apk/tests/src/com/android/healthconnect/controller/tests/permissions/api/GetGrantedHealthPermissionsUseCaseTest.kt


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/**
 * Copyright (C) 2022 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 com.android.healthconnect.controller.tests.permissions.api

import android.content.Context
import androidx.test.platform.app.InstrumentationRegistry
import com.android.healthconnect.controller.permissions.api.GetGrantedHealthPermissionsUseCase
import com.android.healthconnect.controller.permissions.api.HealthPermissionManager
import com.android.healthconnect.controller.tests.utils.whenever
import com.google.common.truth.Truth.assertThat
import org.junit.Before
import org.junit.Test
import org.mockito.Mockito.mock
import org.mockito.Mockito.verify
import org.mockito.kotlin.any

class GetGrantedHealthPermissionsUseCaseTest {

    private lateinit var context: Context
    private lateinit var useCase: GetGrantedHealthPermissionsUseCase
    private val healthPermissionManager: HealthPermissionManager =
        mock(HealthPermissionManager::class.java)

    @Before
    fun setup() {
        context = InstrumentationRegistry.getInstrumentation().context
        useCase = GetGrantedHealthPermissionsUseCase(healthPermissionManager)
    }

    @Test
    fun invoke_callsHealthPermissionManager() {
        useCase.invoke("TEST_APP")

        verify(healthPermissionManager).getGrantedHealthPermissions("TEST_APP")
    }

    @Test
    fun invoke_callsHealthPermissionManager_returnsCorrectList() {
        val expectedList = listOf("permission1", "permission2")
        whenever(healthPermissionManager.getGrantedHealthPermissions(any()))
            .thenReturn(expectedList)
        val result = useCase.invoke("TEST_APP")

        verify(healthPermissionManager).getGrantedHealthPermissions("TEST_APP")
        assertThat(result).containsExactlyElementsIn(expectedList)
    }

    @Test
    fun invoke_whenHealthPermissionManagerFails_returnsEmptyList() {
        whenever(healthPermissionManager.getGrantedHealthPermissions(any()))
            .thenThrow(RuntimeException("Error!"))
        val result = useCase.invoke("TEST_APP")

        verify(healthPermissionManager).getGrantedHealthPermissions("TEST_APP")
        assertThat(result).isEmpty()
    }
}