public void GetCombinedSearchExpressionShouldReturnTheSingleSearchExpressionIfOnlyThatExpressionIsEnteredToTheConstructor()
{
// arrange
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 expression = Expression.Lambda <Func <TestModel, bool> >(Expression.Constant(true), parameterExpression);
var testSearchExpression = new FilterExpression <TestModel>(columnMock.Object, searchMock.Object, expression);
var searchExpressions = new List <FilterExpression <TestModel> >()
{
testSearchExpression
};
var queryableExpression = new QueryableExpressions <TestModel>(searchExpressions, null, null);
// act
var resultingExpression = queryableExpression.GetCombinedSearchExpression();
// assert
Assert.Equal(testSearchExpression.Expression, resultingExpression);
}
public void GetCombinedSearchExpressionShouldReturnNullIfAllConstructorParametersAreNull()
{
// arrange
var queryableExpression = new QueryableExpressions <TestModel>(null, null, null);
// act
var resultingExpression = queryableExpression.GetCombinedSearchExpression();
// assert
Assert.Null(resultingExpression);
}
public void GetCombinedSearchExpressionShouldReturnItemsOrderedByTheGivenExpression()
{
// arrange
var columnMock = new Mock <IColumn>();
columnMock.SetupGet(model => model.Field).Returns(nameof(TestModel.IntProp));
var sortMock = new Mock <ISort>();
sortMock.SetupGet(order => order.Direction).Returns(SortDirection.Ascending);
var parameterExpression = Expression.Parameter(typeof(TestModel));
var expression1 = Expression.Lambda <Func <TestModel, object> >(Expression.Convert(Expression.Property(parameterExpression, nameof(TestModel.IntProp)), typeof(object)), parameterExpression);
var testColumnFilterExpression = new OrderExpression <TestModel>(columnMock.Object, sortMock.Object, expression1);
var orderExpressions = new List <OrderExpression <TestModel> >()
{
testColumnFilterExpression
};
var queryableExpression = new QueryableExpressions <TestModel>(null, null, orderExpressions);
var testList = new List <TestModel>()
{
new TestModel()
{
IntProp = 3
},
new TestModel()
{
IntProp = 1
},
new TestModel()
{
IntProp = 2
}
};
// act
var resultingExpression = queryableExpression.SortExpressions.First();
var actualResults = testList.OrderBy(resultingExpression.Expression.Compile());
// assert
Assert.Collection(actualResults,
item => Assert.Equal(1, item.IntProp),
item => Assert.Equal(2, item.IntProp),
item => Assert.Equal(3, item.IntProp));
}
public void GetCombinedSearchExpressionShouldReturnTheAndAlsoResultOfAColumnFilterExpressionsAndASearchExpression(bool expression1Result, bool expression2Result, int expectedResultCount)
{
// arrange
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);
var parameterExpression = Expression.Parameter(typeof(TestModel));
var expression1 = Expression.Lambda <Func <TestModel, bool> >(Expression.Constant(expression1Result), parameterExpression);
var expression2 = Expression.Lambda <Func <TestModel, bool> >(Expression.Constant(expression2Result), parameterExpression);
var testColumnFilterExpression = new FilterExpression <TestModel>(columnMock.Object, searchMock.Object, expression1);
var columnFilterExpressions = new List <FilterExpression <TestModel> >()
{
testColumnFilterExpression
};
var testSearchExpression = new FilterExpression <TestModel>(columnMock.Object, searchMock.Object, expression2);
var searchExpressions = new List <FilterExpression <TestModel> >()
{
testSearchExpression
};
var queryableExpression = new QueryableExpressions <TestModel>(searchExpressions, columnFilterExpressions, null);
var testList = new List <TestModel>()
{
new TestModel()
{
IntProp = 1
}
};
// act
var resultingExpression = queryableExpression.GetCombinedSearchExpression();
var actualResults = testList.Where(resultingExpression.Compile());
// assert
Assert.Equal(expectedResultCount, actualResults.Count());
}
