/*
 * 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.
 */
package android.view.textclassifier;

import static com.google.common.truth.Truth.assertThat;

import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.File;
import java.util.Collections;
import java.util.Locale;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class ActionsModelParamsSupplierTest {

    @Test
    public void getSerializedPreconditions_validActionsModelParams() {
        ModelFileManager.ModelFile modelFile = new ModelFileManager.ModelFile(
                new File("/model/file"),
                200 /* version */,
                Collections.singletonList(Locale.forLanguageTag("en")),
                "en",
                false);
        byte[] serializedPreconditions = new byte[]{0x12, 0x24, 0x36};
        ActionsModelParamsSupplier.ActionsModelParams params =
                new ActionsModelParamsSupplier.ActionsModelParams(
                        200 /* version */,
                        "en",
                        serializedPreconditions);

        byte[] actual = params.getSerializedPreconditions(modelFile);

        assertThat(actual).isEqualTo(serializedPreconditions);
    }

    @Test
    public void getSerializedPreconditions_invalidVersion() {
        ModelFileManager.ModelFile modelFile = new ModelFileManager.ModelFile(
                new File("/model/file"),
                201 /* version */,
                Collections.singletonList(Locale.forLanguageTag("en")),
                "en",
                false);
        byte[] serializedPreconditions = new byte[]{0x12, 0x24, 0x36};
        ActionsModelParamsSupplier.ActionsModelParams params =
                new ActionsModelParamsSupplier.ActionsModelParams(
                        200 /* version */,
                        "en",
                        serializedPreconditions);

        byte[] actual = params.getSerializedPreconditions(modelFile);

        assertThat(actual).isNull();
    }

    @Test
    public void getSerializedPreconditions_invalidLocales() {
        final String LANGUAGE_TAG = "zh";
        ModelFileManager.ModelFile modelFile = new ModelFileManager.ModelFile(
                new File("/model/file"),
                200 /* version */,
                Collections.singletonList(Locale.forLanguageTag(LANGUAGE_TAG)),
                LANGUAGE_TAG,
                false);
        byte[] serializedPreconditions = new byte[]{0x12, 0x24, 0x36};
        ActionsModelParamsSupplier.ActionsModelParams params =
                new ActionsModelParamsSupplier.ActionsModelParams(
                        200 /* version */,
                        "en",
                        serializedPreconditions);

        byte[] actual = params.getSerializedPreconditions(modelFile);

        assertThat(actual).isNull();
    }

}