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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.CodeDom;
using System.Web.Razor.Generator;
using System.Web.Razor.Parser;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test
{
public class RazorEngineHostTest
{
[Fact]
public void ConstructorRequiresNonNullCodeLanguage()
{
Assert.ThrowsArgumentNull(() => new RazorEngineHost(null), "codeLanguage");
Assert.ThrowsArgumentNull(() => new RazorEngineHost(null, () => new HtmlMarkupParser()), "codeLanguage");
}
[Fact]
public void ConstructorRequiresNonNullMarkupParser()
{
Assert.ThrowsArgumentNull(() => new RazorEngineHost(new CSharpRazorCodeLanguage(), null), "markupParserFactory");
}
[Fact]
public void ConstructorWithCodeLanguageSetsPropertiesAppropriately()
{
// Arrange
RazorCodeLanguage language = new CSharpRazorCodeLanguage();
// Act
RazorEngineHost host = new RazorEngineHost(language);
// Assert
VerifyCommonDefaults(host);
Assert.Same(language, host.CodeLanguage);
Assert.IsType<HtmlMarkupParser>(host.CreateMarkupParser());
}
[Fact]
public void ConstructorWithCodeLanguageAndMarkupParserSetsPropertiesAppropriately()
{
// Arrange
RazorCodeLanguage language = new CSharpRazorCodeLanguage();
ParserBase expected = new HtmlMarkupParser();
// Act
RazorEngineHost host = new RazorEngineHost(language, () => expected);
// Assert
VerifyCommonDefaults(host);
Assert.Same(language, host.CodeLanguage);
Assert.Same(expected, host.CreateMarkupParser());
}
[Fact]
public void DecorateCodeParserRequiresNonNullCodeParser()
{
Assert.ThrowsArgumentNull(() => CreateHost().DecorateCodeParser(null), "incomingCodeParser");
}
[Fact]
public void DecorateMarkupParserRequiresNonNullMarkupParser()
{
Assert.ThrowsArgumentNull(() => CreateHost().DecorateMarkupParser(null), "incomingMarkupParser");
}
[Fact]
public void DecorateCodeGeneratorRequiresNonNullCodeGenerator()
{
Assert.ThrowsArgumentNull(() => CreateHost().DecorateCodeGenerator(null), "incomingCodeGenerator");
}
[Fact]
public void PostProcessGeneratedCodeRequiresNonNullCompileUnit()
{
Assert.ThrowsArgumentNull(() => CreateHost().PostProcessGeneratedCode(codeCompileUnit: null,
generatedNamespace: new CodeNamespace(),
generatedClass: new CodeTypeDeclaration(),
executeMethod: new CodeMemberMethod()),
"codeCompileUnit");
}
[Fact]
public void PostProcessGeneratedCodeRequiresNonNullGeneratedNamespace()
{
Assert.ThrowsArgumentNull(() => CreateHost().PostProcessGeneratedCode(codeCompileUnit: new CodeCompileUnit(),
generatedNamespace: null,
generatedClass: new CodeTypeDeclaration(),
executeMethod: new CodeMemberMethod()),
"generatedNamespace");
}
[Fact]
public void PostProcessGeneratedCodeRequiresNonNullGeneratedClass()
{
Assert.ThrowsArgumentNull(() => CreateHost().PostProcessGeneratedCode(codeCompileUnit: new CodeCompileUnit(),
generatedNamespace: new CodeNamespace(),
generatedClass: null,
executeMethod: new CodeMemberMethod()),
"generatedClass");
}
[Fact]
public void PostProcessGeneratedCodeRequiresNonNullExecuteMethod()
{
Assert.ThrowsArgumentNull(() => CreateHost().PostProcessGeneratedCode(codeCompileUnit: new CodeCompileUnit(),
generatedNamespace: new CodeNamespace(),
generatedClass: new CodeTypeDeclaration(),
executeMethod: null),
"executeMethod");
}
[Fact]
public void DecorateCodeParserDoesNotModifyIncomingParser()
{
// Arrange
ParserBase expected = new CSharpCodeParser();
// Act
ParserBase actual = CreateHost().DecorateCodeParser(expected);
// Assert
Assert.Same(expected, actual);
}
[Fact]
public void DecorateMarkupParserReturnsIncomingParser()
{
// Arrange
ParserBase expected = new HtmlMarkupParser();
// Act
ParserBase actual = CreateHost().DecorateMarkupParser(expected);
// Assert
Assert.Same(expected, actual);
}
[Fact]
public void DecorateCodeGeneratorReturnsIncomingCodeGenerator()
{
// Arrange
RazorCodeGenerator expected = new CSharpRazorCodeGenerator("Foo", "Bar", "Baz", CreateHost());
// Act
RazorCodeGenerator actual = CreateHost().DecorateCodeGenerator(expected);
// Assert
Assert.Same(expected, actual);
}
[Fact]
public void PostProcessGeneratedCodeDoesNotModifyCode()
{
// Arrange
CodeCompileUnit compileUnit = new CodeCompileUnit();
CodeNamespace ns = new CodeNamespace();
CodeTypeDeclaration typeDecl = new CodeTypeDeclaration();
CodeMemberMethod execMethod = new CodeMemberMethod();
// Act
CreateHost().PostProcessGeneratedCode(compileUnit, ns, typeDecl, execMethod);
// Assert
Assert.Empty(compileUnit.Namespaces);
Assert.Empty(ns.Imports);
Assert.Empty(ns.Types);
Assert.Empty(typeDecl.Members);
Assert.Empty(execMethod.Statements);
}
private static RazorEngineHost CreateHost()
{
return new RazorEngineHost(new CSharpRazorCodeLanguage());
}
private static void VerifyCommonDefaults(RazorEngineHost host)
{
Assert.Equal(GeneratedClassContext.Default, host.GeneratedClassContext);
Assert.Empty(host.NamespaceImports);
Assert.False(host.DesignTimeMode);
Assert.Equal(RazorEngineHost.InternalDefaultClassName, host.DefaultClassName);
Assert.Equal(RazorEngineHost.InternalDefaultNamespace, host.DefaultNamespace);
}
}
}
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