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// Copyright 2015 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 <stddef.h>
#include <stdint.h>
#include "mojo/public/cpp/system/macros.h"
#include "mojo/public/interfaces/bindings/tests/versioning_test_client.mojom.h"
#include "mojo/shell/public/cpp/application_test_base.h"
#include "mojo/shell/public/cpp/shell.h"
namespace mojo {
namespace test {
namespace versioning {
class VersioningApplicationTest : public ApplicationTestBase {
public:
VersioningApplicationTest() : ApplicationTestBase() {}
~VersioningApplicationTest() override {}
protected:
// ApplicationTestBase overrides.
void SetUp() override {
ApplicationTestBase::SetUp();
shell()->ConnectToInterface("mojo:versioning_test_service", &database_);
}
HumanResourceDatabasePtr database_;
private:
MOJO_DISALLOW_COPY_AND_ASSIGN(VersioningApplicationTest);
};
TEST_F(VersioningApplicationTest, Struct) {
// The service side uses a newer version of Employee defintion.
// The returned struct should be truncated.
EmployeePtr employee(Employee::New());
employee->employee_id = 1;
employee->name = "Homer Simpson";
employee->department = DEPARTMENT_DEV;
database_->QueryEmployee(1, true,
[&employee](EmployeePtr returned_employee,
Array<uint8_t> returned_finger_print) {
EXPECT_TRUE(employee->Equals(*returned_employee));
EXPECT_FALSE(returned_finger_print.is_null());
});
database_.WaitForIncomingResponse();
// Passing a struct of older version to the service side works.
EmployeePtr new_employee(Employee::New());
new_employee->employee_id = 2;
new_employee->name = "Marge Simpson";
new_employee->department = DEPARTMENT_SALES;
database_->AddEmployee(new_employee.Clone(),
[](bool success) { EXPECT_TRUE(success); });
database_.WaitForIncomingResponse();
database_->QueryEmployee(
2, false, [&new_employee](EmployeePtr returned_employee,
Array<uint8_t> returned_finger_print) {
EXPECT_TRUE(new_employee->Equals(*returned_employee));
EXPECT_TRUE(returned_finger_print.is_null());
});
database_.WaitForIncomingResponse();
}
TEST_F(VersioningApplicationTest, QueryVersion) {
EXPECT_EQ(0u, database_.version());
database_.QueryVersion([](uint32_t version) { EXPECT_EQ(1u, version); });
database_.WaitForIncomingResponse();
EXPECT_EQ(1u, database_.version());
}
TEST_F(VersioningApplicationTest, RequireVersion) {
EXPECT_EQ(0u, database_.version());
database_.RequireVersion(1);
EXPECT_EQ(1u, database_.version());
database_->QueryEmployee(3, false,
[](EmployeePtr returned_employee,
Array<uint8_t> returned_finger_print) {});
database_.WaitForIncomingResponse();
EXPECT_FALSE(database_.encountered_error());
// Requiring a version higher than what the service side implements will close
// the pipe.
database_.RequireVersion(3);
EXPECT_EQ(3u, database_.version());
database_->QueryEmployee(1, false,
[](EmployeePtr returned_employee,
Array<uint8_t> returned_finger_print) {});
database_.WaitForIncomingResponse();
EXPECT_TRUE(database_.encountered_error());
}
TEST_F(VersioningApplicationTest, CallNonexistentMethod) {
EXPECT_EQ(0u, database_.version());
Array<uint8_t> new_finger_print(128);
for (size_t i = 0; i < 128; ++i)
new_finger_print[i] = i + 13;
// Although the client side doesn't know whether the service side supports
// version 1, calling a version 1 method succeeds as long as the service side
// supports version 1.
database_->AttachFingerPrint(1, new_finger_print.Clone(),
[](bool success) { EXPECT_TRUE(success); });
database_.WaitForIncomingResponse();
// Calling a version 2 method (which the service side doesn't support) closes
// the pipe.
database_->ListEmployeeIds([](Array<uint64_t> ids) { EXPECT_TRUE(false); });
database_.WaitForIncomingResponse();
EXPECT_TRUE(database_.encountered_error());
}
} // namespace versioning
} // namespace examples
} // namespace mojo
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