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minio/cmd/disk-cache-utils_test.go

172 lines
6.1 KiB

/*
* 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 cmd
import (
"net/http"
"reflect"
"testing"
"time"
)
func TestGetCacheControlOpts(t *testing.T) {
expiry, _ := time.Parse(http.TimeFormat, "Wed, 21 Oct 2015 07:28:00 GMT")
testCases := []struct {
cacheControlHeaderVal string
expiryHeaderVal time.Time
expectedCacheControl *cacheControl
expectedErr bool
}{
{"", timeSentinel, nil, false},
{"max-age=2592000, public", timeSentinel, &cacheControl{maxAge: 2592000, sMaxAge: 0, minFresh: 0, expiry: time.Time{}}, false},
{"max-age=2592000, no-store", timeSentinel, &cacheControl{maxAge: 2592000, sMaxAge: 0, noStore: true, minFresh: 0, expiry: time.Time{}}, false},
{"must-revalidate, max-age=600", timeSentinel, &cacheControl{maxAge: 600, sMaxAge: 0, minFresh: 0, expiry: time.Time{}}, false},
{"s-maxAge=2500, max-age=600", timeSentinel, &cacheControl{maxAge: 600, sMaxAge: 2500, minFresh: 0, expiry: time.Time{}}, false},
{"s-maxAge=2500, max-age=600", expiry, &cacheControl{maxAge: 600, sMaxAge: 2500, minFresh: 0, expiry: time.Date(2015, time.October, 21, 07, 28, 00, 00, time.UTC)}, false},
{"s-maxAge=2500, max-age=600s", timeSentinel, &cacheControl{maxAge: 600, sMaxAge: 2500, minFresh: 0, expiry: time.Time{}}, true},
}
for _, testCase := range testCases {
t.Run("", func(t *testing.T) {
m := make(map[string]string)
m["cache-control"] = testCase.cacheControlHeaderVal
if testCase.expiryHeaderVal != timeSentinel {
m["expires"] = testCase.expiryHeaderVal.String()
}
c := cacheControlOpts(ObjectInfo{UserDefined: m, Expires: testCase.expiryHeaderVal})
if testCase.expectedErr && (c != nil) {
t.Errorf("expected err, got <nil>")
}
if !testCase.expectedErr && !reflect.DeepEqual(c, testCase.expectedCacheControl) {
t.Errorf("expected %v, got %v", testCase.expectedCacheControl, c)
}
})
}
}
func TestIsMetadataSame(t *testing.T) {
testCases := []struct {
m1 map[string]string
m2 map[string]string
expected bool
}{
{nil, nil, true},
{nil, map[string]string{}, false},
{map[string]string{"k": "v"}, map[string]string{"k": "v"}, true},
{map[string]string{"k": "v"}, map[string]string{"a": "b"}, false},
{map[string]string{"k1": "v1", "k2": "v2"}, map[string]string{"k1": "v1", "k2": "v1"}, false},
{map[string]string{"k1": "v1", "k2": "v2"}, map[string]string{"k1": "v1", "k2": "v2"}, true},
{map[string]string{"K1": "v1", "k2": "v2"}, map[string]string{"k1": "v1", "k2": "v2"}, false},
{map[string]string{"k1": "v1", "k2": "v2", "k3": "v3"}, map[string]string{"k1": "v1", "k2": "v2"}, false},
}
for i, testCase := range testCases {
actual := isMetadataSame(testCase.m1, testCase.m2)
if testCase.expected != actual {
t.Errorf("test %d expected %v, got %v", i, testCase.expected, actual)
}
}
}
func TestNewFileScorer(t *testing.T) {
fs, err := newFileScorer(1000, time.Now().Unix(), 10)
if err != nil {
t.Fatal(err)
}
if len(fs.fileNames()) != 0 {
t.Fatal("non zero files??")
}
now := time.Now()
fs.addFile("recent", now.Add(-time.Minute), 1000, 10)
fs.addFile("older", now.Add(-time.Hour), 1000, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"older"}) {
t.Fatal("unexpected file list", fs.queueString())
}
fs.reset()
fs.addFile("bigger", now.Add(-time.Minute), 2000, 10)
fs.addFile("recent", now.Add(-time.Minute), 1000, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"bigger"}) {
t.Fatal("unexpected file list", fs.queueString())
}
fs.reset()
fs.addFile("less", now.Add(-time.Minute), 1000, 5)
fs.addFile("recent", now.Add(-time.Minute), 1000, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"less"}) {
t.Fatal("unexpected file list", fs.queueString())
}
fs.reset()
fs.addFile("small", now.Add(-time.Minute), 200, 10)
fs.addFile("medium", now.Add(-time.Minute), 300, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"medium", "small"}) {
t.Fatal("unexpected file list", fs.queueString())
}
fs.addFile("large", now.Add(-time.Minute), 700, 10)
fs.addFile("xsmol", now.Add(-time.Minute), 7, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"large", "medium"}) {
t.Fatal("unexpected file list", fs.queueString())
}
fs.reset()
fs.addFile("less", now.Add(-time.Minute), 500, 5)
fs.addFile("recent", now.Add(-time.Minute), 500, 10)
if !fs.adjustSaveBytes(-500) {
t.Fatal("we should still need more bytes, got false")
}
// We should only need 500 bytes now.
if !reflect.DeepEqual(fs.fileNames(), []string{"less"}) {
t.Fatal("unexpected file list", fs.queueString())
}
if fs.adjustSaveBytes(-500) {
t.Fatal("we shouldn't need any more bytes, got true")
}
fs, err = newFileScorer(1000, time.Now().Unix(), 10)
if err != nil {
t.Fatal(err)
}
fs.addFile("bigger", now.Add(-time.Minute), 50, 10)
// sorting should be consistent after adjusting savebytes.
fs.adjustSaveBytes(-800)
fs.addFile("smaller", now.Add(-time.Minute), 40, 10)
if !reflect.DeepEqual(fs.fileNames(), []string{"bigger", "smaller"}) {
t.Fatal("unexpected file list", fs.queueString())
}
}
func TestBytesToClear(t *testing.T) {
testCases := []struct {
total int64
free int64
quotaPct uint64
watermarkLow uint64
expected uint64
}{
{1000, 800, 40, 90, 0},
{1000, 200, 40, 90, 400},
{1000, 400, 40, 90, 240},
{1000, 600, 40, 90, 40},
{1000, 600, 40, 70, 120},
{1000, 1000, 90, 70, 0},
{1000, 0, 90, 70, 370},
}
for i, tc := range testCases {
toClear := bytesToClear(tc.total, tc.free, tc.quotaPct, tc.watermarkLow)
if tc.expected != toClear {
t.Errorf("test %d expected %v, got %v", i, tc.expected, toClear)
}
}
}