content/browser/webui/web_ui_data_source_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/bind.h"
   6 #include "base/memory/ref_counted_memory.h"
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "content/browser/webui/web_ui_data_source_impl.h"
   9 #include "content/public/test/test_browser_thread_bundle.h"
  10 #include "content/test/test_content_client.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 namespace content {
  14 namespace {
  15
  16 const int kDummyStringId = 123;
  17 const int kDummyDefaultResourceId = 456;
  18 const int kDummyResourceId = 789;
  19
  20 const char kDummyString[] = "foo";
  21 const char kDummyDefaultResource[] = "<html>foo</html>";
  22 const char kDummytResource[] = "<html>blah</html>";
  23
  24 class TestClient : public TestContentClient {
  25  public:
  26   TestClient() {}
  27   ~TestClient() override {}
  28
  29   base::string16 GetLocalizedString(int message_id) const override {
  30     if (message_id == kDummyStringId)
  31       return base::UTF8ToUTF16(kDummyString);
  32     return base::string16();
  33
  34   }
  35
  36   base::RefCountedStaticMemory* GetDataResourceBytes(
  37       int resource_id) const override {
  38     base::RefCountedStaticMemory* bytes = NULL;
  39     if (resource_id == kDummyDefaultResourceId) {
  40       bytes = new base::RefCountedStaticMemory(
  41           kDummyDefaultResource, arraysize(kDummyDefaultResource));
  42     } else if (resource_id == kDummyResourceId) {
  43       bytes = new base::RefCountedStaticMemory(
  44           kDummytResource, arraysize(kDummytResource));
  45     }
  46     return bytes;
  47   }
  48 };
  49
  50 }
  51
  52 class WebUIDataSourceTest : public testing::Test {
  53  public:
  54   WebUIDataSourceTest() : result_data_(NULL) {}
  55   ~WebUIDataSourceTest() override {}
  56   WebUIDataSourceImpl* source() { return source_.get(); }
  57
  58   void StartDataRequest(const std::string& path) {
  59      source_->StartDataRequest(
  60         path,
  61         0, 0,
  62         base::Bind(&WebUIDataSourceTest::SendResult,
  63         base::Unretained(this)));
  64   }
  65
  66   std::string GetMimeType(const std::string& path) const {
  67     return source_->GetMimeType(path);
  68   }
  69
  70   scoped_refptr<base::RefCountedMemory> result_data_;
  71
  72  private:
  73   void SetUp() override {
  74     SetContentClient(&client_);
  75     WebUIDataSource* source = WebUIDataSourceImpl::Create("host");
  76     WebUIDataSourceImpl* source_impl = static_cast<WebUIDataSourceImpl*>(
  77         source);
  78     source_impl->disable_set_font_strings_for_testing();
  79     source_ = make_scoped_refptr(source_impl);
  80   }
  81
  82   // Store response for later comparisons.
  83   void SendResult(base::RefCountedMemory* data) {
  84     result_data_ = data;
  85   }
  86
  87   TestBrowserThreadBundle thread_bundle_;
  88   scoped_refptr<WebUIDataSourceImpl> source_;
  89   TestClient client_;
  90 };
  91
  92 TEST_F(WebUIDataSourceTest, EmptyStrings) {
  93   source()->SetJsonPath("strings.js");
  94   StartDataRequest("strings.js");
  95   std::string result(result_data_->front_as<char>(), result_data_->size());
  96   EXPECT_NE(result.find("loadTimeData.data = {"), std::string::npos);
  97   EXPECT_NE(result.find("};"), std::string::npos);
  98 }
  99
 100 TEST_F(WebUIDataSourceTest, SomeStrings) {
 101   source()->SetJsonPath("strings.js");
 102   source()->AddString("planet", base::ASCIIToUTF16("pluto"));
 103   source()->AddLocalizedString("button", kDummyStringId);
 104   StartDataRequest("strings.js");
 105   std::string result(result_data_->front_as<char>(), result_data_->size());
 106   EXPECT_NE(result.find("\"planet\":\"pluto\""), std::string::npos);
 107   EXPECT_NE(result.find("\"button\":\"foo\""), std::string::npos);
 108 }
 109
 110 TEST_F(WebUIDataSourceTest, DefaultResource) {
 111   source()->SetDefaultResource(kDummyDefaultResourceId);
 112   StartDataRequest("foobar" );
 113   std::string result(result_data_->front_as<char>(), result_data_->size());
 114   EXPECT_NE(result.find(kDummyDefaultResource), std::string::npos);
 115   StartDataRequest("strings.js");
 116   result = std::string(result_data_->front_as<char>(), result_data_->size());
 117   EXPECT_NE(result.find(kDummyDefaultResource), std::string::npos);
 118 }
 119
 120 TEST_F(WebUIDataSourceTest, NamedResource) {
 121   source()->SetDefaultResource(kDummyDefaultResourceId);
 122   source()->AddResourcePath("foobar", kDummyResourceId);
 123   StartDataRequest("foobar");
 124   std::string result(result_data_->front_as<char>(), result_data_->size());
 125   EXPECT_NE(result.find(kDummytResource), std::string::npos);
 126   StartDataRequest("strings.js");
 127   result = std::string(result_data_->front_as<char>(), result_data_->size());
 128   EXPECT_NE(result.find(kDummyDefaultResource), std::string::npos);
 129 }
 130
 131 TEST_F(WebUIDataSourceTest, MimeType) {
 132   const char* html = "text/html";
 133   const char* js = "application/javascript";
 134   EXPECT_EQ(GetMimeType(std::string()), html);
 135   EXPECT_EQ(GetMimeType("foo"), html);
 136   EXPECT_EQ(GetMimeType("foo.html"), html);
 137   EXPECT_EQ(GetMimeType(".js"), js);
 138   EXPECT_EQ(GetMimeType("foo.js"), js);
 139   EXPECT_EQ(GetMimeType("js"), html);
 140   EXPECT_EQ(GetMimeType("foojs"), html);
 141   EXPECT_EQ(GetMimeType("foo.jsp"), html);
 142 }
 143
 144 }  // namespace content