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fix: allow diff:ignoreAttributes and diff:ignoreChildren to be used on an element at the same time
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-17
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8 files changed

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‎CHANGELOG.md

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# 0.18.3
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- Enabled using `diff:ignoreAttributes` and `diff:ignoreChildren` together on the same element.
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# 0.18.2
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- Changed `CompareStrategy` such that it now can control the `IDiff` type that should be returned in case a difference is found in a comparison. This allows a comparer to embed additional context in the `IDiff` object. By [@SebastianStehle](https://github.com/SebastianStehle).

‎src/AngleSharp.Diffing.Tests/AngleSharp.DiffingTests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net6.0</TargetFramework>
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<TargetFramework>net8.0</TargetFramework>
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<IsPackable>false</IsPackable>
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<AssemblyName>AngleSharp.Diffing.Tests</AssemblyName>
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<RootNamespace>AngleSharp.Diffing</RootNamespace>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
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<PackageReference Include="GitHubActionsTestLogger" Version="2.0.1">
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
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<PackageReference Include="GitHubActionsTestLogger" Version="2.4.1">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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<PackageReference Include="Shouldly" Version="4.1.0" />
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<PackageReference Include="xunit" Version="2.4.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
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<PackageReference Include="Shouldly" Version="4.2.1" />
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<PackageReference Include="xunit" Version="2.9.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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<PackageReference Include="coverlet.collector" Version="3.2.0">
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<PackageReference Include="coverlet.collector" Version="6.0.2">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>

‎src/AngleSharp.Diffing.Tests/Strategies/ElementStrategies/IgnoreAttributesElementComparerTest.cs

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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipAttributes);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipAttributes);
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}
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[Theory(DisplayName = "When a control element has both 'diff:ignoreChildren' and a 'diff:ignoreAttributes'")]
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[InlineData("<button diff:ignoreAttributes diff:ignoreChildren></button>", @"<button id=""buttonid"" class=""somecss"">Not Ignored</button>")]
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[InlineData("<button diff:ignoreAttributes diff:ignoreChildren></button>", @"<button id=""buttonid"" class=""somecss""><span>Not Ignored</span></button>")]
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public void Test003(string controlHtml, string testHtml)
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{
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var comparison = ToComparison(controlHtml, testHtml);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.Same).ShouldBe(CompareResult.SkipAttributes);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipAttributes);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.Skip).ShouldBe(CompareResult.Skip);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.SkipChildrenAndAttributes).ShouldBe(CompareResult.SkipChildrenAndAttributes);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.SkipChildren).ShouldBe(CompareResult.SkipChildrenAndAttributes);
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IgnoreAttributesElementComparer.Compare(comparison, CompareResult.SkipAttributes).ShouldBe(CompareResult.SkipAttributes);
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}
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}

‎src/AngleSharp.Diffing.Tests/Strategies/ElementStrategies/IgnoreChildrenElementComparerTest.cs

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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipChildren);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipChildren);
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}
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[Theory(DisplayName = "When a control element has both 'diff:ignoreChildren' and a 'diff:ignoreAttributes'")]
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[InlineData("<button diff:ignoreAttributes diff:ignoreChildren></button>", @"<button id=""buttonid"" class=""somecss"">Not Ignored</button>")]
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[InlineData("<button diff:ignoreAttributes diff:ignoreChildren></button>", @"<button id=""buttonid"" class=""somecss""><span>Not Ignored</span></button>")]
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public void Test003(string controlHtml, string testHtml)
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{
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var comparison = ToComparison(controlHtml, testHtml);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.Same).ShouldBe(CompareResult.SkipChildren);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.Unknown).ShouldBe(CompareResult.SkipChildren);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.Skip).ShouldBe(CompareResult.Skip);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.SkipChildrenAndAttributes).ShouldBe(CompareResult.SkipChildrenAndAttributes);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.SkipAttributes).ShouldBe(CompareResult.SkipChildrenAndAttributes);
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IgnoreChildrenElementComparer.Compare(comparison, CompareResult.SkipChildren).ShouldBe(CompareResult.SkipChildren);
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}
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}

‎src/AngleSharp.Diffing/AngleSharp.Diffing.csproj

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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
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<PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<None Include="..\..\logo.png" Pack="true" PackagePath="\" />
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<None Include="..\..\LICENSE" Pack="true" PackagePath="\" />
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</ItemGroup>
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</Project>

‎src/AngleSharp.Diffing/Core/CompareResult.cs

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/// </summary>
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public static readonly CompareResult SkipAttributes = new CompareResult(CompareDecision.SkipAttributes);
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/// <summary>
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/// Use when the comparison should skip any attributes.
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/// </summary>
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public static readonly CompareResult SkipChildrenAndAttributes = new CompareResult(CompareDecision.SkipChildren | CompareDecision.SkipAttributes);
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/// <summary>
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/// Use when the two compared nodes or attributes are the different.
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/// </summary>

‎src/AngleSharp.Diffing/Strategies/ElementStrategies/IgnoreAttributesElementComparer.cs

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/// </summary>
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public static CompareResult Compare(in Comparison comparison, CompareResult currentDecision)
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{
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if (currentDecision == CompareResult.Skip)
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if (currentDecision == CompareResult.Skip || currentDecision == CompareResult.SkipAttributes || currentDecision == CompareResult.SkipChildrenAndAttributes)
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return currentDecision;
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return ControlHasTruthyIgnoreAttributesAttribute(comparison)
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? CompareResult.SkipAttributes
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: currentDecision;
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if (!ControlHasTruthyIgnoreAttributesAttribute(comparison))
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return currentDecision;
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return currentDecision.Decision switch
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{
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CompareDecision.Unknown => CompareResult.SkipAttributes,
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CompareDecision.Same => CompareResult.SkipAttributes,
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CompareDecision.Different => CompareResult.SkipAttributes,
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CompareDecision.SkipChildren => CompareResult.SkipChildrenAndAttributes,
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_ => currentDecision,
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};
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}
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private static bool ControlHasTruthyIgnoreAttributesAttribute(in Comparison comparison)

‎src/AngleSharp.Diffing/Strategies/ElementStrategies/IgnoreChildrenElementComparer.cs

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@@ -12,12 +12,20 @@ public static class IgnoreChildrenElementComparer
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/// </summary>
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public static CompareResult Compare(in Comparison comparison, CompareResult currentDecision)
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{
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if (currentDecision == CompareResult.Skip)
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if (currentDecision == CompareResult.Skip || currentDecision == CompareResult.SkipChildren || currentDecision == CompareResult.SkipChildrenAndAttributes)
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return currentDecision;
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return ControlHasTruthyIgnoreChildrenAttribute(comparison)
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? CompareResult.SkipChildren
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: currentDecision;
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if (!ControlHasTruthyIgnoreChildrenAttribute(comparison))
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return currentDecision;
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return currentDecision.Decision switch
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{
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CompareDecision.Unknown => CompareResult.SkipChildren,
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CompareDecision.Same => CompareResult.SkipChildren,
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CompareDecision.Different => CompareResult.SkipChildren,
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CompareDecision.SkipAttributes => CompareResult.SkipChildrenAndAttributes,
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_ => currentDecision,
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};
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}
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private static bool ControlHasTruthyIgnoreChildrenAttribute(in Comparison comparison)

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