hugo/cache/filecache/filecache_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"
"io"
"io/ioutil"
"os"
"path/filepath"
"regexp"
"strings"
"sync"
"testing"
"time"
"github.com/gohugoio/hugo/langs"
"github.com/gohugoio/hugo/modules"
"github.com/gohugoio/hugo/common/hugio"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
)
func TestFileCache(t *testing.T) {
t.Parallel()
assert := require.New(t)
tempWorkingDir, err := ioutil.TempDir("", "hugo_filecache_test_work")
assert.NoError(err)
defer os.Remove(tempWorkingDir)
tempCacheDir, err := ioutil.TempDir("", "hugo_filecache_test_cache")
assert.NoError(err)
defer os.Remove(tempCacheDir)
osfs := afero.NewOsFs()
for _, test := range []struct {
cacheDir string
workingDir string
}{
// Run with same dirs twice to make sure that works.
{tempCacheDir, tempWorkingDir},
{tempCacheDir, tempWorkingDir},
} {
configStr := `
workingDir = "WORKING_DIR"
resourceDir = "resources"
cacheDir = "CACHEDIR"
contentDir = "content"
dataDir = "data"
i18nDir = "i18n"
layoutDir = "layouts"
assetDir = "assets"
archeTypedir = "archetypes"
[caches]
[caches.getJSON]
maxAge = "10h"
dir = ":cacheDir/c"
`
winPathSep := "\\\\"
replacer := strings.NewReplacer("CACHEDIR", test.cacheDir, "WORKING_DIR", test.workingDir)
configStr = replacer.Replace(configStr)
configStr = strings.Replace(configStr, "\\", winPathSep, -1)
p := newPathsSpec(t, osfs, configStr)
caches, err := NewCaches(p)
assert.NoError(err)
cache := caches.Get("GetJSON")
assert.NotNil(cache)
assert.Equal("10h0m0s", cache.maxAge.String())
bfs, ok := cache.Fs.(*afero.BasePathFs)
assert.True(ok)
filename, err := bfs.RealPath("key")
assert.NoError(err)
if test.cacheDir != "" {
assert.Equal(filepath.Join(test.cacheDir, "c/"+filecacheRootDirname+"/getjson/key"), filename)
} else {
// Temp dir.
assert.Regexp(regexp.MustCompile(".*hugo_cache.*"+filecacheRootDirname+".*key"), filename)
}
cache = caches.Get("Images")
assert.NotNil(cache)
assert.Equal(time.Duration(-1), cache.maxAge)
bfs, ok = cache.Fs.(*afero.BasePathFs)
assert.True(ok)
filename, _ = bfs.RealPath("key")
assert.Equal(filepath.FromSlash("_gen/images/key"), filename)
rf := func(s string) func() (io.ReadCloser, error) {
return func() (io.ReadCloser, error) {
return struct {
io.ReadSeeker
io.Closer
}{
strings.NewReader(s),
ioutil.NopCloser(nil),
}, nil
}
}
bf := func() ([]byte, error) {
return []byte("bcd"), nil
}
for _, c := range []*Cache{caches.ImageCache(), caches.AssetsCache(), caches.GetJSONCache(), caches.GetCSVCache()} {
for i := 0; i < 2; i++ {
info, r, err := c.GetOrCreate("a", rf("abc"))
assert.NoError(err)
assert.NotNil(r)
assert.Equal("a", info.Name)
b, _ := ioutil.ReadAll(r)
r.Close()
assert.Equal("abc", string(b))
info, b, err = c.GetOrCreateBytes("b", bf)
assert.NoError(err)
assert.NotNil(r)
assert.Equal("b", info.Name)
assert.Equal("bcd", string(b))
_, b, err = c.GetOrCreateBytes("a", bf)
assert.NoError(err)
assert.Equal("abc", string(b))
_, r, err = c.GetOrCreate("a", rf("bcd"))
assert.NoError(err)
b, _ = ioutil.ReadAll(r)
r.Close()
assert.Equal("abc", string(b))
}
}
assert.NotNil(caches.Get("getJSON"))
info, w, err := caches.ImageCache().WriteCloser("mykey")
assert.NoError(err)
assert.Equal("mykey", info.Name)
io.WriteString(w, "Hugo is great!")
w.Close()
assert.Equal("Hugo is great!", caches.ImageCache().getString("mykey"))
info, r, err := caches.ImageCache().Get("mykey")
assert.NoError(err)
assert.NotNil(r)
assert.Equal("mykey", info.Name)
b, _ := ioutil.ReadAll(r)
r.Close()
assert.Equal("Hugo is great!", string(b))
info, b, err = caches.ImageCache().GetBytes("mykey")
assert.NoError(err)
assert.Equal("mykey", info.Name)
assert.Equal("Hugo is great!", string(b))
}
}
func TestFileCacheConcurrent(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 = "1s"
dir = "/cache/c"
`
p := newPathsSpec(t, afero.NewMemMapFs(), configStr)
caches, err := NewCaches(p)
assert.NoError(err)
const cacheName = "getjson"
filenameData := func(i int) (string, string) {
data := fmt.Sprintf("data: %d", i)
filename := fmt.Sprintf("file%d", i)
return filename, data
}
var wg sync.WaitGroup
for i := 0; i < 50; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
for j := 0; j < 20; j++ {
c := caches.Get(cacheName)
assert.NotNil(c)
filename, data := filenameData(i)
_, r, err := c.GetOrCreate(filename, func() (io.ReadCloser, error) {
return hugio.ToReadCloser(strings.NewReader(data)), nil
})
assert.NoError(err)
b, _ := ioutil.ReadAll(r)
r.Close()
assert.Equal(data, string(b))
// Trigger some expiration.
time.Sleep(50 * time.Millisecond)
}
}(i)
}
wg.Wait()
}
func TestCleanID(t *testing.T) {
assert := require.New(t)
assert.Equal(filepath.FromSlash("a/b/c.txt"), cleanID(filepath.FromSlash("/a/b//c.txt")))
assert.Equal(filepath.FromSlash("a/b/c.txt"), cleanID(filepath.FromSlash("a/b//c.txt")))
}
func initConfig(fs afero.Fs, cfg config.Provider) error {
if _, err := langs.LoadLanguageSettings(cfg, nil); err != nil {
return err
}
modConfig, err := modules.DecodeConfig(cfg)
if err != nil {
return err
}
workingDir := cfg.GetString("workingDir")
themesDir := cfg.GetString("themesDir")
if !filepath.IsAbs(themesDir) {
themesDir = filepath.Join(workingDir, themesDir)
}
modulesClient := modules.NewClient(modules.ClientConfig{
Fs: fs,
WorkingDir: workingDir,
ThemesDir: themesDir,
ModuleConfig: modConfig,
IgnoreVendor: true,
})
moduleConfig, err := modulesClient.Collect()
if err != nil {
return err
}
if err := modules.ApplyProjectConfigDefaults(cfg, moduleConfig.ActiveModules[len(moduleConfig.ActiveModules)-1]); err != nil {
return err
}
cfg.Set("allModules", moduleConfig.ActiveModules)
return nil
}
func newPathsSpec(t *testing.T, fs afero.Fs, configStr string) *helpers.PathSpec {
assert := require.New(t)
cfg, err := config.FromConfigString(configStr, "toml")
assert.NoError(err)
initConfig(fs, cfg)
p, err := helpers.NewPathSpec(hugofs.NewFrom(fs, cfg), cfg, nil)
assert.NoError(err)
return p
}