| // Copyright (c) 2012 The Chromium OS 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 <gtest/gtest.h> |
| |
| #include "update_engine/gpio_handler.h" |
| #include "update_engine/gpio_mock_udev_interface.h" |
| |
| // Some common strings used by the different cooperating mocks for this module. |
| // We use preprocessor constants to allow concatenation at compile-time. |
| #define MOCK_GPIO_CHIP_ID "100" |
| #define MOCK_DUTFLAGA_GPIO_ID "101" |
| #define MOCK_DUTFLAGB_GPIO_ID "102" |
| #define MOCK_SYSFS_PREFIX "/mock/sys/class/gpio" |
| |
| namespace chromeos_update_engine { |
| |
| class StandardGpioHandlerTest : public ::testing::Test {}; |
| |
| TEST(StandardGpioHandlerTest, NormalInitTest) { |
| // Ensure that initialization of the GPIO module works as expected, and that |
| // all udev resources are deallocated afterwards. The mock file descriptor is |
| // not to be used. |
| StandardGpioMockUdevInterface mock_udev; |
| StandardGpioHandler gpio_hander(&mock_udev, false); |
| mock_udev.ExpectAllResourcesDeallocated(); |
| mock_udev.ExpectDiscoverySuccess(); |
| } |
| |
| TEST(StandardGpioHandlerTest, MultiGpioChipInitTest) { |
| // Attempt GPIO discovery with a udev mock that returns two GPIO chip devices. |
| // It should fail, of course. The mock file descriptor is not to be used. |
| MultiChipGpioMockUdevInterface mock_udev; |
| StandardGpioHandler gpio_handler(&mock_udev, false); |
| mock_udev.ExpectAllResourcesDeallocated(); |
| mock_udev.ExpectDiscoveryFail(); |
| } |
| |
| TEST(StandardGpioHandlerTest, NormalModeGpioSignalingTest) { |
| // Initialize the GPIO module, run the signaling procedure, ensure that it |
| // concluded that this is a normal mode run. |
| StandardGpioMockUdevInterface mock_udev; |
| StandardGpioHandler gpio_handler(&mock_udev, false); |
| EXPECT_FALSE(gpio_handler.IsTestModeSignaled()); |
| mock_udev.ExpectAllResourcesDeallocated(); |
| } |
| |
| TEST(StandardGpioHandlerTest, DeferredInitNormalModeGpioSignalingTest) { |
| // Initialize the GPIO module with deferred discovery, run the signaling |
| // procedure, ensure that it concluded that this is a normal mode run. |
| StandardGpioMockUdevInterface mock_udev; |
| StandardGpioHandler gpio_handler(&mock_udev, true); |
| EXPECT_FALSE(gpio_handler.IsTestModeSignaled()); |
| mock_udev.ExpectAllResourcesDeallocated(); |
| } |
| |
| } // namespace chromeos_update_engine |