github.com/kovansky/hugo@v0.92.3-0.20220224232819-63076e4ff19f/cache/filecache/filecache_pruner_test.go (about)

     1  // Copyright 2018 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package filecache
    15  
    16  import (
    17  	"fmt"
    18  	"testing"
    19  	"time"
    20  
    21  	"github.com/spf13/afero"
    22  
    23  	qt "github.com/frankban/quicktest"
    24  )
    25  
    26  func TestPrune(t *testing.T) {
    27  	t.Parallel()
    28  
    29  	c := qt.New(t)
    30  
    31  	configStr := `
    32  resourceDir = "myresources"
    33  contentDir = "content"
    34  dataDir = "data"
    35  i18nDir = "i18n"
    36  layoutDir = "layouts"
    37  assetDir = "assets"
    38  archeTypedir = "archetypes"
    39  
    40  [caches]
    41  [caches.getjson]
    42  maxAge = "200ms"
    43  dir = "/cache/c"
    44  [caches.getcsv]
    45  maxAge = "200ms"
    46  dir = "/cache/d"
    47  [caches.assets]
    48  maxAge = "200ms"
    49  dir = ":resourceDir/_gen"
    50  [caches.images]
    51  maxAge = "200ms"
    52  dir = ":resourceDir/_gen"
    53  `
    54  
    55  	for _, name := range []string{cacheKeyGetCSV, cacheKeyGetJSON, cacheKeyAssets, cacheKeyImages} {
    56  		msg := qt.Commentf("cache: %s", name)
    57  		p := newPathsSpec(t, afero.NewMemMapFs(), configStr)
    58  		caches, err := NewCaches(p)
    59  		c.Assert(err, qt.IsNil)
    60  		cache := caches[name]
    61  		for i := 0; i < 10; i++ {
    62  			id := fmt.Sprintf("i%d", i)
    63  			cache.GetOrCreateBytes(id, func() ([]byte, error) {
    64  				return []byte("abc"), nil
    65  			})
    66  			if i == 4 {
    67  				// This will expire the first 5
    68  				time.Sleep(201 * time.Millisecond)
    69  			}
    70  		}
    71  
    72  		count, err := caches.Prune()
    73  		c.Assert(err, qt.IsNil)
    74  		c.Assert(count, qt.Equals, 5, msg)
    75  
    76  		for i := 0; i < 10; i++ {
    77  			id := fmt.Sprintf("i%d", i)
    78  			v := cache.getString(id)
    79  			if i < 5 {
    80  				c.Assert(v, qt.Equals, "")
    81  			} else {
    82  				c.Assert(v, qt.Equals, "abc")
    83  			}
    84  		}
    85  
    86  		caches, err = NewCaches(p)
    87  		c.Assert(err, qt.IsNil)
    88  		cache = caches[name]
    89  		// Touch one and then prune.
    90  		cache.GetOrCreateBytes("i5", func() ([]byte, error) {
    91  			return []byte("abc"), nil
    92  		})
    93  
    94  		count, err = caches.Prune()
    95  		c.Assert(err, qt.IsNil)
    96  		c.Assert(count, qt.Equals, 4)
    97  
    98  		// Now only the i5 should be left.
    99  		for i := 0; i < 10; i++ {
   100  			id := fmt.Sprintf("i%d", i)
   101  			v := cache.getString(id)
   102  			if i != 5 {
   103  				c.Assert(v, qt.Equals, "")
   104  			} else {
   105  				c.Assert(v, qt.Equals, "abc")
   106  			}
   107  		}
   108  
   109  	}
   110  }