public void SutIsSpecimenBuilder()
{
// Arrange
// Act
var sut = new ConstrainedStringGenerator();
// Assert
Assert.IsAssignableFrom <ISpecimenBuilder>(sut);
}
public void CreateWithNullContextThrows()
{
// Arrange
var sut = new ConstrainedStringGenerator();
var request = new object();
// Act & assert
Assert.Throws <ArgumentNullException>(() => sut.Create(request, null));
}
public void CreateWithNullContextThrows()
{
// Fixture setup
var sut = new ConstrainedStringGenerator();
var request = new object();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() => sut.Create(request, null));
// Teardown
}
public void SutIsSpecimenBuilder()
{
// Fixture setup
// Exercise system
var sut = new ConstrainedStringGenerator();
// Verify outcome
Assert.IsAssignableFrom <ISpecimenBuilder>(sut);
// Teardown
}
public void CreateWithNullRequestReturnsCorrectResult()
{
// Arrange
var sut = new ConstrainedStringGenerator();
var dummyContext = new DelegatingSpecimenContext();
// Act
var result = sut.Create(null, dummyContext);
// Assert
Assert.Equal(new NoSpecimen(), result);
}
public void CreateWithNullRequestReturnsCorrectResult()
{
// Fixture setup
var sut = new ConstrainedStringGenerator();
var dummyContext = new DelegatingSpecimenContext();
// Exercise system
var result = sut.Create(null, dummyContext);
// Verify outcome
Assert.Equal(new NoSpecimen(), result);
// Teardown
}
public TypeWrapper <T> ConstrainStringSize(Expression <Func <T, object> > expr, int maximumLength)
{
var property = expr.AsPropertyInfo();
_builder.SetDefaultBuilder(
property,
(p, context) =>
{
var stringGenerator = new ConstrainedStringGenerator();
var constrainedStringRequest = new ConstrainedStringRequest(maximumLength);
return(stringGenerator.Create(constrainedStringRequest, context));
});
return(this);
}
public void CreateReturnsStringReceivedFromContext()
{
// Arrange
var request = new ConstrainedStringRequest(1, 10);
object expectedValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? expectedValue : new NoSpecimen()
};
var sut = new ConstrainedStringGenerator();
// Act & assert
var result = (string)sut.Create(request, context);
Assert.Contains(result, expectedValue.ToString());
}
public void CreateWithAnonymousRequestReturnsCorrectResult()
{
// Fixture setup
var sut = new ConstrainedStringGenerator();
var request = new object();
var dummyContext = new DelegatingSpecimenContext();
// Exercise system
var result = sut.Create(request, dummyContext);
// Verify outcome
#pragma warning disable 618
Assert.Equal(new NoSpecimen(request), result);
#pragma warning restore 618
// Teardown
}
public void CreateReturnsStringWithCorrectLength(int expectedMinimumLength, int expectedMaximumLength)
{
// Arrange
var request = new ConstrainedStringRequest(expectedMinimumLength, expectedMaximumLength);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? contextValue : new NoSpecimen()
};
var sut = new ConstrainedStringGenerator();
// Act
var result = (string)sut.Create(request, context);
// Assert
Assert.True(expectedMinimumLength < result.Length && expectedMaximumLength >= result.Length);
}
public void CreateReturnsStringReceivedFromContext()
{
// Fixture setup
var request = new ConstrainedStringRequest(1, 10);
object expectedValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? expectedValue : new NoSpecimen(r)
};
var sut = new ConstrainedStringGenerator();
// Exercise system and verify outcome
var result = (string)sut.Create(request, context);
Assert.True(expectedValue.ToString().Contains(result));
// Teardown
}
public void CreateReturnsResultWithCorrectType()
{
// Arrange
var request = new ConstrainedStringRequest(1, 10);
Type expectedType = typeof(string);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedType.Equals(r) ? contextValue : new NoSpecimen()
};
var sut = new ConstrainedStringGenerator();
// Act
var result = sut.Create(request, context);
// Assert
Assert.IsAssignableFrom(expectedType, result);
}
public void CreateReturnsStringWithCorrectLength(int expectedMinimumLength, int expectedMaximumLength)
{
// Fixture setup
var request = new ConstrainedStringRequest(expectedMinimumLength, expectedMaximumLength);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? contextValue : new NoSpecimen(r)
};
var sut = new ConstrainedStringGenerator();
// Exercise system
var result = (string)sut.Create(request, context);
// Verify outcome
Assert.True(expectedMinimumLength < result.Length && expectedMaximumLength >= result.Length);
// Teardown
}
public void CreateReturnsResultWithCorrectType()
{
// Fixture setup
var request = new ConstrainedStringRequest(1, 10);
Type expectedType = typeof(string);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => expectedType.Equals(r) ? contextValue : new NoSpecimen(r)
};
var sut = new ConstrainedStringGenerator();
// Exercise system
var result = sut.Create(request, context);
// Verify outcome
Assert.IsAssignableFrom(expectedType, result);
// Teardown
}
#pragma warning disable xUnit1026 // Theory methods should use all of their parameters - the minLength is needed to access the maxLength.
public void CreateReturnsStringWithCorrectLengthMultipleCall(int minimumLength, int maximumLength)
#pragma warning restore xUnit1026 // Theory methods should use all of their parameters
{
// Arrange
var request = new ConstrainedStringRequest(maximumLength);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? contextValue : new NoSpecimen()
};
var sut = new ConstrainedStringGenerator();
// Act
var result = from s in Enumerable.Range(1, 30).Select(i => (string)sut.Create(request, context))
where s.Length <= request.MinimumLength || s.Length > request.MaximumLength
select s;
// Assert
Assert.False(result.Any());
}
public void CreateReturnsStringWithCorrectLengthMultipleCall(int minimumLength, int maximumLength)
{
// Fixture setup
var request = new ConstrainedStringRequest(maximumLength);
object contextValue = Guid.NewGuid().ToString();
var context = new DelegatingSpecimenContext
{
OnResolve = r => typeof(string).Equals(r) ? contextValue : new NoSpecimen(r)
};
var sut = new ConstrainedStringGenerator();
// Exercise system
var result = (from s in Enumerable.Range(1, 30).Select(i => (string)sut.Create(request, context))
where (s.Length <= request.MinimumLength || s.Length > request.MaximumLength)
select s);
// Verify outcome
Assert.False(result.Any());
// Teardown
}
