Don Turner
8 months ago
committed by
GitHub
commit
87c1f11dc3
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/*
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* Copyright 2025 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.database.dao
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import android.content.Context
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import androidx.room.Room
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import androidx.test.core.app.ApplicationProvider
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import com.google.samples.apps.nowinandroid.core.database.NiaDatabase
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import org.junit.After
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import org.junit.Before
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internal abstract class DatabaseTest {
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private lateinit var db: NiaDatabase
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protected lateinit var newsResourceDao: NewsResourceDao
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protected lateinit var topicDao: TopicDao
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@Before
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fun setup() {
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db = run {
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val context = ApplicationProvider.getApplicationContext<Context>()
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Room.inMemoryDatabaseBuilder(
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context,
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NiaDatabase::class.java,
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).build()
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}
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newsResourceDao = db.newsResourceDao()
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topicDao = db.topicDao()
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}
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@After
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fun teardown() = db.close()
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}
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@ -0,0 +1,126 @@
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/*
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* Copyright 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.database.dao
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import com.google.samples.apps.nowinandroid.core.database.model.TopicEntity
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import kotlinx.coroutines.flow.first
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import kotlinx.coroutines.test.runTest
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import org.junit.Test
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import kotlin.test.assertEquals
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internal class TopicDaoTest : DatabaseTest() {
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@Test
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fun getTopics() = runTest {
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insertTopics()
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val savedTopics = topicDao.getTopicEntities().first()
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assertEquals(
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listOf("1", "2", "3"),
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savedTopics.map { it.id },
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)
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}
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@Test
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fun getTopic() = runTest {
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insertTopics()
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val savedTopicEntity = topicDao.getTopicEntity("2").first()
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assertEquals("performance", savedTopicEntity.name)
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}
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@Test
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fun getTopics_oneOff() = runTest {
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insertTopics()
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val savedTopics = topicDao.getOneOffTopicEntities()
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assertEquals(
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listOf("1", "2", "3"),
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savedTopics.map { it.id },
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)
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}
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@Test
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fun getTopics_byId() = runTest {
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insertTopics()
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val savedTopics = topicDao.getTopicEntities(setOf("1", "2"))
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.first()
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assertEquals(listOf("compose", "performance"), savedTopics.map { it.name })
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}
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@Test
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fun insertTopic_newEntryIsIgnoredIfAlreadyExists() = runTest {
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insertTopics()
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topicDao.insertOrIgnoreTopics(
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listOf(testTopicEntity("1", "compose")),
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)
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val savedTopics = topicDao.getOneOffTopicEntities()
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assertEquals(3, savedTopics.size)
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}
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@Test
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fun upsertTopic_existingEntryIsUpdated() = runTest {
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insertTopics()
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topicDao.upsertTopics(
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listOf(testTopicEntity("1", "newName")),
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)
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val savedTopics = topicDao.getOneOffTopicEntities()
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assertEquals(3, savedTopics.size)
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assertEquals("newName", savedTopics.first().name)
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}
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@Test
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fun deleteTopics_byId_existingEntriesAreDeleted() = runTest {
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insertTopics()
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topicDao.deleteTopics(listOf("1", "2"))
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val savedTopics = topicDao.getOneOffTopicEntities()
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assertEquals(1, savedTopics.size)
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assertEquals("3", savedTopics.first().id)
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}
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private suspend fun insertTopics() {
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val topicEntities = listOf(
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testTopicEntity("1", "compose"),
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testTopicEntity("2", "performance"),
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testTopicEntity("3", "headline"),
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)
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topicDao.insertOrIgnoreTopics(topicEntities)
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}
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}
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private fun testTopicEntity(
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id: String = "0",
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name: String,
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) = TopicEntity(
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id = id,
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name = name,
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shortDescription = "",
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longDescription = "",
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url = "",
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imageUrl = "",
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)
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