feat: Add non alphanumeric removal for better url and filename support

Sluggy.Tests/SluggyIntegrationTests.cs

@@ -6,6 +6,7 @@ public class SluggyIntegrationTests
     {
         [Trait("Project", "Sluggy")]
         [Theory(DisplayName = "Should Use Separator")]
+        [InlineData("EU GOSTO DE TÁRTE", "eu-gosto-de-tarte", "-")]
         [InlineData("EU GOSTO DE TÁRTE", "euAgostoAdeAtarte", "A")]
         [InlineData("EU GOSTO", "euBananagosto", "Banana")]
         [InlineData("", "", "")]
@@ -18,10 +19,11 @@ public void ShouldUseSeparator(string value, string expectation, string separato
 
         [Trait("Project", "Sluggy")]
         [Theory(DisplayName = "Should Convert ToSlug")]
-        [InlineData("EU GOSTO DE TÁRTE", "eu-gosto-de-tarte")]
+        [InlineData("EU GOSTO DE TÁRTE   ", "eu-gosto-de-tarte")]
         [InlineData("eu gosto de tarte        das", "eu-gosto-de-tarte-das")]
-        [InlineData("eu gosto de tarte", "eu-gosto-de-tarte")]
+        [InlineData("eu gosto de tarte   ", "eu-gosto-de-tarte")]
         [InlineData("eu não gosto de pão da avó", "eu-nao-gosto-de-pao-da-avo")]
+        [InlineData("Pão <>*.,;´`'~^!#%$&/()=}{[]@£€§¨|+ Avó - AAA", "pao-avo-aaa")]
         [InlineData("", "")]
         public void ShouldConvertToSlug(string value, string expectation)
         {

Sluggy.Tests/SluggyUnitTests.cs

@@ -1,4 +1,5 @@
 using Moq;
+using Sluggy.Strategies;
 using System;
 using Xunit;
 

Sluggy.Tests/CompositionStrategyTests.cs → Sluggy.Tests/Strategies/CompositionStrategyTests.cs

@@ -1,4 +1,5 @@
 using Moq;
+using Sluggy.Strategies;
 using System.Linq;
 using Xunit;
 

Sluggy.Tests/Strategies/NonAlphaNumericStrategyTests.cs

@@ -0,0 +1,34 @@
+using System;
+using Sluggy.Strategies;
+using Xunit;
+
+namespace Sluggy.Tests
+{
+    public class NonAlphaNumericStrategyTests
+    {
+        [Trait("Project", "Sluggy")]
+        [Theory(DisplayName = "Should remove nonalphanumeric characters from string")]
+        [InlineData("<>*.,;´`'~^!#%$&/()=}{[]@£€§¨+|", "")]
+        [InlineData("a<>*.,;´`'~^!#%$&/()=}{[]@£€§¨+| -a", "a a")]
+        [InlineData("", "")]
+        public void ShouldNormalize(string value, string expectation)
+        {
+            var strategy = new NonAlphaNumericStrategy();
+
+            var translated = strategy.Translate(value);
+
+            Assert.Equal(expectation, translated);
+        }
+
+        [Trait("Project", "Sluggy")]
+        [Fact(DisplayName = "NonAlphaNumericStrategy Should Throw ArgumentNullException")]
+        public void ShouldThrowNullArgumentException()
+        {
+            const string text = null;
+
+            var strategy = new NonAlphaNumericStrategy();
+
+            Assert.Throws<ArgumentNullException>(() => strategy.Translate(text));
+        }
+    }
+}

Sluggy.Tests/NormalizationStrategyTests.cs → Sluggy.Tests/Strategies/NormalizationStrategyTests.cs

@@ -1,4 +1,5 @@
 using System;
+using Sluggy.Strategies;
 using Xunit;
 
 namespace Sluggy.Tests

Sluggy.Tests/ToLowerInvarianStrategyTests.cs → Sluggy.Tests/Strategies/ToLowerInvarianStrategyTests.cs

@@ -1,4 +1,5 @@
 using System;
+using Sluggy.Strategies;
 using Xunit;
 
 namespace Sluggy.Tests

Sluggy/Sluggy.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Sluggy.Strategies;
 
 namespace Sluggy
 {
@@ -21,6 +22,7 @@ public static class Sluggy
         /// This is the composite strategy used by default.
         /// </summary>
         public static readonly ITranslationStrategy DefaultTranslationStrategy = new CompositeStrategy(
+            new NonAlphaNumericStrategy(),
             new ToLowerInvariantStrategy(),
             new NormalizationStrategy());
 
@@ -70,10 +72,11 @@ public static string ToSlug(this string text, string separator, ITranslationStra
             }
 
             return text
-                .Split()
-                .Where(t => t.Length != 0)
-                .Select(t => strategy.Translate(t))
-                .Join(separator);
+                 .Split()
+                 .Where(t => t.Length != 0)
+                 .Select(t => strategy.Translate(t))
+                 .Where(t => t.Length != 0)
+                 .Join(separator);
         }
 
         private static string Join(this IEnumerable<string> text, string separator) => string.Join(separator, text);

Sluggy/Sluggy.csproj

@@ -10,18 +10,29 @@
     <PackageLicenseUrl></PackageLicenseUrl>
     <PackageProjectUrl />
     <RepositoryUrl>https://github.com/RubenMateus/sluggy</RepositoryUrl>
-    <Copyright>Copyright (c) 2018 Ruben Mateus</Copyright>
+    <Copyright>Copyright (c) 2020 Ruben Mateus</Copyright>
     <PackageTags>slug simple normalization url friendly generator normalizer urls slugs</PackageTags>
     <Description>Sluggy is a configuration based class library designed to create friendly URL's. 
 
 With crazy support out of the box, but fully configurable.</Description>
-    <PackageReleaseNotes># Updated package dependencies</PackageReleaseNotes>
+    <PackageReleaseNotes># Updated package dependencies
+Breaking Changes:
+# Updated namespace for strategy classes to be more semantic when importing
+# Added NonAlphanumericStrategy for better support for urls and filenames</PackageReleaseNotes>
     <RepositoryType>Library</RepositoryType>
-    <Version>2.0.2</Version>
-    <PackageIconUrl>https://raw.githubusercontent.com/RubenMateus/sluggy/master/sluggy.png</PackageIconUrl>
+    <Version>3.0.0</Version>
+    <PackageIconUrl></PackageIconUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <AssemblyVersion>2.0.2.0</AssemblyVersion>
-    <FileVersion>2.0.2.0</FileVersion>
+    <AssemblyVersion>3.0.0.0</AssemblyVersion>
+    <FileVersion>3.0.0.0</FileVersion>
+    <PackageIcon>sluggy.png</PackageIcon>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="..\sluggy.png">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+
 </Project>

Sluggy/CompositeStrategy.cs → Sluggy/Strategies/CompositeStrategy.cs

@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace Sluggy
+namespace Sluggy.Strategies
 {
     /// <summary>
     /// The composite strategy to agreggate all the different ITranslationStrategies from Sluggy.

Sluggy/ITranslationStrategy.cs → Sluggy/Strategies/ITranslationStrategy.cs

@@ -1,4 +1,4 @@
-namespace Sluggy
+namespace Sluggy.Strategies
 {
     /// <summary>
     /// Exposes the translation strategy, which supports a "translation" over a text.

Sluggy/Strategies/NonAlphaNumericStrategy.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Linq;
+
+namespace Sluggy.Strategies
+{
+    /// <summary>
+    /// The standard NonAlphaNumeric Strategy used by Sluggy.
+    /// </summary>
+    public class NonAlphaNumericStrategy : ITranslationStrategy
+    {
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="text">The text to be translated.</param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentNullException">Thrown when text is null.</exception>
+        public string Translate(string text)
+        {
+            if (text == null)
+            {
+                throw new ArgumentNullException(nameof(text));
+            }
+
+            var nonAlphaNumericChars = text.Where(c =>
+                char.IsLetterOrDigit(c) ||
+                char.IsWhiteSpace(c))
+                .ToArray();
+
+            return new string(nonAlphaNumericChars);
+        }
+    }
+}

Sluggy/NormalizationStrategy.cs → Sluggy/Strategies/NormalizationStrategy.cs

@@ -3,7 +3,7 @@
 using System.Linq;
 using System.Text;
 
-namespace Sluggy
+namespace Sluggy.Strategies
 {
     /// <summary>
     /// The standard normalization used by Sluggy.

Sluggy/ToLowerInvariantStrategy.cs → Sluggy/Strategies/ToLowerInvariantStrategy.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Sluggy
+namespace Sluggy.Strategies
 {
     /// <summary>
     /// The standard ToLowerCase strategy used by Sluggy.