ref: fc045e12a953aac88b942c25b958c5c0554b252b
dir: /cache/filecache/filecache_test.go/
// 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 (
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"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"
qt "github.com/frankban/quicktest"
)
func TestFileCache(t *testing.T) {
t.Parallel()
c := qt.New(t)
tempWorkingDir, err := ioutil.TempDir("", "hugo_filecache_test_work")
c.Assert(err, qt.IsNil)
defer os.Remove(tempWorkingDir)
tempCacheDir, err := ioutil.TempDir("", "hugo_filecache_test_cache")
c.Assert(err, qt.IsNil)
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)
c.Assert(err, qt.IsNil)
cache := caches.Get("GetJSON")
c.Assert(cache, qt.Not(qt.IsNil))
c.Assert(cache.maxAge.String(), qt.Equals, "10h0m0s")
bfs, ok := cache.Fs.(*afero.BasePathFs)
c.Assert(ok, qt.Equals, true)
filename, err := bfs.RealPath("key")
c.Assert(err, qt.IsNil)
if test.cacheDir != "" {
c.Assert(filename, qt.Equals, filepath.Join(test.cacheDir, "c/"+filecacheRootDirname+"/getjson/key"))
} else {
// Temp dir.
c.Assert(filename, qt.Matches, ".*hugo_cache.*"+filecacheRootDirname+".*key")
}
cache = caches.Get("Images")
c.Assert(cache, qt.Not(qt.IsNil))
c.Assert(cache.maxAge, qt.Equals, time.Duration(-1))
bfs, ok = cache.Fs.(*afero.BasePathFs)
c.Assert(ok, qt.Equals, true)
filename, _ = bfs.RealPath("key")
c.Assert(filename, qt.Equals, filepath.FromSlash("_gen/images/key"))
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 _, ca := range []*Cache{caches.ImageCache(), caches.AssetsCache(), caches.GetJSONCache(), caches.GetCSVCache()} {
for i := 0; i < 2; i++ {
info, r, err := ca.GetOrCreate("a", rf("abc"))
c.Assert(err, qt.IsNil)
c.Assert(r, qt.Not(qt.IsNil))
c.Assert(info.Name, qt.Equals, "a")
b, _ := ioutil.ReadAll(r)
r.Close()
c.Assert(string(b), qt.Equals, "abc")
info, b, err = ca.GetOrCreateBytes("b", bf)
c.Assert(err, qt.IsNil)
c.Assert(r, qt.Not(qt.IsNil))
c.Assert(info.Name, qt.Equals, "b")
c.Assert(string(b), qt.Equals, "bcd")
_, b, err = ca.GetOrCreateBytes("a", bf)
c.Assert(err, qt.IsNil)
c.Assert(string(b), qt.Equals, "abc")
_, r, err = ca.GetOrCreate("a", rf("bcd"))
c.Assert(err, qt.IsNil)
b, _ = ioutil.ReadAll(r)
r.Close()
c.Assert(string(b), qt.Equals, "abc")
}
}
c.Assert(caches.Get("getJSON"), qt.Not(qt.IsNil))
info, w, err := caches.ImageCache().WriteCloser("mykey")
c.Assert(err, qt.IsNil)
c.Assert(info.Name, qt.Equals, "mykey")
io.WriteString(w, "Hugo is great!")
w.Close()
c.Assert(caches.ImageCache().getString("mykey"), qt.Equals, "Hugo is great!")
info, r, err := caches.ImageCache().Get("mykey")
c.Assert(err, qt.IsNil)
c.Assert(r, qt.Not(qt.IsNil))
c.Assert(info.Name, qt.Equals, "mykey")
b, _ := ioutil.ReadAll(r)
r.Close()
c.Assert(string(b), qt.Equals, "Hugo is great!")
info, b, err = caches.ImageCache().GetBytes("mykey")
c.Assert(err, qt.IsNil)
c.Assert(info.Name, qt.Equals, "mykey")
c.Assert(string(b), qt.Equals, "Hugo is great!")
}
}
func TestFileCacheConcurrent(t *testing.T) {
t.Parallel()
c := qt.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)
c.Assert(err, qt.IsNil)
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++ {
ca := caches.Get(cacheName)
c.Assert(ca, qt.Not(qt.IsNil))
filename, data := filenameData(i)
_, r, err := ca.GetOrCreate(filename, func() (io.ReadCloser, error) {
return hugio.ToReadCloser(strings.NewReader(data)), nil
})
c.Assert(err, qt.IsNil)
b, _ := ioutil.ReadAll(r)
r.Close()
c.Assert(string(b), qt.Equals, data)
// Trigger some expiration.
time.Sleep(50 * time.Millisecond)
}
}(i)
}
wg.Wait()
}
func TestFileCacheReadOrCreateErrorInRead(t *testing.T) {
t.Parallel()
c := qt.New(t)
var result string
rf := func(failLevel int) func(info ItemInfo, r io.ReadSeeker) error {
return func(info ItemInfo, r io.ReadSeeker) error {
if failLevel > 0 {
if failLevel > 1 {
return ErrFatal
}
return errors.New("fail")
}
b, _ := ioutil.ReadAll(r)
result = string(b)
return nil
}
}
bf := func(s string) func(info ItemInfo, w io.WriteCloser) error {
return func(info ItemInfo, w io.WriteCloser) error {
defer w.Close()
result = s
_, err := w.Write([]byte(s))
return err
}
}
cache := NewCache(afero.NewMemMapFs(), 100*time.Hour, "")
const id = "a32"
_, err := cache.ReadOrCreate(id, rf(0), bf("v1"))
c.Assert(err, qt.IsNil)
c.Assert(result, qt.Equals, "v1")
_, err = cache.ReadOrCreate(id, rf(0), bf("v2"))
c.Assert(err, qt.IsNil)
c.Assert(result, qt.Equals, "v1")
_, err = cache.ReadOrCreate(id, rf(1), bf("v3"))
c.Assert(err, qt.IsNil)
c.Assert(result, qt.Equals, "v3")
_, err = cache.ReadOrCreate(id, rf(2), bf("v3"))
c.Assert(err, qt.Equals, ErrFatal)
}
func TestCleanID(t *testing.T) {
c := qt.New(t)
c.Assert(cleanID(filepath.FromSlash("/a/b//c.txt")), qt.Equals, filepath.FromSlash("a/b/c.txt"))
c.Assert(cleanID(filepath.FromSlash("a/b//c.txt")), qt.Equals, 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 {
c := qt.New(t)
cfg, err := config.FromConfigString(configStr, "toml")
c.Assert(err, qt.IsNil)
initConfig(fs, cfg)
p, err := helpers.NewPathSpec(hugofs.NewFrom(fs, cfg), cfg, nil)
c.Assert(err, qt.IsNil)
return p
}