hugo/cache/filecache/filecache_pruner_test.go

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// Copyright 2018 The Hugo Authors. All rights reserved.
//
// 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 filecache
import (
"fmt"
"testing"
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
)
func TestPrune(t *testing.T) {
t.Parallel()
assert := require.New(t)
configStr := `
resourceDir = "myresources"
contentDir = "content"
dataDir = "data"
i18nDir = "i18n"
layoutDir = "layouts"
assetDir = "assets"
archeTypedir = "archetypes"
[caches]
[caches.getjson]
maxAge = "200ms"
dir = "/cache/c"
[caches.getcsv]
maxAge = "200ms"
dir = "/cache/d"
[caches.assets]
maxAge = "200ms"
dir = ":resourceDir/_gen"
[caches.images]
maxAge = "200ms"
dir = ":resourceDir/_gen"
`
for _, name := range []string{cacheKeyGetCSV, cacheKeyGetJSON, cacheKeyAssets, cacheKeyImages} {
msg := fmt.Sprintf("cache: %s", name)
p := newPathsSpec(t, afero.NewMemMapFs(), configStr)
caches, err := NewCaches(p)
assert.NoError(err)
cache := caches[name]
for i := 0; i < 10; i++ {
id := fmt.Sprintf("i%d", i)
cache.GetOrCreateBytes(id, func() ([]byte, error) {
return []byte("abc"), nil
})
if i == 4 {
// This will expire the first 5
time.Sleep(201 * time.Millisecond)
}
}
count, err := caches.Prune()
assert.NoError(err)
assert.Equal(5, count, msg)
for i := 0; i < 10; i++ {
id := fmt.Sprintf("i%d", i)
v := cache.getString(id)
if i < 5 {
assert.Equal("", v, id)
} else {
assert.Equal("abc", v, id)
}
}
caches, err = NewCaches(p)
assert.NoError(err)
cache = caches[name]
// Touch one and then prune.
cache.GetOrCreateBytes("i5", func() ([]byte, error) {
return []byte("abc"), nil
})
count, err = caches.Prune()
assert.NoError(err)
assert.Equal(4, count)
// Now only the i5 should be left.
for i := 0; i < 10; i++ {
id := fmt.Sprintf("i%d", i)
v := cache.getString(id)
if i != 5 {
assert.Equal("", v, id)
} else {
assert.Equal("abc", v, id)
}
}
}
}