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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.Utilities
{
using System.Collections;
using System.Data.Entity.Migrations.Design;
using System.IO;
using System.Linq;
using System.Resources;
using EnvDTE;
using Moq;
using Xunit;
public class MigrationWriterTests : IDisposable
{
private const string MigrationName = "InitialCreate";
private const string MigrationId = "201206072128312_" + MigrationName;
private const string Language = "cs";
private const string MigrationsDirectory = "Migrations";
private const string UserCodeFileName = MigrationId + "." + Language;
private const string DesignerCodeFileName = MigrationId + ".Designer." + Language;
private const string ResourcesFileName = MigrationId + ".resx";
private const string UserCodePath = MigrationsDirectory + @"\" + UserCodeFileName;
private const string DesignerCodePath = MigrationsDirectory + @"\" + DesignerCodeFileName;
private const string ResourcesPath = MigrationsDirectory + @"\" + ResourcesFileName;
private const string ResourceName = "MyResource";
private readonly string _projectDir = IOHelpers.GetTempDirName();
[Fact]
public void Write_writes_artifacts()
{
TestWrite(
(writer, scaffoldedMigration) =>
writer.Write(scaffoldedMigration));
}
[Fact]
public void Write_overwrites_designerCode_and_resources_when_rescaffolding()
{
CreateProject(
"The user code.",
"The old designer code.",
"The old resource.");
TestWrite(
(writer, scaffoldedMigration) =>
writer.Write(scaffoldedMigration, rescaffolding: true));
}
[Fact]
public void Write_doesnt_overwrite_userCode_when_rescaffolding()
{
CreateProject(
"The edited user code.",
"The old designer code.",
"The old resource.");
TestWrite(
(writer, scaffoldedMigration) =>
writer.Write(scaffoldedMigration, rescaffolding: true, name: MigrationName),
skipUserCodeVerification: true);
var userCodePath = Path.Combine(_projectDir, UserCodePath);
Assert.Equal("The edited user code.", File.ReadAllText(userCodePath));
}
[Fact]
public void Write_overwrites_artifacts_when_rescaffolding_with_force()
{
CreateProject(
"The edited user code.",
"The old designer code.",
"The old resource.");
TestWrite(
(writer, scaffoldedMigration) =>
writer.Write(scaffoldedMigration, rescaffolding: true, force: true));
}
public void Dispose()
{
Directory.Delete(_projectDir, recursive: true);
}
private void CreateProject(string userCode, string designerCode, string resource)
{
Directory.CreateDirectory(Path.Combine(_projectDir, MigrationsDirectory));
var userCodePath = Path.Combine(_projectDir, UserCodePath);
File.WriteAllText(userCodePath, userCode);
var designerCodePath = Path.Combine(_projectDir, DesignerCodePath);
File.WriteAllText(designerCodePath, designerCode);
var resourcesPath = Path.Combine(_projectDir, ResourcesPath);
using (var resourceWriter = new ResXResourceWriter(resourcesPath))
{
resourceWriter.AddResource(ResourceName, resource);
}
}
private void TestWrite(
Func<System.Data.Entity.Migrations.Utilities.MigrationWriter, ScaffoldedMigration, string> action,
bool skipUserCodeVerification = false)
{
var command = CreateCommand(_projectDir);
var writer = new System.Data.Entity.Migrations.Utilities.MigrationWriter(command);
var scaffoldedMigration = new ScaffoldedMigration
{
MigrationId = MigrationId,
Language = Language,
Directory = MigrationsDirectory,
UserCode = "The user code.",
DesignerCode = "The designer code.",
Resources =
{
{ ResourceName, "The resource." }
}
};
var relativeUserCodePath = action(writer, scaffoldedMigration);
Assert.Equal(UserCodePath, relativeUserCodePath);
if (!skipUserCodeVerification)
{
var userCodePath = Path.Combine(_projectDir, UserCodePath);
Assert.Equal("The user code.", File.ReadAllText(userCodePath));
}
var designerCodePath = Path.Combine(_projectDir, DesignerCodePath);
Assert.Equal("The designer code.", File.ReadAllText(designerCodePath));
var resourcesPath = Path.Combine(_projectDir, ResourcesPath);
using (var reader = new ResXResourceReader(resourcesPath))
{
var resources = reader.Cast<DictionaryEntry>();
Assert.Equal(1, resources.Count());
Assert.Contains(new DictionaryEntry(ResourceName, "The resource."), resources);
}
}
private static System.Data.Entity.Migrations.MigrationsDomainCommand CreateCommand(string projectDir)
{
var fullPathProperty = new Mock<Property>();
fullPathProperty.SetupGet(p => p.Value).Returns(projectDir);
var properties = new Mock<Properties>();
properties.Setup(p => p.Item("FullPath")).Returns(fullPathProperty.Object);
var dte = new Mock<DTE>();
var projectItems = new Mock<ProjectItems>();
projectItems.SetupGet(pi => pi.Kind).Returns(
System.Data.Entity.Migrations.Extensions.ProjectExtensions.VsProjectItemKindPhysicalFolder);
projectItems.Setup(pi => pi.AddFromDirectory(It.IsAny<string>())).Returns(
() =>
{
var dirProjectItems = new Mock<ProjectItems>();
var dirProjectItem = new Mock<ProjectItem>();
dirProjectItem.SetupGet(pi => pi.ProjectItems).Returns(dirProjectItems.Object);
return dirProjectItem.Object;
});
var project = new Mock<Project>();
projectItems.SetupGet(pi => pi.Parent).Returns(() => project.Object);
project.SetupGet(p => p.Properties).Returns(properties.Object);
project.SetupGet(p => p.DTE).Returns(dte.Object);
project.SetupGet(p => p.ProjectItems).Returns(projectItems.Object);
var command = new Mock<System.Data.Entity.Migrations.MigrationsDomainCommand>();
command.SetupGet(c => c.Project).Returns(project.Object);
command.Setup(c => c.WriteWarning(It.IsAny<string>())).Callback(() => { });
return command.Object;
}
}
}
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