private void ThrowsInvalidOperationExceptionWhenIdChanges(
Action <FakeEntity, string> setId,
Func <SafeMetadataProvider <FakeEntity>, Func <FakeEntity, EntityIdentifier> >
getMethod)
{
// arrange
SafeMetadataProvider <FakeEntity>
safeMetadataProvider = this.CreateSafeMetadataProvider();
var entity = new FakeEntity()
{
SourceSystemEntityId = Guid.NewGuid().ToString("d"),
DestinationSystemEntityId = Guid.NewGuid().ToString("d"),
Label = Guid.NewGuid().ToString("d")
};
Func <FakeEntity, EntityIdentifier> method = getMethod(safeMetadataProvider);
InvalidOperationException exceptionThrown = null;
// act
method(entity);
setId(entity, Guid.NewGuid().ToString("d"));
try
{
method(entity);
}
catch (InvalidOperationException exception)
{
exceptionThrown = exception;
}
// assert
exceptionThrown.Should().NotBeNull();
}
public void GetLabel_Returns_Label()
{
// arrange
SafeMetadataProvider <FakeEntity>
safeMetadataProvider = this.CreateSafeMetadataProvider();
var entity = new FakeEntity()
{
SourceSystemEntityId = "876",
DestinationSystemEntityId = "IHG",
Label = "VistaVision"
};
// act & assert
safeMetadataProvider
.GetLabel(entity)
.Should()
.Be("VistaVision");
}
private void ReturnsId(
Func <FakeEntity, EntityIdentifier> getId,
Func <SafeMetadataProvider <FakeEntity>, Func <FakeEntity, EntityIdentifier> >
getMethod)
{
// arrange
var data = new Dictionary <string, object>();
SafeMetadataProvider <FakeEntity>
safeMetadataProvider = this.CreateSafeMetadataProvider(data);
var entityOne = new FakeEntity()
{
SourceSystemEntityId = "12345",
DestinationSystemEntityId = "ABCDE",
Label = "Mamma Mia"
};
var entityTwo = new FakeEntity()
{
SourceSystemEntityId = "6789",
DestinationSystemEntityId = "FGHI",
Label = "Fernando"
};
Func <FakeEntity, EntityIdentifier> method = getMethod(safeMetadataProvider);
// act & assert 1: two different IDs acceptable in two different entities
method(entityOne)
.Should()
.Be(getId(entityOne));
method(entityTwo)
.Should()
.Be(getId(entityTwo));
// act & assert 2: ID immutability only enforced within a given operation
// (transition to a new operation emulated by clearing the data dictionary)
data.Clear();
entityOne.SourceSystemEntityId = "54321";
entityOne.DestinationSystemEntityId = "EDCBA";
method(entityOne)
.Should()
.Be(getId(entityOne));
}
private void ThrowsInvalidOperationException <TReturn>(
FakeEntity entity,
Func <SafeMetadataProvider <FakeEntity>, Func <FakeEntity, TReturn> > getMethod)
{
// arrange
SafeMetadataProvider <FakeEntity>
safeMetadataProvider = this.CreateSafeMetadataProvider();
InvalidOperationException exceptionThrown = null;
// act
try
{
getMethod(safeMetadataProvider)(entity);
}
catch (InvalidOperationException exception)
{
exceptionThrown = exception;
}
// assert
exceptionThrown.Should().NotBeNull();
}