/*
* MinIO Cloud Storage, (C) 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 lifecycle
import (
"bytes"
"encoding/xml"
"fmt"
"testing"
"time"
)
func TestParseLifecycleConfig(t *testing.T) {
// Test for lifecycle config with more than 1000 rules
var manyRules []Rule
rule := Rule{
Status: "Enabled",
Expiration: Expiration{Days: ExpirationDays(3)},
}
for i := 0; i < 1001; i++ {
manyRules = append(manyRules, rule)
}
manyRuleLcConfig, err := xml.Marshal(Lifecycle{Rules: manyRules})
if err != nil {
t.Fatal("Failed to marshal lifecycle config with more than 1000 rules")
}
// Test for lifecycle config with rules containing overlapping prefixes
rule1 := Rule{
Status: "Enabled",
Expiration: Expiration{Days: ExpirationDays(3)},
Filter: Filter{
Prefix: "/a/b",
},
}
rule2 := Rule{
Status: "Enabled",
Expiration: Expiration{Days: ExpirationDays(3)},
Filter: Filter{
Prefix: "/a/b/c",
},
}
overlappingRules := []Rule{rule1, rule2}
overlappingLcConfig, err := xml.Marshal(Lifecycle{Rules: overlappingRules})
if err != nil {
t.Fatal("Failed to marshal lifecycle config with rules having overlapping prefix")
}
testCases := []struct {
inputConfig string
expectedErr error
}{
{ // Valid lifecycle config
inputConfig: `<LifecycleConfiguration>
<Rule>
<Filter>
<Prefix>prefix</Prefix>
</Filter>
<Status>Enabled</Status>
<Expiration><Days>3</Days></Expiration>
</Rule>
<Rule>
<Filter>
<Prefix>another-prefix</Prefix>
</Filter>
<Status>Enabled</Status>
<Expiration><Days>3</Days></Expiration>
</Rule>
</LifecycleConfiguration>`,
expectedErr: nil,
},
{ // lifecycle config with no rules
inputConfig: `<LifecycleConfiguration>
</LifecycleConfiguration>`,
expectedErr: errLifecycleNoRule,
},
{ // lifecycle config with more than 1000 rules
inputConfig: string(manyRuleLcConfig),
expectedErr: errLifecycleTooManyRules,
},
{ // lifecycle config with rules having overlapping prefix
inputConfig: string(overlappingLcConfig),
expectedErr: errLifecycleOverlappingPrefix,
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("Test %d", i+1), func(t *testing.T) {
var err error
if _, err = ParseLifecycleConfig(bytes.NewReader([]byte(tc.inputConfig))); err != tc.expectedErr {
t.Fatalf("%d: Expected %v but got %v", i+1, tc.expectedErr, err)
}
})
}
}
// TestMarshalLifecycleConfig checks if lifecycleconfig xml
// marshaling/unmarshaling can handle output from each other
func TestMarshalLifecycleConfig(t *testing.T) {
// Time at midnight UTC
midnightTS := ExpirationDate{time.Date(2019, time.April, 20, 0, 0, 0, 0, time.UTC)}
lc := Lifecycle{
Rules: []Rule{
{
Status: "Enabled",
Filter: Filter{Prefix: "prefix-1"},
Expiration: Expiration{Days: ExpirationDays(3)},
},
{
Status: "Enabled",
Filter: Filter{Prefix: "prefix-1"},
Expiration: Expiration{Date: ExpirationDate(midnightTS)},
},
},
}
b, err := xml.MarshalIndent(&lc, "", "\t")
if err != nil {
t.Fatal(err)
}
var lc1 Lifecycle
err = xml.Unmarshal(b, &lc1)
if err != nil {
t.Fatal(err)
}
ruleSet := make(map[string]struct{})
for _, rule := range lc.Rules {
ruleBytes, err := xml.Marshal(rule)
if err != nil {
t.Fatal(err)
}
ruleSet[string(ruleBytes)] = struct{}{}
}
for _, rule := range lc1.Rules {
ruleBytes, err := xml.Marshal(rule)
if err != nil {
t.Fatal(err)
}
if _, ok := ruleSet[string(ruleBytes)]; !ok {
t.Fatalf("Expected %v to be equal to %v, %v missing", lc, lc1, rule)
}
}
}
func TestComputeActions(t *testing.T) {
testCases := []struct {
inputConfig string
objectName string
objectModTime time.Time
expectedAction Action
}{
// Empty object name (unexpected case) should always return NoneAction
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>prefix</Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,
expectedAction: NoneAction,
},
// Disabled should always return NoneAction
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Disabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foodir/fooobject",
objectModTime: time.Now().UTC().Add(-10 * 24 * time.Hour), // Created 10 days ago
expectedAction: NoneAction,
},
// Prefix not matched
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foxdir/fooobject",
objectModTime: time.Now().UTC().Add(-10 * 24 * time.Hour), // Created 10 days ago
expectedAction: NoneAction,
},
// Too early to remove (test Days)
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foxdir/fooobject",
objectModTime: time.Now().UTC().Add(-10 * 24 * time.Hour), // Created 10 days ago
expectedAction: NoneAction,
},
// Should remove (test Days)
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foodir/fooobject",
objectModTime: time.Now().UTC().Add(-6 * 24 * time.Hour), // Created 6 days ago
expectedAction: DeleteAction,
},
// Too early to remove (test Date)
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Date>` + time.Now().Truncate(24*time.Hour).UTC().Add(24*time.Hour).Format(time.RFC3339) + `</Date></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foodir/fooobject",
objectModTime: time.Now().UTC().Add(-24 * time.Hour), // Created 1 day ago
expectedAction: NoneAction,
},
// Should remove (test Days)
{
inputConfig: `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Date>` + time.Now().Truncate(24*time.Hour).UTC().Add(-24*time.Hour).Format(time.RFC3339) + `</Date></Expiration></Rule></LifecycleConfiguration>`,
objectName: "foodir/fooobject",
objectModTime: time.Now().UTC().Add(-24 * time.Hour), // Created 1 day ago
expectedAction: DeleteAction,
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("Test %d", i+1), func(t *testing.T) {
lc, err := ParseLifecycleConfig(bytes.NewReader([]byte(tc.inputConfig)))
if err != nil {
t.Fatalf("%d: Got unexpected error: %v", i+1, err)
}
if resultAction := lc.ComputeAction(tc.objectName, tc.objectModTime); resultAction != tc.expectedAction {
t.Fatalf("%d: Expected action: `%v`, got: `%v`", i+1, tc.expectedAction, resultAction)
}
})
}
}