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InterfaceBuilderTests.cs
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using System;
using System.Collections.Generic;
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.");
}
[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").WithSetter("_value = 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")
.WithImplementedInterfaces("IFailNot", "IHaveCoverage")
.WithImplementedInterfaces(new List<string> { "IHaveNiceComments" })
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface ITest : IHaveTests, IFailNot, IHaveCoverage, IHaveNiceComments
{
}
".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 protected").Trim(),
Code.CreateInterface("ITest", AccessModifier.PrivateProtected).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"))
.WithProperties(Code.CreateProperty("string", "Stringy"))
.WithProperties(new List<PropertyBuilder>
{
Code.CreateProperty("bool", "Booly"),
})
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface ITest
{
int Number { get; set; }
string Stringy { get; set; }
bool Booly { 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);
}
[Test]
public void CreateInterface_WithTypeParameter_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameter(Code.CreateTypeParameter("TKey", "IEquatable<TKey>"))
.WithTypeParameter(Code.CreateTypeParameter("TValue", TypeParameterConstraint.NotNull))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<TKey, TValue>
where TKey : IEquatable<TKey> where TValue : notnull
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithTypeParameters_Params_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameters(
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V"))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<K, V>
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithTypeParameters_IEnumerable_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameters(new List<TypeParameterBuilder>()
{
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V"),
})
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<K, V>
{
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithTypeParameters_WithProperty_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameter(Code.CreateTypeParameter("TKey", "IEquatable<TKey>"))
.WithTypeParameter(Code.CreateTypeParameter("TValue", TypeParameterConstraint.NotNull))
.WithProperty(
Code.CreateProperty("Dictionary", "Store")
.WithTypeParameters(
Code.CreateTypeParameter("TKey"),
Code.CreateTypeParameter("TValue")))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<TKey, TValue>
where TKey : IEquatable<TKey> where TValue : notnull
{
Dictionary<TKey, TValue> Store { get; set; }
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithTypeParameters_Params_WithProperty_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameters(
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V"))
.WithProperty(
Code.CreateProperty("Dictionary", "Store")
.WithTypeParameters(
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V")))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<K, V>
{
Dictionary<K, V> Store { get; set; }
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithTypeParameters_IEnumerable_WithProperty_Works()
{
var generatedCode = Code.CreateInterface("Dict")
.WithTypeParameters(new List<TypeParameterBuilder>()
{
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V"),
})
.WithProperty(
Code.CreateProperty("Dictionary", "Store")
.WithTypeParameters(
Code.CreateTypeParameter("K"),
Code.CreateTypeParameter("V")))
.ToSourceCode()
.WithUnixEOL();
var expectedCode = @"
public interface Dict<K, V>
{
Dictionary<K, V> Store { get; set; }
}
".Trim().WithUnixEOL();
Assert.AreEqual(expectedCode, generatedCode);
}
[Test]
public void CreateInterface_WithInvalidName_Throws()
{
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithName(null),
"Setting interface name to 'null' should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithName(string.Empty),
"Setting interface name to an empty string should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithName(" "),
"Setting interface name to a whitespace string should throw an exception.");
}
[Test]
public void CreateInterface_WithInvalidImplementedInterface_Throws()
{
// WithImplementedInterface()
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithImplementedInterface(null),
"Adding an implemented interface with a 'null' name should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterface(string.Empty),
"Adding an implemented interface with an empty name should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterface(" "),
"Adding an implemented interface with a whitespace name should throw an exception.");
// WithImplementedInterfaces(params)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithImplementedInterfaces(null as string[]),
"Adding implemented interfaces from a 'null' collection should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterfaces("IEnumerable", null),
"Adding an implemented interface with a 'null' name should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterfaces("IEnumerable", string.Empty),
"Adding an implemented interface with a whitespace name should throw an exception.");
// WithImplementedInterfaces(IEnumerable)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithImplementedInterfaces(null as IEnumerable<string>),
"Adding implemented interfaces from a 'null' collection should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterfaces(new List<string> { "IEnumerable", null }),
"Adding an implemented interface with a 'null' name should throw an exception.");
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithImplementedInterfaces(new List<string> { "IEnumerable", string.Empty }),
"Adding an implemented interface with a whitespace name should throw an exception.");
}
[Test]
public void CreateInterface_WithInvalidSummary_Throws()
{
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithSummary(null),
"Setting interface summary to 'null' should throw an exception.");
}
[Test]
public void CreateInterface_WithInvalidProperty_Throws()
{
// WithProperty()
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithProperty(null));
// WithProperties(params)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithProperties(null as PropertyBuilder[]));
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithProperties(new PropertyBuilder[] { null }));
// WithProperties(IEnumerable)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithProperties(null as IEnumerable<PropertyBuilder>));
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithProperties(new List<PropertyBuilder> { null }));
}
[Test]
public void CreateInterface_WithInvalidTypeParameter_Throws()
{
// WithProperty()
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithTypeParameter(null));
// WithTypeParameters(params)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithTypeParameters(null as TypeParameterBuilder[]));
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithTypeParameters(new TypeParameterBuilder[] { null }));
// WithTypeParameters(IEnumerable)
Assert.Throws<ArgumentNullException>(
() => Code.CreateInterface().WithTypeParameters(null as IEnumerable<TypeParameterBuilder>));
Assert.Throws<ArgumentException>(
() => Code.CreateInterface().WithTypeParameters(new List<TypeParameterBuilder> { null }));
}
}
}