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KRealmExtensionsGlobalRxTests.kt
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KRealmExtensionsGlobalRxTests.kt
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package com.vicpin.krealmextensions
import android.support.test.runner.AndroidJUnit4
import com.google.common.truth.Truth
import com.vicpin.krealmextensions.model.TestEntity
import com.vicpin.krealmextensions.model.TestEntityPK
import com.vicpin.krealmextensions.util.TestRealmConfigurationFactory
import io.reactivex.disposables.Disposable
import io.realm.Realm
import io.realm.Sort
import org.junit.After
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith
import java.util.concurrent.CountDownLatch
/**
* Created by victor on 10/1/17.
* Rx test based on global functions
*/
@RunWith(AndroidJUnit4::class)
class KRealmExtensionsGlobalRxTests {
@get:Rule
var configFactory = TestRealmConfigurationFactory()
lateinit var realm: Realm
lateinit var latch: CountDownLatch
var latchReleased = false
var disposable: Disposable? = null
@Before
fun setUp() {
val realmConfig = configFactory.createConfiguration()
realm = Realm.getInstance(realmConfig)
latch = CountDownLatch(1)
}
@After
fun tearDown() {
deleteAll<TestEntity>()
deleteAll<TestEntityPK>()
realm.close()
latchReleased = false
disposable = null
}
/**
* SINGLE AND FLOWABLE TESTS
*/
@Test
fun testQueryAllAsFlowable() {
var itemsCount = 5
var disposable: Disposable? = null
populateDBWithTestEntity(numItems = itemsCount)
block {
disposable = queryAllAsFlowable<TestEntity>().subscribe({
Truth.assertThat(it).hasSize(itemsCount)
release()
}, { it.printStackTrace() })
}
block {
//Add one item more to db
++itemsCount
populateDBWithTestEntity(numItems = 1)
}
disposable?.dispose()
}
@Test
fun testQueryAsFlowable() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = queryAsFlowable<TestEntityPK> { equalToValue("id", 1) }.subscribe({
Truth.assertThat(it).hasSize(1)
Truth.assertThat(it[0].isManaged).isFalse()
release()
}, { it.printStackTrace() })
}
disposable?.dispose()
}
@Test
fun testQueryAllAsSingle() {
var itemsCount = 5
populateDBWithTestEntity(numItems = itemsCount)
block {
disposable = queryAllAsSingle<TestEntity>().subscribe({ result ->
Truth.assertThat(result).hasSize(itemsCount)
Truth.assertThat(result[0].isManaged).isFalse()
release()
}, { it.printStackTrace() })
}
Truth.assertThat(disposable?.isDisposed ?: false).isTrue()
}
@Test
fun testQueryAsSingle() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = queryAsSingle<TestEntityPK> { equalToValue("id", 1) }.subscribe({ it ->
Truth.assertThat(it).hasSize(1)
Truth.assertThat(it[0].isManaged).isFalse()
release()
}, { it.printStackTrace() })
}
Truth.assertThat(disposable?.isDisposed ?: false).isTrue()
}
@Test
fun testQuerySortedAsFlowable() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = querySortedAsFlowable<TestEntityPK>("id", Sort.DESCENDING).subscribe({
Truth.assertThat(it).hasSize(5)
Truth.assertThat(it[0].isManaged).isFalse()
Truth.assertThat(it[0].id).isEqualTo(4)
release()
}, { it.printStackTrace() })
}
disposable?.dispose()
}
@Test
fun testQuerySortedAsFlowableWithQuery() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = querySortedAsFlowable<TestEntityPK>("id", Sort.DESCENDING) { equalToValue("id", 1) }.subscribe({
Truth.assertThat(it).hasSize(1)
Truth.assertThat(it[0].isManaged).isFalse()
Truth.assertThat(it[0].id).isEqualTo(1)
release()
}, { it.printStackTrace() })
}
disposable?.dispose()
}
@Test
fun testQuerySortedAsSingle() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = querySortedAsSingle<TestEntityPK>("id", Sort.DESCENDING).subscribe({ it ->
Truth.assertThat(it).hasSize(5)
Truth.assertThat(it[0].isManaged).isFalse()
Truth.assertThat(it[0].id).isEqualTo(4)
release()
}, { it.printStackTrace() })
}
Truth.assertThat(disposable?.isDisposed ?: false).isTrue()
}
@Test
fun testQuerySortedAsSingleWithQuery() {
populateDBWithTestEntityPK(numItems = 5)
block {
disposable = querySortedAsSingle<TestEntityPK>("id", Sort.DESCENDING) { equalToValue("id", 1) }.subscribe({ it ->
Truth.assertThat(it).hasSize(1)
Truth.assertThat(it[0].isManaged).isFalse()
Truth.assertThat(it[0].id).isEqualTo(1)
release()
}, { it.printStackTrace() })
}
Truth.assertThat(disposable?.isDisposed ?: false).isTrue()
}
/**
* UTILITY TEST METHODS
*/
private fun populateDBWithTestEntity(numItems: Int) {
(0 until numItems).forEach { TestEntity().save() }
}
private fun populateDBWithTestEntityPK(numItems: Int) {
(0 until numItems).forEach { TestEntityPK(it.toLong()).save() }
}
private fun blockLatch() {
if (!latchReleased) {
latch.await()
}
}
private fun release() {
latchReleased = true
latch.countDown()
latch = CountDownLatch(1)
}
fun block(closure: () -> Unit) {
latchReleased = false
closure()
blockLatch()
}
}