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minio/cmd/config/storageclass/storage-class_test.go

163 lines
4.0 KiB

/*
* MinIO Cloud Storage, (C) 2017-2019 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 storageclass
import (
"errors"
"reflect"
"testing"
)
func TestParseStorageClass(t *testing.T) {
tests := []struct {
storageClassEnv string
wantSc StorageClass
expectedError error
}{
{"EC:3", StorageClass{
Parity: 3},
nil},
{"EC:4", StorageClass{
Parity: 4},
nil},
{"AB:4", StorageClass{
Parity: 4},
errors.New("Unsupported scheme AB. Supported scheme is EC")},
{"EC:4:5", StorageClass{
Parity: 4},
errors.New("Too many sections in EC:4:5")},
{"EC:A", StorageClass{
Parity: 4},
errors.New(`strconv.Atoi: parsing "A": invalid syntax`)},
{"AB", StorageClass{
Parity: 4},
errors.New("Too few sections in AB")},
}
for i, tt := range tests {
gotSc, err := parseStorageClass(tt.storageClassEnv)
if err != nil && tt.expectedError == nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if err == nil && tt.expectedError != nil {
t.Errorf("Test %d, Expected %s, got %s", i+1, tt.expectedError, err)
return
}
if tt.expectedError == nil && !reflect.DeepEqual(gotSc, tt.wantSc) {
t.Errorf("Test %d, Expected %v, got %v", i+1, tt.wantSc, gotSc)
return
}
if tt.expectedError != nil && err.Error() != tt.expectedError.Error() {
t.Errorf("Test %d, Expected `%v`, got `%v`", i+1, tt.expectedError, err)
}
}
}
func TestValidateParity(t *testing.T) {
tests := []struct {
rrsParity int
ssParity int
success bool
drivesPerSet int
}{
{2, 4, true, 16},
{3, 3, true, 16},
{0, 0, true, 16},
{1, 4, false, 16},
{7, 6, false, 16},
{9, 0, false, 16},
{9, 9, false, 16},
{2, 9, false, 16},
{9, 2, false, 16},
}
for i, tt := range tests {
err := validateParity(tt.ssParity, tt.rrsParity, tt.drivesPerSet)
if err != nil && tt.success {
t.Errorf("Test %d, Expected success, got %s", i+1, err)
}
if err == nil && !tt.success {
t.Errorf("Test %d, Expected failure, got success", i+1)
}
}
}
func TestParityCount(t *testing.T) {
tests := []struct {
sc string
disksCount int
expectedData int
expectedParity int
}{
{RRS, 16, 14, 2},
{STANDARD, 16, 8, 8},
{"", 16, 8, 8},
{RRS, 16, 9, 7},
{STANDARD, 16, 10, 6},
{"", 16, 9, 7},
}
for i, tt := range tests {
scfg := Config{
Standard: StorageClass{
Parity: 8,
},
RRS: StorageClass{
Parity: 0,
},
}
// Set env var for test case 4
if i+1 == 4 {
scfg.RRS.Parity = 7
}
// Set env var for test case 5
if i+1 == 5 {
scfg.Standard.Parity = 6
}
// Set env var for test case 6
if i+1 == 6 {
scfg.Standard.Parity = 7
}
parity := scfg.GetParityForSC(tt.sc)
if (tt.disksCount - parity) != tt.expectedData {
t.Errorf("Test %d, Expected data disks %d, got %d", i+1, tt.expectedData, tt.disksCount-parity)
continue
}
if parity != tt.expectedParity {
t.Errorf("Test %d, Expected parity disks %d, got %d", i+1, tt.expectedParity, parity)
}
}
}
// Test IsValid method with valid and invalid inputs
func TestIsValidStorageClassKind(t *testing.T) {
tests := []struct {
sc string
want bool
}{
{"STANDARD", true},
{"REDUCED_REDUNDANCY", true},
{"", false},
{"INVALID", false},
{"123", false},
{"MINIO_STORAGE_CLASS_RRS", false},
{"MINIO_STORAGE_CLASS_STANDARD", false},
}
for i, tt := range tests {
if got := IsValid(tt.sc); got != tt.want {
t.Errorf("Test %d, Expected Storage Class to be %t, got %t", i+1, tt.want, got)
}
}
}