⚗️ Hjelpefunksjoner for å skrive tester til databasen

Co-authored-by: Markus A. R. Johansen <markus.aleksander.rakil.johansen@nav.no>
Co-authored-by: Amalie Erdal Mansåker <amalie.erdal.mansaker@nav.no>
Co-authored-by: Hege Haavaldsen <hege.haavaldsen@nav.no>
Co-authored-by: Helene Arnesen <helene.arnesen@nav.no>

backend/src/test/kotlin/no/nav/helse/sprik/TestUtils.kt

@@ -0,0 +1,43 @@
+package no.nav.helse.sprik
+
+import com.zaxxer.hikari.HikariConfig
+import no.nav.helse.sprik.db.Database
+import org.flywaydb.core.Flyway
+import org.junit.jupiter.api.Test
+import org.testcontainers.containers.PostgreSQLContainer
+import kotlin.test.assertEquals
+
+// Lager Docker-container som databasen kan kjør på, og setter opp env-variabler for oss
+fun postgres() = PostgreSQLContainer<Nothing>("postgres:15").apply {
+    withReuse(true)
+    withLabel("App", "db")
+    start()
+    println("Databasen har startet opp på port $firstMappedPort")
+}
+
+// Lager en testconfig for oss for å connecte til databasen
+fun dbconfig(): HikariConfig {
+    val postgres = postgres()
+    return HikariConfig().apply {
+        jdbcUrl = postgres.jdbcUrl
+        username = postgres.username
+        password = postgres.password
+        maximumPoolSize = 2
+        minimumIdle = 1
+        idleTimeout = 500000
+        connectionTimeout = 10000
+        maxLifetime = 600000
+        initializationFailTimeout = 5000
+    }
+}
+
+// Migrerer databasen
+fun Database.configureFlyway(): Database = this.also { database ->
+    Flyway.configure()
+        .dataSource(database.dataSource)
+        .failOnMissingLocations(true)
+        .cleanDisabled(false)
+        .load()
+        .also(Flyway::clean)
+        .migrate()
+}