Add support for distilling arbitrary URLs in DOM Distiller Viewer.

components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc

Index: components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc
diff --git a/components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc b/components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3c4ee7b8c7f8f52507337cb1d189e0692b4a9598
--- /dev/null
+++ b/components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc
@@ -0,0 +1,121 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/dom_distiller/content/dom_distiller_viewer_source.h"
+
+#include "base/callback.h"
+#include "components/dom_distiller/core/article_entry.h"
+#include "components/dom_distiller/core/dom_distiller_service.h"
+#include "components/dom_distiller/core/dom_distiller_store.h"
+#include "components/dom_distiller/core/dom_distiller_test_util.h"
+#include "components/dom_distiller/core/fake_db.h"
+#include "components/dom_distiller/core/fake_distiller.h"
+#include "components/dom_distiller/core/task_tracker.h"
+#include "components/dom_distiller/core/url_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace dom_distiller {
+
+const char kTestScheme[] = "myscheme";
+
+class FakeViewRequestDelegate : public ViewRequestDelegate {
+ public:
+  virtual ~FakeViewRequestDelegate() {}
+  MOCK_METHOD1(OnArticleReady, void(const DistilledArticleProto* proto));
+};
+
+class TestDomDistillerService : public DomDistillerServiceInterface {
+ public:
+  TestDomDistillerService() {}
+  virtual ~TestDomDistillerService() {}
+
+  MOCK_CONST_METHOD0(GetSyncableService, syncer::SyncableService*());
+  MOCK_METHOD2(AddToList,
+               const std::string(const GURL&, const ArticleAvailableCallback&));
+  MOCK_CONST_METHOD0(GetEntries, std::vector<ArticleEntry>());
+  MOCK_METHOD1(AddObserver, void(DomDistillerObserver*));
+  MOCK_METHOD1(RemoveObserver, void(DomDistillerObserver*));
+  MOCK_METHOD0(ViewUrlImpl, ViewerHandle*());
+  virtual scoped_ptr<ViewerHandle> ViewUrl(ViewRequestDelegate*, const GURL&) {
+    return scoped_ptr<ViewerHandle>(ViewUrlImpl());
+  }
+  MOCK_METHOD0(ViewEntryImpl, ViewerHandle*());
+  virtual scoped_ptr<ViewerHandle> ViewEntry(ViewRequestDelegate*,
+                                             const std::string&) {
+    return scoped_ptr<ViewerHandle>(ViewEntryImpl());
+  }
+  MOCK_METHOD0(RemoveEntryImpl, ArticleEntry*());
+  virtual scoped_ptr<ArticleEntry> RemoveEntry(const std::string&) {
+    return scoped_ptr<ArticleEntry>(RemoveEntryImpl());
+  }
+};
+
+class DomDistillerViewerSourceTest : public testing::Test {
+ public:
+  virtual void SetUp() OVERRIDE {
+    service_.reset(new TestDomDistillerService());
+    source_.reset(new DomDistillerViewerSource(service_.get(), kTestScheme));
+  }
+
+ protected:
+  scoped_ptr<ViewerHandle> CreateViewRequest(
+      const std::string& path,
+      ViewRequestDelegate* view_request_delegate) {
+    return source_.get()->CreateViewRequest(path, view_request_delegate);
+  }
+
+  scoped_ptr<TestDomDistillerService> service_;
+  scoped_ptr<DomDistillerViewerSource> source_;
+};
+
+TEST_F(DomDistillerViewerSourceTest, TestMimeType) {
+  EXPECT_EQ("text/css", source_.get()->GetMimeType(kCssPath));
+  EXPECT_EQ("text/html", source_.get()->GetMimeType("anythingelse"));
+}
+
+TEST_F(DomDistillerViewerSourceTest, TestCreatingViewUrlRequest) {
+  scoped_ptr<FakeViewRequestDelegate> view_request_delegate(
+      new FakeViewRequestDelegate());
+  ViewerHandle* viewer_handle(new ViewerHandle(ViewerHandle::CancelCallback()));
+  EXPECT_CALL(*service_.get(), ViewUrlImpl())
+      .WillOnce(testing::Return(viewer_handle));
+  EXPECT_CALL(*service_.get(), ViewEntryImpl()).Times(0);
+  CreateViewRequest(
+      std::string("?") + kUrlKey + "=http%3A%2F%2Fwww.example.com%2F",
+      view_request_delegate.get());
+}
+
+TEST_F(DomDistillerViewerSourceTest, TestCreatingViewEntryRequest) {
+  scoped_ptr<FakeViewRequestDelegate> view_request_delegate(
+      new FakeViewRequestDelegate());
+  ViewerHandle* viewer_handle(new ViewerHandle(ViewerHandle::CancelCallback()));
+  EXPECT_CALL(*service_.get(), ViewEntryImpl())
+      .WillOnce(testing::Return(viewer_handle));
+  EXPECT_CALL(*service_.get(), ViewUrlImpl()).Times(0);
+  CreateViewRequest(std::string("?") + kEntryIdKey + "=abc-def",
+                    view_request_delegate.get());
+}
+
+TEST_F(DomDistillerViewerSourceTest, TestCreatingInvalidViewRequest) {
+  scoped_ptr<FakeViewRequestDelegate> view_request_delegate(
+      new FakeViewRequestDelegate());
+  EXPECT_CALL(*service_.get(), ViewEntryImpl()).Times(0);
+  EXPECT_CALL(*service_.get(), ViewUrlImpl()).Times(0);
+  // Specify none of the required query parameters.
+  CreateViewRequest("?foo=bar", view_request_delegate.get());
+  // Specify both of the required query parameters.
+  CreateViewRequest("?" + std::string(kUrlKey) +
+                        "=http%3A%2F%2Fwww.example.com%2F&" +
+                        std::string(kEntryIdKey) + "=abc-def",
+                    view_request_delegate.get());
+  // Specify an internal Chrome page.
+  CreateViewRequest("?" + std::string(kUrlKey) + "=chrome%3A%2F%2Fsettings%2F",
+                    view_request_delegate.get());
+  // Specify a recursive URL.
+  CreateViewRequest("?" + std::string(kUrlKey) + "=" +
+                        std::string(kTestScheme) + "%3A%2F%2Fabc-def%2F",
+                    view_request_delegate.get());
+}
+
+}  // namespace dom_distiller