public void CreatorShouldThrowAnArgumentOutOfRangeExceptionWhenTheSourceFieldIsNotAPropertyOfTheModel()
{
// arrange
var creator = new IntegerEqualsExpressionCreator();
var columnMock = new Mock <IColumn>();
columnMock.SetupGet(model => model.Field).Returns("UnknownField");
var searchMock = new Mock <ISearch>();
var parameterExpression = Expression.Parameter(typeof(TestModel));
// act & assert
Assert.Throws <ArgumentOutOfRangeException>(() => creator.CreateExpression <TestModel>(columnMock.Object, searchMock.Object, parameterExpression));
}
public void CreatorShouldThrowNotSupportedExceptionWhenTheSearchQueryIsBasedOnARegularExpression()
{
// arrange
var creator = new IntegerEqualsExpressionCreator();
var columnMock = new Mock <IColumn>();
columnMock.SetupGet(model => model.Field).Returns(nameof(TestModel.IntProp));
var searchMock = new Mock <ISearch>();
searchMock.SetupGet(search => search.IsRegex).Returns(true);
var parameterExpression = Expression.Parameter(typeof(TestModel));
// act & assert
Assert.Throws <NotSupportedException>(() => creator.CreateExpression <TestModel>(columnMock.Object, searchMock.Object, parameterExpression));
}
public void CreatorShouldReturnNoItemsWhenTheQueryDoesNotContainAnIntegerValue()
{
// arrange
var creator = new IntegerEqualsExpressionCreator();
var columnMock = new Mock <IColumn>();
columnMock.SetupGet(model => model.Field).Returns(nameof(TestModel.IntProp));
var searchMock = new Mock <ISearch>();
searchMock.SetupGet(search => search.IsRegex).Returns(false);
searchMock.SetupGet(search => search.Value).Returns("One");
var parameterExpression = Expression.Parameter(typeof(TestModel));
// act
var searchExpression = creator.CreateExpression <TestModel>(columnMock.Object, searchMock.Object, parameterExpression);
// assert
Assert.Null(searchExpression);
}
public void CreatorShouldReturnAnExpressionThatCorrectlyFiltersAListUsingEqualsMethod()
{
// arrange
var creator = new IntegerEqualsExpressionCreator();
var columnMock = new Mock <IColumn>();
columnMock.SetupGet(model => model.Field).Returns(nameof(TestModel.IntProp));
var searchMock = new Mock <ISearch>();
searchMock.SetupGet(search => search.IsRegex).Returns(false);
searchMock.SetupGet(search => search.Value).Returns("1");
var parameterExpression = Expression.Parameter(typeof(TestModel));
var testItemToBeFound = new TestModel()
{
IntProp = 1
};
var testItemNotToBeFound = new TestModel()
{
IntProp = 2
};
var testList = new List <TestModel>()
{
testItemToBeFound,
testItemNotToBeFound
};
// act
var searchExpression = creator.CreateExpression <TestModel>(columnMock.Object, searchMock.Object, parameterExpression);
var searchResults = testList.Where(searchExpression.Compile());
// assert
Assert.Collection(searchResults, searchHit => Assert.Equal(testItemToBeFound, searchHit));
}