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Fixed: Search results from trakt are now sorted based on similarity with the search query.

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Using a Levenshtein distance algorithm.
This commit is contained in:
Taloth Saldono
2014-05-30 22:36:38 +02:00
parent 50303ce470
commit e28123eefd
5 changed files with 110 additions and 1 deletions
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src/NzbDrone.Common.Test/LevenshteinDistanceFixture.cs
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@@ -0,0 +1,50 @@
using System;
using System.Diagnostics;
using System.IO;
using FluentAssertions;
using Moq;
using NUnit.Framework;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Test.Common;
namespace NzbDrone.Common.Test
{
[TestFixture]
public class LevenshteinDistanceFixture : TestBase
{
[TestCase("", "", 0)]
[TestCase("abc", "abc", 0)]
[TestCase("abc", "abcd", 1)]
[TestCase("abcd", "abc", 1)]
[TestCase("abc", "abd", 1)]
[TestCase("abc", "adc", 1)]
[TestCase("abcdefgh", "abcghdef", 4)]
[TestCase("a.b.c.", "abc", 3)]
[TestCase("Agents Of SHIELD", "Marvel's Agents Of S.H.I.E.L.D.", 15)]
[TestCase("Agents of cracked", "Agents of shield", 6)]
[TestCase("ABCxxx", "ABC1xx", 1)]
[TestCase("ABC1xx", "ABCxxx", 1)]
public void LevenshteinDistance(String text, String other, Int32 expected)
{
text.LevenshteinDistance(other).Should().Be(expected);
}
[TestCase("", "", 0)]
[TestCase("abc", "abc", 0)]
[TestCase("abc", "abcd", 1)]
[TestCase("abcd", "abc", 3)]
[TestCase("abc", "abd", 3)]
[TestCase("abc", "adc", 3)]
[TestCase("abcdefgh", "abcghdef", 8)]
[TestCase("a.b.c.", "abc", 0)]
[TestCase("Agents of shield", "Marvel's Agents Of S.H.I.E.L.D.", 9)]
[TestCase("Agents of shield", "Agents of cracked", 14)]
[TestCase("Agents of shield", "the shield", 24)]
[TestCase("ABCxxx", "ABC1xx", 3)]
[TestCase("ABC1xx", "ABCxxx", 3)]
public void LevenshteinDistanceClean(String text, String other, Int32 expected)
{
text.ToLower().LevenshteinDistanceClean(other.ToLower()).Should().Be(expected);
}
}
}
src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
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@@ -67,6 +67,7 @@
<Compile Include="EnsureTest\PathExtensionFixture.cs" />
<Compile Include="EnvironmentTests\StartupArgumentsFixture.cs" />
<Compile Include="EnvironmentTests\EnvironmentProviderTest.cs" />
<Compile Include="LevenshteinDistanceFixture.cs" />
<Compile Include="ReflectionExtensions.cs" />
<Compile Include="PathExtensionFixture.cs" />
<Compile Include="DiskProviderTests\DiskProviderFixtureBase.cs" />