vitess.io/vitess@v0.16.2/go/vt/topo/test/serving.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 test
    18  
    19  import (
    20  	"testing"
    21  
    22  	"google.golang.org/protobuf/proto"
    23  
    24  	"context"
    25  
    26  	"vitess.io/vitess/go/vt/topo"
    27  
    28  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    29  	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
    30  )
    31  
    32  // checkSrvKeyspace tests the SrvKeyspace methods (other than watch).
    33  func checkSrvKeyspace(t *testing.T, ts *topo.Server) {
    34  	ctx := context.Background()
    35  
    36  	// Test GetSrvKeyspaceNames returns an empty list correctly.
    37  	if names, err := ts.GetSrvKeyspaceNames(ctx, LocalCellName); err != nil || len(names) != 0 {
    38  		t.Errorf("GetSrvKeyspace(not there): %v %v", names, err)
    39  	}
    40  
    41  	// test cell/keyspace entries (SrvKeyspace)
    42  	srvKeyspace := &topodatapb.SrvKeyspace{
    43  		Partitions: []*topodatapb.SrvKeyspace_KeyspacePartition{
    44  			{
    45  				ServedType: topodatapb.TabletType_PRIMARY,
    46  				ShardReferences: []*topodatapb.ShardReference{
    47  					{
    48  						Name: "-80",
    49  						KeyRange: &topodatapb.KeyRange{
    50  							End: []byte{0x80},
    51  						},
    52  					},
    53  				},
    54  			},
    55  		},
    56  		ServedFrom: []*topodatapb.SrvKeyspace_ServedFrom{
    57  			{
    58  				TabletType: topodatapb.TabletType_REPLICA,
    59  				Keyspace:   "other_keyspace",
    60  			},
    61  		},
    62  	}
    63  	if err := ts.UpdateSrvKeyspace(ctx, LocalCellName, "test_keyspace", srvKeyspace); err != nil {
    64  		t.Errorf("UpdateSrvKeyspace(1): %v", err)
    65  	}
    66  	if _, err := ts.GetSrvKeyspace(ctx, LocalCellName, "test_keyspace666"); !topo.IsErrType(err, topo.NoNode) {
    67  		t.Errorf("GetSrvKeyspace(invalid): %v", err)
    68  	}
    69  	if k, err := ts.GetSrvKeyspace(ctx, LocalCellName, "test_keyspace"); err != nil || !proto.Equal(srvKeyspace, k) {
    70  		t.Errorf("GetSrvKeyspace(valid): %v %v", err, k)
    71  	}
    72  	if k, err := ts.GetSrvKeyspaceNames(ctx, LocalCellName); err != nil || len(k) != 1 || k[0] != "test_keyspace" {
    73  		t.Errorf("GetSrvKeyspaceNames(): %v", err)
    74  	}
    75  
    76  	// check that updating a SrvKeyspace out of the blue works
    77  	if err := ts.UpdateSrvKeyspace(ctx, LocalCellName, "unknown_keyspace_so_far", srvKeyspace); err != nil {
    78  		t.Fatalf("UpdateSrvKeyspace(2): %v", err)
    79  	}
    80  	if k, err := ts.GetSrvKeyspace(ctx, LocalCellName, "unknown_keyspace_so_far"); err != nil || !proto.Equal(srvKeyspace, k) {
    81  		t.Errorf("GetSrvKeyspace(out of the blue): %v %v", err, k)
    82  	}
    83  
    84  	// Delete the SrvKeyspace.
    85  	if err := ts.DeleteSrvKeyspace(ctx, LocalCellName, "unknown_keyspace_so_far"); err != nil {
    86  		t.Fatalf("DeleteSrvKeyspace: %v", err)
    87  	}
    88  	if _, err := ts.GetSrvKeyspace(ctx, LocalCellName, "unknown_keyspace_so_far"); !topo.IsErrType(err, topo.NoNode) {
    89  		t.Errorf("GetSrvKeyspace(deleted) got %v, want ErrNoNode", err)
    90  	}
    91  }
    92  
    93  // checkSrvVSchema tests the SrvVSchema methods (other than watch).
    94  func checkSrvVSchema(t *testing.T, ts *topo.Server) {
    95  	ctx := context.Background()
    96  
    97  	// check GetSrvVSchema returns topo.ErrNoNode if no SrvVSchema
    98  	if _, err := ts.GetSrvVSchema(ctx, LocalCellName); !topo.IsErrType(err, topo.NoNode) {
    99  		t.Errorf("GetSrvVSchema(not set): %v", err)
   100  	}
   101  
   102  	srvVSchema := &vschemapb.SrvVSchema{
   103  		Keyspaces: map[string]*vschemapb.Keyspace{
   104  			"test_keyspace": {
   105  				Sharded: true,
   106  			},
   107  		},
   108  	}
   109  	if err := ts.UpdateSrvVSchema(ctx, LocalCellName, srvVSchema); err != nil {
   110  		t.Errorf("UpdateSrvVSchema(1): %v", err)
   111  	}
   112  	if v, err := ts.GetSrvVSchema(ctx, LocalCellName); err != nil || !proto.Equal(srvVSchema, v) {
   113  		t.Errorf("GetSrvVSchema(valid): %v %v", err, v)
   114  	}
   115  }