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InterfaceBuilderTests.cs
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using NUnit.Framework;
namespace SharpCode.Test
{
[TestFixture]
public class InterfaceBuilderTests
{
[Test]
public void CreatingInterface_WithoutRequiredSettings_Throws()
{
Assert.Throws<MissingBuilderSettingException>(
() => Code.CreateInterface().ToSourceCode(),
"Generating the source code for an interface without a name should throw an exception.");
Assert.Throws<MissingBuilderSettingException>(
() => Code.CreateInterface().WithName(null).ToSourceCode(),
"Generating the source code for an interface with null as name should throw an exception.");
Assert.Throws<MissingBuilderSettingException>(
() => Code.CreateInterface().WithName(string.Empty).ToSourceCode(),
"Generating the source code for an interface with an empty string as name should throw an exception.");
Assert.Throws<MissingBuilderSettingException>(
() => Code.CreateInterface().WithName(" ").ToSourceCode(),
"Generating the source code for an interface with whitespace as name should throw an exception.");
}
[Test]
public void CreatingInterface_ValidatesPropertiesDefinitions()
{
Assert.Throws<SyntaxException>(
() => Code.CreateInterface("ITest")
.WithProperty(Code.CreateProperty("int", "Test").WithDefaultValue("42"))
.ToSourceCode(),
"Generating the source code for an interface with a property that has a default value should throw an exception.");
Assert.Throws<SyntaxException>(
() => Code.CreateInterface("ITest")
.WithProperty(Code.CreateProperty("int", "Test").WithGetter("_value"))
.ToSourceCode(),
"Generating the source code for an interface with a property that has " +
"a non auto implemented getter should throw an exception.");
Assert.Throws<SyntaxException>(
() => Code.CreateInterface("ITest")
.WithProperty(Code.CreateProperty("int", "Test").WithSetter("_value = value"))
.ToSourceCode(),
"Generating the source code for an interface with a property that has " +
"a non auto implemented setter should throw an exception.");
Assert.Throws<SyntaxException>(
() => Code.CreateInterface("ITest")
.WithProperty(Code.CreateProperty("int", "Test").WithoutGetter().WithoutSetter())
.ToSourceCode(),
"Generating the source code for an interface with a property that does not have " +
"a getter nor a setter should throw an exception.");
}
[Test]
public void CreatingInterface_Works()
{
var generatedCode = Code.CreateInterface("ITest").ToSourceCode().WithUnixEOL();
var expectedCode = @"
public interface ITest
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreatingInterface_WithImplementedInterfaces_Works()
{
var generatedCode = Code.CreateInterface("ITest")
.WithImplementedInterface("IHaveTests")
.WithImplementedInterface("IFailNot")
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface ITest : IHaveTests, IFailNot
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreatingInterface_WithDifferentAccessModifiers_Works()
{
var expectedCode = @"
{access-modifier} interface ITest
{
}
".WithUnixEOL();
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", string.Empty).Trim(),
Code.CreateInterface("ITest", AccessModifier.None).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "private").Trim(),
Code.CreateInterface("ITest", AccessModifier.Private).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "private internal").Trim(),
Code.CreateInterface("ITest", AccessModifier.PrivateInternal).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "internal").Trim(),
Code.CreateInterface("ITest", AccessModifier.Internal).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "protected").Trim(),
Code.CreateInterface("ITest", AccessModifier.Protected).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "protected internal").Trim(),
Code.CreateInterface("ITest", AccessModifier.ProtectedInternal).ToSourceCode().WithUnixEOL());
Assert.AreEqual(
expectedCode.Replace("{access-modifier}", "public").Trim(),
Code.CreateInterface("ITest", AccessModifier.Public).ToSourceCode().WithUnixEOL());
}
[Test]
public void CreatingInterface_WithProperties_Works()
{
var generatedCode = Code.CreateInterface("ITest")
.WithProperty(Code.CreateProperty("int", "Number"))
.WithProperty(Code.CreateProperty("string", "Stringy"))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface ITest
{
int Number
{
get;
set;
}
string Stringy
{
get;
set;
}
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreatingInterface_WithSummary_Works()
{
var generatedCode = Code.CreateInterface()
.WithAccessModifier(AccessModifier.Public)
.WithName("ISerializable")
.WithSummary("Allows an object to control its own serialization and deserialization.")
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
/// <summary>
/// Allows an object to control its own serialization and deserialization.
/// </summary>
public interface ISerializable
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
}
}