s3store: Remove test for handling unexpected EOF

The store must no longer handle unexpected EOFs since this is convered by the handler.
See the previous commits for more details

pkg/s3store/s3store_test.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io"
 	"io/ioutil"
 	"strings"
 	"testing"
@@ -764,72 +763,6 @@ func TestWriteChunk(t *testing.T) {
 	assert.Equal(int64(14), bytesRead)
 }
 
-// TestWriteChunkWithUnexpectedEOF ensures that WriteChunk does not error out
-// if the io.Reader returns an io.ErrUnexpectedEOF. This happens when a HTTP
-// PATCH request gets interrupted.
-func TestWriteChunkWithUnexpectedEOF(t *testing.T) {
-	mockCtrl := gomock.NewController(t)
-	defer mockCtrl.Finish()
-	assert := assert.New(t)
-
-	s3obj := NewMockS3API(mockCtrl)
-	store := New("bucket", s3obj)
-	store.MaxPartSize = 500
-	store.MinPartSize = 100
-	store.PreferredPartSize = 100
-	store.MaxMultipartParts = 10000
-	store.MaxObjectSize = 5 * 1024 * 1024 * 1024 * 1024
-
-	s3obj.EXPECT().GetObjectWithContext(context.Background(), &s3.GetObjectInput{
-		Bucket: aws.String("bucket"),
-		Key:    aws.String("uploadId.info"),
-	}).Return(&s3.GetObjectOutput{
-		Body: ioutil.NopCloser(bytes.NewReader([]byte(`{"ID":"uploadId","Size":500,"Offset":0,"MetaData":null,"IsPartial":false,"IsFinal":false,"PartialUploads":null,"Storage":null}`))),
-	}, nil)
-	s3obj.EXPECT().ListPartsWithContext(context.Background(), &s3.ListPartsInput{
-		Bucket:           aws.String("bucket"),
-		Key:              aws.String("uploadId"),
-		UploadId:         aws.String("multipartId"),
-		PartNumberMarker: aws.Int64(0),
-	}).Return(&s3.ListPartsOutput{
-		Parts: []*s3.Part{
-			{
-				Size: aws.Int64(100),
-			},
-			{
-				Size: aws.Int64(200),
-			},
-		},
-	}, nil).Times(2)
-	s3obj.EXPECT().GetObjectWithContext(context.Background(), &s3.GetObjectInput{
-		Bucket: aws.String("bucket"),
-		Key:    aws.String("uploadId.part"),
-	}).Return(&s3.GetObjectOutput{}, awserr.New("NoSuchKey", "Not found", nil))
-	s3obj.EXPECT().GetObjectWithContext(context.Background(), &s3.GetObjectInput{
-		Bucket: aws.String("bucket"),
-		Key:    aws.String("uploadId.part"),
-	}).Return(&s3.GetObjectOutput{}, awserr.New("NoSuchKey", "The specified key does not exist.", nil))
-	s3obj.EXPECT().PutObjectWithContext(context.Background(), NewPutObjectInputMatcher(&s3.PutObjectInput{
-		Bucket: aws.String("bucket"),
-		Key:    aws.String("uploadId.part"),
-		Body:   bytes.NewReader([]byte("1234567890ABCD")),
-	})).Return(nil, nil)
-
-	reader, writer := io.Pipe()
-
-	go func() {
-		writer.Write([]byte("1234567890ABCD"))
-		writer.CloseWithError(io.ErrUnexpectedEOF)
-	}()
-
-	upload, err := store.GetUpload(context.Background(), "uploadId+multipartId")
-	assert.Nil(err)
-
-	bytesRead, err := upload.WriteChunk(context.Background(), 300, reader)
-	assert.Nil(err)
-	assert.Equal(int64(14), bytesRead)
-}
-
 func TestWriteChunkWriteIncompletePartBecauseTooSmall(t *testing.T) {
 	mockCtrl := gomock.NewController(t)
 	defer mockCtrl.Finish()