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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.Migrations
{
using System.Data.Entity.Migrations.Design;
using System.Data.Entity.Migrations.Infrastructure;
using Xunit;
using Xunit.Extensions;
[Variant(DatabaseProvider.SqlClient, ProgrammingLanguage.CSharp)]
[Variant(DatabaseProvider.SqlServerCe, ProgrammingLanguage.CSharp)]
[Variant(DatabaseProvider.SqlClient, ProgrammingLanguage.VB)]
public class DashScriptScenarios : DbTestCase
{
private string CreateMetadataStatement
{
get
{
if (DatabaseProvider == DatabaseProvider.SqlServerCe)
{
return "CREATE TABLE [__MigrationHistory]";
}
return "CREATE TABLE [dbo].[__MigrationHistory]";
}
}
private string DropMetadataStatement
{
get
{
if (DatabaseProvider == DatabaseProvider.SqlServerCe)
{
return "DROP TABLE [__MigrationHistory]";
}
return "DROP TABLE [dbo].[__MigrationHistory]";
}
}
[MigrationsTheory]
public void Can_script_pending_migrations()
{
ResetDatabase();
var migrator1 = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version1");
CreateMigrator<ShopContext_v1>(scaffoldedMigrations: version1).Update();
var migrator2 = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: version1);
var version2 = new MigrationScaffolder(migrator2.Configuration).Scaffold("Version2");
var migrator3 = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: new[] { version1, version2 });
var scriptingDecorator = new MigratorScriptingDecorator(migrator3);
var script = scriptingDecorator.ScriptUpdate(null, null);
Assert.False(script.Contains("Version1"));
Assert.True(script.Contains("Version2"));
Assert.False(script.Contains("AutomaticMigration"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_windows(bool whenDatabaseExists)
{
ResetDatabase();
var migrator1 = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version1");
CreateMigrator<ShopContext_v1>(scaffoldedMigrations: version1).Update();
var migrator2 = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: version1);
var version2 = new MigrationScaffolder(migrator2.Configuration).Scaffold("Version2");
CreateMigrator<ShopContext_v2>(scaffoldedMigrations: new[] { version1, version2 }).Update();
var migrator3 = CreateMigrator<ShopContext_v3>(scaffoldedMigrations: new[] { version1, version2 });
var version3 = new MigrationScaffolder(migrator3.Configuration).Scaffold("Version3");
var migrator4 = CreateMigrator<ShopContext_v3>(scaffoldedMigrations: new[] { version1, version2, version3 });
var scriptingDecorator = new MigratorScriptingDecorator(migrator4);
if (!whenDatabaseExists)
{
ResetDatabase();
}
// All
var script = scriptingDecorator.ScriptUpdate(DbMigrator.InitialDatabase, null);
Assert.True(script.Contains(CreateMetadataStatement));
Assert.True(script.Contains("Version1"));
Assert.True(script.Contains("Version2"));
Assert.True(script.Contains("Version3"));
Assert.False(script.Contains("AutomaticMigration"));
// 1
script = scriptingDecorator.ScriptUpdate(DbMigrator.InitialDatabase, version1.MigrationId);
Assert.True(script.Contains(CreateMetadataStatement));
Assert.True(script.Contains("Version1"));
Assert.False(script.Contains("Version2"));
Assert.False(script.Contains("Version3"));
Assert.False(script.Contains("AutomaticMigration"));
// 1 & 2
script = scriptingDecorator.ScriptUpdate(DbMigrator.InitialDatabase, version2.MigrationId);
Assert.True(script.Contains(CreateMetadataStatement));
Assert.True(script.Contains("Version1"));
Assert.True(script.Contains("Version2"));
Assert.False(script.Contains("Version3"));
Assert.False(script.Contains("AutomaticMigration"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_first_migration_with_leading_automatic_migration(bool whenDatabaseExists)
{
ResetDatabase();
CreateMigrator<ShopContext_v1>().Update();
var migrator1 = CreateMigrator<ShopContext_v2>();
var version2 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version2");
var migrator2 = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: version2);
migrator2.Update();
if (!whenDatabaseExists)
{
ResetDatabase();
}
var scriptingDecorator
= new MigratorScriptingDecorator(CreateMigrator<ShopContext_v2>(scaffoldedMigrations: version2));
// Act
var script = scriptingDecorator.ScriptUpdate(DbMigrator.InitialDatabase, version2.MigrationId);
// Assert
Assert.True(script.Contains(CreateMetadataStatement));
Assert.True(script.Contains("AutomaticMigration"));
Assert.True(script.Contains("Version2"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_middle_migration_with_leading_automatic_migration(bool whenDatabaseExists)
{
ResetDatabase();
var migrator1 = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version1");
CreateMigrator<ShopContext_v1>(scaffoldedMigrations: version1).Update();
CreateMigrator<ShopContext_v2>(automaticDataLossEnabled: true, scaffoldedMigrations: version1).Update();
var migrator2 = CreateMigrator<ShopContext_v3>(scaffoldedMigrations: version1);
var version3 = new MigrationScaffolder(migrator2.Configuration).Scaffold("Version3");
var migrator3 = CreateMigrator<ShopContext_v3>(
automaticDataLossEnabled: true, scaffoldedMigrations: new[] { version1, version3 });
migrator3.Update();
var scriptingDecorator = new MigratorScriptingDecorator(migrator3);
if (!whenDatabaseExists)
{
ResetDatabase();
}
// Act
var script = scriptingDecorator.ScriptUpdate(version1.MigrationId, version3.MigrationId);
// Assert
Assert.False(script.Contains(CreateMetadataStatement));
Assert.False(script.Contains("Version1"));
Assert.True(script.Contains("AutomaticMigration"));
Assert.True(script.Contains("Version3"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_last_migration_with_trailing_automatic_migration(bool whenDatabaseExists)
{
ResetDatabase();
var migrator1 = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version1");
var migrator2 = CreateMigrator<ShopContext_v2>(automaticDataLossEnabled: true, scaffoldedMigrations: version1);
migrator2.Update();
var scriptingDecorator = new MigratorScriptingDecorator(migrator2);
if (!whenDatabaseExists)
{
ResetDatabase();
}
// Act
var script = scriptingDecorator.ScriptUpdate(DbMigrator.InitialDatabase, version1.MigrationId);
// Assert
Assert.True(script.Contains(CreateMetadataStatement));
Assert.True(script.Contains("Version1"));
Assert.False(script.Contains("AutomaticMigration"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_trailing_automatic_migration(bool whenDatabaseExists)
{
ResetDatabase();
var migrator1 = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator1.Configuration).Scaffold("Version1");
var migrator2 = CreateMigrator<ShopContext_v2>(automaticDataLossEnabled: true, scaffoldedMigrations: version1);
migrator2.Update();
var scriptingDecorator = new MigratorScriptingDecorator(migrator2);
if (!whenDatabaseExists)
{
ResetDatabase();
}
// Act
var script = scriptingDecorator.ScriptUpdate(version1.MigrationId, null);
// Assert
Assert.False(script.Contains(CreateMetadataStatement));
Assert.False(script.Contains("Version1"));
Assert.True(script.Contains("AutomaticMigration"));
}
[MigrationsTheory]
public void Can_script_downs()
{
ResetDatabase();
var version1 = new MigrationScaffolder(CreateMigrator<ShopContext_v1>().Configuration).Scaffold("Version1");
var migrator = CreateMigrator<ShopContext_v1>(scaffoldedMigrations: version1);
migrator.Update();
var scriptingDecorator = new MigratorScriptingDecorator(migrator);
var script = scriptingDecorator.ScriptUpdate(null, DbMigrator.InitialDatabase);
Assert.True(script.Contains(DropMetadataStatement));
Assert.False(script.Contains("Version1"));
}
[MigrationsTheory]
[InlineData(true)]
[InlineData(false)]
public void Can_script_using_migration_names(bool whenDatabaseExists)
{
ResetDatabase();
var migrator = CreateMigrator<ShopContext_v1>();
var version1 = new MigrationScaffolder(migrator.Configuration).Scaffold("Banana");
CreateMigrator<ShopContext_v1>(scaffoldedMigrations: version1).Update();
migrator = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: version1);
var version2 = new MigrationScaffolder(migrator.Configuration).Scaffold("Apple");
migrator = CreateMigrator<ShopContext_v2>(scaffoldedMigrations: new[] { version1, version2 });
migrator.Update();
if (!whenDatabaseExists)
{
ResetDatabase();
}
var scriptingDecorator
= new MigratorScriptingDecorator(
CreateMigrator<ShopContext_v2>(scaffoldedMigrations: new[] { version1, version2 }));
var script = scriptingDecorator.ScriptUpdate("Banana", "Apple");
Assert.False(script.Contains(CreateMetadataStatement));
Assert.False(script.Contains("Banana"));
Assert.True(script.Contains("Apple"));
Assert.False(script.Contains("AutomaticMigration"));
}
}
}
|
