object.go 9.85 KB
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package tests
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import (
	"bytes"
	"context"
	"encoding/hex"
	"io/ioutil"
	"strings"
	"testing"

	"github.com/ipfs/go-ipfs/core/coreapi/interface"
	opt "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
)

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func (tp *provider) TestObject(t *testing.T) {
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	tp.hasApi(t, func(api iface.CoreAPI) error {
		if api.Object() == nil {
			return apiNotImplemented
		}
		return nil
	})

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	t.Run("TestNew", tp.TestNew)
	t.Run("TestObjectPut", tp.TestObjectPut)
	t.Run("TestObjectGet", tp.TestObjectGet)
	t.Run("TestObjectData", tp.TestObjectData)
	t.Run("TestObjectLinks", tp.TestObjectLinks)
	t.Run("TestObjectStat", tp.TestObjectStat)
	t.Run("TestObjectAddLink", tp.TestObjectAddLink)
	t.Run("TestObjectAddLinkCreate", tp.TestObjectAddLinkCreate)
	t.Run("TestObjectRmLink", tp.TestObjectRmLink)
	t.Run("TestObjectAddData", tp.TestObjectAddData)
	t.Run("TestObjectSetData", tp.TestObjectSetData)
	t.Run("TestDiffTest", tp.TestDiffTest)
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}

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func (tp *provider) TestNew(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	emptyNode, err := api.Object().New(ctx)
	if err != nil {
		t.Fatal(err)
	}

	dirNode, err := api.Object().New(ctx, opt.Object.Type("unixfs-dir"))
	if err != nil {
		t.Fatal(err)
	}

	if emptyNode.String() != "QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n" {
		t.Errorf("Unexpected emptyNode path: %s", emptyNode.String())
	}

	if dirNode.String() != "QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn" {
		t.Errorf("Unexpected dirNode path: %s", dirNode.String())
	}
}

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func (tp *provider) TestObjectPut(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"YmFy"}`), opt.Object.DataType("base64")) //bar
	if err != nil {
		t.Fatal(err)
	}

	pbBytes, err := hex.DecodeString("0a0362617a")
	if err != nil {
		t.Fatal(err)
	}

	p3, err := api.Object().Put(ctx, bytes.NewReader(pbBytes), opt.Object.InputEnc("protobuf"))
	if err != nil {
		t.Fatal(err)
	}

	if p1.String() != "/ipfs/QmQeGyS87nyijii7kFt1zbe4n2PsXTFimzsdxyE9qh9TST" {
		t.Errorf("unexpected path: %s", p1.String())
	}

	if p2.String() != "/ipfs/QmNeYRbCibmaMMK6Du6ChfServcLqFvLJF76PzzF76SPrZ" {
		t.Errorf("unexpected path: %s", p2.String())
	}

	if p3.String() != "/ipfs/QmZreR7M2t7bFXAdb1V5FtQhjk4t36GnrvueLJowJbQM9m" {
		t.Errorf("unexpected path: %s", p3.String())
	}
}

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func (tp *provider) TestObjectGet(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	nd, err := api.Object().Get(ctx, p1)
	if err != nil {
		t.Fatal(err)
	}

	if string(nd.RawData()[len(nd.RawData())-3:]) != "foo" {
		t.Fatal("got non-matching data")
	}
}

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func (tp *provider) TestObjectData(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	r, err := api.Object().Data(ctx, p1)
	if err != nil {
		t.Fatal(err)
	}

	data, err := ioutil.ReadAll(r)
	if err != nil {
		t.Fatal(err)
	}

	if string(data) != "foo" {
		t.Fatal("got non-matching data")
	}
}

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func (tp *provider) TestObjectLinks(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Links":[{"Name":"bar", "Hash":"`+p1.Cid().String()+`"}]}`))
	if err != nil {
		t.Fatal(err)
	}

	links, err := api.Object().Links(ctx, p2)
	if err != nil {
		t.Fatal(err)
	}

	if len(links) != 1 {
		t.Errorf("unexpected number of links: %d", len(links))
	}

	if links[0].Cid.String() != p1.Cid().String() {
		t.Fatal("cids didn't batch")
	}

	if links[0].Name != "bar" {
		t.Fatal("unexpected link name")
	}
}

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func (tp *provider) TestObjectStat(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"bazz", "Links":[{"Name":"bar", "Hash":"`+p1.Cid().String()+`", "Size":3}]}`))
	if err != nil {
		t.Fatal(err)
	}

	stat, err := api.Object().Stat(ctx, p2)
	if err != nil {
		t.Fatal(err)
	}

	if stat.Cid.String() != p2.Cid().String() {
		t.Error("unexpected stat.Cid")
	}

	if stat.NumLinks != 1 {
		t.Errorf("unexpected stat.NumLinks")
	}

	if stat.BlockSize != 51 {
		t.Error("unexpected stat.BlockSize")
	}

	if stat.LinksSize != 47 {
		t.Errorf("unexpected stat.LinksSize: %d", stat.LinksSize)
	}

	if stat.DataSize != 4 {
		t.Error("unexpected stat.DataSize")
	}

	if stat.CumulativeSize != 54 {
		t.Error("unexpected stat.DataSize")
	}
}

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func (tp *provider) TestObjectAddLink(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"bazz", "Links":[{"Name":"bar", "Hash":"`+p1.Cid().String()+`", "Size":3}]}`))
	if err != nil {
		t.Fatal(err)
	}

	p3, err := api.Object().AddLink(ctx, p2, "abc", p2)
	if err != nil {
		t.Fatal(err)
	}

	links, err := api.Object().Links(ctx, p3)
	if err != nil {
		t.Fatal(err)
	}

	if len(links) != 2 {
		t.Errorf("unexpected number of links: %d", len(links))
	}

	if links[0].Name != "abc" {
		t.Errorf("unexpected link 0 name: %s", links[0].Name)
	}

	if links[1].Name != "bar" {
		t.Errorf("unexpected link 1 name: %s", links[1].Name)
	}
}

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func (tp *provider) TestObjectAddLinkCreate(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"bazz", "Links":[{"Name":"bar", "Hash":"`+p1.Cid().String()+`", "Size":3}]}`))
	if err != nil {
		t.Fatal(err)
	}

	p3, err := api.Object().AddLink(ctx, p2, "abc/d", p2)
	if err == nil {
		t.Fatal("expected an error")
	}
	if err.Error() != "no link by that name" {
		t.Fatalf("unexpected error: %s", err.Error())
	}

	p3, err = api.Object().AddLink(ctx, p2, "abc/d", p2, opt.Object.Create(true))
	if err != nil {
		t.Fatal(err)
	}

	links, err := api.Object().Links(ctx, p3)
	if err != nil {
		t.Fatal(err)
	}

	if len(links) != 2 {
		t.Errorf("unexpected number of links: %d", len(links))
	}

	if links[0].Name != "abc" {
		t.Errorf("unexpected link 0 name: %s", links[0].Name)
	}

	if links[1].Name != "bar" {
		t.Errorf("unexpected link 1 name: %s", links[1].Name)
	}
}

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func (tp *provider) TestObjectRmLink(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"bazz", "Links":[{"Name":"bar", "Hash":"`+p1.Cid().String()+`", "Size":3}]}`))
	if err != nil {
		t.Fatal(err)
	}

	p3, err := api.Object().RmLink(ctx, p2, "bar")
	if err != nil {
		t.Fatal(err)
	}

	links, err := api.Object().Links(ctx, p3)
	if err != nil {
		t.Fatal(err)
	}

	if len(links) != 0 {
		t.Errorf("unexpected number of links: %d", len(links))
	}
}

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func (tp *provider) TestObjectAddData(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().AppendData(ctx, p1, strings.NewReader("bar"))
	if err != nil {
		t.Fatal(err)
	}

	r, err := api.Object().Data(ctx, p2)
	if err != nil {
		t.Fatal(err)
	}

	data, err := ioutil.ReadAll(r)

	if string(data) != "foobar" {
		t.Error("unexpected data")
	}
}

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func (tp *provider) TestObjectSetData(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().SetData(ctx, p1, strings.NewReader("bar"))
	if err != nil {
		t.Fatal(err)
	}

	r, err := api.Object().Data(ctx, p2)
	if err != nil {
		t.Fatal(err)
	}

	data, err := ioutil.ReadAll(r)

	if string(data) != "bar" {
		t.Error("unexpected data")
	}
}

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func (tp *provider) TestDiffTest(t *testing.T) {
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	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()
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	api, err := tp.makeAPI(ctx)
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	if err != nil {
		t.Fatal(err)
	}

	p1, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"foo"}`))
	if err != nil {
		t.Fatal(err)
	}

	p2, err := api.Object().Put(ctx, strings.NewReader(`{"Data":"bar"}`))
	if err != nil {
		t.Fatal(err)
	}

	changes, err := api.Object().Diff(ctx, p1, p2)
	if err != nil {
		t.Fatal(err)
	}

	if len(changes) != 1 {
		t.Fatal("unexpected changes len")
	}

	if changes[0].Type != iface.DiffMod {
		t.Fatal("unexpected change type")
	}

	if changes[0].Before.String() != p1.String() {
		t.Fatal("unexpected before path")
	}

	if changes[0].After.String() != p2.String() {
		t.Fatal("unexpected before path")
	}
}