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[Sone.git] / src / test / kotlin / net / pterodactylus / sone / test / Guice.kt

diff --git a/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt b/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
index c8f2417..e6c0fdb 100644 (file)
--- a/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
+++ b/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
@@ -1,22 +1,38 @@
 package net.pterodactylus.sone.test
 
-import com.google.inject.*
-import com.google.inject.name.*
-import org.mockito.*
+import com.google.inject.Injector
+import com.google.inject.Key
+import com.google.inject.Module
+import com.google.inject.TypeLiteral
+import com.google.inject.name.Names
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.sameInstance
+import org.mockito.Mockito
 import javax.inject.Provider
-import kotlin.reflect.*
+import kotlin.reflect.KClass
 
 fun <T : Any> KClass<T>.isProvidedBy(instance: T) = Module { it.bind(this.java).toProvider(Provider<T> { instance }) }
 fun <T : Any> KClass<T>.withNameIsProvidedBy(instance: T, name: String) = Module { it.bind(this.java).annotatedWith(Names.named(name)).toProvider(Provider<T> { instance }) }
 fun <T : Any> KClass<T>.isProvidedBy(provider: com.google.inject.Provider<T>) = Module { it.bind(this.java).toProvider(provider) }
 fun <T : Any> KClass<T>.isProvidedBy(provider: KClass<out Provider<T>>) = Module { it.bind(this.java).toProvider(provider.java) }
+fun <T : Any> Key<T>.isProvidedBy(instance: T) = Module { it.bind(this).toProvider(Provider<T> { instance }) }
 inline fun <reified T : Any> KClass<T>.isProvidedByMock() = Module { it.bind(this.java).toProvider(Provider<T> { mock() }) }
 inline fun <reified T : Any> KClass<T>.isProvidedByDeepMock() = Module { it.bind(this.java).toProvider(Provider<T> { deepMock() }) }
 
+inline fun <reified T> key(): Key<T> = Key.get(object : TypeLiteral<T>() {})
+inline fun <reified T> key(annotation: Annotation): Key<T> = Key.get(object : TypeLiteral<T>() {}, annotation)
+
 inline fun <reified T : Any> Injector.getInstance(annotation: Annotation? = null): T = annotation
                ?.let { getInstance(Key.get(object : TypeLiteral<T>() {}, it)) }
                ?: getInstance(Key.get(object : TypeLiteral<T>() {}))
 
+
+inline fun <reified T : Any> Injector.verifySingletonInstance(annotation: Annotation? = null) {
+       val firstInstance = getInstance<T>(annotation)
+       val secondInstance = getInstance<T>(annotation)
+       assertThat(firstInstance, sameInstance(secondInstance))
+}
+
 fun <T : Any> supply(javaClass: Class<T>): Source<T> = object : Source<T> {
        override fun fromInstance(instance: T) = Module { it.bind(javaClass).toInstance(instance) }
        override fun byInstance(instance: T) = Module { it.bind(javaClass).toProvider(Provider<T> { instance }) }