Add VTS tests for InputClassifier HAL

michaelwr@google.com

pquinn@google.com

svv@google.com

 No newline at end of file

//

// Copyright (C) 2019 The Android Open Source Project

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

cc_test {

    name: "VtsHalInputClassifierV1_0TargetTest",

    defaults: ["VtsHalTargetTestDefaults"],

    srcs: ["VtsHalInputClassifierV1_0TargetTest.cpp"],

    static_libs: [

        "android.hardware.input.classifier@1.0",

        "android.hardware.input.common@1.0",

    ],

    test_suites: ["general-tests"],

}

/*

 * Copyright (C) 2019 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#define LOG_TAG "input_classifier_hal_test"

#include <VtsHalHidlTargetTestBase.h>

#include <VtsHalHidlTargetTestEnvBase.h>

#include <android-base/logging.h>

#include <android/hardware/input/classifier/1.0/IInputClassifier.h>

#include <android/hardware/input/common/1.0/types.h>

#include <input/InputDevice.h>

#include <unistd.h>

using ::android::ReservedInputDeviceId;

using ::android::sp;

using ::android::hardware::Return;

using ::android::hardware::input::classifier::V1_0::IInputClassifier;

using ::android::hardware::input::common::V1_0::Action;

using ::android::hardware::input::common::V1_0::Axis;

using ::android::hardware::input::common::V1_0::Button;

using ::android::hardware::input::common::V1_0::EdgeFlag;

using ::android::hardware::input::common::V1_0::MotionEvent;

using ::android::hardware::input::common::V1_0::PointerCoords;

using ::android::hardware::input::common::V1_0::PointerProperties;

using ::android::hardware::input::common::V1_0::Source;

using ::android::hardware::input::common::V1_0::ToolType;

using ::android::hardware::input::common::V1_0::VideoFrame;

static MotionEvent getSimpleMotionEvent() {

    MotionEvent event;

    event.action = Action::DOWN;

    event.actionButton = Button::NONE;

    event.actionIndex = 0;

    event.buttonState = 0;

    event.deviceId = 0;

    event.deviceTimestamp = 0;

    event.displayId = 1;

    event.downTime = 2;

    event.edgeFlags = 0;

    event.eventTime = 3;

    event.flags = 0;

    event.frames = {};

    event.metaState = 0;

    event.policyFlags = 0;

    event.source = Source::TOUCHSCREEN;

    event.xPrecision = 0;

    event.yPrecision = 0;

    PointerCoords coords;

    coords.bits = Axis::X | Axis::Y;

    coords.values = {1 /*X*/, 2 /*Y*/};

    event.pointerCoords = {coords};

    PointerProperties properties;

    properties.id = 0;

    properties.toolType = ToolType::FINGER;

    event.pointerProperties = {properties};

    return event;

}

// Test environment for Input Classifier HIDL HAL.

class InputClassifierHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {

  public:

    // get the test environment singleton

    static InputClassifierHidlEnvironment* Instance() {

        static InputClassifierHidlEnvironment* instance = new InputClassifierHidlEnvironment;

        return instance;

    }

    virtual void registerTestServices() override { registerTestService<IInputClassifier>(); }

  private:

    InputClassifierHidlEnvironment() {}

};

// The main test class for INPUT CLASSIFIER HIDL HAL 1.0.

class InputClassifierHidlTest_1_0 : public ::testing::VtsHalHidlTargetTestBase {

  public:

    virtual void SetUp() override {

        classifier = ::testing::VtsHalHidlTargetTestBase::getService<IInputClassifier>(

                InputClassifierHidlEnvironment::Instance()->getServiceName<IInputClassifier>());

        ASSERT_NE(classifier, nullptr);

    }

    virtual void TearDown() override {}

    sp<IInputClassifier> classifier;

};

/**

 * Call resetDevice(..) for a few common device id values, and make sure that the HAL

 * can handle the resets gracefully.

 */

TEST_F(InputClassifierHidlTest_1_0, ResetDevice) {

    EXPECT_TRUE(classifier->resetDevice(ReservedInputDeviceId::VIRTUAL_KEYBOARD_ID).isOk());

    EXPECT_TRUE(classifier->resetDevice(ReservedInputDeviceId::BUILT_IN_KEYBOARD_ID).isOk());

    EXPECT_TRUE(classifier->resetDevice(1).isOk());

    EXPECT_TRUE(classifier->resetDevice(2).isOk());

}

/**

 * Call reset() on the HAL to ensure no fatal failure there.

 */

TEST_F(InputClassifierHidlTest_1_0, ResetHal) {

    EXPECT_TRUE(classifier->reset().isOk());

}

/**

 * Classify an event without any video frames.

 */

TEST_F(InputClassifierHidlTest_1_0, Classify_NoVideoFrame) {

    // Create a MotionEvent that does not have any video data

    MotionEvent event = getSimpleMotionEvent();

    EXPECT_TRUE(classifier->classify(event).isOk());

    // We are not checking the actual classification here,

    // because the HAL operation is highly device-specific.

    // Return HAL to a consistent state by doing a reset

    classifier->reset();

}

/**

 * Classify an event with one video frame. Should be the most common scenario.

 */

TEST_F(InputClassifierHidlTest_1_0, Classify_OneVideoFrame) {

    MotionEvent event = getSimpleMotionEvent();

    VideoFrame frame;

    frame.data = {1, 2, 3, 4};

    frame.height = 2;

    frame.width = 2;

    frame.timestamp = event.eventTime;

    event.frames = {frame};

    EXPECT_TRUE(classifier->classify(event).isOk());

    // We are not checking the actual classification here,

    // because the HAL operation is highly device-specific.

    // Return HAL to a consistent state by doing a reset

    classifier->reset();

}

/**

 * Classify an event with 2 video frames. This could happen if there's slowness in the system,

 * or if simply the video rate is somehow higher that the input event rate.

 * The HAL should be able to handle events with more than 1 video frame.

 *

 * The frames should be in chronological order, but it is not guaranteed that they will have

 * monotonically increasing timestamps. Still, we provide consistent timestamps here since that

 * is the most realistic mode of operation.

 */

TEST_F(InputClassifierHidlTest_1_0, Classify_TwoVideoFrames) {

    MotionEvent event = getSimpleMotionEvent();

    VideoFrame frame1;

    frame1.data = {1, 2, 3, 4};

    frame1.height = 2;

    frame1.width = 2;

    frame1.timestamp = event.eventTime;

    VideoFrame frame2 = frame1;

    frame2.data = {5, 5, 5, -1};

    frame2.timestamp += 1;

    event.frames = {frame1, frame2};

    EXPECT_TRUE(classifier->classify(event).isOk());

    // We are not checking the actual classification here,

    // because the HAL operation is highly device-specific.

    // Return HAL to a consistent state by doing a reset

    classifier->reset();

}

int main(int argc, char** argv) {

    ::testing::AddGlobalTestEnvironment(InputClassifierHidlEnvironment::Instance());

    ::testing::InitGoogleTest(&argc, argv);

    InputClassifierHidlEnvironment::Instance()->init(&argc, argv);

    int status = RUN_ALL_TESTS();

    LOG(INFO) << "Test result = " << status;

    return status;

}