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using QueryKit.Configuration;
using QueryKit.WebApiTestProject.Entities.Ingredients;
using QueryKit.WebApiTestProject.Entities.Ingredients.Models;
using QueryKit.WebApiTestProject.Entities.Recipes;
namespace QueryKit.UnitTests;
using Bogus;
using Exceptions;
using FluentAssertions;
using SharedTestingHelper.Fakes.Recipes;
using WebApiTestProject.Entities;
public class FilterParserTests
{
[Fact]
public void escaped_double_quote_with_more_than_3_double_quotes()
{
var input = """""""""Title == """"lamb is great on a "gee-ro" not a "gy-ro" sandwich"""" """"""""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
var asString = filterExpression.ToString();
asString.Should()
.Be(""""x => (x.Title == "lamb is great on a "gee-ro" not a "gy-ro" sandwich")"""");
}
[Fact]
public void escaped_double_quote()
{
var input = """""Title == """lamb is great on a "gee-ro" not a "gy-ro" sandwich""" """"";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
var asString = filterExpression.ToString();
asString.Should()
.Be(""""x => (x.Title == "lamb is great on a "gee-ro" not a "gy-ro" sandwich")"""");
}
[Fact]
public void complex_with_lots_of_types()
{
var input =
"""""((Title @=* "waffle & chicken" && Age > 30) || Id == "aa648248-cb69-4217-ac95-d7484795afb2" || Title == "lamb" || Title == null) && (Age < 18 || (BirthMonth == 1 && Title _= "ally")) || Rating > 3.5 || SpecificDate == 2022-07-01T00:00:03Z && (Date == 2022-07-01 || Time == 00:00:03)""""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => (((((((((x.Title != null) AndAlso x.Title.ToLower().Contains("waffle & chicken".ToLower())) AndAlso (x.Age > 30)) OrElse (x.Id == aa648248-cb69-4217-ac95-d7484795afb2)) OrElse (x.Title == "lamb")) OrElse (x.Title == null)) AndAlso ((x.Age < 18) OrElse ((x.BirthMonth == new Nullable`1(January)) AndAlso x.Title.StartsWith("ally")))) OrElse (x.Rating > 3.5)) OrElse ((x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 00:00:00))) AndAlso ((x.Date == new Nullable`1(new DateOnly(2022, 7, 1))) OrElse (x.Time == new Nullable`1(new TimeOnly(0, 0, 3, 0, 0))))))"""");
}
[Fact]
public void order_of_ops_quote_on_string()
{
var input = """(Title @=* "waffle" || Age > 30) || Age < 18""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => ((((x.Title != null) AndAlso x.Title.ToLower().Contains("waffle".ToLower())) OrElse (x.Age > 30)) OrElse (x.Age < 18))"""");
}
[Fact]
public void simple_string()
{
var input = """"Title @=* "waffle" """";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => ((x.Title != null) AndAlso x.Title.ToLower().Contains("waffle".ToLower()))"""");
}
[Fact]
public void can_handle_null()
{
var input = "Title == null";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Title == null)");
}
[Fact]
public void can_handle_guid_with_double_quotes()
{
var guid = Guid.NewGuid();
var input = $"""Id == "{guid}" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be($"x => (x.Id == {guid})");
}
[Fact]
public void can_handle_guid_without_double_quotes()
{
var guid = Guid.NewGuid();
var input = $"""Id == {guid} """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be($"x => (x.Id == {guid})");
}
[Fact]
public void can_handle_guid_with_null()
{
var input = $"""SecondaryId == null """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should().Be($"x => (x.SecondaryId == null)");
}
[Fact]
public void equality_operator()
{
var input = """Title == "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Title == \"lamb\")");
}
[Fact]
public void inequality_operator()
{
var input = """Title != "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Title != \"lamb\")");
}
[Fact]
public void greater_than_operator()
{
var input = """Age > 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age > 30)");
}
[Fact]
public void greater_than_or_equal_to_operator()
{
var input = """Age >= 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age >= 30)");
}
[Fact]
public void less_than_operator()
{
var input = """Age < 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age < 30)");
}
[Fact]
public void less_than_or_equal_to_operator()
{
var input = """Age <= 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age <= 30)");
}
[Fact]
public void and_operator()
{
var input = """Title == "lamb" && Age > 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title == \"lamb\") AndAlso (x.Age > 30))");
}
[Fact]
public void or_operator()
{
var input = """Title == "lamb" || Age > 30""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title == \"lamb\") OrElse (x.Age > 30))");
}
[Fact]
public void contains_operator()
{
var input = """Title @=* "waffle" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title != null) AndAlso x.Title.ToLower().Contains(\"waffle\".ToLower()))");
}
[Fact]
public void starts_with_operator()
{
var input = """Title _= "lam" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => x.Title.StartsWith(\"lam\")");
}
[Fact]
public void ends_with_operator_case_insensitive()
{
var input = """Title _-=* "b" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title != null) AndAlso x.Title.ToLower().EndsWith(\"b\".ToLower()))");
}
[Fact]
public void ends_with_operator()
{
var input = """Title _-= "b" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => x.Title.EndsWith(\"b\")");
}
[Fact]
public void test_logical_operators()
{
var input = """(Age == 35) && (Favorite == true) || (Age < 18)""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => (((x.Age == 35) AndAlso (x.Favorite == True)) OrElse (x.Age < 18))"""");
}
[Fact]
public void can_handle_case_insensitive_props()
{
var input = """(age == 35) && (favorite == true) || (age < 18)""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => (((x.Age == 35) AndAlso (x.Favorite == True)) OrElse (x.Age < 18))"""");
}
[Fact]
public void simple_in_operator_for_nullable_int()
{
var input = """Age ^^ [20, 30, 40]""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => value(System.Collections.Generic.List`1[System.Nullable`1[System.Int32]]).Contains(x.Age)"""");
}
[Fact]
public void simple_in_operator_for_guid()
{
var input = """Id ^^ ["6d623e92-d2cf-4496-a2df-f49fa77328ee"]""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should()
.Be(""""x => value(System.Collections.Generic.List`1[System.Guid]).Contains(x.Id)"""");
}
[Fact]
public void can_handle_parentheses_and_logical_operators()
{
var input = """(Title == "lamb") && (Age > 30) || (Title == "chicken") && (Age < 18)""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (((x.Title == \"lamb\") AndAlso (x.Age > 30)) OrElse ((x.Title == \"chicken\") AndAlso (x.Age < 18)))");
}
[Fact]
public void can_handle_decimal_comparison()
{
var input = """Rating >= 3.5""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Rating >= 3.5)");
}
[Fact]
public void can_handle_date_only()
{
var input = """Date == 2022-07-01""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.Date == new Nullable`1(new DateOnly(2022, 7, 1)))"""");
}
[Fact]
public void can_handle_date_time_offset()
{
var input = """SpecificDate == 2022-07-01T00:00:03Z""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 00:00:00)))"""");
}
[Fact]
public void can_handle_datetime()
{
var input = """SpecificDateTime == 2022-07-01T00:00:03""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.SpecificDateTime == new DateTime(637922304030000000, Local))"""");
}
[Fact]
public void can_handle_datetime_comparison_with_timezone()
{
var input = """SpecificDate == 2022-07-01T00:00:03+01:00""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 01:00:00)))");
}
[Theory]
[InlineData("yyyy-MM-ddTHH:mm:ssZ")]
[InlineData("yyyy-MM-ddTHH:mm:sszzz")]
public void can_handle_date_time_offset_another(string format)
{
var dateTimeOffset = DateTimeOffset.Parse("2022-07-01T00:00:03Z").ToString(format);
var input = $"""SpecificDate == "{dateTimeOffset}" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 00:00:00)))"""");
}
[Fact]
public void can_handle_datetime_another()
{
var input = """SpecificDateTime == "2022-07-01T00:00:03" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.SpecificDateTime == new DateTime(637922304030000000, Local))"""");
}
[Fact]
public void can_handle_datetime_utc()
{
var input = """SpecificDateTime == "2022-07-01T00:00:03Z" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be(""""x => (x.SpecificDateTime == new DateTime(637922304030000000, Utc))"""");
}
[Fact]
public void can_handle_datetime_comparison_with_timezone_another()
{
var input = """SpecificDate == "2022-07-01T00:00:03+01:00" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 01:00:00)))");
}
[Fact]
public void can_handle_time_only()
{
var input = "Time == 12:30:00";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Time == new Nullable`1(new TimeOnly(12, 30, 0, 0, 0)))");
}
[Fact]
public void can_handle_datetime_comparison_with_negative_timezone()
{
var input = """SpecificDate == 2022-07-01T00:00:03-02:00""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, -02:00:00)))");
}
[Fact]
public void can_handle_datetime_comparison_with_timezone_no_minutes()
{
var input = """SpecificDate == 2022-07-01T00:00:03+02""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.SpecificDate == new Nullable`1(new DateTimeOffset(637922304030000000, 02:00:00)))");
}
[Fact]
public void can_handle_datetime_with_milliseconds()
{
var input = """SpecificDateTime == 2022-07-01T00:00:03.123""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.SpecificDateTime == new DateTime(637922304031230000, Local))");
}
[Fact]
public void can_handle_childproperty()
{
var input = """Email.Value == "john@example.com" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Email.Value == \"john@example.com\")");
}
[Fact]
public void can_handle_childproperty_contains()
{
var input = """Email.Value @=* "example" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Email.Value != null) AndAlso x.Email.Value.ToLower().Contains(\"example\".ToLower()))");
}
[Fact]
public void can_handle_time_comparison()
{
var input = """Time == 00:00:03""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Time == new Nullable`1(new TimeOnly(0, 0, 3, 0, 0)))");
}
[Fact]
public void multiple_properties_and_operators()
{
var input = """Title _= "lamb" && Age >= 25 && Rating < 4.5 && SpecificDate <= 2022-07-01T00:00:03Z && Time == 00:00:03""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((((x.Title.StartsWith(\"lamb\") AndAlso (x.Age >= 25)) AndAlso (x.Rating < 4.5)) AndAlso (x.SpecificDate <= new Nullable`1(new DateTimeOffset(637922304030000000, 00:00:00)))) AndAlso (x.Time == new Nullable`1(new TimeOnly(0, 0, 3, 0, 0))))");
}
[Fact]
public void complex_filter_with_nested_parentheses()
{
var input = """(Title == "lamb" && ((Age >= 25 && Rating < 4.5) || (SpecificDate <= 2022-07-01T00:00:03Z && Time == 00:00:03)) && (Favorite == true || Email.Value _= "example"))""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("""x => (((x.Title == "lamb") AndAlso (((x.Age >= 25) AndAlso (x.Rating < 4.5)) OrElse ((x.SpecificDate <= new Nullable`1(new DateTimeOffset(637922304030000000, 00:00:00))) AndAlso (x.Time == new Nullable`1(new TimeOnly(0, 0, 3, 0, 0)))))) AndAlso ((x.Favorite == True) OrElse x.Email.Value.StartsWith("example")))""");
}
[Fact]
public void can_handle_null_childproperty()
{
var input = """Email.Value == null""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Email.Value == null)");
}
[Fact]
public void contains_can_be_case_insensitive()
{
var input = """Title @=* "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title != null) AndAlso x.Title.ToLower().Contains(\"lamb\".ToLower()))");
}
[Fact]
public void not_equals_can_be_case_insensitive()
{
var input = """Title !=* "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title == null) OrElse (x.Title.ToLower() != \"lamb\".ToLower()))");
}
[Fact]
public void ends_with_works()
{
var input = """Title _-= "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => x.Title.EndsWith(\"lamb\")");
}
[Fact]
public void ends_with_can_be_case_insensitive()
{
var input = """Title _-=* "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => ((x.Title != null) AndAlso x.Title.ToLower().EndsWith(\"lamb\".ToLower()))");
}
[Fact]
public void contains_is_case_sensitive()
{
var input = """Title @= "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => x.Title.Contains(\"lamb\")");
}
[Fact]
public void not_contains_works()
{
var input = """Title !@= "lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => Not(x.Title.Contains(\"lamb\"))");
}
[Fact]
public void can_filter_bools()
{
var input = """Favorite == true""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Favorite == True)");
}
[Fact]
public void can_filter_nullable_ints()
{
var input = """Age >= 25""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age >= 25)");
}
[Fact]
public void can_filter_nullable_ints_with_not_equal()
{
var input = """Age != 25""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age != 25)");
}
[Fact]
public void can_filter_with_comma()
{
var input = """Title == "lamb, lamb" """;
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Title == \"lamb, lamb\")");
}
[Fact]
public void equals_doesnt_fail_with_non_string_types()
{
var input = """Age == 25""";
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
filterExpression.ToString().Should().Be("x => (x.Age == 25)");
}
[Fact]
public void can_throw_error_when_property_not_recognized()
{
var faker = new Faker();
var propertyName = faker.Lorem.Word();
var input = $"""{propertyName} == 25""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<UnknownFilterPropertyException>()
.WithMessage($"The filter property '{propertyName}' was not recognized.");
}
[Fact]
public void can_throw_error_when_comparison_operator_not_recognized()
{
var input = $"""Age ^#$%^%@ 25""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<ParsingException>()
.WithMessage("There was a parsing failure, likely due to an invalid comparison or logical operator. You may also be missing double quotes surrounding a string or guid.*");
}
[Fact]
public void can_throw_error_when_logical_operator_not_recognized()
{
var input = $"""Title == "temp" %$@#^ Age == 25""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<ParsingException>()
.WithMessage("There was a parsing failure, likely due to an invalid comparison or logical operator. You may also be missing double quotes surrounding a string or guid.*");
}
[Fact]
public void can_throw_error_when_missing_double_quotes_not_recognized()
{
var input = $"""Title == temp string here""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<ParsingException>()
.WithMessage("There was a parsing failure, likely due to an invalid comparison or logical operator. You may also be missing double quotes surrounding a string or guid.*");
}
[Fact]
public void can_throw_error_when_property_has_space()
{
var faker = new Faker();
var propertyName = faker.Lorem.Sentence();
var firstWord = propertyName.Split(' ').First();
var input = $"""{propertyName} == 25""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<UnknownFilterPropertyException>()
.WithMessage($"The filter property '{firstWord}' was not recognized.*");
}
[Fact]
public void simple_child_collection_for_string_equal()
{
var input = """Ingredients.Name == "flour" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => (z == "flour"))"""");
}
[Fact]
public void simple_child_collection_for_string_case_insensitive_equal()
{
var input = """Ingredients.Name ==* "flour" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => (z.ToLower() == "flour".ToLower()))"""");
}
[Fact]
public void simple_child_collection_for_string_not_equal()
{
var input = """Ingredients.Name != "flour" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => (z != "flour"))"""");
}
[Fact]
public void simple_child_collection_for_string_case_insensitive_not_equal()
{
var input = """Ingredients.Name !=* "flour" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => (z.ToLower() != "flour".ToLower()))"""");
}
[Fact]
public void simple_child_collection_for_int_equals()
{
var input = """Ingredients.MinimumQuality == 5""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.MinimumQuality).Any(z => (z == 5))"""");
}
[Fact]
public void simple_child_collection_for_int_greater_than()
{
var input = """Ingredients.MinimumQuality > 5""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.MinimumQuality).Any(z => (z > 5))"""");
}
[Fact]
public void simple_child_collection_for_int_less_than()
{
var input = """Ingredients.MinimumQuality < 5""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.MinimumQuality).Any(z => (z < 5))"""");
}
[Fact]
public void simple_child_collection_for_int_greater_than_or_equal()
{
var input = """Ingredients.MinimumQuality >= 5""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.MinimumQuality).Any(z => (z >= 5))"""");
}
[Fact]
public void simple_child_collection_for_int_less_than_or_equal()
{
var input = """Ingredients.MinimumQuality <= 5""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.MinimumQuality).Any(z => (z <= 5))"""");
}
[Fact]
public void collection_contains_case_insensitive()
{
var input = """"Ingredients.Name @=* "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => z.ToLower().Contains("waffle".ToLower()))"""");
}
[Fact]
public void collection_contains()
{
var input = """"Ingredients.Name @= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => z.Contains("waffle"))"""");
}
[Fact]
public void collection_starts_with()
{
var input = """"Ingredients.Name _= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => z.StartsWith("waffle"))"""");
}
[Fact]
public void collection_ends_with()
{
var input = """"Ingredients.Name _-= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).Any(z => z.EndsWith("waffle"))"""");
}
[Fact]
public void collection_does_not_contains()
{
var input = """"Ingredients.Name !@= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => Not(x.Ingredients.Select(y => y.Name).Any(z => z.Contains("waffle")))"""");
}
[Fact]
public void collection_does_not_starts_with()
{
var input = """"Ingredients.Name !_= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => Not(x.Ingredients.Select(y => y.Name).Any(z => z.StartsWith("waffle")))"""");
}
[Fact]
public void collection_does_not_ends_with()
{
var input = """"Ingredients.Name !_-= "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => Not(x.Ingredients.Select(y => y.Name).Any(z => z.EndsWith("waffle")))"""");
}
[Fact]
public void collection_equals_with_all()
{
var input = """"Ingredients.Name %== "waffle" """";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Ingredients.Select(y => y.Name).All(z => (z == "waffle"))"""");
}
[Fact]
public void collection_has_operator_greater_than()
{
var input = """"Ingredients #> 0"""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => (x.Ingredients.Count() > 0)"""");
}
[Fact]
public void collection_has_operator_equal()
{
var input = """"Ingredients #== 0"""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => (x.Ingredients.Count() == 0)"""");
}
[Fact]
public void collection_has_operator_not_equal()
{
var input = """"Ingredients #!= 3"""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => (x.Ingredients.Count() != 3)"""");
}
[Fact]
public void collection_has_operator_greater_than_equal()
{
var input = """"Ingredients #>= 0"""";
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => (x.Ingredients.Count() >= 0)"""");
}
[Fact]
public void primitive_collection_has()
{
var input = """Tags ^$ "winner" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Tags.Any(z => (z == "winner"))"""");
}
[Fact]
public void primitive_collection_does_not_have()
{
var input = """Tags !^$ "winner" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Tags.Any(z => (z != "winner"))"""");
}
[Fact]
public void primitive_collection_has_case_insensitive()
{
var input = """Tags ^$* "winner" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Tags.Any(z => (z.ToLower() == "winner".ToLower()))"""");
}
[Fact]
public void primitive_collection_does_not_have_case_insensitive()
{
var input = """Tags !^$* "winner" """;
var filterExpression = FilterParser.ParseFilter<Recipe>(input);
filterExpression.ToString().Should()
.Be(""""x => x.Tags.Any(z => (z.ToLower() != "winner".ToLower()))"""");
}
[Fact]
public void can_throw_exception_when_invalid_enum_value()
{
var input = $"""BirthMonth == invalid""";
var act = () => FilterParser.ParseFilter<TestingPerson>(input);
act.Should().Throw<ParsingException>()
.WithMessage("There was a parsing failure, likely due to an invalid comparison or logical operator. You may also be missing double quotes surrounding a string or guid.*");
}
[Fact]
public void can_filter_with_has_conversion_configuration()
{
// Test that HasConversion<string>() configuration allows targeting the property directly
// The Email property is configured with HasConversion to indicate it should be treated as a string
// instead of accessing Email.Value. This test verifies the parsing works,
// but the actual EF Core translation should be tested in integration tests.
var input = """Email == "test@example.com" """;
var config = new QueryKitConfiguration(config =>
{
// Configure Email property to use HasConversion<string>()
// This tells QueryKit that Email should be compared directly as a string
// rather than requiring Email.Value access
config.Property<TestingPerson>(x => x.Email).HasConversion<string>();
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
// The expression should be created successfully (not throw an exception)
filterExpression.Should().NotBeNull();
// Let's see what the actual expression looks like
var expressionString = filterExpression.ToString();
// Debug output - this should show us the actual expression
Console.WriteLine($"Generated expression: {expressionString}");
// The expression should be created and contain the key elements
expressionString.Should().NotBeNullOrEmpty();
expressionString.Should().Contain("x.Email");
expressionString.Should().Contain("test@example.com");
}
[Fact]
public void case_insensitive_default_config_uses_to_lower()
{
// Arrange - no config, should default to ToLower
var input = """Title @=* "waffle" """;
// Act
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input);
// Assert
filterExpression.ToString().Should()
.Be("""x => ((x.Title != null) AndAlso x.Title.ToLower().Contains("waffle".ToLower()))""");
}
[Fact]
public void case_insensitive_upper_mode_global_uses_to_upper()
{
// Arrange - global Upper mode
var input = """Title @=* "waffle" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
// Act
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
// Assert - should use ToUpper instead of ToLower
filterExpression.ToString().Should()
.Be("""x => ((x.Title != null) AndAlso x.Title.ToUpper().Contains("waffle".ToUpper()))""");
}
[Fact]
public void case_insensitive_per_property_upper_mode_overrides_global_lower()
{
// Arrange - global Lower (default), per-property Title set to Upper
var input = """Title @=* "waffle" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Lower;
settings.Property<TestingPerson>(x => x.Title).HasCaseInsensitiveMode(CaseInsensitiveMode.Upper);
});
// Act
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
// Assert - Title should use ToUpper because of per-property override
filterExpression.ToString().Should()
.Be("""x => ((x.Title != null) AndAlso x.Title.ToUpper().Contains("waffle".ToUpper()))""");
}
[Fact]
public void case_insensitive_equals_upper_mode_uses_to_upper()
{
// Arrange
var input = """Title ==* "waffle" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
// Act
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
// Assert
filterExpression.ToString().Should()
.Contain("ToUpper");
filterExpression.ToString().Should()
.NotContain("ToLower");
}
[Fact]
public void case_insensitive_not_equals_upper_mode_uses_to_upper()
{
var input = """Title !=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title == null) OrElse (x.Title.ToUpper() != \"lamb\".ToUpper()))");
}
[Fact]
public void case_insensitive_starts_with_upper_mode_uses_to_upper()
{
var input = """Title _=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title != null) AndAlso x.Title.ToUpper().StartsWith(\"lamb\".ToUpper()))");
}
[Fact]
public void case_insensitive_ends_with_upper_mode_uses_to_upper()
{
var input = """Title _-=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title != null) AndAlso x.Title.ToUpper().EndsWith(\"lamb\".ToUpper()))");
}
[Fact]
public void case_insensitive_not_contains_upper_mode_uses_to_upper()
{
var input = """Title !@=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title == null) OrElse Not(x.Title.ToUpper().Contains(\"lamb\".ToUpper())))");
}
[Fact]
public void case_insensitive_not_starts_with_upper_mode_uses_to_upper()
{
var input = """Title !_=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title == null) OrElse Not(x.Title.ToUpper().StartsWith(\"lamb\".ToUpper())))");
}
[Fact]
public void case_insensitive_not_ends_with_upper_mode_uses_to_upper()
{
var input = """Title !_-=* "lamb" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
filterExpression.ToString().Should()
.Be("x => ((x.Title == null) OrElse Not(x.Title.ToUpper().EndsWith(\"lamb\".ToUpper())))");
}
[Fact]
public void case_insensitive_in_operator_upper_mode_uses_to_upper()
{
var input = """Title ^^* ["lamb","chicken"] """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
var asString = filterExpression.ToString();
asString.Should().Contain("ToUpper");
asString.Should().NotContain("ToLower");
}
[Fact]
public void case_insensitive_per_property_lower_overrides_global_upper()
{
// Arrange - global Upper, per-property Title set back to Lower
var input = """Title @=* "waffle" """;
var config = new QueryKitConfiguration(settings =>
{
settings.CaseInsensitiveComparison = CaseInsensitiveMode.Upper;
settings.Property<TestingPerson>(x => x.Title).HasCaseInsensitiveMode(CaseInsensitiveMode.Lower);
});
var filterExpression = FilterParser.ParseFilter<TestingPerson>(input, config);
// Title should use ToLower because per-property overrides global Upper
filterExpression.ToString().Should()
.Be("""x => ((x.Title != null) AndAlso x.Title.ToLower().Contains("waffle".ToLower()))""");
}
}