public void GetMutatedDocument_WhenHavingBinaryExpressionThatContainsAString_ShouldNotMutate()
{
var tree = SyntaxFactory.ParseSyntaxTree($"classC{{publicvoidDo(){{var i = \"test\" + 2; }}");
var root = tree.GetRoot();
var binaryExpressionMutationOperator = new MathMutator();
var doc = binaryExpressionMutationOperator.GetMutatedDocument(root, null);
Assert.IsEmpty(doc, "Should not be able to find any mutations");
}
public void GetMutatedDocument_WhenHavingABinaryExpressionWithoutStatement_ShouldMutate()
{
var tree = SyntaxFactory.ParseSyntaxTree("classC{{public int Propi => 1 + 2");
var root = tree.GetRoot();
var binaryExpressionMutationOperator = new MathMutator();
var doc = binaryExpressionMutationOperator.GetMutatedDocument(root, null);
Assert.AreEqual("1 - 2", doc[0].MutationDetails.Mutation.ToString());
}
public void BinaryTests(string binary, string mutatedBinary)
{
var tree = SyntaxFactory.ParseSyntaxTree($"classC{{publicvoidDo(){{var i = {binary};}}");
var root = tree.GetRoot();
var binaryExpressionMutationOperator = new MathMutator();
var doc = binaryExpressionMutationOperator.GetMutatedDocument(root, null);
Assert.AreEqual(mutatedBinary, doc[0].MutationDetails.Mutation.ToString());
}
public void GetMutatedDocument_WhenHavingMultipleMathOperationsInSameStatement_ShouldMutateAll()
{
var tree = SyntaxFactory.ParseSyntaxTree("classC{{publicvoidDo(){{var i = 1+2/3;}}");
var root = tree.GetRoot();
var binaryExpressionMutationOperator = new MathMutator();
var doc = binaryExpressionMutationOperator.GetMutatedDocument(root, null);
Assert.AreEqual(2, doc.Count);
Assert.AreEqual("1 - 2 / 3", doc[0].MutationDetails.Mutation.ToString());
Assert.AreEqual("2 * 3", doc[1].MutationDetails.Mutation.ToString());
}
public void GetMutatedDocument_GetMutatedDocumentWithDifferentAttribute_ShouldGetAllMutations()
{
var tree = SyntaxFactory.ParseSyntaxTree(@"
[DifferentAttribute]
class C {
public int Propi { get{ return 1+2; }}
public void FirstMethod() { var i = 1 + 2; }
public void SecondMethod() { var k = 1 + 2; }
}");
var root = tree.GetRoot();
var mutator = new MathMutator();
var documents = mutator.GetMutatedDocument(root, null);
Assert.AreEqual(3, documents.Count);
}
public void GetMutatedDocument_GetMutatedDocumentWithExcludeFromCodeCoverageOnClass_ShouldNotGetAnyMutations()
{
var tree = SyntaxFactory.ParseSyntaxTree(@"
[ExcludeFromCodeCoverage]
class C {
public int Propi { get{ return 1+2; }}
public void FirstMethod() { var i = 1 + 2; }
public void SecondMethod() { var k = 1 + 2; }
}");
var root = tree.GetRoot();
var mutator = new MathMutator();
var documents = mutator.GetMutatedDocument(root, null);
Assert.IsEmpty(documents);
}
public void GetMutatedDocument_GetMutatedDocumentWithExcludeFromCodeCoverageOnProperty_ShouldGetMutationOnMethods()
{
var tree = SyntaxFactory.ParseSyntaxTree(@"
class C {
[ExcludeFromCodeCoverage]
public int Propi { get{ return 1+2; }}
public void FirstMethod() { var i = 1 + 2; }
public void SecondMethod() { var k = 1 + 2; }
}");
var root = tree.GetRoot();
var mutator = new MathMutator();
var documents = mutator.GetMutatedDocument(root, null);
Assert.AreEqual(2, documents.Count);
Assert.IsTrue(documents.Any(d => d.MutationName.Contains("FirstMethod")));
Assert.IsTrue(documents.Any(d => d.MutationName.Contains("SecondMethod")));
}
public void Setup()
{
mutator = new MathMutator();
}
