1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.Internal
{
using System.Data.Entity.Config;
using System.Data.Entity.Infrastructure;
using System.Data.Entity.Migrations;
using System.Data.Entity.Migrations.Infrastructure;
using System.Data.Entity.Migrations.Sql;
using System.Data.SqlClient;
using Moq;
using Xunit;
public class DatabaseCreatorTests
{
[Fact]
public void CreateDatabase_uses_core_provider_when_not_in_code_first_mode()
{
var mockOperations = new Mock<DatabaseOperations>();
var mockContext = CreateMockContextForMigrator(mockOperations, codeFirst: false);
new DatabaseCreator().CreateDatabase(
mockContext.Object,
(config, context) =>
{
Assert.True(false);
return null;
},
null);
mockOperations.Verify(m => m.Create(null), Times.Once());
mockContext.Verify(m => m.SaveMetadataToDatabase(), Times.Once());
mockContext.Verify(m => m.MarkDatabaseInitialized(), Times.Once());
}
[Fact]
public void CreateDatabase_uses_core_provider_when_provider_is_not_SQL_Server_or_SQL_CE()
{
var mockOperations = new Mock<DatabaseOperations>();
var mockContext = CreateMockContextForMigrator(mockOperations);
mockContext.Setup(m => m.ProviderName).Returns("Some.Other.Provider");
new DatabaseCreator().CreateDatabase(
mockContext.Object,
(config, context) =>
{
Assert.True(false);
return null;
},
null);
mockOperations.Verify(m => m.Create(null), Times.Once());
mockContext.Verify(m => m.SaveMetadataToDatabase(), Times.Once());
mockContext.Verify(m => m.MarkDatabaseInitialized(), Times.Once());
}
[Fact]
public void CreateDatabase_uses_Migrations_when_provider_is_SQL_Server()
{
CreateDatabase_uses_Migrations_when_provider_is_known("System.Data.SqlClient");
}
[Fact]
public void CreateDatabase_uses_Migrations_when_provider_is_SQL_CE()
{
CreateDatabase_uses_Migrations_when_provider_is_known("System.Data.SqlServerCe.4.0");
}
[Fact]
public void CreateDatabase_uses_Migrations_when_provider_when_SQL_generator_has_been_registered()
{
var mockMigrationsResolver = new Mock<IDbDependencyResolver>();
mockMigrationsResolver
.Setup(m => m.GetService(typeof(MigrationSqlGenerator), "FooClient"))
.Returns(new Mock<MigrationSqlGenerator>().Object);
CreateDatabase_uses_Migrations_when_provider_is_known("FooClient", mockMigrationsResolver.Object);
}
private void CreateDatabase_uses_Migrations_when_provider_is_known(string provider, IDbDependencyResolver resolver = null)
{
var mockOperations = new Mock<DatabaseOperations>();
var mockContext = CreateMockContextForMigrator(mockOperations);
mockContext.Setup(m => m.ProviderName).Returns(provider);
Mock<MigratorBase> mockMigrator = null;
new DatabaseCreator(resolver ?? DbConfiguration.DependencyResolver)
.CreateDatabase(
mockContext.Object,
(config, context) => (mockMigrator = new Mock<MigratorBase>(null)).Object,
null);
mockMigrator.Verify(m => m.Update(null), Times.Once());
mockOperations.Verify(m => m.Create(null), Times.Never());
mockContext.Verify(m => m.SaveMetadataToDatabase(), Times.Never());
mockContext.Verify(m => m.MarkDatabaseInitialized(), Times.Once());
}
[Fact]
public void CreateDatabase_using_Migrations_configures_a_migrator_appropriately()
{
DbMigrationsConfiguration configuration = null;
new DatabaseCreator().CreateDatabase(
CreateMockContextForMigrator().Object,
(config, context) =>
{
configuration = config;
return new Mock<DbMigrator>(config, context).Object;
},
null);
Assert.True(typeof(FakeContext).IsAssignableFrom(configuration.ContextType));
Assert.True(configuration.AutomaticMigrationsEnabled);
Assert.Equal(
"Database=Foo",
configuration.TargetDatabase.GetConnectionString(AppConfig.DefaultInstance).ConnectionString);
Assert.Equal("System.Data.Entity.Internal.DatabaseCreatorTests+FakeContext", configuration.ContextKey);
}
[Fact]
public void CreateDatabase_using_Migrations_calls_Update_on_a_migrator_and_marks_database_as_initialized()
{
var mockContext = CreateMockContextForMigrator();
Mock<DbMigrator> mockMigrator = null;
new DatabaseCreator().CreateDatabase(
mockContext.Object,
(config, context) => (mockMigrator = new Mock<DbMigrator>(config, context)).Object,
null);
mockMigrator.Verify(m => m.Update(null), Times.Once());
mockContext.Verify(m => m.MarkDatabaseInitialized(), Times.Once());
}
[Fact]
public void CreateDatabase_using_Migrations_does_not_disable_initializers()
{
Mock<DbMigrator> mockMigrator = null;
new DatabaseCreator().CreateDatabase(
CreateMockContextForMigrator().Object,
(config, context) => (mockMigrator = new Mock<DbMigrator>(config, context)).Object,
null);
mockMigrator.Verify(m => m.DisableInitializer(It.IsAny<Type>()), Times.Never());
}
[Fact]
public void CreateDatabase_using_Migrations_does_not_dispose_users_context()
{
var mockContext = CreateMockContextForMigrator();
new DatabaseCreator().CreateDatabase(
mockContext.Object,
(config, context) => new Mock<DbMigrator>(config, context).Object,
null);
Assert.False(mockContext.Object.IsDisposed);
}
public class FakeContext : DbContext
{
static FakeContext()
{
Database.SetInitializer<FakeContext>(null);
}
}
private Mock<InternalContextForMock<FakeContext>> CreateMockContextForMigrator(
Mock<DatabaseOperations> mockOperations = null, bool codeFirst = true)
{
var mockCompiledModel = new Mock<DbCompiledModel>();
mockCompiledModel.Setup(m => m.CachedModelBuilder).Returns(new DbModelBuilder());
var mockContext = new Mock<InternalContextForMock<FakeContext>>();
mockContext.Setup(m => m.CodeFirstModel).Returns(codeFirst ? mockCompiledModel.Object : null);
mockContext.Setup(m => m.OriginalConnectionString).Returns("Database=Foo");
mockContext.Setup(m => m.ProviderName).Returns("System.Data.SqlClient");
mockContext.Setup(m => m.ModelProviderInfo).Returns(ProviderRegistry.Sql2008_ProviderInfo);
mockContext.Setup(m => m.Connection).Returns(new SqlConnection());
mockContext.Setup(m => m.OwnerShortTypeName).Returns(typeof(FakeContext).ToString());
if (mockOperations != null)
{
mockContext.Setup(m => m.DatabaseOperations).Returns(mockOperations.Object);
}
return mockContext;
}
}
}
|
