Add tests for input.ime.* APIs.

chrome/browser/ui/views/ime/input_ime_apitest_nonchromeos.cc

 // Copyright 2016 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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
+#include "chrome/browser/ui/input_method/input_method_engine.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/common/chrome_switches.h"
+#include "extensions/test/extension_test_message_listener.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/ime/dummy_text_input_client.h"
+#include "ui/base/ime/ime_bridge.h"
 #include "ui/base/ime/input_method.h"
+#include "ui/base/ime/mock_ime_input_context_handler.h"
 
 namespace extensions {
 
 class InputImeApiTest : public ExtensionApiTest {
  public:
   InputImeApiTest() {}
 
+  // extensions::ExtensionApiTest
+  void SetUpOnMainThread() override;
+
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kEnableInputImeAPI);
   }
 
+  ui::InputMethod* input_method;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(InputImeApiTest);
 };
 
+void InputImeApiTest::SetUpOnMainThread() {
+  BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
+  input_method = browser_view->GetNativeWindow()->GetHost()->GetInputMethod();
+}
+
 IN_PROC_BROWSER_TEST_F(InputImeApiTest, CreateWindowTest) {
   // Manipulates the focused text input client because the follow cursor
   // window requires the text input focus.
-  BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
-  ui::InputMethod* input_method =
-      browser_view->GetNativeWindow()->GetHost()->GetInputMethod();
   scoped_ptr<ui::DummyTextInputClient> client(
       new ui::DummyTextInputClient(ui::TEXT_INPUT_TYPE_TEXT));
   input_method->SetFocusedTextInputClient(client.get());
 
   ASSERT_TRUE(RunExtensionTest("input_ime_nonchromeos")) << message_;
-
   input_method->DetachTextInputClient(client.get());
 }
 
+IN_PROC_BROWSER_TEST_F(InputImeApiTest, FocusBlurTest) {

[Shu Chen, 2016/03/11 01:47:25]

Please combine all the tests as a single api test.

The test cases can be distinguish in the JS.

[Azure Wei, 2016/03/16 03:07:24]

Test for setComposition/onCompositionBoundsChange is a little hard to be
combined with others. So, there's still two tests remaining. Is that OK?

+  ExtensionTestMessageListener focus_listener("get_focus_event", false);
+  ExtensionTestMessageListener blur_listener("get_blur_event", false);
+  scoped_ptr<ui::DummyTextInputClient> client1(
+      new ui::DummyTextInputClient(ui::TEXT_INPUT_TYPE_TEXT));
+  scoped_ptr<ui::DummyTextInputClient> client2(
+      new ui::DummyTextInputClient(ui::TEXT_INPUT_TYPE_TEXT));
+  input_method->SetFocusedTextInputClient(client1.get());
+
+  ASSERT_TRUE(RunExtensionTest("input_ime_nonchromeos")) << message_;
+
+  ASSERT_TRUE(focus_listener.WaitUntilSatisfied()) << message_;
+
+  // Focus to the second text input client.
+  input_method->SetFocusedTextInputClient(client2.get());
+  ASSERT_TRUE(blur_listener.WaitUntilSatisfied()) << message_;
+}
+
+IN_PROC_BROWSER_TEST_F(InputImeApiTest, CommitTextAndSetCompositionTest) {
+  scoped_ptr<ui::MockIMEInputContextHandler> mock_input_context(
+      new ui::MockIMEInputContextHandler());
+  ui::IMEBridge::Get()->SetInputContextHandler(mock_input_context.get());
+
+  ASSERT_TRUE(RunExtensionTest("input_ime_nonchromeos")) << message_;
+
+  // Test input.ime.commitText API.
+  ASSERT_EQ(mock_input_context->commit_text_call_count(), 1);
+  ASSERT_EQ(mock_input_context->last_commit_text(), "test_commit_text");
+
+  // Test input.ime.setComposition API.
+  ASSERT_EQ(mock_input_context->update_preedit_text_call_count(), 1);
+  ui::MockIMEInputContextHandler::UpdateCompositionTextArg set_composition_arg =
+      mock_input_context->last_update_composition_arg();
+  ASSERT_EQ(set_composition_arg.composition_text.text,
+            base::UTF8ToUTF16("test_composition_text"));
+  gfx::Range selection(2, 2);
+  ASSERT_EQ(set_composition_arg.composition_text.selection, selection);
+  ASSERT_EQ(set_composition_arg.cursor_pos, 2U);
+  ASSERT_TRUE(set_composition_arg.is_visible);
+}
+
+IN_PROC_BROWSER_TEST_F(InputImeApiTest, CompositionBoundsChangeTest) {
+  ASSERT_TRUE(RunExtensionTest("input_ime_nonchromeos")) << message_;
+}
+
 }  // namespace extensions