7f20e1d7f3
This adds new flags to mount, cmount, serve *
--cache-max-age duration Max age of objects in the cache. (default 1h0m0s)
--cache-mode string Cache mode off|minimal|writes|full (default "off")
--cache-poll-interval duration Interval to poll the cache for stale objects. (default 1m0s)
144 lines
3.3 KiB
Go
144 lines
3.3 KiB
Go
package vfs
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import (
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/djherbis/times"
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"github.com/ncw/rclone/fstest"
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"github.com/spf13/pflag"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"golang.org/x/net/context" // switch to "context" when we stop supporting go1.6
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)
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// Check CacheMode it satisfies the pflag interface
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var _ pflag.Value = (*CacheMode)(nil)
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func TestCacheModeString(t *testing.T) {
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assert.Equal(t, "off", CacheModeOff.String())
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assert.Equal(t, "full", CacheModeFull.String())
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assert.Equal(t, "CacheMode(17)", CacheMode(17).String())
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}
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func TestCacheModeSet(t *testing.T) {
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var m CacheMode
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err := m.Set("full")
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assert.NoError(t, err)
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assert.Equal(t, CacheModeFull, m)
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err = m.Set("potato")
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assert.Error(t, err, "Unknown cache mode level")
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err = m.Set("")
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assert.Error(t, err, "Unknown cache mode level")
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}
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func TestCacheModeType(t *testing.T) {
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var m CacheMode
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assert.Equal(t, "string", m.Type())
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}
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func TestCacheNew(t *testing.T) {
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r := fstest.NewRun(t)
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defer r.Finalise()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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c, err := newCache(ctx, r.Fremote, &DefaultOpt)
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require.NoError(t, err)
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assert.Contains(t, c.root, "vfs")
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assert.Contains(t, c.f.Root(), filepath.Base(r.Fremote.Root()))
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// mkdir
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p, err := c.mkdir("potato")
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require.NoError(t, err)
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assert.Equal(t, "potato", filepath.Base(p))
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fi, err := os.Stat(filepath.Dir(p))
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require.NoError(t, err)
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assert.True(t, fi.IsDir())
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// get
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item := c.get("potato")
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item2 := c.get("potato")
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assert.Equal(t, item, item2)
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assert.WithinDuration(t, time.Now(), item.atime, time.Second)
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// updateTime
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//.. before
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t1 := time.Now().Add(-60 * time.Minute)
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c.updateTime("potato", t1)
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item = c.get("potato")
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assert.NotEqual(t, t1, item.atime)
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assert.Equal(t, 0, item.opens)
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//..after
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t2 := time.Now().Add(60 * time.Minute)
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c.updateTime("potato", t2)
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item = c.get("potato")
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assert.Equal(t, t2, item.atime)
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assert.Equal(t, 0, item.opens)
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// open
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c.open("potato")
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item = c.get("potato")
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assert.WithinDuration(t, time.Now(), item.atime, time.Second)
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assert.Equal(t, 1, item.opens)
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// write the file
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err = ioutil.WriteFile(p, []byte("hello"), 0600)
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require.NoError(t, err)
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// read its atime
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fi, err = os.Stat(p)
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assert.NoError(t, err)
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atime := times.Get(fi).AccessTime()
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// updateAtimes
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log.Printf("updateAtimes")
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item = c.get("potato")
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item.atime = time.Now().Add(-24 * time.Hour)
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err = c.updateAtimes()
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require.NoError(t, err)
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item = c.get("potato")
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assert.Equal(t, atime, item.atime)
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// try purging with file open
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c.purgeOld(10 * time.Second)
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_, err = os.Stat(p)
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assert.NoError(t, err)
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// close
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c.updateTime("potato", t2)
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c.close("potato")
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item = c.get("potato")
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assert.WithinDuration(t, time.Now(), item.atime, time.Second)
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assert.Equal(t, 0, item.opens)
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// try purging with file closed
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c.purgeOld(10 * time.Second)
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// ...nothing should happend
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_, err = os.Stat(p)
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assert.NoError(t, err)
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//.. purge again with -ve age
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c.purgeOld(-10 * time.Second)
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_, err = os.Stat(p)
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assert.True(t, os.IsNotExist(err))
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// clean - have tested the internals already
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c.clean()
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// cleanup
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err = c.cleanUp()
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require.NoError(t, err)
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_, err = os.Stat(c.root)
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assert.True(t, os.IsNotExist(err))
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}
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