minio/object-api-multipart_test.go

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/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path"
"testing"
)
// Tests validate creation of new multipart upload instance.
func TestObjectNewMultipartUpload(t *testing.T) {
directory, e := ioutil.TempDir("", "minio-multipart-1-test")
if e != nil {
t.Fatal(e)
}
defer os.RemoveAll(directory)
// Initialize fs layer.
fs, e := newFS(directory)
if e != nil {
t.Fatal(e)
}
// Initialize object layer.
obj := newObjectLayer(fs)
bucket := "minio-bucket"
object := "minio-object"
errMsg := "Bucket not found: minio-bucket"
// opearation expected to fail since the bucket on which NewMultipartUpload is being initiated doesn't exist.
uploadID, err := obj.NewMultipartUpload(bucket, object)
if err == nil {
t.Fatalf("Expcected to fail since the NewMultipartUpload is intialized on a non-existant bucket.")
}
if errMsg != err.ToGoError().Error() {
t.Errorf("Expected to fail with Error \"%s\", but instead found \"%s\".", errMsg, err.ToGoError().Error())
}
// Create bucket before intiating NewMultipartUpload.
err = obj.MakeBucket(bucket)
if err != nil {
// failed to create newbucket, abort.
t.Fatal(err.ToGoError())
}
uploadID, err = obj.NewMultipartUpload(bucket, object)
if err != nil {
t.Fatal(err.ToGoError())
}
uploadIDPath := path.Join(bucket, object, uploadID)
_, e = obj.storage.StatFile(minioMetaVolume, uploadIDPath)
if e != nil {
if e == errFileNotFound {
t.Fatalf("New Multipart upload failed to create uuid file.")
}
t.Fatalf(e.Error())
}
}
// Tests validates the validator for existence of uploadID.
func TestObjectAPIIsUploadIDExists(t *testing.T) {
directory, e := ioutil.TempDir("", "minio-multipart-2-test")
if e != nil {
t.Fatal(e)
}
defer os.RemoveAll(directory)
// Initialize fs layer.
fs, e := newFS(directory)
if e != nil {
t.Fatal(e)
}
// Initialize object layer.
obj := newObjectLayer(fs)
bucket := "minio-bucket"
object := "minio-object"
// Create bucket before intiating NewMultipartUpload.
err := obj.MakeBucket(bucket)
if err != nil {
// Failed to create newbucket, abort.
t.Fatal(err.ToGoError())
}
// UploadID file shouldn't exist.
isExists, e := obj.isUploadIDExists(bucket, object, "abc")
if e == nil && isExists {
t.Fatal("Expected uploadIDPath to not to exist.")
}
uploadID, err := obj.NewMultipartUpload(bucket, object)
if err != nil {
t.Fatal(err.ToGoError())
}
// UploadID file should exist.
isExists, e = obj.isUploadIDExists(bucket, object, uploadID)
if e != nil {
t.Fatal(e.Error())
}
if !isExists {
t.Fatal("Expected uploadIDPath to exist.")
}
}
// Tests validate correctness of PutObjectPart.
func TestObjectAPIPutObjectPart(t *testing.T) {
// Generating cases for which the PutObjectPart fails.
directory, e := ioutil.TempDir("", "minio-multipart-3-test")
if e != nil {
t.Fatal(e)
}
defer os.RemoveAll(directory)
// Initializing fs layer.
fs, e := newFS(directory)
if e != nil {
t.Fatal(e)
}
bucket := "minio-bucket"
object := "minio-object"
// Initializing object layer.
obj := newObjectLayer(fs)
// Create bucket before intiating NewMultipartUpload.
err := obj.MakeBucket(bucket)
if err != nil {
// Failed to create newbucket, abort.
t.Fatal(err.ToGoError())
}
// Initiate Multipart Upload on the above created bucket.
uploadID, err := obj.NewMultipartUpload(bucket, object)
if err != nil {
// Failed to create NewMultipartUpload, abort.
t.Fatal(err.ToGoError())
}
// Creating a dummy bucket for tests.
err = obj.MakeBucket("unused-bucket")
if err != nil {
// Failed to create newbucket, abort.
t.Fatal(err.ToGoError())
}
failCases := []struct {
bucketName string
objName string
uploadID string
PartID int
inputReaderData string
inputMd5 string
intputDataSize int64
// flag indicating whether the test should pass.
shouldPass bool
// expected error output.
expectedMd5 string
expectedError error
}{
// Test case 1-4.
// Cases with invalid bucket name.
{".test", "obj", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket name invalid: .test")},
{"------", "obj", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket name invalid: ------")},
{"$this-is-not-valid-too", "obj", "", 1, "", "", 0, false, "",
fmt.Errorf("%s", "Bucket name invalid: $this-is-not-valid-too")},
{"a", "obj", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket name invalid: a")},
// Test case - 5.
// Case with invalid object names.
{"abc", "", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Object name invalid: abc#")},
// Test case - 6.
// Valid object and bucket names but non-existent bucket.
{"abc", "def", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket not found: abc")},
// Test Case - 7.
// Existing bucket, but using a bucket on which NewMultipartUpload is not Initiated.
{"unused-bucket", "def", "xyz", 1, "", "", 0, false, "", fmt.Errorf("%s", "Invalid upload id xyz")},
// Test Case - 8.
// Existing bucket, object name different from which NewMultipartUpload is constructed from.
// Expecting "Invalid upload id".
{bucket, "def", "xyz", 1, "", "", 0, false, "", fmt.Errorf("%s", "Invalid upload id xyz")},
// Test Case - 9.
// Existing bucket, bucket and object name are the ones from which NewMultipartUpload is constructed from.
// But the uploadID is invalid.
// Expecting "Invalid upload id".
{bucket, object, "xyz", 1, "", "", 0, false, "", fmt.Errorf("%s", "Invalid upload id xyz")},
// Test Case - 10.
// Case with valid UploadID, existing bucket name.
// But using the bucket name from which NewMultipartUpload is not constructed from.
{"unused-bucket", object, uploadID, 1, "", "", 0, false, "", fmt.Errorf("%s", "Invalid upload id "+uploadID)},
// Test Case - 10.
// Case with valid UploadID, existing bucket name.
// But using the object name from which NewMultipartUpload is not constructed from.
{bucket, "none-object", uploadID, 1, "", "", 0, false, "", fmt.Errorf("%s", "Invalid upload id "+uploadID)},
// Test case - 11.
// Input to replicate Md5 mismatch.
{bucket, object, uploadID, 1, "", "a35", 0, false, "",
fmt.Errorf("%s", "Bad digest expected a35 is not valid with what we calculated "+"d41d8cd98f00b204e9800998ecf8427e")},
// Test case - 12.
// Input with size more than the size of actual data inside the reader.
{bucket, object, uploadID, 1, "abcd", "a35", int64(len("abcd") + 1), false, "", fmt.Errorf("%s", "EOF")},
// Test case - 13.
// Input with size less than the size of actual data inside the reader.
{bucket, object, uploadID, 1, "abcd", "a35", int64(len("abcd") - 1), false, "",
fmt.Errorf("%s", "Contains more data than specified size of 3 bytes.")},
// Test case - 14-17.
// Validating for success cases.
{bucket, object, uploadID, 1, "abcd", "e2fc714c4727ee9395f324cd2e7f331f", int64(len("abcd")), true, "", nil},
{bucket, object, uploadID, 2, "efgh", "1f7690ebdd9b4caf8fab49ca1757bf27", int64(len("efgh")), true, "", nil},
{bucket, object, uploadID, 3, "ijkl", "09a0877d04abf8759f99adec02baf579", int64(len("abcd")), true, "", nil},
{bucket, object, uploadID, 4, "mnop", "e132e96a5ddad6da8b07bba6f6131fef", int64(len("abcd")), true, "", nil},
}
for i, testCase := range failCases {
actualMd5Hex, actualErr := obj.PutObjectPart(testCase.bucketName, testCase.objName, testCase.uploadID, testCase.PartID, testCase.intputDataSize,
bytes.NewBufferString(testCase.inputReaderData), testCase.inputMd5)
// All are test cases above are expected to fail.
if actualErr != nil && testCase.shouldPass {
t.Errorf("Test %d: Expected to pass, but failed with: <ERROR> %s.", i+1, actualErr.ToGoError().Error())
}
if actualErr == nil && !testCase.shouldPass {
t.Errorf("Test %d: Expected to fail with <ERROR> \"%s\", but passed instead.", i+1, testCase.expectedError.Error())
}
// Failed as expected, but does it fail for the expected reason.
if actualErr != nil && !testCase.shouldPass {
if testCase.expectedError.Error() != actualErr.ToGoError().Error() {
t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead.", i+1,
testCase.expectedError.Error(), actualErr.ToGoError().Error())
}
}
// Since there are cases for which ListObjects fails, this is necessary.
// Test passes as expected, but the output values are verified for correctness here.
if actualErr == nil && testCase.shouldPass {
// Asserting whether the md5 output is correct.
if testCase.inputMd5 != actualMd5Hex {
t.Errorf("Test %d: Calculated Md5 different from the actual one %s.", i+1, actualMd5Hex)
}
partSuffix := fmt.Sprintf("%s.%d.%s", uploadID, testCase.PartID, testCase.inputMd5)
// Verifying whether the part file is created.
_, e := obj.storage.StatFile(minioMetaVolume, path.Join(bucket, object, partSuffix))
if e != nil {
t.Errorf("Test %d: Failed to create the Part file.", i+1)
}
}
}
}