122 lines
3.5 KiB
Go
122 lines
3.5 KiB
Go
package dagstore
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import (
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"context"
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"io/ioutil"
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"net/url"
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"strings"
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"testing"
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"github.com/golang/mock/gomock"
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blocksutil "github.com/ipfs/go-ipfs-blocksutil"
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"github.com/stretchr/testify/require"
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"github.com/filecoin-project/dagstore/mount"
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mock_dagstore "github.com/filecoin-project/lotus/markets/dagstore/mocks"
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)
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func TestLotusMount(t *testing.T) {
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ctx := context.Background()
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bgen := blocksutil.NewBlockGenerator()
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cid := bgen.Next().Cid()
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mockCtrl := gomock.NewController(t)
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// when test is done, assert expectations on all mock objects.
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defer mockCtrl.Finish()
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// create a mock lotus api that returns the reader we want
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mockLotusMountAPI := mock_dagstore.NewMockLotusAccessor(mockCtrl)
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mockLotusMountAPI.EXPECT().FetchUnsealedPiece(gomock.Any(), cid).Return(&readCloser{ioutil.NopCloser(strings.NewReader("testing"))}, nil).Times(1)
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mockLotusMountAPI.EXPECT().FetchUnsealedPiece(gomock.Any(), cid).Return(&readCloser{ioutil.NopCloser(strings.NewReader("testing"))}, nil).Times(1)
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mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(ctx, cid).Return(uint64(100), nil).Times(1)
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mnt, err := NewLotusMount(cid, mockLotusMountAPI)
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require.NoError(t, err)
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info := mnt.Info()
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require.Equal(t, info.Kind, mount.KindRemote)
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// fetch and assert success
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rd, err := mnt.Fetch(context.Background())
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require.NoError(t, err)
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bz, err := ioutil.ReadAll(rd)
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require.NoError(t, err)
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require.NoError(t, rd.Close())
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require.Equal(t, []byte("testing"), bz)
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stat, err := mnt.Stat(ctx)
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require.NoError(t, err)
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require.EqualValues(t, 100, stat.Size)
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// serialize url then deserialize from mount template -> should get back
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// the same mount
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url := mnt.Serialize()
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mnt2 := NewLotusMountTemplate(mockLotusMountAPI)
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err = mnt2.Deserialize(url)
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require.NoError(t, err)
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// fetching on this mount should get us back the same data.
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rd, err = mnt2.Fetch(context.Background())
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require.NoError(t, err)
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bz, err = ioutil.ReadAll(rd)
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require.NoError(t, err)
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require.NoError(t, rd.Close())
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require.Equal(t, []byte("testing"), bz)
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}
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func TestLotusMountDeserialize(t *testing.T) {
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api := &lotusAccessor{}
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bgen := blocksutil.NewBlockGenerator()
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cid := bgen.Next().Cid()
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// success
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us := lotusScheme + "://" + cid.String()
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u, err := url.Parse(us)
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require.NoError(t, err)
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mnt := NewLotusMountTemplate(api)
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err = mnt.Deserialize(u)
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require.NoError(t, err)
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require.Equal(t, cid, mnt.PieceCid)
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require.Equal(t, api, mnt.Api)
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// fails if cid is not valid
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us = lotusScheme + "://" + "rand"
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u, err = url.Parse(us)
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require.NoError(t, err)
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err = mnt.Deserialize(u)
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require.Error(t, err)
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require.Contains(t, err.Error(), "failed to parse PieceCid")
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}
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func TestLotusMountRegistration(t *testing.T) {
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ctx := context.Background()
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bgen := blocksutil.NewBlockGenerator()
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cid := bgen.Next().Cid()
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// success
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us := lotusScheme + "://" + cid.String()
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u, err := url.Parse(us)
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require.NoError(t, err)
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mockCtrl := gomock.NewController(t)
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// when test is done, assert expectations on all mock objects.
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defer mockCtrl.Finish()
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mockLotusMountAPI := mock_dagstore.NewMockLotusAccessor(mockCtrl)
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registry := mount.NewRegistry()
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err = registry.Register(lotusScheme, NewLotusMountTemplate(mockLotusMountAPI))
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require.NoError(t, err)
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mnt, err := registry.Instantiate(u)
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require.NoError(t, err)
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mockLotusMountAPI.EXPECT().GetUnpaddedCARSize(ctx, cid).Return(uint64(100), nil).Times(1)
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stat, err := mnt.Stat(context.Background())
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require.NoError(t, err)
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require.EqualValues(t, 100, stat.Size)
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}
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