dotnet-installer/test/Microsoft.DotNet.Tools.Tests.Utilities/Assertions/StringAssertionsExtensions.cs

38 lines
1.7 KiB
C#

// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using FluentAssertions;
using FluentAssertions.Execution;
using FluentAssertions.Primitives;
namespace Microsoft.DotNet.Tools.Test.Utilities
{
public static class StringAssertionsExtensions
{
private static string NormalizeLineEndings(string s)
{
return s.Replace("\r\n", "\n");
}
public static AndConstraint<StringAssertions> BeVisuallyEquivalentTo(this StringAssertions assertions, string expected, string because = "", params object[] becauseArgs)
{
Execute.Assertion
.ForCondition(NormalizeLineEndings(assertions.Subject) == NormalizeLineEndings(expected))
.BecauseOf(because, becauseArgs)
.FailWith($"String \"{assertions.Subject}\" is not visually equivalent to expected string \"{expected}\".");
return new AndConstraint<StringAssertions>(assertions);
}
public static AndConstraint<StringAssertions> ContainVisuallySameFragment(this StringAssertions assertions, string expected, string because = "", params object[] becauseArgs)
{
Execute.Assertion
.ForCondition(NormalizeLineEndings(assertions.Subject).Contains(NormalizeLineEndings(expected)))
.BecauseOf(because, becauseArgs)
.FailWith($"String \"{assertions.Subject}\" does not contain visually same fragment string \"{expected}\".");
return new AndConstraint<StringAssertions>(assertions);
}
}
}