Fix file uploading

src/test/scala/com/exasol/cloudetl/it/BaseDataImporter.scala

@@ -14,19 +14,22 @@ trait BaseDataImporter extends BaseS3IntegrationTest with BeforeAndAfterEach wit
   val dataFormat: String
 
   var outputDirectory: Path = _
-  val paths: List[HPath] = List()
+  var paths: List[HPath] = List()
   val baseFileName = "part-"
 
   override final def beforeEach(): Unit = {
     outputDirectory = createTemporaryFolder(s"$dataFormat-tests-")
     ()
   }
 
-  override final def afterEach(): Unit =
+  override final def afterEach(): Unit = {
+    paths = List()
     deletePathFiles(outputDirectory)
+  }
 
   override def beforeAll(): Unit = {
     super.beforeAll()
+    createBucket(bucketName)
     prepareExasolDatabase(schemaName)
     createS3ConnectionObject()
   }
@@ -39,7 +42,7 @@ trait BaseDataImporter extends BaseS3IntegrationTest with BeforeAndAfterEach wit
   def addFile(): HPath = {
     val fileCounter = String.format("%04d", paths.length)
     val newPath = new HPath(outputDirectory.toUri.toString, s"$baseFileName$fileCounter.$dataFormat")
-    paths.appended(newPath)
+    paths = paths.appended(newPath)
     return newPath
   }
 
@@ -68,5 +71,4 @@ trait BaseDataImporter extends BaseS3IntegrationTest with BeforeAndAfterEach wit
       ()
     }
   }
-
 }

src/test/scala/com/exasol/cloudetl/it/BaseS3IntegrationTest.scala

@@ -83,7 +83,7 @@ trait BaseS3IntegrationTest extends BaseIntegrationTest {
   def getAWSSecretKey(): String = s3Container.getSecretKey()
 
   def uploadFileToS3(bucket: String, file: HPath): Unit = {
-    createBucket(bucket)
+    logger.info(s"Uploading file $file to bucket $bucket")
     val request = new PutObjectRequest(bucket, file.getName(), new File(file.toUri()))
     s3.putObject(request)
     ()
@@ -94,19 +94,28 @@ trait BaseS3IntegrationTest extends BaseIntegrationTest {
     ()
   }
 
-  def importFromS3IntoExasol(schemaName: String, table: Table, bucket: String, file: String, dataFormat: String): Unit =
+  def importFromS3IntoExasol(
+    schemaName: String,
+    table: Table,
+    bucket: String,
+    file: String,
+    dataFormat: String
+  ): Unit = {
+    val bucketPath = s"s3a://$bucket/$file"
+    logger.info(s"Importing $bucketPath of format $dataFormat into table ${table.getFullyQualifiedName()}...")
     executeStmt(
       s"""|IMPORT INTO ${table.getFullyQualifiedName()}
           |FROM SCRIPT $schemaName.IMPORT_PATH WITH
-          |BUCKET_PATH              = 's3a://$bucket/$file'
+          |BUCKET_PATH              = '$bucketPath'
           |DATA_FORMAT              = '$dataFormat'
           |S3_ENDPOINT              = '$s3Endpoint'
           |S3_CHANGE_DETECTION_MODE = 'none'
           |TRUNCATE_STRING          = 'true'
           |CONNECTION_NAME          = 'S3_CONNECTION'
           |PARALLELISM              = 'nproc()';
-        """.stripMargin
+          """.stripMargin
     )
+  }
 
   def exportIntoS3(schemaName: String, tableName: String, bucket: String): Unit =
     executeStmt(

src/test/scala/com/exasol/cloudetl/it/parquet/ParquetDataImporterIT.scala

@@ -476,7 +476,7 @@ class ParquetDataImporterIT extends BaseDataImporter {
       )
   }
 
-  test("imports multiple columns") {
+  test("imports multiple columns from single file") {
     MultiParquetChecker(
       "required binary name (UTF8); required int32 age;",
       Map("NAME" -> "VARCHAR(60)", "AGE" -> "INTEGER"),
@@ -487,9 +487,9 @@ class ParquetDataImporterIT extends BaseDataImporter {
         writer.write(new SimpleGroup(schema).append("name", "Jane").append("age", 22))
       }
       .assertResultSet(
-        table("VARCHAR", "DECIMAL")
-          .row("John", 24)
-          .row("Jane", 22)
+        table("VARCHAR", "BIGINT")
+          .row("John", 24L)
+          .row("Jane", 22L)
           .matches()
       )
   }