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// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition.UnitTesting;
using System.ComponentModel.Composition.Factories;
using System.Linq;
using System.UnitTesting;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace System.ComponentModel.Composition
{
[TestClass]
public class CompositionResultOfTTest
{
[TestMethod]
public void Constructor1_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>();
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor2_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>("Value");
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor3_NullAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>((CompositionError[])null);
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor4_NullAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>((IEnumerable<CompositionError>)null);
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor5_NullAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>("Value", (IEnumerable<CompositionError>)null);
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor3_EmptyAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>(new CompositionError[0]);
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor4_EmptyAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>(Enumerable.Empty<CompositionError>());
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor5_EmptyAsErrorsArgument_ShouldSetErrorsPropertyToEmptyEnumerable()
{
var result = new CompositionResult<string>("Value", Enumerable.Empty<CompositionError>());
EnumerableAssert.IsEmpty(result.Errors);
}
[TestMethod]
public void Constructor3_ValuesAsErrorsArgument_ShouldSetErrorsProperty()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>(e.ToArray());
EnumerableAssert.AreEqual(e, result.Errors);
}
}
[TestMethod]
public void Constructor4_ValuesAsErrorsArgument_ShouldSetErrorsProperty()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>(e);
EnumerableAssert.AreEqual(e, result.Errors);
}
}
[TestMethod]
public void Constructor5_ValuesAsErrorsArgument_ShouldSetErrorsProperty()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>("Value", e);
EnumerableAssert.AreEqual(e, result.Errors);
}
}
[TestMethod]
public void Constructor1_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>();
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor2_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>("Value");
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor3_NullAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>((CompositionError[])null);
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor4_NullAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>((IEnumerable<CompositionError>)null);
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor5_NullAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>("Value", (IEnumerable<CompositionError>)null);
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor3_EmptyAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>(new CompositionError[0]);
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor4_EmptyAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>(Enumerable.Empty<CompositionError>());
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor5_EmptyAsErrorsArgument_ShouldSetSucceededPropertyToTrue()
{
var result = new CompositionResult<string>("Value", Enumerable.Empty<CompositionError>());
Assert.IsTrue(result.Succeeded);
}
[TestMethod]
public void Constructor3_ValuesAsErrorsArgument_ShouldSetSucceededPropertyToTrueIfThereAreErrors()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>(e.ToArray());
if (e.Count() > 0)
{
Assert.IsFalse(result.Succeeded);
}
else
{
Assert.IsTrue(result.Succeeded);
}
}
}
[TestMethod]
public void Constructor4_ValuesAsErrorsArgument_ShouldSetSucceededPropertyToTrueIfThereAreErrors()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>(e);
if (e.Count() > 0)
{
Assert.IsFalse(result.Succeeded);
}
else
{
Assert.IsTrue(result.Succeeded);
}
}
}
[TestMethod]
public void Constructor5_ValuesAsErrorsArgument_ShouldSetSucceededPropertyToTrueIfThereAreErrors()
{
var errors = Expectations.GetCompositionErrors();
foreach (var e in errors)
{
var result = new CompositionResult<string>("Value", e);
if (e.Count() > 0)
{
Assert.IsFalse(result.Succeeded);
}
else
{
Assert.IsTrue(result.Succeeded);
}
}
}
[TestMethod]
public void ToResult_NullAsErrorsArgument_ShouldReturnResultWithEmptyErrorsProperty()
{
var result = CreateCompositionResult<string>((IEnumerable<CompositionError>)null);
var copy = result.ToResult();
EnumerableAssert.IsEmpty(copy.Errors);
}
[TestMethod]
public void ToResult_EmptyEnumerableAsErrorsArgument_ShouldReturnResultWithEmptyErrorsProperty()
{
var result = CreateCompositionResult<string>(Enumerable.Empty<CompositionError>());
var copy = result.ToResult();
EnumerableAssert.IsEmpty(copy.Errors);
}
[TestMethod]
public void ToResult_ValueAsErrorsArgument_ShouldReturnResultWithErrorsPropertySet()
{
var expectations = Expectations.GetCompositionErrors();
foreach (var e in expectations)
{
var result = CreateCompositionResult<string>(e);
var copy = result.ToResult();
EnumerableAssert.AreSequenceSame(result.Errors, copy.Errors);
}
}
[TestMethod]
public void ToResultOfT_NullAsErrorsArgument_ShouldReturnResultWithEmptyErrorsProperty()
{
var result = CreateCompositionResult<string>((IEnumerable<CompositionError>)null);
var copy = result.ToResult<string>();
EnumerableAssert.IsEmpty(copy.Errors);
}
[TestMethod]
public void ToResultOfT_EmptyEnumerableAsErrorsArgument_ShouldReturnResultWithEmptyErrorsProperty()
{
var result = CreateCompositionResult<string>(Enumerable.Empty<CompositionError>());
var copy = result.ToResult<string>();
EnumerableAssert.IsEmpty(copy.Errors);
}
[TestMethod]
public void ToResultOfT_ValueAsErrorsArgument_ShouldReturnResultWithErrorsPropertySet()
{
var expectations = Expectations.GetCompositionErrors();
foreach (var e in expectations)
{
var result = CreateCompositionResult<string>(e);
var copy = result.ToResult<string>();
EnumerableAssert.AreSequenceSame(result.Errors, copy.Errors);
}
}
[TestMethod]
public void ToResultOfT_ReferenceValueAsValueArgument_ShouldReturnResultWithNullValueProperty()
{
var expectations = Expectations.GetObjectsReferenceTypes();
foreach (var e in expectations)
{
var result = CreateCompositionResult<object>(e);
var copy = result.ToResult<object>();
Assert.IsNull(copy.Value);
}
}
[TestMethod]
public void ToResultOfT_ValueTypeValueAsValueArgument_ShouldReturnResultWithNullValueProperty()
{
var expectations = Expectations.GetObjectsValueTypes();
foreach (var e in expectations)
{
var result = CreateCompositionResult<ValueType>(e);
var copy = result.ToResult<ValueType>();
Assert.IsNull(copy.Value);
}
}
[TestMethod]
public void Value_NullAsErrorsArgumentAndValueAsValueArgument_ShouldReturnValue()
{
var expectations = Expectations.GetObjectsReferenceTypes();
foreach (var e in expectations)
{
var result = CreateCompositionResult<object>(e, (IEnumerable<CompositionError>)null);
Assert.AreEqual(e, result.Value);
}
}
[TestMethod]
public void Value_EmptyEnumerableAsErrorsArgumentAndValueAsValueArgument_ShouldReturnValue()
{
var expectations = Expectations.GetObjectsReferenceTypes();
foreach (var e in expectations)
{
var result = CreateCompositionResult<object>(e, Enumerable.Empty<CompositionError>());
Assert.AreEqual(e, result.Value);
}
}
[TestMethod]
public void Value_SingleValueAsErrorsArgument_ShouldThrowComposition()
{
var errorIds = Expectations.GetEnumValues<CompositionErrorId>();
foreach (var errorId in errorIds)
{
var result = CreateCompositionResult<string>(errorId);
CompositionAssert.ThrowsError((ErrorId)errorId, () =>
{
var value = result.Value;
});
}
}
[TestMethod]
public void Value_TwoSameValuesAsErrorsArgument_ShouldThrowComposition()
{
var errorIds = Expectations.GetEnumValues<CompositionErrorId>();
foreach (var errorId in errorIds)
{
var result = CreateCompositionResult<string>(errorId, errorId);
CompositionAssert.ThrowsErrors((ErrorId)errorId, (ErrorId)errorId, () =>
{
var value = result.Value;
});
}
}
[TestMethod]
public void Value_TwoDifferentValuesAsErrorsArgument_ShouldThrowComposition()
{
var errorIds1 = Expectations.GetEnumValues<CompositionErrorId>();
var errorIds2 = Expectations.GetEnumValues<CompositionErrorId>();
for (int i = 0; i < errorIds1.Count(); i++)
{
var errorId1 = errorIds1.ElementAt(i);
var errorId2 = errorIds1.ElementAt(errorIds2.Count() - 1 - i);
var result = CreateCompositionResult<string>(errorId1, errorId2);
CompositionAssert.ThrowsErrors((ErrorId)errorId1, (ErrorId)errorId2, () =>
{
var value = result.Value;
});
}
}
private CompositionResult<T> CreateCompositionResult<T>(params CompositionErrorId[] errorIds)
{
return new CompositionResult<T>(errorIds.Select(id =>
{
return ErrorFactory.Create(id);
}));
}
private CompositionResult<T> CreateCompositionResult<T>(int count)
{
var expectations = Expectations.GetEnumValues<CompositionErrorId>();
List<CompositionError> errors = new List<CompositionError>();
foreach (var e in expectations.Take(count))
{
errors.Add(ErrorFactory.Create(e));
}
return CreateCompositionResult<T>(errors);
}
private CompositionResult<T> CreateCompositionResult<T>(IEnumerable<CompositionError> errors)
{
return new CompositionResult<T>(errors);
}
private CompositionResult<T> CreateCompositionResult<T>(T value)
{
return new CompositionResult<T>(value);
}
private CompositionResult<T> CreateCompositionResult<T>(T value, IEnumerable<CompositionError> errors)
{
return new CompositionResult<T>(value, errors);
}
}
}
|
