vitess.io/vitess@v0.16.2/go/vt/srvtopo/srvtopotest/passthrough.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package srvtopotest
    18  
    19  import (
    20  	"context"
    21  
    22  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    23  	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
    24  	"vitess.io/vitess/go/vt/topo"
    25  )
    26  
    27  // PassthroughSrvTopoServer is a bare implementation of srvtopo.Server for use in tests
    28  type PassthroughSrvTopoServer struct {
    29  	TopoServer      *topo.Server
    30  	TopoServerError error
    31  
    32  	SrvKeyspaceNames      []string
    33  	SrvKeyspaceNamesError error
    34  
    35  	SrvKeyspace      *topodatapb.SrvKeyspace
    36  	SrvKeyspaceError error
    37  
    38  	WatchedSrvVSchema      *vschemapb.SrvVSchema
    39  	WatchedSrvVSchemaError error
    40  }
    41  
    42  // NewPassthroughSrvTopoServer returns a new, unconfigured test PassthroughSrvTopoServer
    43  func NewPassthroughSrvTopoServer() *PassthroughSrvTopoServer {
    44  	return &PassthroughSrvTopoServer{}
    45  }
    46  
    47  // GetTopoServer implements srvtopo.Server
    48  func (srv *PassthroughSrvTopoServer) GetTopoServer() (*topo.Server, error) {
    49  	return srv.TopoServer, srv.TopoServerError
    50  }
    51  
    52  // GetSrvKeyspaceNames implements srvtopo.Server
    53  func (srv *PassthroughSrvTopoServer) GetSrvKeyspaceNames(ctx context.Context, cell string, staleOK bool) ([]string, error) {
    54  	return srv.SrvKeyspaceNames, srv.SrvKeyspaceNamesError
    55  }
    56  
    57  // GetSrvKeyspace implements srvtopo.Server
    58  func (srv *PassthroughSrvTopoServer) GetSrvKeyspace(ctx context.Context, cell, keyspace string) (*topodatapb.SrvKeyspace, error) {
    59  	return srv.SrvKeyspace, srv.SrvKeyspaceError
    60  }
    61  
    62  func (srv *PassthroughSrvTopoServer) WatchSrvKeyspace(ctx context.Context, cell, keyspace string, callback func(*topodatapb.SrvKeyspace, error) bool) {
    63  	callback(srv.SrvKeyspace, srv.SrvKeyspaceError)
    64  }
    65  
    66  // WatchSrvVSchema implements srvtopo.Server
    67  func (srv *PassthroughSrvTopoServer) WatchSrvVSchema(ctx context.Context, cell string, callback func(*vschemapb.SrvVSchema, error) bool) {
    68  	callback(srv.WatchedSrvVSchema, srv.WatchedSrvVSchemaError)
    69  }