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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/clipboard/clipboard.h"
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/mojom/permissions/permission.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_tester.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/core/clipboard/system_clipboard.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/page/focus_controller.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
#include "third_party/blink/renderer/modules/clipboard/clipboard_promise.h"
#include "third_party/blink/renderer/modules/clipboard/mock_clipboard_permission_service.h"
namespace blink {
using ::testing::Invoke;
using ::testing::WithArg;
// This is a helper class which provides utility methods
// for testing the Async Clipboard API.
class ClipboardTest : public PageTestBase {
public:
void SetPageFocus(bool focused) {
GetPage().GetFocusController().SetActive(focused);
GetPage().GetFocusController().SetFocused(focused);
}
void BindMockPermissionService(ExecutionContext* executionContext) {
executionContext->GetBrowserInterfaceBroker().SetBinderForTesting(
mojom::blink::PermissionService::Name_,
WTF::BindRepeating(&MockClipboardPermissionService::BindRequest,
WTF::Unretained(&permission_service_)));
}
void SetSecureOrigin(ExecutionContext* executionContext) {
KURL page_url("https://example.com");
scoped_refptr<SecurityOrigin> page_origin =
SecurityOrigin::Create(page_url);
executionContext->GetSecurityContext().SetSecurityOriginForTesting(nullptr);
executionContext->GetSecurityContext().SetSecurityOrigin(page_origin);
}
void WritePlainTextToClipboard(const String& text, V8TestingScope& scope) {
scope.GetFrame().GetSystemClipboard()->WritePlainText(text);
}
protected:
MockClipboardPermissionService permission_service_;
};
// Creates a ClipboardPromise for reading text from the clipboard and verifies
// that the promise resolves with the text provided to the MockSystemClipboard.
TEST_F(ClipboardTest, ClipboardPromiseReadText) {
V8TestingScope scope;
ExecutionContext* executionContext = GetFrame().DomWindow();
String testing_string = "TestStringForClipboardTesting";
WritePlainTextToClipboard(testing_string, scope);
// Async read clipboard API requires the clipboard read permission.
EXPECT_CALL(permission_service_, RequestPermission)
.WillOnce(WithArg<2>(
Invoke([](mojom::blink::PermissionService::RequestPermissionCallback
callback) {
std::move(callback).Run(mojom::blink::PermissionStatus::GRANTED);
})));
BindMockPermissionService(executionContext);
// Async clipboard API requires a secure origin and page in focus to work.
SetSecureOrigin(executionContext);
SetPageFocus(true);
ScriptPromise<IDLString> promise = ClipboardPromise::CreateForReadText(
executionContext, scope.GetScriptState(), scope.GetExceptionState());
ScriptPromiseTester promise_tester(scope.GetScriptState(), promise);
promise_tester.WaitUntilSettled(); // Runs a nested event loop.
EXPECT_TRUE(promise_tester.IsFulfilled());
String promise_returned_string;
promise_tester.Value().ToString(promise_returned_string);
EXPECT_EQ(promise_returned_string, testing_string);
}
} // namespace blink
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