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minio/xl-v1-metadata_test.go

86 lines
2.2 KiB

/*
* Minio Cloud Storage, (C) 2015, 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 (
"testing"
)
// Test cases for xlMetaV1{}
func TestXLMetaV1(t *testing.T) {
fiveMB := int64(5 * 1024 * 1024)
testCases := []struct {
partNum int
partName string
etag string
size int64
index int
}{
{5, "part.5", "etag5", fiveMB + 5, 3},
{4, "part.4", "etag4", fiveMB + 4, 2},
{7, "part.7", "etag7", fiveMB + 7, 4},
{2, "part.2", "etag2", fiveMB + 2, 1},
{1, "part.1", "etag1", fiveMB + 1, 0},
}
// Create a XLMetaV1 structure to test on.
meta := newXLMetaV1(8, 8)
// Add 5 parts.
for _, test := range testCases {
meta.AddObjectPart(test.partNum, test.partName, test.etag, test.size)
}
// Test for ObjectPartIndex()
for i, test := range testCases {
expected := test.index
got := meta.ObjectPartIndex(test.partNum)
if expected != got {
t.Errorf("Test %d: Expected %d, obtained %d", i+1, expected, got)
}
}
offsetCases := []struct {
offset int64
partIndex int
partOffset int64
}{
{4 * 1024 * 1024, 0, 4 * 1024 * 1024},
{8 * 1024 * 1024, 1, 3145727},
{12 * 1024 * 1024, 2, 2097149},
{16 * 1024 * 1024, 3, 1048569},
{20 * 1024 * 1024, 3, 5242873},
{24 * 1024 * 1024, 4, 4194292},
}
// Test for ObjectToPartOffset()
for i, test := range offsetCases {
expectedIndex := test.partIndex
expectedOffset := test.partOffset
gotIndex, gotOffset, err := meta.ObjectToPartOffset(test.offset)
if err != nil {
t.Errorf("Test %d: %s", i+1, err)
}
if gotIndex != expectedIndex {
t.Errorf("Test %d: Expected %v got %v", i+1, expectedIndex, gotIndex)
}
if gotOffset != expectedOffset {
t.Errorf("Test %d: Expected %v got %v", i+1, expectedOffset, gotOffset)
}
}
}