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// Copyright 2020 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 "third_party/blink/renderer/modules/presentation/presentation_connection_callbacks.h"
#include <utility>
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "testing/gmock/include/gmock/gmock.h" // MockFunctionScope
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/presentation/presentation.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_function.h" // MockFunctionScope
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h" // MockFunctionScope
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/modules/presentation/presentation_connection.h"
#include "third_party/blink/renderer/modules/presentation/presentation_request.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h" // MockFunctionScope
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/heap/persistent.h" // MockFunctionScope
#include "third_party/blink/renderer/platform/testing/url_test_helpers.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" // MockFunctionScope
#include "third_party/blink/renderer/platform/wtf/vector.h" // MockFunctionScope
constexpr char kPresentationUrl[] = "https://example.com";
constexpr char kPresentationId[] = "xyzzy";
namespace blink {
using mojom::blink::PresentationConnectionResult;
using mojom::blink::PresentationConnectionResultPtr;
using mojom::blink::PresentationConnectionState;
using mojom::blink::PresentationError;
using mojom::blink::PresentationErrorType;
using mojom::blink::PresentationInfo;
using mojom::blink::PresentationInfoPtr;
namespace {
// TODO(crbug.com/1120218): Consolidate with PaymentRequestMockFunctionScope and
// move to shared folder
class MockFunctionScope {
STACK_ALLOCATED();
public:
explicit MockFunctionScope(ScriptState* script_state)
: script_state_(script_state) {}
~MockFunctionScope() {
v8::MicrotasksScope::PerformCheckpoint(script_state_->GetIsolate());
for (MockFunction* mock_function : mock_functions_)
testing::Mock::VerifyAndClearExpectations(mock_function);
}
v8::Local<v8::Function> ExpectCall() {
mock_functions_.push_back(
MakeGarbageCollected<MockFunction>(script_state_));
EXPECT_CALL(*mock_functions_.back(), Call(testing::_));
return mock_functions_.back()->Bind();
}
v8::Local<v8::Function> ExpectNoCall() {
mock_functions_.push_back(
MakeGarbageCollected<MockFunction>(script_state_));
EXPECT_CALL(*mock_functions_.back(), Call(testing::_)).Times(0);
return mock_functions_.back()->Bind();
}
private:
class MockFunction : public ScriptFunction {
public:
explicit MockFunction(ScriptState* script_state)
: ScriptFunction(script_state) {
ON_CALL(*this, Call(testing::_)).WillByDefault(testing::ReturnArg<0>());
}
v8::Local<v8::Function> Bind() { return BindToV8Function(); }
MOCK_METHOD1(Call, ScriptValue(ScriptValue));
};
ScriptState* script_state_;
Vector<Persistent<MockFunction>> mock_functions_;
};
static PresentationRequest* MakeRequest(V8TestingScope* scope) {
PresentationRequest* request =
PresentationRequest::Create(scope->GetExecutionContext(),
kPresentationUrl, scope->GetExceptionState());
EXPECT_FALSE(scope->GetExceptionState().HadException());
return request;
}
} // namespace
TEST(PresentationConnectionCallbacksTest, HandleSuccess) {
V8TestingScope scope;
MockFunctionScope funcs(scope.GetScriptState());
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver>(scope.GetScriptState());
resolver->Promise().Then(funcs.ExpectCall(), funcs.ExpectNoCall());
PresentationConnectionCallbacks callbacks(resolver, MakeRequest(&scope));
// No connection currently exists.
EXPECT_FALSE(callbacks.connection_);
mojo::PendingRemote<mojom::blink::PresentationConnection> connection_remote;
mojo::PendingReceiver<mojom::blink::PresentationConnection>
connection_receiver = connection_remote.InitWithNewPipeAndPassReceiver();
PresentationConnectionResultPtr result = PresentationConnectionResult::New(
PresentationInfo::New(url_test_helpers::ToKURL(kPresentationUrl),
kPresentationId),
std::move(connection_remote), std::move(connection_receiver));
callbacks.HandlePresentationResponse(std::move(result), nullptr);
// New connection was created.
ControllerPresentationConnection* connection = callbacks.connection_.Get();
ASSERT_TRUE(connection);
EXPECT_EQ(connection->GetState(), PresentationConnectionState::CONNECTING);
}
TEST(PresentationConnectionCallbacksTest, HandleReconnect) {
V8TestingScope scope;
MockFunctionScope funcs(scope.GetScriptState());
PresentationInfoPtr info = PresentationInfo::New(
url_test_helpers::ToKURL(kPresentationUrl), kPresentationId);
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver>(scope.GetScriptState());
resolver->Promise().Then(funcs.ExpectCall(), funcs.ExpectNoCall());
auto* connection = ControllerPresentationConnection::Take(
resolver, *info, MakeRequest(&scope));
// Connection must be closed for reconnection to succeed.
connection->close();
PresentationConnectionCallbacks callbacks(resolver, connection);
mojo::PendingRemote<mojom::blink::PresentationConnection> connection_remote;
mojo::PendingReceiver<mojom::blink::PresentationConnection>
connection_receiver = connection_remote.InitWithNewPipeAndPassReceiver();
PresentationConnectionResultPtr result = PresentationConnectionResult::New(
std::move(info), std::move(connection_remote),
std::move(connection_receiver));
callbacks.HandlePresentationResponse(std::move(result), nullptr);
// Previous connection was returned.
ControllerPresentationConnection* new_connection =
callbacks.connection_.Get();
EXPECT_EQ(connection, new_connection);
EXPECT_EQ(new_connection->GetState(),
PresentationConnectionState::CONNECTING);
}
TEST(PresentationConnectionCallbacksTest, HandleError) {
V8TestingScope scope;
MockFunctionScope funcs(scope.GetScriptState());
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver>(scope.GetScriptState());
resolver->Promise().Then(funcs.ExpectNoCall(), funcs.ExpectCall());
PresentationConnectionCallbacks callbacks(resolver, MakeRequest(&scope));
// No connection currently exists.
EXPECT_FALSE(callbacks.connection_);
callbacks.HandlePresentationResponse(
nullptr,
PresentationError::New(PresentationErrorType::NO_PRESENTATION_FOUND,
"Something bad happened"));
// No connection was created.
EXPECT_FALSE(callbacks.connection_);
}
} // namespace blink
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