public void WhenCalculationUsedInACalcualtedQuestion_ParsesCorrectly(
string validText,
IEnumerable <decimal> expectedLiterals,
IEnumerable <string> expectedVariables,
MathOperatorCount operatorCount)
{
CreateForm(validText);
ValidateVariableNames(expectedVariables);
ValidateMathLiterals(expectedLiterals);
ValidateMathOperators(operatorCount);
}
private static TestCaseData MathTestCaseData(
string formText,
IEnumerable <decimal> values = null,
IEnumerable <string> variables = null,
MathOperatorCount operators = new MathOperatorCount())
{
values = values ?? new List <decimal>();
variables = variables ?? new List <string>();
return(new TestCaseData(
formText,
values,
variables,
operators));
}
private void ValidateMathOperators(MathOperatorCount operatorCount)
{
Assert.AreEqual(
expected: operatorCount.AdditionCount,
actual: NodeCount <IAddNode>(),
message: "incorrect number of addition operations");
Assert.AreEqual(
expected: operatorCount.SubtractionCount,
actual: NodeCount <ISubtractNode>(),
message: "incorrect number of subtraction operations");
Assert.AreEqual(
expected: operatorCount.MultiplicationCount,
actual: NodeCount <IMultiplyNode>(),
message: "incorrect number of multiplication operations");
Assert.AreEqual(
expected: operatorCount.DivisionCount,
actual: NodeCount <IDivideNode>(),
message: "incorrect number of division operations");
}