connection to postgresql

src/test/kotlin/eventDemo/adapter/infrastructureLayer/PostgresqlTest.kt

@@ -0,0 +1,37 @@
+package eventDemo.adapter.infrastructureLayer
+
+import eventDemo.configuration.configure
+import io.kotest.core.NamedTag
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.equals.shouldBeEqual
+import io.ktor.server.testing.testApplication
+import org.koin.core.context.stopKoin
+import org.koin.ktor.ext.inject
+import javax.sql.DataSource
+
+class PostgresqlTest :
+  FunSpec({
+    tags(NamedTag("postgresql"))
+
+    test("test connection with postgresql") {
+      testApplication {
+        application {
+          stopKoin()
+          configure()
+
+          val datasource by inject<DataSource>()
+          datasource.connection.use { connection ->
+            connection
+              .prepareStatement(
+                """
+                select 1;
+                """.trimIndent(),
+              ).execute()
+              .let {
+                it shouldBeEqual true
+              }
+          }
+        }
+      }
+    }
+  })