vitess.io/vitess@v0.16.2/go/vt/topo/test/vschema.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  	"context"
    23  
    24  	"github.com/stretchr/testify/require"
    25  	"google.golang.org/protobuf/proto"
    26  
    27  	"vitess.io/vitess/go/vt/topo"
    28  
    29  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    30  	vschemapb "vitess.io/vitess/go/vt/proto/vschema"
    31  )
    32  
    33  // checkVSchema runs the tests on the VSchema part of the API
    34  func checkVSchema(t *testing.T, ts *topo.Server) {
    35  	ctx := context.Background()
    36  	if err := ts.CreateKeyspace(ctx, "test_keyspace", &topodatapb.Keyspace{}); err != nil {
    37  		t.Fatalf("CreateKeyspace: %v", err)
    38  	}
    39  
    40  	if err := ts.CreateShard(ctx, "test_keyspace", "b0-c0"); err != nil {
    41  		t.Fatalf("CreateShard: %v", err)
    42  	}
    43  
    44  	_, err := ts.GetVSchema(ctx, "test_keyspace")
    45  	if !topo.IsErrType(err, topo.NoNode) {
    46  		t.Error(err)
    47  	}
    48  
    49  	err = ts.SaveVSchema(ctx, "test_keyspace", &vschemapb.Keyspace{
    50  		Tables: map[string]*vschemapb.Table{
    51  			"unsharded": {},
    52  		},
    53  	})
    54  	if err != nil {
    55  		t.Fatal(err)
    56  	}
    57  
    58  	got, err := ts.GetVSchema(ctx, "test_keyspace")
    59  	require.NoError(t, err)
    60  	want := &vschemapb.Keyspace{
    61  		Tables: map[string]*vschemapb.Table{
    62  			"unsharded": {},
    63  		},
    64  	}
    65  	if !proto.Equal(got, want) {
    66  		t.Errorf("GetVSchema: %s, want %s", got, want)
    67  	}
    68  
    69  	err = ts.SaveVSchema(ctx, "test_keyspace", &vschemapb.Keyspace{
    70  		Sharded: true,
    71  	})
    72  	require.NoError(t, err)
    73  
    74  	got, err = ts.GetVSchema(ctx, "test_keyspace")
    75  	require.NoError(t, err)
    76  	want = &vschemapb.Keyspace{
    77  		Sharded: true,
    78  	}
    79  	if !proto.Equal(got, want) {
    80  		t.Errorf("GetVSchema: %s, want %s", got, want)
    81  	}
    82  
    83  	// Make sure the vschema is not returned as a shard name,
    84  	// because they share the same directory location.
    85  	shards, err := ts.GetShardNames(ctx, "test_keyspace")
    86  	if err != nil {
    87  		t.Errorf("GetShardNames: %v", err)
    88  	}
    89  	if len(shards) != 1 || shards[0] != "b0-c0" {
    90  		t.Errorf(`GetShardNames: want [ "b0-c0" ], got %v`, shards)
    91  	}
    92  }
    93  
    94  // checkRoutingRules runs the tests on the routing rules part of the API
    95  func checkRoutingRules(t *testing.T, ts *topo.Server) {
    96  	ctx := context.Background()
    97  
    98  	if _, err := ts.GetRoutingRules(ctx); err != nil {
    99  		t.Fatal(err)
   100  	}
   101  
   102  	want := &vschemapb.RoutingRules{
   103  		Rules: []*vschemapb.RoutingRule{{
   104  			FromTable: "t1",
   105  			ToTables:  []string{"t2", "t3"},
   106  		}},
   107  	}
   108  	if err := ts.SaveRoutingRules(ctx, want); err != nil {
   109  		t.Fatal(err)
   110  	}
   111  
   112  	got, err := ts.GetRoutingRules(ctx)
   113  	require.NoError(t, err)
   114  	if !proto.Equal(got, want) {
   115  		t.Errorf("GetRoutingRules: %v, want %v", got, want)
   116  	}
   117  }