public void InvokeCompositeNull_ReturnNullSpecification()
{
var expected = new NullSpecification <string>();
var sut = new MockCompositeSpecification <string>().Null();
Assert.Equal(expected, sut, new SpecificationComparer());
}
public void InvokeNullableCandidate_ReturnFalse()
{
var sut = new NullSpecification <int?>();
var result = sut.GetNegationExpression().Compile().Invoke(null);
Assert.False(result);
}
public void ValueType_ReturnFalse()
{
var sut = new NullSpecification <int>();
var result = sut.IsSatisfiedBy(0);
Assert.False(result);
}
public void NotNullCandidate_ReturnFalse()
{
var sut = new NullSpecification <string>();
var result = sut.IsSatisfiedBy("");
Assert.False(result);
}
public void NullCandidate_ReturnTrue()
{
var sut = new NullSpecification <string>();
var result = sut.IsSatisfiedBy(null);
Assert.True(result);
}
public void InvokeNull_ReturnNullSpecification()
{
var expected = new NullSpecification <FakeType>();
var sut = Specification.Null <FakeType>();
Assert.Equal(expected, sut, new SpecificationComparer());
}
public void InvokeValueTypeCandidate_ReturnFalse()
{
var sut = new NullSpecification <int>();
var result = sut.GetExpression().Compile().Invoke(0);
Assert.False(result);
}
public void NullableCandidate_ReturnFalse()
{
var sut = new NullSpecification <int?>();
var result = sut.IsNotSatisfiedBy(null);
Assert.False(result);
}
public void InvokeNullCandidate_ReturnTrue()
{
var sut = new NullSpecification <string>();
var result = sut.GetExpression().Compile().Invoke(null);
Assert.True(result);
}
public void NullCandidate_ReturnExpectedResultObject()
{
var expected = new SpecificationResult("NullSpecification<String>");
var sut = new NullSpecification <string>();
var overall = sut.IsSatisfiedBy(null, out var result);
Assert.True(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public void NonGenericILinqSpecification_ReturnExpressionAsAbstractExpression()
{
var sut = new NullSpecification <string>();
var expected = sut.GetExpression().ToString();
var sutExpression = ((ILinqSpecification)sut).GetExpression();
var result = sutExpression.ToString();
Assert.Equal(expected, result);
}
public void ValueTypeCandidate_ReturnExpectedResultObject()
{
var expected = new SpecificationResult("NotNullSpecification<Int32>");
var sut = new NullSpecification <int>();
var overall = sut.IsNotSatisfiedBy(0, out var result);
Assert.True(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public void ValueTypeCandidate_ReturnExpectedResultObject()
{
var expected = new SpecificationResult(false, "NullSpecification<Int32>+Failed",
new FailedSpecification(typeof(NullSpecification <int>), 0, "Object is not null"));
var sut = new NullSpecification <int>();
var overall = sut.IsSatisfiedBy(0, out var result);
Assert.False(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public void NotNullCandidate_ReturnExpectedResultObject()
{
var expected = new SpecificationResult(false, "NullSpecification<String>+Failed",
new FailedSpecification(typeof(NullSpecification <string>), "", "Object is not null"));
var sut = new NullSpecification <string>();
var overall = sut.IsSatisfiedBy("", out var result);
Assert.False(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public async Task <IReadOnlyCollection <Course> > GetCoursesAsync(ISpecification <Course> specification = null)
{
if (specification is null)
{
specification = new NullSpecification <Course>();
}
var courses = await this.GetAsync(specification);
return(courses.ToList().AsReadOnly());
}
public void NullableCandidate_ReturnExpectedResultObject()
{
var expected = new SpecificationResult(false, "NotNullSpecification<Nullable<Int32>>+Failed",
new FailedSpecification(typeof(NullSpecification <int?>), (object)null, "Object is null"));
var sut = new NullSpecification <int?>();
var overall = sut.IsNotSatisfiedBy(null, out var result);
Assert.False(overall);
Assert.Equal(expected, result, new SpecificationResultComparer());
}
public async Task <IReadOnlyCollection <Student> > GetStudentsAsync(ISpecification <Student> specification = null)
{
if (specification is null)
{
specification = new NullSpecification <Student>();
}
var students = await this.GetAsync(specification);
var task = Task.Run(() => students.ToList()); // Due to IAsyncEnumerable == ToListAsync()
var result = await task;
return(result.AsReadOnly());
}
