public void NullGroups_DoentCallRenderer() { var renderer = new Mock <IExpressionsRenderer>(); var searcher = new Mock <IExpressionSearcher>(); searcher.Setup(x => x.SearchGroups(It.IsAny <string>())) .Returns((IEnumerable <VariablesExpression>)null); var former = new CanonicalFormulaFormer(searcher.Object, renderer.Object); Assert.Throws <InvalidFormulaException>(() => former.Transform(string.Empty)); renderer.Verify(x => x.Render(null), Times.Never()); }
public void SearcherNotValidator_CallSearch() { var searcher = new Mock <IExpressionSearcher>(); var renderer = new Mock <IExpressionsRenderer>(); renderer.Setup(x => x.Render(It.IsAny <IEnumerable <VariablesExpression> >())) .Returns(string.Empty); var former = new CanonicalFormulaFormer(searcher.Object, renderer.Object); former.Transform(string.Empty); searcher.Verify(x => x.SearchGroups(It.IsAny <string>()), Times.AtLeastOnce()); }
public void InvalidFormula_ReturnsNull() { var searcher = new Mock <IExpressionSearcher>(); searcher.As <IFormulaValidator>() .Setup(x => x.Validate(It.IsAny <string>())) .Returns(false); var former = new CanonicalFormulaFormer(searcher.Object, Mock.Of <IExpressionsRenderer>()); var result = former.Transform(string.Empty); Assert.IsNull(result); }
public void InvalidFormula_DoesntCallSearch() { var searcher = new Mock <IExpressionSearcher>(); searcher.As <IFormulaValidator>() .Setup(x => x.Validate(It.IsAny <string>())) .Returns(false) .Verifiable(); var former = new CanonicalFormulaFormer(searcher.Object, Mock.Of <IExpressionsRenderer>()); var result = former.Transform(string.Empty); Assert.IsNull(result); searcher.Verify(); searcher.Verify(x => x.SearchGroups(It.IsAny <string>()), Times.Never()); }
public void NullRenderResult_ThrowsInvalidOperationException() { var former = new CanonicalFormulaFormer(Mock.Of <IExpressionSearcher>(), Mock.Of <IExpressionsRenderer>()); Assert.Throws <InvalidFormulaException>(() => former.Transform(string.Empty)); }