Golang flatfs.New函数代码示例

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本文整理汇总了Golang中github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/flatfs.New函数的典型用法代码示例。如果您正苦于以下问题：Golang New函数的具体用法？Golang New怎么用？Golang New使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了New函数的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestGet

func TestGet(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	const input = "foobar"
	err = fs.Put(datastore.NewKey("quux"), []byte(input))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	data, err := fs.Get(datastore.NewKey("quux"))
	if err != nil {
		t.Fatalf("Get failed: %v", err)
	}
	buf, ok := data.([]byte)
	if !ok {
		t.Fatalf("expected []byte from Get, got %T: %v", data, data)
	}
	if g, e := string(buf), input; g != e {
		t.Fatalf("Get gave wrong content: %q != %q", g, e)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:27，代码来源:flatfs_test.go

示例2: TestQuerySimple

func TestQuerySimple(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}
	const myKey = "quux"
	err = fs.Put(datastore.NewKey(myKey), []byte("foobar"))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	res, err := fs.Query(query.Query{KeysOnly: true})
	if err != nil {
		t.Fatalf("Query fail: %v\n", err)
	}
	entries, err := res.Rest()
	if err != nil {
		t.Fatalf("Query Results.Rest fail: %v\n", err)
	}
	seen := false
	for _, e := range entries {
		switch e.Key {
		case datastore.NewKey(myKey).String():
			seen = true
		default:
			t.Errorf("saw unexpected key: %q", e.Key)
		}
	}
	if !seen {
		t.Errorf("did not see wanted key %q in %+v", myKey, entries)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:35，代码来源:flatfs_test.go

示例3: BenchmarkConsecutivePut

func BenchmarkConsecutivePut(b *testing.B) {
	r := rand.New()
	var blocks [][]byte
	var keys []datastore.Key
	for i := 0; i < b.N; i++ {
		blk := make([]byte, 256*1024)
		r.Read(blk)
		blocks = append(blocks, blk)

		key := base32.StdEncoding.EncodeToString(blk[:8])
		keys = append(keys, datastore.NewKey(key))
	}
	temp, cleanup := tempdir(b)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		b.Fatalf("New fail: %v\n", err)
	}

	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		err := fs.Put(keys[i], blocks[i])
		if err != nil {
			b.Fatal(err)
		}
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:29，代码来源:flatfs_test.go

示例4: TestPutOverwrite

func TestPutOverwrite(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	const (
		loser  = "foobar"
		winner = "xyzzy"
	)
	err = fs.Put(datastore.NewKey("quux"), []byte(loser))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	err = fs.Put(datastore.NewKey("quux"), []byte(winner))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	data, err := fs.Get(datastore.NewKey("quux"))
	if err != nil {
		t.Fatalf("Get failed: %v", err)
	}
	if g, e := string(data.([]byte)), winner; g != e {
		t.Fatalf("Get gave wrong content: %q != %q", g, e)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:31，代码来源:flatfs_test.go

示例5: TestStorage

func TestStorage(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	const prefixLen = 2
	const prefix = "7175"
	const target = prefix + string(os.PathSeparator) + "71757578.data"
	fs, err := flatfs.New(temp, prefixLen)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	err = fs.Put(datastore.NewKey("quux"), []byte("foobar"))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	seen := false
	walk := func(absPath string, fi os.FileInfo, err error) error {
		if err != nil {
			return err
		}
		path, err := filepath.Rel(temp, absPath)
		if err != nil {
			return err
		}
		switch path {
		case ".", "..":
			// ignore
		case prefix:
			if !fi.IsDir() {
				t.Errorf("prefix directory is not a file? %v", fi.Mode())
			}
			// we know it's there if we see the file, nothing more to
			// do here
		case target:
			seen = true
			if !fi.Mode().IsRegular() {
				t.Errorf("expected a regular file, mode: %04o", fi.Mode())
			}
			if runtime.GOOS != "windows" {
				if g, e := fi.Mode()&os.ModePerm&0007, os.FileMode(0000); g != e {
					t.Errorf("file should not be world accessible: %04o", fi.Mode())
				}
			}
		default:
			t.Errorf("saw unexpected directory entry: %q %v", path, fi.Mode())
		}
		return nil
	}
	if err := filepath.Walk(temp, walk); err != nil {
		t.Fatal("walk: %v", err)
	}
	if !seen {
		t.Error("did not see the data file")
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:57，代码来源:flatfs_test.go

示例6: openDatastore

// openDatastore returns an error if the config file is not present.
func (r *FSRepo) openDatastore() error {
	leveldbPath := path.Join(r.path, leveldbDirectory)
	var err error
	// save leveldb reference so it can be neatly closed afterward
	r.leveldbDS, err = levelds.NewDatastore(leveldbPath, &levelds.Options{
		Compression: ldbopts.NoCompression,
	})
	if err != nil {
		return errors.New("unable to open leveldb datastore")
	}

	// 4TB of 256kB objects ~=17M objects, splitting that 256-way
	// leads to ~66k objects per dir, splitting 256*256-way leads to
	// only 256.
	//
	// The keys seen by the block store have predictable prefixes,
	// including "/" from datastore.Key and 2 bytes from multihash. To
	// reach a uniform 256-way split, we need approximately 4 bytes of
	// prefix.
	blocksDS, err := flatfs.New(path.Join(r.path, flatfsDirectory), 4)
	if err != nil {
		return errors.New("unable to open flatfs datastore")
	}

	// Add our PeerID to metrics paths to keep them unique
	//
	// As some tests just pass a zero-value Config to fsrepo.Init,
	// cope with missing PeerID.
	id := r.config.Identity.PeerID
	if id == "" {
		// the tests pass in a zero Config; cope with it
		id = fmt.Sprintf("uninitialized_%p", r)
	}
	prefix := "fsrepo." + id + ".datastore."
	r.metricsBlocks = measure.New(prefix+"blocks", blocksDS)
	r.metricsLevelDB = measure.New(prefix+"leveldb", r.leveldbDS)
	mountDS := mount.New([]mount.Mount{
		{
			Prefix:    ds.NewKey("/blocks"),
			Datastore: r.metricsBlocks,
		},
		{
			Prefix:    ds.NewKey("/"),
			Datastore: r.metricsLevelDB,
		},
	})
	// Make sure it's ok to claim the virtual datastore from mount as
	// threadsafe. There's no clean way to make mount itself provide
	// this information without copy-pasting the code into two
	// variants. This is the same dilemma as the `[].byte` attempt at
	// introducing const types to Go.
	var _ ds.ThreadSafeDatastore = blocksDS
	var _ ds.ThreadSafeDatastore = r.leveldbDS
	r.ds = ds2.ClaimThreadSafe{mountDS}
	return nil
}

开发者ID:heems，项目名称:go-ipfs，代码行数:57，代码来源:fsrepo.go

示例7: TestBatchDelete

func TestBatchDelete(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	dstest.RunBatchDeleteTest(t, fs)
}

开发者ID:heems，项目名称:go-ipfs，代码行数:11，代码来源:flatfs_test.go

示例8: TestBadPrefixLen

func TestBadPrefixLen(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	for i := 0; i > -3; i-- {
		_, err := flatfs.New(temp, 0)
		if g, e := err, flatfs.ErrBadPrefixLen; g != e {
			t.Errorf("expected ErrBadPrefixLen, got: %v", g)
		}
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:11，代码来源:flatfs_test.go

示例9: TestPut

func TestPut(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	err = fs.Put(datastore.NewKey("quux"), []byte("foobar"))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:14，代码来源:flatfs_test.go

示例10: TestPutBadValueType

func TestPutBadValueType(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	err = fs.Put(datastore.NewKey("quux"), 22)
	if g, e := err, datastore.ErrInvalidType; g != e {
		t.Fatalf("expected ErrInvalidType, got: %v\n", g)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:14，代码来源:flatfs_test.go

示例11: TestDeleteNotFound

func TestDeleteNotFound(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	err = fs.Delete(datastore.NewKey("quux"))
	if g, e := err, datastore.ErrNotFound; g != e {
		t.Fatalf("expected ErrNotFound, got: %v\n", g)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:14，代码来源:flatfs_test.go

示例12: TestHasNotFound

func TestHasNotFound(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}

	found, err := fs.Has(datastore.NewKey("quux"))
	if err != nil {
		t.Fatalf("Has fail: %v\n", err)
	}
	if g, e := found, false; g != e {
		t.Fatalf("wrong Has: %v != %v", g, e)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:17，代码来源:flatfs_test.go

示例13: TestHasFound

func TestHasFound(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}
	err = fs.Put(datastore.NewKey("quux"), []byte("foobar"))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	found, err := fs.Has(datastore.NewKey("quux"))
	if err != nil {
		t.Fatalf("Has fail: %v\n", err)
	}
	if g, e := found, true; g != e {
		t.Fatalf("wrong Has: %v != %v", g, e)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:21，代码来源:flatfs_test.go

示例14: TestDeleteFound

func TestDeleteFound(t *testing.T) {
	temp, cleanup := tempdir(t)
	defer cleanup()

	fs, err := flatfs.New(temp, 2)
	if err != nil {
		t.Fatalf("New fail: %v\n", err)
	}
	err = fs.Put(datastore.NewKey("quux"), []byte("foobar"))
	if err != nil {
		t.Fatalf("Put fail: %v\n", err)
	}

	err = fs.Delete(datastore.NewKey("quux"))
	if err != nil {
		t.Fatalf("Delete fail: %v\n", err)
	}

	// check that it's gone
	_, err = fs.Get(datastore.NewKey("quux"))
	if g, e := err, datastore.ErrNotFound; g != e {
		t.Fatalf("expected Get after Delete to give ErrNotFound, got: %v\n", g)
	}
}

开发者ID:heems，项目名称:go-ipfs，代码行数:24，代码来源:flatfs_test.go

注：本文中的github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/flatfs.New函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。