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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package schema
import (
"context"
"sort"
"testing"
testlog "github.com/sirupsen/logrus/hooks/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/usecases/cluster"
"github.com/weaviate/weaviate/usecases/sharding"
)
func TestSchemaRepair(t *testing.T) {
type (
properties = []*models.Property
classes = []*models.Class
testCase struct {
name string
originalLocal State
remote State
tenants map[string][]string
}
)
var (
ctx = context.Background()
logger, _ = testlog.NewNullLogger()
clusterState = &fakeClusterState{hosts: []string{"some.host"}}
txManager = cluster.NewTxManager(&fakeBroadcaster{}, &fakeTxPersistence{}, logger)
newShardingState = func(id string, tenants ...string) *sharding.State {
ss := &sharding.State{
IndexID: id,
Physical: func() map[string]sharding.Physical {
m := map[string]sharding.Physical{}
for _, tenant := range tenants {
m[tenant] = sharding.Physical{
Name: tenant,
BelongsToNodes: []string{clusterState.LocalName()},
}
}
return m
}(),
Virtual: make([]sharding.Virtual, 0),
PartitioningEnabled: false,
}
ss.SetLocalName(clusterState.LocalName())
return ss
}
newClass = func(name string, props properties, mtEnabled bool) *models.Class {
return &models.Class{
Class: name,
Properties: props,
MultiTenancyConfig: &models.MultiTenancyConfig{Enabled: mtEnabled},
ShardingConfig: sharding.Config{},
ReplicationConfig: &models.ReplicationConfig{},
}
}
newProp = func(name, dt string) *models.Property {
return &models.Property{
Name: name,
DataType: []string{dt},
}
}
)
tests := []testCase{
{
name: "one class repaired locally",
originalLocal: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("textProp", "text")}, false),
}},
},
remote: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("textProp", "text")}, false),
newClass("Class2", properties{newProp("intProp", "int")}, false),
}},
},
},
{
name: "one class's properties repaired locally",
originalLocal: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("intProp", "int")}, false),
newClass("Class2", properties{newProp("intProp", "int")}, false),
}},
},
remote: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("textProp", "text"), newProp("intProp", "int")}, false),
newClass("Class2", properties{newProp("intProp", "int")}, false),
}},
},
},
{
name: "one class's tenants repaired locally",
originalLocal: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("textProp", "text")}, true),
}},
},
remote: State{
ObjectSchema: &models.Schema{Classes: classes{
newClass("Class1", properties{newProp("textProp", "text")}, true),
}},
},
tenants: map[string][]string{
"Class1": {"tenant1", "tenant2"},
},
},
}
t.Run("init testcase sharding states", func(t *testing.T) {
for i := range tests {
tests[i].originalLocal.ShardingState = map[string]*sharding.State{}
for _, class := range tests[i].originalLocal.ObjectSchema.Classes {
ss := newShardingState(class.Class)
tests[i].originalLocal.ShardingState[class.Class] = ss
}
tests[i].remote.ShardingState = map[string]*sharding.State{}
for _, class := range tests[i].remote.ObjectSchema.Classes {
tenants := tests[i].tenants[class.Class]
ss := newShardingState(class.Class, tenants...)
tests[i].remote.ShardingState[class.Class] = ss
}
}
})
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
m := &Manager{
logger: logger,
clusterState: clusterState,
cluster: txManager,
repo: &fakeRepo{schema: test.originalLocal},
schemaCache: schemaCache{State: test.originalLocal},
}
require.Nil(t, m.repo.Save(ctx, test.originalLocal))
t.Run("run repair", func(t *testing.T) {
err := m.repairSchema(ctx, &test.remote)
assert.Nil(t, err, "expected nil err, got: %v", err)
})
t.Run("assert local and remote are in sync", func(t *testing.T) {
t.Run("compare classes", func(t *testing.T) {
expected := test.remote.ObjectSchema.Classes
received := m.schemaCache.State.ObjectSchema.Classes
// Sort the classes and their properties for easier comparison
sortSchemaClasses(expected)
sortSchemaClasses(received)
assert.ElementsMatch(t, expected, received)
})
t.Run("compare sharding states", func(t *testing.T) {
for id, ss := range m.ShardingState {
expectedSS, found := test.remote.ShardingState[id]
assert.True(t, found)
assert.EqualValues(t, expectedSS, ss)
}
})
})
})
}
}
func sortSchemaClasses(classes []*models.Class) {
sort.Slice(classes, func(i, j int) bool {
return classes[i].Class > classes[j].Class
})
for _, class := range classes {
sort.Slice(class.Properties, func(i, j int) bool {
return class.Properties[i].Name > class.Properties[j].Name
})
}
}
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