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123 lines
3.2 KiB
123 lines
3.2 KiB
package remotedb_test
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import (
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"net"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tmlibs/db/remotedb"
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"github.com/tendermint/tmlibs/db/remotedb/grpcdb"
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)
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func TestRemoteDB(t *testing.T) {
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cert := "::.crt"
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key := "::.key"
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ln, err := net.Listen("tcp", "0.0.0.0:0")
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require.Nil(t, err, "expecting a port to have been assigned on which we can listen")
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srv, err := grpcdb.NewServer(cert, key)
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require.Nil(t, err)
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defer srv.Stop()
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go func() {
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if err := srv.Serve(ln); err != nil {
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t.Fatalf("BindServer: %v", err)
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}
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}()
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client, err := remotedb.NewRemoteDB(ln.Addr().String(), cert)
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require.Nil(t, err, "expecting a successful client creation")
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dbName := "test-remote-db"
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require.Nil(t, client.InitRemote(&remotedb.Init{Name: dbName, Type: "leveldb"}))
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defer func() {
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err := os.RemoveAll(dbName + ".db")
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if err != nil {
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panic(err)
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}
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}()
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k1 := []byte("key-1")
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v1 := client.Get(k1)
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require.Equal(t, 0, len(v1), "expecting no key1 to have been stored")
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vv1 := []byte("value-1")
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client.Set(k1, vv1)
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gv1 := client.Get(k1)
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require.Equal(t, gv1, vv1)
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// Simple iteration
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itr := client.Iterator(nil, nil)
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itr.Next()
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require.Equal(t, itr.Key(), []byte("key-1"))
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require.Equal(t, itr.Value(), []byte("value-1"))
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require.Panics(t, itr.Next)
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itr.Close()
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// Set some more keys
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k2 := []byte("key-2")
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v2 := []byte("value-2")
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client.SetSync(k2, v2)
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has := client.Has(k2)
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require.True(t, has)
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gv2 := client.Get(k2)
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require.Equal(t, gv2, v2)
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// More iteration
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itr = client.Iterator(nil, nil)
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itr.Next()
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require.Equal(t, itr.Key(), []byte("key-1"))
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require.Equal(t, itr.Value(), []byte("value-1"))
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itr.Next()
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require.Equal(t, itr.Key(), []byte("key-2"))
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require.Equal(t, itr.Value(), []byte("value-2"))
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require.Panics(t, itr.Next)
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itr.Close()
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// Deletion
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client.Delete(k1)
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client.DeleteSync(k2)
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gv1 = client.Get(k1)
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gv2 = client.Get(k2)
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require.Equal(t, len(gv2), 0, "after deletion, not expecting the key to exist anymore")
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require.Equal(t, len(gv1), 0, "after deletion, not expecting the key to exist anymore")
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// Batch tests - set
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k3 := []byte("key-3")
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k4 := []byte("key-4")
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k5 := []byte("key-5")
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v3 := []byte("value-3")
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v4 := []byte("value-4")
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v5 := []byte("value-5")
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bat := client.NewBatch()
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bat.Set(k3, v3)
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bat.Set(k4, v4)
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rv3 := client.Get(k3)
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require.Equal(t, 0, len(rv3), "expecting no k3 to have been stored")
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rv4 := client.Get(k4)
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require.Equal(t, 0, len(rv4), "expecting no k4 to have been stored")
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bat.Write()
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rv3 = client.Get(k3)
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require.Equal(t, rv3, v3, "expecting k3 to have been stored")
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rv4 = client.Get(k4)
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require.Equal(t, rv4, v4, "expecting k4 to have been stored")
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// Batch tests - deletion
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bat = client.NewBatch()
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bat.Delete(k4)
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bat.Delete(k3)
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bat.WriteSync()
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rv3 = client.Get(k3)
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require.Equal(t, 0, len(rv3), "expecting k3 to have been deleted")
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rv4 = client.Get(k4)
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require.Equal(t, 0, len(rv4), "expecting k4 to have been deleted")
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// Batch tests - set and delete
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bat = client.NewBatch()
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bat.Set(k4, v4)
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bat.Set(k5, v5)
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bat.Delete(k4)
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bat.WriteSync()
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rv4 = client.Get(k4)
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require.Equal(t, 0, len(rv4), "expecting k4 to have been deleted")
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rv5 := client.Get(k5)
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require.Equal(t, rv5, v5, "expecting k5 to have been stored")
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}
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