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feat(operator): implement EndsWith #85 (#173)

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add a new operator
adapt sieve processor
update regex operator to split received filter value
add unit tests & adjust existing ones

Co-authored-by: Erwan RAULO <Erwan.RAULO@vinci-energies.net>
This commit is contained in:
Geonosis 2022-03-30 10:43:35 +02:00 committed by GitHub
parent c1fadddfe8
commit b73f748dba
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6 changed files with 112 additions and 20 deletions
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3
README.md
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@ -208,10 +208,13 @@ You can replace this DSL with your own (eg. use JSON instead) by implementing an
| `<=` | Less than or equal to |
| `@=` | Contains |
| `_=` | Starts with |
| `_-=` | Ends with |
| `!@=` | Does not Contains |
| `!_=` | Does not Starts with |
| `!_-=` | Does not Ends with |
| `@=*` | Case-insensitive string Contains |
| `_=*` | Case-insensitive string Starts with |
| `_-=*` | Case-insensitive string Ends with |
| `==*` | Case-insensitive string Equals |
| `!=*` | Case-insensitive string Not equals |
| `!@=*` | Case-insensitive string does not Contains |

1
Sieve/Models/FilterOperator.cs
View File

@ -10,5 +10,6 @@
LessThanOrEqualTo,
Contains,
StartsWith,
EndsWith,
}
}

15
Sieve/Models/FilterTerm.cs
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@ -8,7 +8,7 @@ namespace Sieve.Models
public class FilterTerm : IFilterTerm, IEquatable<FilterTerm>
{
private const string EscapedPipePattern = @"(?<!($|[^\\]|^)(\\\\)*?\\)\|";
private const string OperatorsRegEx = @"(!@=\*|!_=\*|!=\*|!@=|!_=|==\*|@=\*|_=\*|==|!=|>=|<=|>|<|@=|_=)";
private const string OperatorsRegEx = @"(!@=\*|!_=\*|!_-=\*|!=\*|!@=|!_=|!_-=|==\*|@=\*|_=\*|_-=\*|==|!=|>=|<=|>|<|@=|_=|_-=)";
private const string EscapeNegPatternForOper = @"(?<!\\)" + OperatorsRegEx;
private const string EscapePosPatternForOper = @"(?<=\\)" + OperatorsRegEx;
@ -22,13 +22,13 @@ namespace Sieve.Models
{
set
{
var filterSplits = Regex.Split(value,EscapeNegPatternForOper).Select(t => t.Trim()).ToArray();
var filterSplits = Regex.Split(value, EscapeNegPatternForOper).Select(t => t.Trim()).ToArray();
Names = Regex.Split(filterSplits[0], EscapedPipePattern).Select(t => t.Trim()).ToArray();
if (filterSplits.Length > 2)
{
foreach (var match in Regex.Matches(filterSplits[2],EscapePosPatternForOper))
foreach (var match in Regex.Matches(filterSplits[2], EscapePosPatternForOper))
{
var matchStr = match.ToString();
filterSplits[2] = filterSplits[2].Replace('\\' + matchStr, matchStr);
@ -38,8 +38,8 @@ namespace Sieve.Models
.Select(UnEscape)
.ToArray();
}
Operator = Regex.Match(value,EscapeNegPatternForOper).Value;
Operator = Regex.Match(value, EscapeNegPatternForOper).Value;
OperatorParsed = GetOperatorParsed(Operator);
OperatorIsCaseInsensitive = Operator.EndsWith("*");
OperatorIsNegated = OperatorParsed != FilterOperator.NotEquals && Operator.StartsWith("!");
@ -80,6 +80,9 @@ namespace Sieve.Models
case "_=":
case "!_=":
return FilterOperator.StartsWith;
case "_-=":
case "!_-=":
return FilterOperator.EndsWith;
default:
return FilterOperator.Equals;
}

3
Sieve/Services/SieveProcessor.cs
View File

@ -339,6 +339,9 @@ namespace Sieve.Services
FilterOperator.StartsWith => Expression.Call(propertyValue,
typeof(string).GetMethods().First(m => m.Name == "StartsWith" && m.GetParameters().Length == 1),
filterValue),
FilterOperator.EndsWith => Expression.Call(propertyValue,
typeof(string).GetMethods().First(m => m.Name == "EndsWith" && m.GetParameters().Length == 1),
filterValue),
_ => Expression.Equal(propertyValue, filterValue)
};
}

79
SieveUnitTests/General.cs
View File

@ -73,6 +73,16 @@ namespace SieveUnitTests
CategoryId = 2,
TopComment = new Comment { Id = 1, Text = "D1" },
FeaturedComment = new Comment { Id = 7, Text = "D2" }
},
new Post
{
Id = 4,
Title = "Yen",
LikeCount = 5,
IsDraft = true,
CategoryId = 5,
TopComment = new Comment { Id = 4, Text = "Yen3" },
FeaturedComment = new Comment { Id = 8, Text = "Yen4" }
}
}.AsQueryable();
@ -124,7 +134,43 @@ namespace SieveUnitTests
var result = _processor.Apply(model, _posts);
Assert.Equal(1, result.First().Id);
Assert.True(result.Count() == 3);
Assert.True(result.Count() == 4);
}
[Fact]
public void EndsWithWorks()
{
var model = new SieveModel
{
Filters = "Title_-=n"
};
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].Values.ToString());
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].Operator);
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].OperatorParsed.ToString());
var result = _processor.Apply(model, _posts);
Assert.Equal(4, result.First().Id);
Assert.True(result.Count() == 1);
}
[Fact]
public void EndsWithCanBeCaseInsensitive()
{
var model = new SieveModel
{
Filters = "Title_-=*N"
};
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].Values.ToString());
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].Operator);
_testOutputHelper.WriteLine(model.GetFiltersParsed()[0].OperatorParsed.ToString());
var result = _processor.Apply(model, _posts);
Assert.Equal(4, result.First().Id);
Assert.True(result.Count() == 1);
}
[Fact]
@ -150,7 +196,7 @@ namespace SieveUnitTests
var result = _processor.Apply(model, _posts);
Assert.True(result.Count() == 3);
Assert.True(result.Count() == 4);
}
[Fact]
@ -205,8 +251,8 @@ namespace SieveUnitTests
var result = _processor.Apply(model, _posts);
var nullableResult = _nullableProcessor.Apply(model, _posts);
Assert.True(result.Count() == 1);
Assert.True(nullableResult.Count() == 2);
Assert.True(result.Count() == 2);
Assert.True(nullableResult.Count() == 3);
}
[Theory]
@ -255,7 +301,7 @@ namespace SieveUnitTests
var result = _processor.Apply(model, _posts);
Assert.False(result.Any(p => p.Id == 0));
Assert.True(result.Count() == 3);
Assert.True(result.Count() == 4);
}
[Fact]
@ -474,11 +520,12 @@ namespace SieveUnitTests
};
var result = _processor.Apply(model, _posts);
Assert.Equal(3, result.Count());
Assert.Equal(4, result.Count());
var posts = result.ToList();
Assert.Contains("B", posts[0].TopComment.Text);
Assert.Contains("C", posts[1].TopComment.Text);
Assert.Contains("D", posts[2].TopComment.Text);
Assert.Contains("Yen", posts[3].TopComment.Text);
}
[Fact]
@ -490,12 +537,13 @@ namespace SieveUnitTests
};
var result = _processor.Apply(model, _posts);
Assert.Equal(4, result.Count());
Assert.Equal(5, result.Count());
var posts = result.ToList();
Assert.Equal(0, posts[0].Id);
Assert.Equal(3, posts[1].Id);
Assert.Equal(2, posts[2].Id);
Assert.Equal(1, posts[3].Id);
Assert.Equal(4, posts[4].Id);
}
[Fact]
@ -630,13 +678,15 @@ namespace SieveUnitTests
};
var result = _processor.Apply(model, _posts);
Assert.Equal(4, result.Count());
Assert.Equal(5, result.Count());
var posts = result.ToList();
Assert.Equal(3,posts[0].Id);
Assert.Equal(2,posts[1].Id);
Assert.Equal(1,posts[2].Id);
Assert.Equal(0,posts[3].Id);
Assert.Equal(4, posts[0].Id);
Assert.Equal(3,posts[1].Id);
Assert.Equal(2,posts[2].Id);
Assert.Equal(1,posts[3].Id);
Assert.Equal(0,posts[4].Id);
}
[Fact]
@ -759,10 +809,13 @@ namespace SieveUnitTests
[InlineData(@"Title@=\>= ")]
[InlineData(@"Title@=\@= ")]
[InlineData(@"Title@=\_= ")]
[InlineData(@"Title@=\_-= ")]
[InlineData(@"Title@=!\@= ")]
[InlineData(@"Title@=!\_= ")]
[InlineData(@"Title@=!\_-= ")]
[InlineData(@"Title@=\@=* ")]
[InlineData(@"Title@=\_=* ")]
[InlineData(@"Title@=\_-=* ")]
[InlineData(@"Title@=\==* ")]
[InlineData(@"Title@=\!=* ")]
[InlineData(@"Title@=!\@=* ")]
@ -773,7 +826,7 @@ namespace SieveUnitTests
new Post
{
Id = 1,
Title = @"Operators: == != > < >= <= @= _= !@= !_= @=* _=* ==* !=* !@=* !_=* ",
Title = @"Operators: == != > < >= <= @= _= _-= !@= !_= !_-= @=* _=* ==* !=* !@=* !_=* !_-=* ",
LikeCount = 1,
IsDraft = true,
CategoryId = 1,

31
SieveUnitTests/StringFilterNullTests.cs
View File

@ -31,7 +31,7 @@ namespace SieveUnitTests
{
Id = 1,
DateCreated = DateTimeOffset.UtcNow,
Text = "null is here in the text",
Text = "null is here twice in the text ending by null",
Author = "Cat",
},
new Comment
@ -136,6 +136,21 @@ namespace SieveUnitTests
Assert.Equal(new[] {1}, result.Select(p => p.Id));
}
[Theory]
[InlineData("Text_-=null")]
[InlineData("Text_-=*null")]
[InlineData("Text_-=*NULL")]
[InlineData("Text_-=*NulL")]
[InlineData("Text_-=*null|text")]
public void Filter_EndsWith_NullString(string filter)
{
var model = new SieveModel { Filters = filter };
var result = _processor.Apply(model, _comments);
Assert.Equal(new[] { 1 }, result.Select(p => p.Id));
}
[Theory]
[InlineData("Text!@=null")]
[InlineData("Text!@=*null")]
@ -164,5 +179,19 @@ namespace SieveUnitTests
Assert.Equal(new[] {0, 2}, result.Select(p => p.Id));
}
[Theory]
[InlineData("Text!_-=null")]
[InlineData("Text!_-=*null")]
[InlineData("Text!_-=*NULL")]
[InlineData("Text!_-=*NulL")]
public void Filter_DoesNotEndsWith_NullString(string filter)
{
var model = new SieveModel { Filters = filter };
var result = _processor.Apply(model, _comments);
Assert.Equal(new[] { 0, 2 }, result.Select(p => p.Id));
}
}
}