feature #2: save executed migration in DB

src/test/kotlin/fr/postgresjson/MigrationTest.kt

@@ -16,8 +16,12 @@ class MigrationTest(): TestAbstract() {
     fun upQuery() {
         val resources = File(this::class.java.getResource("/sql/migrations").toURI())
         val m = Migrations(resources, getConnextion())
-        m.up() `should contain` Pair("1", Migration.Status.OK)
-        m.up().size `should be equal to` 1
+        m.up().let {
+            it `should contain` Pair("1", Migration.Status.OK)
+            it.size `should be equal to` 1
+        }
+
+        m.up().size `should be equal to` 0
     }
 
     @Test
@@ -32,15 +36,22 @@ class MigrationTest(): TestAbstract() {
     fun downQuery() {
         val resources = File(this::class.java.getResource("/sql/migrations").toURI())
         val m = Migrations(resources, getConnextion())
-        m.down() `should contain` Pair("1", Migration.Status.OK)
-        m.down().size `should be equal to` 1
+        repeat(3) {
+            m.down(true).let {
+                it `should contain` Pair("1", Migration.Status.OK)
+                it.size `should be equal to` 1
+            }
+        }
     }
 
     @Test
     fun `test up and down migrations`() {
         val resources = File(this::class.java.getResource("/sql/real_migrations").toURI())
-        val m = Migrations(resources, getConnextion())
-        m.test().size `should be equal to` 2
-        m.test().size `should be equal to` 2
+        Migrations(resources, getConnextion()).apply {
+            test().size `should be equal to` 2
+        }
+        Migrations(resources, getConnextion()).apply {
+            test().size `should be equal to` 2
+        }
     }
 }

src/test/kotlin/fr/postgresjson/TestAbstract.kt

@@ -1,8 +1,8 @@
 package fr.postgresjson
 
 import fr.postgresjson.connexion.Connection
-import org.junit.jupiter.api.AfterAll
-import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.TestInstance
 import org.junit.jupiter.api.TestInstance.Lifecycle.PER_CLASS
 import java.io.File
@@ -13,14 +13,14 @@ abstract class TestAbstract {
         return Connection(database = "test", username = "test", password = "test")
     }
 
-    @BeforeAll
+    @BeforeEach
     fun beforeAll() {
         val initSQL = File(this::class.java.getResource("/fixtures/init.sql").toURI())
         val promise = getConnextion().connect().sendQuery(initSQL.readText())
         promise.join()
     }
 
-    @AfterAll
+    @AfterEach
     fun afterAll() {
         val downSQL = File(this::class.java.getResource("/fixtures/down.sql").toURI())
         getConnextion().connect().sendQuery(downSQL.readText()).join()