Golang bson.Unmarshal函數代碼示例

func TestQueryList(t *testing.T) {
	reflected, err := bson.Marshal(&reflectQueryList{
		Queries: []BoundQuery{{
			Sql:           "query",
			BindVariables: map[string]interface{}{"val": int64(1)},
		}},
		SessionId:     2,
		TransactionId: 1,
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := QueryList{
		Queries: []BoundQuery{{
			Sql:           "query",
			BindVariables: map[string]interface{}{"val": int64(1)},
		}},
		SessionId:     2,
		TransactionId: 1,
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	var unmarshalled QueryList
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if custom.TransactionId != unmarshalled.TransactionId {
		t.Errorf("want %v, got %v", custom.TransactionId, unmarshalled.TransactionId)
	}
	if custom.SessionId != unmarshalled.SessionId {
		t.Errorf("want %v, got %v", custom.SessionId, unmarshalled.SessionId)
	}
	if custom.Queries[0].Sql != unmarshalled.Queries[0].Sql {
		t.Errorf("want %v, got %v", custom.Queries[0].Sql, unmarshalled.Queries[0].Sql)
	}
	if custom.Queries[0].BindVariables["val"].(int64) != unmarshalled.Queries[0].BindVariables["val"].(int64) {
		t.Errorf("want %v, got %v", custom.Queries[0].BindVariables["val"], unmarshalled.Queries[0].BindVariables["val"])
	}

	extra, err := bson.Marshal(&extraQueryList{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestQueryResultList(t *testing.T) {
	reflected, err := bson.Marshal(&reflectQueryResultList{
		List: []mproto.QueryResult{{
			Fields:       []mproto.Field{{"name", 1}},
			RowsAffected: 2,
			InsertId:     3,
			Rows: [][]sqltypes.Value{
				{{sqltypes.String("1")}, {sqltypes.String("aa")}},
			},
		}},
		Session: &commonSession,
		Error:   "error",
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := QueryResultList{
		List: []mproto.QueryResult{{
			Fields:       []mproto.Field{{"name", 1}},
			RowsAffected: 2,
			InsertId:     3,
			Rows: [][]sqltypes.Value{
				{{sqltypes.String("1")}, {sqltypes.String("aa")}},
			},
		}},
		Session: &commonSession,
		Error:   "error",
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%+v, got\n%+v", want, got)
	}

	var unmarshalled QueryResultList
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if !reflect.DeepEqual(custom, unmarshalled) {
		t.Errorf("want \n%+v, got \n%+v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraQueryResultList{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestBinlogTransaction(t *testing.T) {
	reflected, err := bson.Marshal(&reflectBinlogTransaction{
		Statements: []reflectStatement{
			{
				Category: 1,
				Charset:  &mproto.Charset{Client: 12, Conn: 34, Server: 56},
				Sql:      []byte("sql"),
			},
		},
		Timestamp: 456,
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := BinlogTransaction{
		Statements: []Statement{
			{
				Category: 1,
				Charset:  &mproto.Charset{Client: 12, Conn: 34, Server: 56},
				Sql:      []byte("sql"),
			},
		},
		Timestamp: 456,
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	var unmarshalled BinlogTransaction
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if !reflect.DeepEqual(custom, unmarshalled) {
		t.Errorf("%#v != %#v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraBinlogTransaction{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestQueryResult(t *testing.T) {
	want := "\x85\x00\x00\x00\x04Fields\x00*\x00\x00\x00\x030\x00\"\x00\x00\x00\x05Name\x00\x04\x00\x00\x00\x00name\x12Type\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00?RowsAffected\x00\x02\x00\x00\x00\x00\x00\x00\x00?InsertId\x00\x03\x00\x00\x00\x00\x00\x00\x00\x04Rows\x00 \x00\x00\x00\x040\x00\x18\x00\x00\x00\x050\x00\x01\x00\x00\x00\x001\x051\x00\x02\x00\x00\x00\x00aa\x00\x00\x00"
	custom := QueryResult{
		Fields:       []Field{{"name", 1}},
		RowsAffected: 2,
		InsertId:     3,
		Rows: [][]sqltypes.Value{
			{{sqltypes.Numeric("1")}, {sqltypes.String("aa")}},
		},
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	var unmarshalled QueryResult
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if custom.RowsAffected != unmarshalled.RowsAffected {
		t.Errorf("want %v, got %#v", custom.RowsAffected, unmarshalled.RowsAffected)
	}
	if custom.InsertId != unmarshalled.InsertId {
		t.Errorf("want %v, got %#v", custom.InsertId, unmarshalled.InsertId)
	}
	if custom.Fields[0].Name != unmarshalled.Fields[0].Name {
		t.Errorf("want %v, got %#v", custom.Fields[0].Name, unmarshalled.Fields[0].Name)
	}
	if custom.Fields[0].Type != unmarshalled.Fields[0].Type {
		t.Errorf("want %v, got %#v", custom.Fields[0].Type, unmarshalled.Fields[0].Type)
	}
	if !bytes.Equal(custom.Rows[0][0].Raw(), unmarshalled.Rows[0][0].Raw()) {
		t.Errorf("want %s, got %s", custom.Rows[0][0].Raw(), unmarshalled.Rows[0][0].Raw())
	}
	if !bytes.Equal(custom.Rows[0][1].Raw(), unmarshalled.Rows[0][1].Raw()) {
		t.Errorf("want %s, got %s", custom.Rows[0][0].Raw(), unmarshalled.Rows[0][0].Raw())
	}

	extra, err := bson.Marshal(&extraQueryResult{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestResponseBson(t *testing.T) {
	reflected, err := bson.Marshal(&reflectResponseBson{
		ServiceMethod: "aa",
		Seq:           1,
		Error:         "err",
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := ResponseBson{
		&rpc.Response{
			ServiceMethod: "aa",
			Seq:           1,
			Error:         "err",
		},
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	unmarshalled := ResponseBson{Response: new(rpc.Response)}
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if custom.ServiceMethod != unmarshalled.ServiceMethod {
		t.Errorf("want %v, got %#v", custom.ServiceMethod, unmarshalled.ServiceMethod)
	}
	if custom.Seq != unmarshalled.Seq {
		t.Errorf("want %v, got %#v", custom.Seq, unmarshalled.Seq)
	}
	if custom.Error != unmarshalled.Error {
		t.Errorf("want %v, got %#v", custom.Error, unmarshalled.Error)
	}

	extra, err := bson.Marshal(&extraResponseBson{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestKeyRangeQuery(t *testing.T) {
	reflected, err := bson.Marshal(&reflectKeyRangeQuery{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
		Keyspace:      "keyspace",
		KeyRanges:     []kproto.KeyRange{kproto.KeyRange{Start: "10", End: "18"}},
		TabletType:    "replica",
		Session:       &commonSession,
	})

	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := KeyRangeQuery{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
		Keyspace:      "keyspace",
		KeyRanges:     []kproto.KeyRange{kproto.KeyRange{Start: "10", End: "18"}},
		TabletType:    "replica",
		Session:       &commonSession,
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%+v, got\n%+v", want, got)
	}

	var unmarshalled KeyRangeQuery
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if !reflect.DeepEqual(custom, unmarshalled) {
		t.Errorf("want \n%+v, got \n%+v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraKeyRangeQuery{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestQueryShard(t *testing.T) {
	reflected, err := bson.Marshal(&reflectQueryShard{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
		Keyspace:      "keyspace",
		Shards:        []string{"shard1", "shard2"},
		TabletType:    topo.TabletType("replica"),
		Session:       &commonSession,
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := QueryShard{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
		Keyspace:      "keyspace",
		Shards:        []string{"shard1", "shard2"},
		TabletType:    topo.TabletType("replica"),
		Session:       &commonSession,
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%+v, got\n%+v", want, got)
	}

	var unmarshalled QueryShard
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if !reflect.DeepEqual(custom, unmarshalled) {
		t.Errorf("want \n%+v, got \n%+v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraQueryShard{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestSession(t *testing.T) {
	reflected, err := bson.Marshal(&reflectSession{
		InTransaction: true,
		ShardSessions: []*ShardSession{{
			Keyspace:      "a",
			Shard:         "0",
			TabletType:    topo.TabletType("replica"),
			TransactionId: 1,
		}, {
			Keyspace:      "b",
			Shard:         "1",
			TabletType:    topo.TabletType("master"),
			TransactionId: 2,
		}},
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := commonSession
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%+v, got\n%+v", want, got)
	}

	var unmarshalled Session
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if !reflect.DeepEqual(custom, unmarshalled) {
		t.Errorf("want \n%+v, got \n%+v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraSession{})
	if err != nil {
		t.Fatal(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestBsonMarshalUnmarshalReplicationPositionInStruct(t *testing.T) {
	gtidSetParsers["golf"] = func(s string) (GTIDSet, error) {
		return fakeGTID{flavor: "golf", value: s}, nil
	}
	input := ReplicationPosition{GTIDSet: fakeGTID{flavor: "golf", value: "par"}}
	want := ReplicationPosition{GTIDSet: fakeGTID{flavor: "golf", value: "par"}}

	type mystruct struct {
		ReplicationPosition
	}

	buf, err := bson.Marshal(&mystruct{ReplicationPosition: input})
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	var gotStruct mystruct
	if err = bson.Unmarshal(buf, &gotStruct); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if got := gotStruct.ReplicationPosition; !got.Equal(want) {
		t.Errorf("marshal->unmarshal mismatch, got %#v, want %#v", got, want)
	}
}

func TestBsonMarshalUnmarshalGTIDFieldInStruct(t *testing.T) {
	gtidParsers["golf"] = func(s string) (GTID, error) {
		return fakeGTID{flavor: "golf", value: s}, nil
	}
	input := fakeGTID{flavor: "golf", value: "par"}
	want := fakeGTID{flavor: "golf", value: "par"}

	type mystruct struct {
		GTIDField
	}

	buf, err := bson.Marshal(&mystruct{GTIDField{input}})
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	var gotStruct mystruct
	if err = bson.Unmarshal(buf, &gotStruct); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if got := gotStruct.GTIDField.Value; got != want {
		t.Errorf("marshal->unmarshal mismatch, got %#v, want %#v", got, want)
	}
}

func TestBoundQuery(t *testing.T) {
	reflected, err := bson.Marshal(&reflectBoundQuery{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := BoundQuery{
		Sql:           "query",
		BindVariables: map[string]interface{}{"val": int64(1)},
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	var unmarshalled BoundQuery
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if custom.Sql != unmarshalled.Sql {
		t.Errorf("want %v, got %v", custom.Sql, unmarshalled.Sql)
	}
	if custom.BindVariables["val"].(int64) != unmarshalled.BindVariables["val"].(int64) {
		t.Errorf("want %v, got %v", custom.BindVariables["val"], unmarshalled.BindVariables["val"])
	}

	extra, err := bson.Marshal(&extraBoundQuery{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestSession(t *testing.T) {
	reflected, err := bson.Marshal(&reflectSession{
		SessionId:     2,
		TransactionId: 1,
	})
	if err != nil {
		t.Error(err)
	}
	want := string(reflected)

	custom := Session{
		SessionId:     2,
		TransactionId: 1,
	}
	encoded, err := bson.Marshal(&custom)
	if err != nil {
		t.Error(err)
	}
	got := string(encoded)
	if want != got {
		t.Errorf("want\n%#v, got\n%#v", want, got)
	}

	var unmarshalled Session
	err = bson.Unmarshal(encoded, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
	if custom != unmarshalled {
		t.Errorf("want %v, got %#v", custom, unmarshalled)
	}

	extra, err := bson.Marshal(&extraSession{})
	if err != nil {
		t.Error(err)
	}
	err = bson.Unmarshal(extra, &unmarshalled)
	if err != nil {
		t.Error(err)
	}
}

func TestBatchQueryShardBadType(t *testing.T) {
	unexpected, err := bson.Marshal(&badTypeBatchQueryShard{})
	if err != nil {
		t.Error(err)
	}
	var unmarshalled BatchQueryShard
	err = bson.Unmarshal(unexpected, &unmarshalled)
	want := "unexpected kind 5 for batchQueryShard.Queries"
	if err == nil || want != err.Error() {
		t.Errorf("want %v, got %v", want, err)
	}
}

func TestUnmarshalEmptyStructIntoUnused(t *testing.T) {
	buf, err := bson.Marshal(&struct{}{})
	if err != nil {
		t.Fatalf("bson.Marshal: %v", err)
	}

	// Check that a new-style server expecting Unused{} can handle an empty struct.
	var unused Unused
	if err := bson.Unmarshal(buf, &unused); err != nil {
		t.Errorf("bson.Unmarshal: %v", err)
	}
}

func TestKeyspaceIdsBatchQueryBadType(t *testing.T) {
	unexpected, err := bson.Marshal(&badTypeKeyspaceIdsBatchQuery{})
	if err != nil {
		t.Error(err)
	}
	var unmarshalled KeyspaceIdBatchQuery
	err = bson.Unmarshal(unexpected, &unmarshalled)
	want := "unexpected kind 5 for keyspaceIdBatchQuery.Queries"
	if err == nil || want != err.Error() {
		t.Errorf("want %v, got %v", want, err)
	}
}