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Commit 0b48e7f

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N. Taylor Mullen
committed
Add copy helpers for TagHelperOutput from TagBuilder.
- Added a new test project for tag helper specific code. - Tested out Merge and MergeAttributes. #1319
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‎Mvc.sln

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@@ -1,7 +1,7 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 14
4-
VisualStudioVersion = 14.0.22013.1
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VisualStudioVersion = 14.0.22208.0
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "samples", "samples", "{DAAE4C74-D06F-4874-A166-33305D2643CE}"
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EndProject
@@ -84,6 +84,8 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "ApiExplorerWebSite", "test\
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "VersioningWebSite", "test\WebSites\VersioningWebSite\VersioningWebSite.kproj", "{C6304029-78C8-4604-99BE-2078DCA1DD36}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "ReflectedModelWebSite", "test\WebSites\ReflectedModelWebSite\ReflectedModelWebSite.kproj", "{C2EF54F8-8886-4260-A322-44F76245F95D}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "TagHelpersWebSite", "test\WebSites\TagHelpersWebSite\TagHelpersWebSite.kproj", "{6DB9B8D0-80F7-4E70-BBB0-0B4C04D79A47}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "FilesWebSite", "test\WebSites\FilesWebSite\FilesWebSite.kproj", "{0EF9860B-10D7-452F-B0F4-A405B88BEBB3}"
@@ -101,6 +103,8 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "TagHelperSample.Web", "samp
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.TagHelpers", "src\Microsoft.AspNet.Mvc.TagHelpers\Microsoft.AspNet.Mvc.TagHelpers.kproj", "{B2347320-308E-4D2B-AEC8-005DFA68B0C9}"
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EndProject
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Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.TagHelpers.Test", "test\Microsoft.AspNet.Mvc.TagHelpers.Test\Microsoft.AspNet.Mvc.TagHelpers.Test.kproj", "{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
@@ -551,6 +555,16 @@ Global
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|Mixed Platforms.Build.0 = Release|Any CPU
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9}.Release|x86.ActiveCfg = Release|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Debug|x86.ActiveCfg = Debug|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Release|Any CPU.Build.0 = Release|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Release|Mixed Platforms.Build.0 = Release|Any CPU
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65}.Release|x86.ActiveCfg = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -601,5 +615,6 @@ Global
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{6DB9B8D0-80F7-4E70-BBB0-0B4C04D79A47} = {16703B76-C9F7-4C75-AE6C-53D92E308E3C}
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{2223120F-D675-40DA-8CD8-11DC14A0B2C7} = {DAAE4C74-D06F-4874-A166-33305D2643CE}
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{B2347320-308E-4D2B-AEC8-005DFA68B0C9} = {32285FA4-6B46-4D6B-A840-2B13E4C8B58E}
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{EB1C7DE2-B8BC-4B01-8A09-162DB15A0F65} = {3BA657BF-28B1-42DA-B5B0-1C4601FCF7B1}
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EndGlobalSection
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EndGlobal

‎src/Microsoft.AspNet.Mvc.TagHelpers/Properties/AssemblyInfo.cs

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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.Runtime.CompilerServices;
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[assembly: InternalsVisibleTo("Microsoft.AspNet.Mvc.TagHelpers.Test")]

‎src/Microsoft.AspNet.Mvc.TagHelpers/TagHelperOutputHelper.cs

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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using Microsoft.AspNet.Mvc.Rendering;
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using Microsoft.AspNet.Razor.Runtime.TagHelpers;
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namespace Microsoft.AspNet.Mvc.TagHelpers
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{
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internal class TagHelperOutputHelper
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{
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public static void Merge(TagHelperOutput tagHelperOutput, TagBuilder tagBuilder)
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{
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tagHelperOutput.TagName = tagBuilder.TagName;
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tagHelperOutput.Content = tagBuilder.InnerHtml;
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MergeAttributes(tagHelperOutput, tagBuilder);
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}
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public static void MergeAttributes(TagHelperOutput tagHelperOutput, TagBuilder tagBuilder)
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{
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foreach (var attribute in tagBuilder.Attributes)
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{
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if (!tagHelperOutput.Attributes.ContainsKey(attribute.Key))
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{
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tagHelperOutput.Attributes.Add(attribute.Key, attribute.Value);
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}
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}
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}
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}
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}

‎test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperOutputHelperTest.cs

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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.AspNet.Mvc.Rendering;
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using Microsoft.AspNet.Razor.Runtime.TagHelpers;
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using Xunit;
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namespace Microsoft.AspNet.Mvc.TagHelpers
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{
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public class TagHelperOutputHelperTest
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{
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[Fact]
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public void MergeAttributes_DoesNotReplace_TagHelperOutputAttributeValues()
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{
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// Arrange
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var tagHelperOutput = new TagHelperOutput(
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"p",
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attributes: new Dictionary<string, string>(),
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content: string.Empty);
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var expectedAttribute = new KeyValuePair<string, string>("class", "btn");
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tagHelperOutput.Attributes.Add(expectedAttribute);
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var tagBuilder = new TagBuilder("p");
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tagBuilder.Attributes.Add("class", "hello");
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// Act
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TagHelperOutputHelper.MergeAttributes(tagHelperOutput, tagBuilder);
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// Assert
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var attribute = Assert.Single(tagHelperOutput.Attributes);
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Assert.Equal(expectedAttribute, attribute);
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}
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[Fact]
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public void MergeAttributes_Maintains_TagHelperOutputAttributeValues()
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{
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// Arrange
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var tagHelperOutput = new TagHelperOutput(
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"p",
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attributes: new Dictionary<string, string>(),
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content: string.Empty);
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var expectedAttribute = new KeyValuePair<string, string>("class", "btn");
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tagHelperOutput.Attributes.Add(expectedAttribute);
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var tagBuilder = new TagBuilder("p");
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// Act
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TagHelperOutputHelper.MergeAttributes(tagHelperOutput, tagBuilder);
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// Assert
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var attribute = Assert.Single(tagHelperOutput.Attributes);
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Assert.Equal(expectedAttribute, attribute);
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}
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[Fact]
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public void MergeAttributes_Combines_TagHelperOutputAttributeValues()
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{
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// Arrange
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var tagHelperOutput = new TagHelperOutput(
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"p",
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attributes: new Dictionary<string, string>(),
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content: string.Empty);
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var expectedOutputAttribute = new KeyValuePair<string, string>("class", "btn");
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tagHelperOutput.Attributes.Add(expectedOutputAttribute);
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var tagBuilder = new TagBuilder("p");
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var expectedBuilderAttribute = new KeyValuePair<string, string>("for", "hello");
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tagBuilder.Attributes.Add(expectedBuilderAttribute);
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// Act
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TagHelperOutputHelper.MergeAttributes(tagHelperOutput, tagBuilder);
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// Assert
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Assert.Equal(tagHelperOutput.Attributes.Count, 2);
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Assert.Equal(expectedOutputAttribute, tagHelperOutput.Attributes.First());
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Assert.Equal(expectedBuilderAttribute, tagHelperOutput.Attributes.Last());
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}
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[Fact]
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public void Merge_CombinesAllTagHelperOutputAndTagBuilderProperties()
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{
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// Arrange
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var tagHelperOutput = new TagHelperOutput(
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"p",
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attributes: new Dictionary<string, string>(),
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content: "Hello from tagHelperOutput");
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var expectedOutputAttribute = new KeyValuePair<string, string>("class", "btn");
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tagHelperOutput.Attributes.Add(expectedOutputAttribute);
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var tagBuilder = new TagBuilder("div");
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var expectedBuilderAttribute = new KeyValuePair<string, string>("for", "hello");
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tagBuilder.Attributes.Add(expectedBuilderAttribute);
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tagBuilder.InnerHtml = "Hello from tagBuilder.";
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// Act
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TagHelperOutputHelper.Merge(tagHelperOutput, tagBuilder);
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// Assert
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Assert.Equal("div", tagHelperOutput.TagName);
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Assert.Equal("Hello from tagBuilder.", tagHelperOutput.Content);
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Assert.Equal(tagHelperOutput.Attributes.Count, 2);
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Assert.Equal(expectedOutputAttribute, tagHelperOutput.Attributes.First());
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Assert.Equal(expectedBuilderAttribute, tagHelperOutput.Attributes.Last());
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}
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}
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}

‎test/Microsoft.Aspnet.Mvc.TagHelpers.Test/Microsoft.Aspnet.Mvc.TagHelpers.Test.kproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="__ToolsVersion__" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
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<VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.Props" Condition="'$(VSToolsPath)' != ''" />
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<PropertyGroup Label="Globals">
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<ProjectGuid>eb1c7de2-b8bc-4b01-8a09-162db15a0f65</ProjectGuid>
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<OutputType>Library</OutputType>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'" Label="Configuration">
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'" Label="Configuration">
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</PropertyGroup>
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<PropertyGroup>
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<SchemaVersion>2.0</SchemaVersion>
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</PropertyGroup>
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<Import Project="$(VSToolsPath)\AspNet\Microsoft.Web.AspNet.targets" Condition="'$(VSToolsPath)' != ''" />
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</Project>

‎test/Microsoft.Aspnet.Mvc.TagHelpers.Test/project.json

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{
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"dependencies": {
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"Microsoft.AspNet.Mvc.TagHelpers": "",
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"Microsoft.AspNet.Testing": "1.0.0-*",
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"Xunit.KRunner": "1.0.0-*"
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},
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"commands": {
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"test": "Xunit.KRunner"
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},
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"frameworks": {
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"aspnet50": {
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"dependencies": {
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"Moq": "4.2.1312.1622"
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}
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}
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}
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}

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