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| 1 // Copyright (c) 2009 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/values.h" | |
| 6 #include "chrome/browser/extensions/extension_message_service.h" | |
| 7 #include "chrome/common/render_messages.h" | |
| 8 #include "chrome/renderer/extensions/event_bindings.h" | |
| 9 #include "chrome/renderer/extensions/renderer_extension_bindings.h" | |
| 10 #include "chrome/test/render_view_test.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 | |
| 13 static void DispatchOnConnect(int source_port_id, const std::string& name, | |
| 14 const std::string& tab_json) { | |
| 15 ListValue args; | |
| 16 args.Set(0, Value::CreateIntegerValue(source_port_id)); | |
| 17 args.Set(1, Value::CreateStringValue(name)); | |
| 18 args.Set(2, Value::CreateStringValue(tab_json)); | |
| 19 args.Set(3, Value::CreateStringValue("")); // extension ID is empty for tests | |
| 20 args.Set(4, Value::CreateStringValue("")); // extension ID is empty for tests | |
| 21 RendererExtensionBindings::Invoke( | |
| 22 ExtensionMessageService::kDispatchOnConnect, args, NULL, false, GURL()); | |
| 23 } | |
| 24 | |
| 25 static void DispatchOnDisconnect(int source_port_id) { | |
| 26 ListValue args; | |
| 27 args.Set(0, Value::CreateIntegerValue(source_port_id)); | |
| 28 RendererExtensionBindings::Invoke( | |
| 29 ExtensionMessageService::kDispatchOnDisconnect, args, NULL, false, | |
| 30 GURL()); | |
| 31 } | |
| 32 | |
| 33 static void DispatchOnMessage(const std::string& message, int source_port_id) { | |
| 34 ListValue args; | |
| 35 args.Set(0, Value::CreateStringValue(message)); | |
| 36 args.Set(1, Value::CreateIntegerValue(source_port_id)); | |
| 37 RendererExtensionBindings::Invoke( | |
| 38 ExtensionMessageService::kDispatchOnMessage, args, NULL, false, GURL()); | |
| 39 } | |
| 40 | |
| 41 // Tests that the bindings for opening a channel to an extension and sending | |
| 42 // and receiving messages through that channel all works. | |
| 43 TEST_F(RenderViewTest, ExtensionMessagesOpenChannel) { | |
| 44 render_thread_.sink().ClearMessages(); | |
| 45 LoadHTML("<body></body>"); | |
| 46 ExecuteJavaScript( | |
| 47 "var port = chrome.extension.connect({name:'testName'});" | |
| 48 "port.onMessage.addListener(doOnMessage);" | |
| 49 "port.postMessage({message: 'content ready'});" | |
| 50 "function doOnMessage(msg, port) {" | |
| 51 " alert('content got: ' + msg.val);" | |
| 52 "}"); | |
| 53 | |
| 54 // Verify that we opened a channel and sent a message through it. | |
| 55 const IPC::Message* open_channel_msg = | |
| 56 render_thread_.sink().GetUniqueMessageMatching( | |
| 57 ViewHostMsg_OpenChannelToExtension::ID); | |
| 58 ASSERT_TRUE(open_channel_msg); | |
| 59 void* iter = IPC::SyncMessage::GetDataIterator(open_channel_msg); | |
| 60 ViewHostMsg_OpenChannelToExtension::SendParam open_params; | |
| 61 ASSERT_TRUE(IPC::ReadParam(open_channel_msg, &iter, &open_params)); | |
| 62 EXPECT_EQ("testName", open_params.d); | |
| 63 | |
| 64 const IPC::Message* post_msg = | |
| 65 render_thread_.sink().GetUniqueMessageMatching( | |
| 66 ViewHostMsg_ExtensionPostMessage::ID); | |
| 67 ASSERT_TRUE(post_msg); | |
| 68 ViewHostMsg_ExtensionPostMessage::Param post_params; | |
| 69 ViewHostMsg_ExtensionPostMessage::Read(post_msg, &post_params); | |
| 70 EXPECT_EQ("{\"message\":\"content ready\"}", post_params.b); | |
| 71 | |
| 72 // Now simulate getting a message back from the other side. | |
| 73 render_thread_.sink().ClearMessages(); | |
| 74 const int kPortId = 0; | |
| 75 DispatchOnMessage("{\"val\": 42}", kPortId); | |
| 76 | |
| 77 // Verify that we got it. | |
| 78 const IPC::Message* alert_msg = | |
| 79 render_thread_.sink().GetUniqueMessageMatching( | |
| 80 ViewHostMsg_RunJavaScriptMessage::ID); | |
| 81 ASSERT_TRUE(alert_msg); | |
| 82 iter = IPC::SyncMessage::GetDataIterator(alert_msg); | |
| 83 ViewHostMsg_RunJavaScriptMessage::SendParam alert_param; | |
| 84 ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); | |
| 85 EXPECT_EQ(L"content got: 42", alert_param.a); | |
| 86 } | |
| 87 | |
| 88 // Tests that the bindings for handling a new channel connection and channel | |
| 89 // closing all works. | |
| 90 TEST_F(RenderViewTest, ExtensionMessagesOnConnect) { | |
| 91 LoadHTML("<body></body>"); | |
| 92 ExecuteJavaScript( | |
| 93 "chrome.extension.onConnect.addListener(function (port) {" | |
| 94 " port.test = 24;" | |
| 95 " port.onMessage.addListener(doOnMessage);" | |
| 96 " port.onDisconnect.addListener(doOnDisconnect);" | |
| 97 " port.postMessage({message: 'onconnect from ' + port.tab.url + " | |
| 98 " ' name ' + port.name});" | |
| 99 "});" | |
| 100 "function doOnMessage(msg, port) {" | |
| 101 " alert('got: ' + msg.val);" | |
| 102 "}" | |
| 103 "function doOnDisconnect(port) {" | |
| 104 " alert('disconnected: ' + port.test);" | |
| 105 "}"); | |
| 106 | |
| 107 render_thread_.sink().ClearMessages(); | |
| 108 | |
| 109 // Simulate a new connection being opened. | |
| 110 const int kPortId = 0; | |
| 111 const std::string kPortName = "testName"; | |
| 112 DispatchOnConnect(kPortId, kPortName, "{\"url\":\"foo://bar\"}"); | |
| 113 | |
| 114 // Verify that we handled the new connection by posting a message. | |
| 115 const IPC::Message* post_msg = | |
| 116 render_thread_.sink().GetUniqueMessageMatching( | |
| 117 ViewHostMsg_ExtensionPostMessage::ID); | |
| 118 ASSERT_TRUE(post_msg); | |
| 119 ViewHostMsg_ExtensionPostMessage::Param post_params; | |
| 120 ViewHostMsg_ExtensionPostMessage::Read(post_msg, &post_params); | |
| 121 std::string expected_msg = | |
| 122 "{\"message\":\"onconnect from foo://bar name " + kPortName + "\"}"; | |
| 123 EXPECT_EQ(expected_msg, post_params.b); | |
| 124 | |
| 125 // Now simulate getting a message back from the channel opener. | |
| 126 render_thread_.sink().ClearMessages(); | |
| 127 DispatchOnMessage("{\"val\": 42}", kPortId); | |
| 128 | |
| 129 // Verify that we got it. | |
| 130 const IPC::Message* alert_msg = | |
| 131 render_thread_.sink().GetUniqueMessageMatching( | |
| 132 ViewHostMsg_RunJavaScriptMessage::ID); | |
| 133 ASSERT_TRUE(alert_msg); | |
| 134 void* iter = IPC::SyncMessage::GetDataIterator(alert_msg); | |
| 135 ViewHostMsg_RunJavaScriptMessage::SendParam alert_param; | |
| 136 ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); | |
| 137 EXPECT_EQ(L"got: 42", alert_param.a); | |
| 138 | |
| 139 // Now simulate the channel closing. | |
| 140 render_thread_.sink().ClearMessages(); | |
| 141 DispatchOnDisconnect(kPortId); | |
| 142 | |
| 143 // Verify that we got it. | |
| 144 alert_msg = | |
| 145 render_thread_.sink().GetUniqueMessageMatching( | |
| 146 ViewHostMsg_RunJavaScriptMessage::ID); | |
| 147 ASSERT_TRUE(alert_msg); | |
| 148 iter = IPC::SyncMessage::GetDataIterator(alert_msg); | |
| 149 ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param)); | |
| 150 EXPECT_EQ(L"disconnected: 24", alert_param.a); | |
| 151 } | |
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