package xyz.driver.core
import java.io.{File, FileInputStream}
import java.nio.file.Paths
import org.mockito.Matchers._
import org.mockito.Mockito._
import org.scalatest.mockito.MockitoSugar
import org.scalatest.{FlatSpec, Matchers}
import xyz.driver.core.file.{FileSystemStorage, GcsStorage, S3Storage}
import scala.concurrent.Await
import scala.concurrent.duration._
class FileTest extends FlatSpec with Matchers with MockitoSugar {
"S3 Storage" should "create and download local files and do other operations" in {
import com.amazonaws.services.s3.AmazonS3
import com.amazonaws.services.s3.model._
import scala.collection.JavaConverters._
val tempDir = System.getProperty("java.io.tmpdir")
val sourceTestFile = generateTestLocalFile(tempDir)
val testFileName = "uploadTestFile"
val randomFolderName = java.util.UUID.randomUUID().toString
val testDirPath = Paths.get(randomFolderName)
val testFilePath = Paths.get(randomFolderName, testFileName)
val testBucket = Name[Bucket]("IamBucket")
val s3PutMock = mock[PutObjectResult]
when(s3PutMock.getETag).thenReturn("IAmEtag")
val s3ObjectSummaryMock = mock[S3ObjectSummary]
when(s3ObjectSummaryMock.getKey).thenReturn(testFileName)
when(s3ObjectSummaryMock.getETag).thenReturn("IAmEtag")
when(s3ObjectSummaryMock.getLastModified).thenReturn(new java.util.Date())
val s3ResultsMock = mock[ListObjectsV2Result]
when(s3ResultsMock.getNextContinuationToken).thenReturn("continuationToken")
when(s3ResultsMock.isTruncated).thenReturn(
false, // before file created it is empty (zero pages)
true,
false, // after file is uploaded it contains this one file (one page)
false) // after file is deleted it is empty (zero pages) again
when(s3ResultsMock.getObjectSummaries).thenReturn(
// before file created it is empty, `getObjectSummaries` is never called
List[S3ObjectSummary](s3ObjectSummaryMock).asJava, // after file is uploaded it contains this one file
List.empty[S3ObjectSummary].asJava
) // after file is deleted it is empty again
val s3ObjectMetadataMock = mock[ObjectMetadata]
val amazonS3Mock = mock[AmazonS3]
when(amazonS3Mock.listObjectsV2(any[ListObjectsV2Request]())).thenReturn(s3ResultsMock)
when(amazonS3Mock.putObject(testBucket.value, testFilePath.toString, sourceTestFile)).thenReturn(s3PutMock)
when(amazonS3Mock.getObject(any[GetObjectRequest](), any[File]())).thenReturn(s3ObjectMetadataMock)
when(amazonS3Mock.doesObjectExist(testBucket.value, testFilePath.toString)).thenReturn(
false, // before file is uploaded
true // after file is uploaded
)
val s3Storage = new S3Storage(amazonS3Mock, testBucket, scala.concurrent.ExecutionContext.global)
val filesBefore = Await.result(s3Storage.list(testDirPath).run, 10.seconds)
filesBefore shouldBe empty
val fileExistsBeforeUpload = Await.result(s3Storage.exists(testFilePath), 10.seconds)
fileExistsBeforeUpload should be(false)
Await.result(s3Storage.upload(sourceTestFile, testFilePath), 10.seconds)
val filesAfterUpload = Await.result(s3Storage.list(testDirPath).run, 10.seconds)
filesAfterUpload.size should be(1)
val fileExistsAfterUpload = Await.result(s3Storage.exists(testFilePath), 10.seconds)
fileExistsAfterUpload should be(true)
val uploadedFileLine = filesAfterUpload.head
uploadedFileLine.name should be(Name[File](testFileName))
uploadedFileLine.location should be(testFilePath)
uploadedFileLine.revision.id.length should be > 0
uploadedFileLine.lastModificationDate.millis should be > 0L
val downloadedFile = Await.result(s3Storage.download(testFilePath).run, 10.seconds)
downloadedFile shouldBe defined
downloadedFile.foreach {
_.getAbsolutePath.endsWith(testFilePath.toString) should be(true)
}
Await.result(s3Storage.delete(testFilePath), 10.seconds)
val filesAfterRemoval = Await.result(s3Storage.list(testDirPath).run, 10.seconds)
filesAfterRemoval shouldBe empty
}
"Filesystem files storage" should "create and download local files and do other operations" in {
val tempDir = System.getProperty("java.io.tmpdir")
val sourceTestFile = generateTestLocalFile(tempDir)
val randomFolderName = java.util.UUID.randomUUID().toString
val testDirPath = Paths.get(tempDir, randomFolderName)
val testFilePath = Paths.get(tempDir, randomFolderName, "uploadTestFile")
val fileStorage = new FileSystemStorage(scala.concurrent.ExecutionContext.global)
val filesBefore = Await.result(fileStorage.list(testDirPath).run, 10.seconds)
filesBefore shouldBe empty
val fileExistsBeforeUpload = Await.result(fileStorage.exists(testFilePath), 10.seconds)
fileExistsBeforeUpload should be(false)
Await.result(fileStorage.upload(sourceTestFile, testFilePath), 10.seconds)
val filesAfterUpload = Await.result(fileStorage.list(testDirPath).run, 10.seconds)
filesAfterUpload.size should be(1)
val fileExistsAfterUpload = Await.result(fileStorage.exists(testFilePath), 10.seconds)
fileExistsAfterUpload should be(true)
val uploadedFileLine = filesAfterUpload.head
uploadedFileLine.name should be(Name[File]("uploadTestFile"))
uploadedFileLine.location should be(testFilePath)
uploadedFileLine.revision.id.length should be > 0
uploadedFileLine.lastModificationDate.millis should be > 0L
val downloadedFile = Await.result(fileStorage.download(testFilePath).run, 10.seconds)
downloadedFile shouldBe defined
downloadedFile.map(_.getAbsolutePath) should be(Some(testFilePath.toString))
Await.result(fileStorage.delete(testFilePath), 10.seconds)
val filesAfterRemoval = Await.result(fileStorage.list(testDirPath).run, 10.seconds)
filesAfterRemoval shouldBe empty
}
"Google Cloud Storage" should "upload and download files" in {
import com.google.api.gax.paging.Page
import com.google.cloud.storage.{Blob, Bucket, Storage}
import Bucket.BlobWriteOption
import Storage.BlobListOption
import scala.collection.JavaConverters._
val tempDir = System.getProperty("java.io.tmpdir")
val sourceTestFile = generateTestLocalFile(tempDir)
val testFileName = "uploadTestFile"
val randomFolderName = java.util.UUID.randomUUID().toString
val testDirPath = Paths.get(randomFolderName)
val testFilePath = Paths.get(randomFolderName, testFileName)
val testBucket = Name[Bucket]("IamBucket")
val gcsMock = mock[Storage]
val pageMock = mock[Page[Blob]]
val bucketMock = mock[Bucket]
val blobMock = mock[Blob]
when(blobMock.getName).thenReturn(testFileName)
when(blobMock.getGeneration).thenReturn(1000L)
when(blobMock.getUpdateTime).thenReturn(1493422254L)
when(blobMock.getSize).thenReturn(12345L)
when(blobMock.getContent()).thenReturn(Array[Byte](1, 2, 3))
val gcsStorage = new GcsStorage(gcsMock, testBucket, scala.concurrent.ExecutionContext.global)
when(pageMock.iterateAll()).thenReturn(
Iterable[Blob]().asJava,
Iterable[Blob](blobMock).asJava,
Iterable[Blob]().asJava
)
when(gcsMock.list(testBucket.value, BlobListOption.currentDirectory(), BlobListOption.prefix(s"$testDirPath/")))
.thenReturn(pageMock)
when(gcsMock.get(testBucket.value, testFilePath.toString)).thenReturn(
null, // before file is uploaded
blobMock // after file is uploaded
)
val filesBefore = Await.result(gcsStorage.list(testDirPath).run, 10.seconds)
filesBefore shouldBe empty
val fileExistsBeforeUpload = Await.result(gcsStorage.exists(testFilePath), 10.seconds)
fileExistsBeforeUpload should be(false)
when(gcsMock.get(testBucket.value)).thenReturn(bucketMock)
when(gcsMock.get(testBucket.value, testFilePath.toString)).thenReturn(blobMock)
when(bucketMock.create(org.mockito.Matchers.eq(testFileName), any[FileInputStream], any[BlobWriteOption]))
.thenReturn(blobMock)
Await.result(gcsStorage.upload(sourceTestFile, testFilePath), 10.seconds)
val filesAfterUpload = Await.result(gcsStorage.list(testDirPath).run, 10.seconds)
filesAfterUpload.size should be(1)
val fileExistsAfterUpload = Await.result(gcsStorage.exists(testFilePath), 10.seconds)
fileExistsAfterUpload should be(true)
val downloadedFile = Await.result(gcsStorage.download(testFilePath).run, 10.seconds)
downloadedFile shouldBe defined
downloadedFile.foreach {
_.getAbsolutePath should endWith(testFilePath.toString)
}
Await.result(gcsStorage.delete(testFilePath), 10.seconds)
val filesAfterRemoval = Await.result(gcsStorage.list(testDirPath).run, 10.seconds)
filesAfterRemoval shouldBe empty
}
private def generateTestLocalFile(path: String): File = {
val randomSourceFolderName = java.util.UUID.randomUUID().toString
val sourceTestFile = new File(Paths.get(path, randomSourceFolderName, "uploadTestFile").toString)
sourceTestFile.getParentFile.mkdirs() should be(true)
sourceTestFile.createNewFile() should be(true)
using(new java.io.PrintWriter(sourceTestFile)) { _.append("Test File Contents") }
sourceTestFile
}
}