public void MergeResultsCopiesAcrossResultsFromAggregator()
{
var childResults = new List <ComparisonResult>
{
new(SemVerChangeType.Feature, null, new TestClassDefinition(), Guid.NewGuid().ToString()),
new(SemVerChangeType.Breaking, new TestInterfaceDefinition(), null, Guid.NewGuid().ToString()),
new(
SemVerChangeType.Feature,
new TestPropertyDefinition(), new TestPropertyDefinition(),
Guid.NewGuid().ToString()),
new(
SemVerChangeType.Breaking,
new TestFieldDefinition(), new TestFieldDefinition(),
Guid.NewGuid().ToString()),
};
var aggregator = new ChangeResultAggregator
{
ExitNodeAnalysis = true
};
aggregator.AddResults(childResults);
var sut = new ChangeResultAggregator();
sut.MergeResults(aggregator);
var actual = sut.Results;
actual.Should().BeEquivalentTo(childResults);
sut.ExitNodeAnalysis.Should().Be(aggregator.ExitNodeAnalysis);
}
public void AssignsDefaultValuesWhenCreated()
{
var sut = new ChangeResultAggregator();
sut.ExitNodeAnalysis.Should().BeFalse();
sut.Results.Should().BeEmpty();
}
public void ResultsReturnsAddedResults()
{
var first = new ComparisonResult(SemVerChangeType.Feature, null, new TestPropertyDefinition(), Guid.NewGuid().ToString());
var second = new ComparisonResult(SemVerChangeType.Breaking, new TestFieldDefinition(), null, Guid.NewGuid().ToString());
var set = new List <ComparisonResult>
{
new(SemVerChangeType.Feature, null, new TestClassDefinition(), Guid.NewGuid().ToString()),
new(SemVerChangeType.Breaking, new TestInterfaceDefinition(), null, Guid.NewGuid().ToString()),
new(
SemVerChangeType.Feature,
new TestPropertyDefinition(), new TestPropertyDefinition(),
Guid.NewGuid().ToString()),
new(
SemVerChangeType.Breaking,
new TestAttributeDefinition(), new TestAttributeDefinition(),
Guid.NewGuid().ToString()),
};
var expected = new List <ComparisonResult>
{
first
};
expected.AddRange(set);
expected.Add(second);
var sut = new ChangeResultAggregator();
sut.AddResult(first);
sut.AddResults(set);
sut.AddResult(second);
var actual = sut.Results;
actual.Should().BeEquivalentTo(expected);
}
public void MergeResultsThrowsExceptionWithNullResult()
{
var sut = new ChangeResultAggregator();
Action action = () => sut.MergeResults(null !);
action.Should().Throw <ArgumentNullException>();
}
public void OverallChangeTypeReturnsNoneWhenNoResultsEntered()
{
var sut = new ChangeResultAggregator();
var actual = sut.OverallChangeType;
actual.Should().Be(SemVerChangeType.None);
}
public IEnumerable <ComparisonResult> CompareMatch(ItemMatch <IGenericTypeElement> match, ComparerOptions options)
{
match = match ?? throw new ArgumentNullException(nameof(match));
options = options ?? throw new ArgumentNullException(nameof(options));
var oldTypeParameters = match.OldItem.GenericTypeParameters.FastToList();
var newTypeParameters = match.NewItem.GenericTypeParameters.FastToList();
if (oldTypeParameters.Count == 0 &&
newTypeParameters.Count == 0)
{
return(Array.Empty <ComparisonResult>());
}
var typeParameterShift = oldTypeParameters.Count - newTypeParameters.Count;
var aggregator = new ChangeResultAggregator();
if (typeParameterShift != 0)
{
var changeLabel = typeParameterShift > 0 ? "removed" : "added";
var shiftAmount = Math.Abs(typeParameterShift);
// One or more generic type parameters have been removed
var suffix = shiftAmount == 1 ? "" : "s";
var args = new FormatArguments(
$"{{DefinitionType}} {{Identifier}} has {changeLabel} {shiftAmount} generic type parameter{suffix}",
match.NewItem.FullName,
null,
null);
aggregator.AddElementChangedResult(SemVerChangeType.Breaking, match, options.MessageFormatter, args);
// No need to look into how the generic type has changed
return(aggregator.Results);
}
// We have the same number of generic types, evaluate the constraints
for (var index = 0; index < oldTypeParameters.Count; index++)
{
var oldName = oldTypeParameters[index];
var newName = newTypeParameters[index];
var oldConstraints = match.OldItem.GenericConstraints.FirstOrDefault(x => x.Name == oldName);
var newConstraints = match.NewItem.GenericConstraints.FirstOrDefault(x => x.Name == newName);
EvaluateGenericConstraints(match, oldConstraints, newConstraints, options, aggregator);
}
return(aggregator.Results);
}
public void OverallChangeTypeReturnsHighestResult(SemVerChangeType firstType,
SemVerChangeType secondType, SemVerChangeType expected)
{
var firstItem = new TestPropertyDefinition();
var secondItem = new TestPropertyDefinition();
var match = new ItemMatch <IPropertyDefinition>(firstItem, secondItem);
var firstResult = new ComparisonResult(firstType, match.OldItem, match.NewItem, Guid.NewGuid().ToString());
var secondResult =
new ComparisonResult(secondType, match.OldItem, match.NewItem, Guid.NewGuid().ToString());
var sut = new ChangeResultAggregator();
sut.AddResult(firstResult);
sut.AddResult(secondResult);
var actual = sut.OverallChangeType;
actual.Should().Be(expected);
}
public IEnumerable <ComparisonResult> CompareMatch(ItemMatch <IAttributeDefinition> match,
ComparerOptions options)
{
match = match ?? throw new ArgumentNullException(nameof(match));
options = options ?? throw new ArgumentNullException(nameof(options));
if (match.OldItem.Arguments.Count == 0 &&
match.NewItem.Arguments.Count == 0)
{
// The attributes do not have any arguments
// These attributes match each other
return(Array.Empty <ComparisonResult>());
}
var aggregator = new ChangeResultAggregator();
EvaluateArgumentDefinitionChanges(match, options, aggregator);
return(aggregator.Results);
}