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namespace QueryKit.UnitTests;
using System.Linq.Expressions;
using Bogus;
using Configuration;
using Exceptions;
using FluentAssertions;
using WebApiTestProject.Entities;
public class SortParserTests
{
[Fact]
public void test_sort_parser_default_sort_direction()
{
// Arrange
var input = "Title";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(1);
var firstSortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
firstSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(firstSortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
}
[Fact]
public void test_sort_parser_case_insensitive_sort_direction()
{
// Arrange
var input = "Title ASC, Age DESC";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(2);
var firstSortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
firstSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(firstSortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
var secondSortExpression = sortExpressions[1].Expression;
var directionTwo = sortExpressions[1].IsAscending;
secondSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(secondSortExpression).Should().Be("Age");
directionTwo.Should().BeFalse();
}
[Fact]
public void test_sort_parser_empty_input()
{
// Arrange
var input = "";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().BeEmpty();
}
[Fact]
public void test_sort_parser_whitespace_input()
{
// Arrange
var input = " ";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().BeEmpty();
}
[Fact]
public void test_sort_parser_single_property()
{
// Arrange
var input = "Title asc";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(1);
var sortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
sortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(sortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
}
[Fact]
public void test_sort_parser_multiple_properties()
{
// Arrange
var input = "Title, Age desc";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(2);
var firstSortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
firstSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(firstSortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
var secondSortExpression = sortExpressions[1].Expression;
var directionTwo = sortExpressions[1].IsAscending;
secondSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(secondSortExpression).Should().Be("Age");
directionTwo.Should().BeFalse();
}
[Fact]
public void test_sort_parser_multiple_properties_with_minus()
{
// Arrange
var input = "Title, -Age";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(2);
var firstSortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
firstSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(firstSortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
var secondSortExpression = sortExpressions[1].Expression;
var directionTwo = sortExpressions[1].IsAscending;
secondSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(secondSortExpression).Should().Be("Age");
directionTwo.Should().BeFalse();
}
[Fact]
public void can_have_no_space_on_comma()
{
// Arrange
var input = "Title,Age desc";
// Act
var sortExpressions = SortParser.ParseSort<TestingPerson>(input);
// Assert
sortExpressions.Should().HaveCount(2);
var firstSortExpression = sortExpressions[0].Expression;
var directionOne = sortExpressions[0].IsAscending;
firstSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(firstSortExpression).Should().Be("Title");
directionOne.Should().BeTrue();
var secondSortExpression = sortExpressions[1].Expression;
var directionTwo = sortExpressions[1].IsAscending;
secondSortExpression.Body.Should().BeOfType<UnaryExpression>();
GetMemberName(secondSortExpression).Should().Be("Age");
directionTwo.Should().BeFalse();
}
[Fact]
public void can_have_custom_prop_name()
{
var input = "OfficialTitle, Age desc";
var config = new QueryKitConfiguration(config =>
{
config.Property<TestingPerson>(x => x.Title).HasQueryName("OfficialTitle");
});
var sortExpression = SortParser.ParseSort<TestingPerson>(input, config);
sortExpression.Should().HaveCount(2);
GetMemberName(sortExpression[0].Expression).Should().Be("Title");
GetMemberName(sortExpression[1].Expression).Should().Be("Age");
sortExpression[0].IsAscending.Should().BeTrue();
sortExpression[1].IsAscending.Should().BeFalse();
}
[Fact]
public void can_have_custom_child_prop_name()
{
var input = "PhysicalAddress.State";
var config = new QueryKitConfiguration(config =>
{
config.Property<TestingPerson>(x => x.PhysicalAddress.State).HasQueryName("state");
});
var sortExpression = SortParser.ParseSort<TestingPerson>(input, config);
sortExpression.Should().HaveCount(1);
GetMemberName(sortExpression[0].Expression).Should().Be("PhysicalAddress.State");
sortExpression[0].IsAscending.Should().BeTrue();
}
[Fact]
public void can_have_child_prop_sort()
{
var input = "PhysicalAddress.State";
var config = new QueryKitConfiguration(config =>
{
config.Property<TestingPerson>(x => x.PhysicalAddress.State);
});
var sortExpression = SortParser.ParseSort<TestingPerson>(input, config);
sortExpression.Should().HaveCount(1);
GetMemberName(sortExpression[0].Expression).Should().Be("PhysicalAddress.State");
sortExpression[0].IsAscending.Should().BeTrue();
}
[Fact]
public void can_prevent_sort_for_custom_prop()
{
var input = "OfficialTitle, Age desc";
var config = new QueryKitConfiguration(config =>
{
config.Property<TestingPerson>(x => x.Title)
.PreventSort()
.HasQueryName("OfficialTitle");
});
var sortExpression = SortParser.ParseSort<TestingPerson>(input, config);
sortExpression.Should().HaveCount(1);
GetMemberName(sortExpression[0].Expression).Should().Be("Age");
sortExpression[0].IsAscending.Should().BeFalse();
}
[Fact]
public void can_prevent_sort()
{
var input = "Title, Age desc";
var config = new QueryKitConfiguration(config =>
{
config.Property<TestingPerson>(x => x.Title)
.PreventSort();
});
var sortExpression = SortParser.ParseSort<TestingPerson>(input, config);
sortExpression.Should().HaveCount(1);
GetMemberName(sortExpression[0].Expression).Should().Be("Age");
sortExpression[0].IsAscending.Should().BeFalse();
}
[Fact]
public void can_throw_error_when_property_not_recognized()
{
var faker = new Faker();
var propertyName = faker.Lorem.Word();
var input = $"""Title, {propertyName}, Age desc""";
var act = () => SortParser.ParseSort<TestingPerson>(input);
act.Should().Throw<SortParsingException>()
.WithMessage($"Parsing failed during sorting. '{propertyName}' was not recognized.");
}
[Fact]
public void can_throw_error_when_operator_not_recognized()
{
var input = $"""++Title, Age desc""";
var act = () => SortParser.ParseSort<TestingPerson>(input);
act.Should().Throw<SortParsingException>()
.WithMessage($"Parsing failed during sorting. '++Title' was not recognized.");
}
private string GetMemberName<T>(Expression<Func<T, object>>? expr)
{
if (expr == null)
{
throw new ArgumentNullException(nameof(expr));
}
var body = expr.Body;
if (body is UnaryExpression unary)
{
body = unary.Operand;
}
return GetMemberNameFromExpression(body);
}
private string GetMemberNameFromExpression(Expression expr)
{
if (expr is MemberExpression memberExpr)
{
if (memberExpr.Expression.NodeType == ExpressionType.MemberAccess)
{
return GetMemberNameFromExpression(memberExpr.Expression) + "." + memberExpr.Member.Name;
}
return memberExpr.Member.Name;
}
throw new ArgumentException("Invalid expression type", nameof(expr));
}
}