File: CommandTests\Reference\Add\GivenDotnetAddReference.cs
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Project: ..\..\..\test\dotnet.Tests\dotnet.Tests.csproj (dotnet.Tests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Msbuild.Tests.Utilities;
 
namespace Microsoft.DotNet.Cli.Add.Reference.Tests
{
    public class GivenDotnetAddReference : SdkTest
    {
        private Func<string, string, string> HelpText = (defaultVal, frameworkVal) => $@"Description:
  Add a project-to-project reference to the project.
 
Usage:
  dotnet reference add <PROJECT_PATH>... [options]
 
Arguments:
  <PROJECT_PATH>  The paths to the projects to add as references.
 
Options:
  -f, --framework <FRAMEWORK>  Add the reference only when targeting a specific framework.
  --interactive                Allows the command to stop and wait for user input or action (for example to complete
                               authentication). [default: False]
  --project                    The project file to operate on. If a file is not specified, the command will search the
                               current directory for one.
  -?, -h, --help               Show command line help.";
 
        private Func<string, string> AddCommandHelpText = (defaultVal) => $@"Description:
  .NET Remove Command
 
Usage:
  dotnet reference [command] [options]
 
Options:
  --project <project>  The project file to operate on. If a file is not specified, the command will search the current
                       directory for one.
  -?, -h, --help       Show command line help.
 
Commands:
  add <PROJECT_PATH>     Add a project-to-project reference to the project.
  list                   List all project-to-project references of the project.
  remove <PROJECT_PATH>  Remove a project-to-project reference from the project.";
 
        const string FrameworkNet451 = "net451";
        const string ConditionFrameworkNet451 = "== 'net451'";
        static readonly string ProjectNotCompatibleErrorMessageRegEx = string.Format(CliStrings.ProjectNotCompatibleWithFrameworks, "[^`]*");
        static readonly string ProjectDoesNotTargetFrameworkErrorMessageRegEx = string.Format(CliStrings.ProjectDoesNotTargetFramework, "[^`]*", "[^`]*");
        static readonly string[] DefaultFrameworks = new string[] { ToolsetInfo.CurrentTargetFramework, "net451" };
 
        public GivenDotnetAddReference(ITestOutputHelper log) : base(log)
        {
        }
 
        private TestSetup Setup([System.Runtime.CompilerServices.CallerMemberName] string callingMethod = nameof(Setup), string identifier = "")
        {
            return new TestSetup(
                _testAssetsManager.CopyTestAsset(TestSetup.ProjectName, callingMethod + nameof(GivenDotnetAddReference), identifier: identifier + callingMethod, testAssetSubdirectory: TestSetup.TestGroup)
                    .WithSource()
                    .Path);
        }
 
        private ProjDir NewDir([System.Runtime.CompilerServices.CallerMemberName] string callingMethod = nameof(NewDir), string identifier = "")
        {
            return new ProjDir(_testAssetsManager.CreateTestDirectory(testName: callingMethod, identifier: identifier).Path);
        }
 
        private ProjDir NewLib(string? dir = null, [System.Runtime.CompilerServices.CallerMemberName] string callingMethod = nameof(NewDir), string identifier = "")
        {
            var projDir = dir == null ? NewDir(callingMethod: callingMethod, identifier: identifier) : new ProjDir(dir);
 
            try
            {
                new DotnetNewCommand(Log, "classlib", "-o", projDir.Path, "--no-restore")
                    .WithVirtualHive()
                    .WithWorkingDirectory(projDir.Path)
                    .Execute()
                .Should().Pass();
            }
            catch (System.ComponentModel.Win32Exception e)
            {
                throw new Exception($"Intermittent error in `dotnet new` occurred when running it in dir `{projDir.Path}`\nException:\n{e}");
            }
 
            return projDir;
        }
 
        private static void SetTargetFrameworks(ProjDir proj, string[] frameworks)
        {
            var csproj = proj.CsProj();
            csproj.AddProperty("TargetFrameworks", string.Join(";", frameworks));
            csproj.Save();
        }
 
        private ProjDir NewLibWithFrameworks(string? dir = null, [System.Runtime.CompilerServices.CallerMemberName] string callingMethod = nameof(NewDir), string identifier = "")
        {
            var ret = NewLib(dir, callingMethod: callingMethod, identifier: identifier);
            SetTargetFrameworks(ret, DefaultFrameworks);
            return ret;
        }
 
        [Theory]
        [InlineData("--help")]
        [InlineData("-h")]
        public void WhenHelpOptionIsPassedItPrintsUsage(string helpArg)
        {
            var cmd = new DotnetCommand(Log, "reference", "add").Execute(helpArg);
            cmd.Should().Pass();
            cmd.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized(HelpText(Directory.GetCurrentDirectory(), "FRAMEWORK"));
        }
 
        [Fact]
        public void WhenTooManyArgumentsArePassedItPrintsError()
        {
            if (!File.Exists("proj.csproj"))
            {
                File.Create("proj.csproj");
            }
            var cmd = new DotnetCommand(Log, "add", "one", "two", "three", "reference")
                    .Execute("proj.csproj");
            cmd.ExitCode.Should().NotBe(0);
            cmd.StdErr.Should().BeVisuallyEquivalentTo($@"{string.Format(CliStrings.UnrecognizedCommandOrArgument, "two")}
{string.Format(CliStrings.UnrecognizedCommandOrArgument, "three")}");
        }
 
        [Theory]
        [InlineData("idontexist.csproj")]
        [InlineData("ihave?inv@lid/char\\acters")]
        public void WhenNonExistingProjectIsPassedItPrintsError(string projName)
        {
            var setup = Setup(identifier: projName);
 
            var cmd = new DotnetCommand(Log, "add", projName, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute($"\"{setup.ValidRefCsprojPath}\"");
            cmd.ExitCode.Should().NotBe(0);
            cmd.StdErr.Should().Be(string.Format(CliStrings.CouldNotFindProjectOrDirectory, projName));
            cmd.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
        }
 
        [Fact]
        public void WhenBrokenProjectIsPassedItPrintsError()
        {
            string projName = "Broken/Broken.csproj";
            var setup = Setup();
 
            string brokenFolder = Path.Combine(setup.TestRoot, "Broken");
            Directory.CreateDirectory(brokenFolder);
            string brokenProjectPath = Path.Combine(brokenFolder, "Broken.csproj");
            File.WriteAllText(brokenProjectPath, $@"<Project Sdk=""Microsoft.NET.Sdk"" ToolsVersion=""15.0"" xmlns=""http://schemas.microsoft.com/developer/msbuild/2003"">
    <PropertyGroup>
        <OutputType>Library</OutputType>
        <TargetFrameworks>net451;{ToolsetInfo.CurrentTargetFramework}</TargetFrameworks>
    </PropertyGroup>
 
    <ItemGroup>
        <Compile Include=""**\*.cs""/>
        <EmbeddedResource Include=""**\*.resx""/>
    <!--intentonally broken-->");
 
            var cmd = new DotnetCommand(Log, "add", projName, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute($"{setup.ValidRefCsprojPath}");
            cmd.ExitCode.Should().NotBe(0);
            cmd.StdErr.Should().Be(string.Format(CliStrings.ProjectIsInvalid, projName));
            cmd.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
        }
 
        [Fact]
        public void WhenMoreThanOneProjectExistsInTheDirectoryItPrintsErrorAndUsage()
        {
            var setup = Setup();
 
            var workingDir = Path.Combine(setup.TestRoot, "MoreThanOne");
            var cmd = new DotnetCommand(Log, "add", "reference")
                    .WithWorkingDirectory(workingDir)
                    .Execute(setup.ValidRefCsprojRelToOtherProjPath);
            cmd.ExitCode.Should().NotBe(0);
            cmd.StdErr.Should().Be(string.Format(CliStrings.MoreThanOneProjectInDirectory, workingDir + Path.DirectorySeparatorChar));
            cmd.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
        }
 
        [Fact]
        public void WhenNoProjectsExistsInTheDirectoryItPrintsError()
        {
            var setup = Setup();
 
            var cmd = new DotnetCommand(Log, "add", "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(setup.ValidRefCsprojPath);
            cmd.ExitCode.Should().NotBe(0);
            cmd.StdErr.Should().Be(string.Format(CliStrings.CouldNotFindAnyProjectInDirectory, setup.TestRoot + Path.DirectorySeparatorChar));
            cmd.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
        }
 
        [Fact]
        public void ItFailsToAddInvalidRefWithProperlyFormattedError()
        {
            var invalidProjDirectory = Path.Combine(_testAssetsManager.CreateTestDirectory().Path, "InvalidProj");
            var invalidProjPath = Path.Combine(invalidProjDirectory, "InvalidProj.csproj");
            Directory.CreateDirectory(invalidProjDirectory);
            File.WriteAllText(invalidProjPath, $@"<Project Sdk=""Microsoft.NET.Sdk"">
  <PropertyGroup>
    <TargetFramework>{ToolsetInfo.CurrentTargetFramework}</TargetFramework>
  </PropertyGroup>
  <Import Project=""fake.props"" />
</Project>");
 
            var cmd = new DotnetCommand(Log, "add", "reference", invalidProjPath)
                .WithWorkingDirectory(invalidProjDirectory)
                .Execute();
            cmd.Should().Fail();
            cmd.StdErr.Should().Contain(string.Format(
                CliStrings.ProjectCouldNotBeEvaluated.Substring(0, CliStrings.ProjectCouldNotBeEvaluated.Length - 4), // Remove the '{0}.' from the end
                invalidProjPath));
            cmd.StdErr.Should().NotContain("Microsoft.DotNet.Cli.Utils.GracefulException");
        }
 
        [Fact]
        public void ItAddsRefWithoutCondAndPrintsStatus()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            cmd.StdErr.Should().BeEmpty();
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void ItAddsRefWithCondAndPrintsStatus()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int condBefore = lib.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            cmd.StdErr.Should().BeEmpty();
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(condBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.ValidRefCsprojName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithoutCondIsPresentItAddsDifferentRefWithoutCond()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.LibCsprojPath)
                .Should().Pass();
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjName, "reference")
                .WithWorkingDirectory(lib.Path)
                .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithCondIsPresentItAddsDifferentRefWithCond()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.LibCsprojPath)
                .Should().Pass();
 
            int condBefore = lib.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj")); ;
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(condBefore);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.ValidRefCsprojName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithCondIsPresentItAddsRefWithDifferentCond()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", ToolsetInfo.CurrentTargetFramework, setup.ValidRefCsprojPath)
                .Should().Pass();
 
            int condBefore = lib.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(condBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.ValidRefCsprojName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithConditionIsPresentItAddsDifferentRefWithoutCond()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.LibCsprojPath)
                .Should().Pass();
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithNoCondAlreadyExistsItDoesntDuplicate()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.ValidRefCsprojPath)
                .Should().Pass();
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjName, "reference")
                .WithWorkingDirectory(lib.Path)
                .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"ValidRef\ValidRef.csproj"));
 
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithCondOnItemAlreadyExistsItDoesntDuplicate()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithExistingRefCondOnItem"));
 
            string contentBefore = proj.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjPath, "reference")
                    .WithWorkingDirectory(proj.Path)
                    .Execute("-f", FrameworkNet451, setup.LibCsprojRelPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"..\Lib\Lib.csproj"));
            proj.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenRefWithCondOnItemGroupAlreadyExistsItDoesntDuplicate()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath)
                .Should().Pass();
 
            var csprojContentBefore = lib.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"ValidRef\ValidRef.csproj"));
            lib.CsProjContent().Should().BeEquivalentTo(csprojContentBefore);
        }
 
        [Fact]
        public void WhenRefWithCondWithWhitespaceOnItemGroupExistsItDoesntDuplicate()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithExistingRefCondWhitespaces"));
 
            string contentBefore = proj.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjName, "reference")
                    .WithWorkingDirectory(proj.Path)
                    .Execute("-f", FrameworkNet451, setup.LibCsprojRelPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"..\Lib\Lib.csproj"));
            proj.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenRefWithoutCondAlreadyExistsInNonUniformItemGroupItDoesntDuplicate()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithRefNoCondNonUniform"));
 
            string contentBefore = proj.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjName, "reference")
                    .WithWorkingDirectory(proj.Path)
                    .Execute(setup.LibCsprojRelPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"..\Lib\Lib.csproj"));
            proj.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenRefWithoutCondAlreadyExistsInNonUniformItemGroupItAddsDifferentRefInDifferentGroup()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithRefNoCondNonUniform"));
 
            int noCondBefore = proj.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"..\ValidRef\ValidRef.csproj"));
            var csproj = proj.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void WhenRefWithCondAlreadyExistsInNonUniformItemGroupItDoesntDuplicate()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithRefCondNonUniform"));
 
            string contentBefore = proj.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjName, "reference")
                    .WithWorkingDirectory(proj.Path)
                    .Execute("-f", FrameworkNet451, setup.LibCsprojRelPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ProjectAlreadyHasAreference, @"..\Lib\Lib.csproj"));
            proj.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenRefWithCondAlreadyExistsInNonUniformItemGroupItAddsDifferentRefInDifferentGroup()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "WithRefCondNonUniform"));
 
            int condBefore = proj.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", proj.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute("-f", FrameworkNet451, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, "..\\ValidRef\\ValidRef.csproj"));
            var csproj = proj.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(condBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.ValidRefCsprojName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void WhenEmptyItemGroupPresentItAddsRefInIt()
        {
            var setup = Setup();
            var proj = new ProjDir(Path.Combine(setup.TestRoot, "EmptyItemGroup"));
 
            int noCondBefore = proj.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", proj.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"..\ValidRef\ValidRef.csproj"));
            var csproj = proj.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void ItAddsMultipleRefsNoCondToTheSameItemGroup()
        {
            string OutputText = $@"{string.Format(CliStrings.ReferenceAddedToTheProject, @"Lib\Lib.csproj")}
{string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj")}";
 
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.LibCsprojPath, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().BeVisuallyEquivalentTo(OutputText);
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.LibCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void ItAddsMultipleRefsWithCondToTheSameItemGroup()
        {
            string OutputText = $@"{string.Format(CliStrings.ReferenceAddedToTheProject, @"Lib\Lib.csproj")}
{string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj")}";
 
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute("-f", FrameworkNet451, setup.LibCsprojPath, setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().BeVisuallyEquivalentTo(OutputText);
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.ValidRefCsprojName, ConditionFrameworkNet451).Should().Be(1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(setup.LibCsprojName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void WhenProjectNameIsNotPassedItFindsItAndAddsReference()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", "reference")
                .WithWorkingDirectory(lib.Path)
                .Execute(setup.ValidRefCsprojPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            cmd.StdErr.Should().BeEmpty();
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojName).Should().Be(1);
        }
 
        [Fact]
        public void WhenPassedReferenceDoesNotExistItShowsAnError()
        {
            var lib = NewLibWithFrameworks();
 
            var contentBefore = lib.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjName, "reference")
                .WithWorkingDirectory(lib.Path)
                .Execute("IDoNotExist.csproj");
            cmd.Should().Fail();
            cmd.StdErr.Should().Be(string.Format(CliStrings.CouldNotFindProjectOrDirectory, "IDoNotExist.csproj"));
            lib.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenPassedMultipleRefsAndOneOfthemDoesNotExistItCancelsWholeOperation()
        {
            var lib = NewLibWithFrameworks();
            var setup = Setup();
 
            var contentBefore = lib.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.ValidRefCsprojPath, "IDoNotExist.csproj");
            cmd.Should().Fail();
            cmd.StdErr.Should().Be(string.Format(CliStrings.CouldNotFindProjectOrDirectory, "IDoNotExist.csproj"));
            lib.CsProjContent().Should().BeEquivalentTo(contentBefore);
        }
 
        [Fact]
        public void WhenPassedReferenceIsUsingSlashesItNormalizesItToBackslashes()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            int noCondBefore = lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjName, "reference")
                .WithWorkingDirectory(lib.Path)
                .Execute(setup.ValidRefCsprojPath.Replace('\\', '/'));
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            cmd.StdErr.Should().BeEmpty();
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojRelPath.Replace('/', '\\')).Should().Be(1);
        }
 
        [Fact]
        public void WhenReferenceIsRelativeAndProjectIsNotInCurrentDirectoryReferencePathIsFixed()
        {
            var setup = Setup();
            var proj = new ProjDir(setup.LibDir);
 
            int noCondBefore = proj.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", setup.LibCsprojPath, "reference")
                .WithWorkingDirectory(setup.TestRoot)
                .Execute(setup.ValidRefCsprojRelPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"..\ValidRef\ValidRef.csproj"));
            cmd.StdErr.Should().BeEmpty();
            var csproj = proj.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(setup.ValidRefCsprojRelToOtherProjPath.Replace('/', '\\')).Should().Be(1);
        }
 
        [Fact]
        public void ItCanAddReferenceWithConditionOnCompatibleFramework()
        {
            var setup = Setup();
            var lib = new ProjDir(setup.LibDir);
            var net45lib = new ProjDir(Path.Combine(setup.TestRoot, "Net45Lib"));
 
            int condBefore = lib.CsProj().NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451);
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                    .Execute("-f", FrameworkNet451, net45lib.CsProjPath);
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"..\Net45Lib\Net45Lib.csproj"));
            var csproj = lib.CsProj();
            csproj.NumberOfItemGroupsWithConditionContaining(ConditionFrameworkNet451).Should().Be(condBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeAndConditionContaining(net45lib.CsProjName, ConditionFrameworkNet451).Should().Be(1);
        }
 
        [Fact]
        public void ItCanAddRefWithoutCondAndTargetingSupersetOfFrameworksAndOneOfReferencesCompatible()
        {
            var setup = Setup();
            var lib = new ProjDir(setup.LibDir);
            var net452netcoreapp10lib = new ProjDir(Path.Combine(setup.TestRoot, "Net452AndNetCoreApp10Lib"));
 
            int noCondBefore = net452netcoreapp10lib.CsProj().NumberOfItemGroupsWithoutCondition();
            var cmd = new DotnetCommand(Log, "add", net452netcoreapp10lib.CsProjPath, "reference")
                    .Execute(lib.CsProjPath);
            cmd.Should().Pass();
            cmd.Should().Pass();
            cmd.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"..\Lib\Lib.csproj"));
            var csproj = net452netcoreapp10lib.CsProj();
            csproj.NumberOfItemGroupsWithoutCondition().Should().Be(noCondBefore + 1);
            csproj.NumberOfProjectReferencesWithIncludeContaining(lib.CsProjName).Should().Be(1);
        }
 
        [Theory]
        [InlineData("net45")]
        [InlineData("net40")]
        [InlineData(ToolsetInfo.CurrentTargetFramework)]
        [InlineData("nonexistingframeworkname")]
        public void WhenFrameworkSwitchIsNotMatchingAnyOfTargetedFrameworksItPrintsError(string framework)
        {
            var setup = Setup(framework);
            var lib = new ProjDir(setup.LibDir);
            var net45lib = new ProjDir(Path.Combine(setup.TestRoot, "Net45Lib"));
 
            var csProjContent = lib.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                    .Execute($"-f", framework, net45lib.CsProjPath);
            cmd.Should().Fail();
            cmd.StdErr.Should().Be(string.Format(CliStrings.ProjectDoesNotTargetFramework, setup.LibCsprojPath, framework));
 
            lib.CsProjContent().Should().BeEquivalentTo(csProjContent);
        }
 
        [Theory]
        [InlineData(false)]
        [InlineData(true)]
        public void WhenIncompatibleFrameworkDetectedItPrintsError(bool useFrameworkArg)
        {
            var setup = Setup(useFrameworkArg.ToString());
            var lib = new ProjDir(setup.LibDir);
            var net45lib = new ProjDir(Path.Combine(setup.TestRoot, "Net45Lib"));
 
            List<string> args = new();
            if (useFrameworkArg)
            {
                args.Add("-f");
                args.Add("net45");
            }
            args.Add(lib.CsProjPath);
 
            var csProjContent = net45lib.CsProjContent();
            var cmd = new DotnetCommand(Log, "add", net45lib.CsProjPath, "reference")
                    .Execute(args);
            cmd.Should().Fail();
            cmd.StdErr.Should().MatchRegex(ProjectNotCompatibleErrorMessageRegEx);
            cmd.StdErr.Should().MatchRegex(" - net45");
            net45lib.CsProjContent().Should().BeEquivalentTo(csProjContent);
        }
 
        [Fact]
        public void WhenDirectoryContainingProjectIsGivenReferenceIsAdded()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            var result = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(Path.GetDirectoryName(setup.ValidRefCsprojPath) ?? string.Empty);
 
            result.Should().Pass();
            result.StdOut.Should().Be(string.Format(CliStrings.ReferenceAddedToTheProject, @"ValidRef\ValidRef.csproj"));
            result.StdErr.Should().BeEmpty();
        }
 
        [Fact]
        public void WhenDirectoryContainsNoProjectsItCancelsWholeOperation()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            var reference = "Empty";
            var result = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(reference);
 
            result.Should().Fail();
            result.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
            result.StdErr.Should().Be(string.Format(CliStrings.CouldNotFindAnyProjectInDirectory, reference));
        }
 
        [Fact]
        public void WhenDirectoryContainsMultipleProjectsItCancelsWholeOperation()
        {
            var setup = Setup();
            var lib = NewLibWithFrameworks(dir: setup.TestRoot);
 
            var reference = "MoreThanOne";
            var result = new DotnetCommand(Log, "add", lib.CsProjPath, "reference")
                    .WithWorkingDirectory(setup.TestRoot)
                    .Execute(reference);
 
            result.Should().Fail();
            result.StdOut.Should().BeVisuallyEquivalentToIfNotLocalized("");
            result.StdErr.Should().Be(string.Format(CliStrings.MoreThanOneProjectInDirectory, reference));
        }
    }
}