" +
+                    RECIPE_IMAGE_URL + "\" />" +
+                "<div itemprop=\"author\">Whoever authored</div>" +
+                "<div itemprop=\"recipeYield\" content=\"4\">" +
+                    "4 servings</div>" +
+                "<time itemprop=\"prepTime\" datetime=\"PT15M\">" +
+                    "15 Minutes" + "</time>" +
+                "<time itemprop=\"cookTime\" datetime=\"PT45M\">" +
+                    "45 Minutes" + "</time>" +
+                "<time itemprop=\"totalTime\" datetime=\"PT9H\">" +
+                    "9 Hours</time>" +
+                "<span itemprop=\"ingredients\">4 bats</span>" +
+                "<span itemprop=\"ingredients\">1/4 milk</span>" +
+                "<span itemprop=\"recipeInstructions\">" +
+                    "Mix everything and wait for cook</span>" +
+            "</div>" +
+            "<div id=\"1\" " + ITEM_TYPE_ARTICLE + ">" +
+                "<div id=\"2\" " + ITEM_TYPE_PERSON +
+                    "itemprop=\"author\">Creator: " +
+                    "<span itemprop=\"name\"> User </span>" +
+                "</div>" +
+            "</div>";
+
+        Element rootDiv = TestUtil.createDiv(0);
+        rootDiv.setInnerHTML(htmlStr);
+        mBody.appendChild(rootDiv);
+        SchemaOrgParserAccessor parser = new SchemaOrgParserAccessor(mRoot);
+        String result = parser.getStructuredData();
+
+        String expected =
+            "<img src='" + RECIPE_IMAGE_URL + "' />" +
+                "<p>Author: Whoever authored</p><p>Description: " +
+                    RECIPE_DESCRIPTION + "</p>" +
+                "<p>Serves: 4 servings</p>" +
+                "<p>Prep time: 15 minute(s)</p>" +
+                "<p>Cook time: 45 minute(s)</p>" +
+                "<p>Total time: 9 hour(s)</p>" +
+                "Ingredients: <ul><li>4 bats</li>" +
+                "<li>1/4 milk</li>" +
+                "</ul><p>Instructions: <br />" +
+                    "Mix everything and wait for cook</p>";
+        assertEquals(expected, result);
+    }
+
     public void testGetTitleWhenTheMainArticleDoesntHaveHeadline() {
         String expectedTitle = "This is a headline";
         String elements =
@@ -609,4 +856,4 @@ public class SchemaOrgParserAccessorTest extends DomDistillerJsTestCase {
     private void setItemProp(Element e, String name) {
         e.setAttribute("itemprop", name);
     }
-}
+}