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/*
* Copyright (C) 2023 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.customization.model.grid.ui.viewmodel
import androidx.test.filters.SmallTest
import androidx.test.platform.app.InstrumentationRegistry
import com.android.customization.model.grid.data.repository.FakeGridRepository
import com.android.customization.model.grid.domain.interactor.GridInteractor
import com.android.customization.model.grid.domain.interactor.GridSnapshotRestorer
import com.android.wallpaper.picker.option.ui.viewmodel.OptionItemViewModel
import com.android.wallpaper.testing.FakeSnapshotStore
import com.android.wallpaper.testing.collectLastValue
import com.google.common.truth.Truth.assertThat
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.test.TestScope
import kotlinx.coroutines.test.runTest
import org.junit.Before
import org.junit.Ignore
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4
@OptIn(ExperimentalCoroutinesApi::class)
@SmallTest
@RunWith(JUnit4::class)
class GridScreenViewModelTest {
private lateinit var underTest: GridScreenViewModel
private lateinit var testScope: TestScope
private lateinit var interactor: GridInteractor
private lateinit var store: FakeSnapshotStore
@Before
fun setUp() {
testScope = TestScope()
store = FakeSnapshotStore()
interactor =
GridInteractor(
applicationScope = testScope.backgroundScope,
repository =
FakeGridRepository(
scope = testScope.backgroundScope,
initialOptionCount = 4,
),
snapshotRestorer = {
GridSnapshotRestorer(
interactor = interactor,
)
.apply { runBlocking { setUpSnapshotRestorer(store) } }
}
)
underTest =
GridScreenViewModel(
context = InstrumentationRegistry.getInstrumentation().targetContext,
interactor = interactor,
)
}
@Test
@Ignore("b/270371382")
fun clickOnItem_itGetsSelected() =
testScope.runTest {
val optionItemsValueProvider = collectLastValue(underTest.optionItems)
var optionItemsValue = checkNotNull(optionItemsValueProvider.invoke())
assertThat(optionItemsValue).hasSize(4)
assertThat(getSelectedIndex(optionItemsValue)).isEqualTo(0)
assertThat(getOnClick(optionItemsValue[0])).isNull()
val item1OnClickedValue = getOnClick(optionItemsValue[1])
assertThat(item1OnClickedValue).isNotNull()
item1OnClickedValue?.invoke()
optionItemsValue = checkNotNull(optionItemsValueProvider.invoke())
assertThat(optionItemsValue).hasSize(4)
assertThat(getSelectedIndex(optionItemsValue)).isEqualTo(1)
assertThat(getOnClick(optionItemsValue[0])).isNotNull()
assertThat(getOnClick(optionItemsValue[1])).isNull()
}
private fun TestScope.getSelectedIndex(
optionItems: List<OptionItemViewModel<GridIconViewModel>>
): Int {
return optionItems.indexOfFirst { optionItem ->
collectLastValue(optionItem.isSelected).invoke() == true
}
}
private fun TestScope.getOnClick(
optionItem: OptionItemViewModel<GridIconViewModel>
): (() -> Unit)? {
return collectLastValue(optionItem.onClicked).invoke()
}
}
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