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Add parsing tests
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‎test/NuGet.Core.Tests/NuGet.CommandLine.Xplat.Tests/Commands/Package/Download/PackageDownloadCommandTests.cs‎

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// Copyright (c) .NET Foundation. 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;
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using System.CommandLine;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using FluentAssertions;
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using NuGet.CommandLine.XPlat.Commands.Package.PackageDownload;
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using NuGet.Common;
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using NuGet.Test.Utility;
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using Xunit;
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namespace NuGet.CommandLine.Xplat.Tests.Commands.Package.Download
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{
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public class PackageDownloadCommandTests
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{
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[Fact]
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public async Task NoArguments_HasDefaultOptions()
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{
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// Arrange
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string args = "package download";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().BeEmpty();
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result.Sources.Should().BeEmpty();
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result.OutputDirectory.Should().BeNull();
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result.ConfigFile.Should().BeNull();
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result.IncludePrerelease.Should().BeFalse();
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result.DownloadOnly.Should().BeFalse();
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result.AllowInsecureConnections.Should().BeFalse();
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result.Interactive.Should().BeFalse();
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result.LogLevel.Should().Be(LogLevel.Information);
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}
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[Fact]
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public async Task WithSinglePackage_ShouldParsePackageId()
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{
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// Arrange
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string args = "package download Contoso.Utils";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(1);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().BeNull();
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}
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[Fact]
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public async Task WithMultiplePackages_ShouldParseAllPackageIds()
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{
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// Arrange
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string args = "package download Contoso.Utils Contoso.Framework";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(2);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().BeNull();
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result.Packages[1].Id.Should().Be("Contoso.Framework");
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result.Packages[1].VersionRange.Should().BeNull();
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}
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[Fact]
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public async Task WithPackageAndVersion_ShouldParsePackageWithVersionRange()
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{
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// Arrange
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string args = "package download [email protected]";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(1);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().NotBeNull();
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result.Packages[0].VersionRange!.ToString().Should().Be("[2.1.0, )");
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}
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[Fact]
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public async Task WithPackageAndVersionRange_ShouldParsePackageWithVersionRange()
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{
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// Arrange
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string args = "package download Contoso.Utils@[2.0.0,3.0.0)";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(1);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().NotBeNull();
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result.Packages[0].VersionRange!.ToString().Should().Be("[2.0.0, 3.0.0)");
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}
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[Fact]
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public async Task WithMixedPackages_ShouldParseMixedPackagesCorrectly()
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{
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// Arrange
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string args = "package download [email protected] Contoso.Framework";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(2);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().NotBeNull();
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result.Packages[1].Id.Should().Be("Contoso.Framework");
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result.Packages[1].VersionRange.Should().BeNull();
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}
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[Fact]
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public async Task WithOutputAndConfig_ShouldBindPaths()
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{
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// Arrange
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using var pathContext = new SimpleTestPathContext();
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string outDir = Path.Combine(pathContext.WorkingDirectory, "out");
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string cfg = Path.Combine(pathContext.WorkingDirectory, "nuget.config");
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string args = $"package download --output-directory \"{outDir}\" --configfile \"{cfg}\"";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.OutputDirectory.Should().Be(outDir);
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result.ConfigFile.Should().Be(cfg);
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}
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[Theory]
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[InlineData(true)]
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[InlineData(false)]
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public async Task WithInteractiveOption_ShouldSetCorrectInteractiveValue(bool value)
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{
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// Arrange
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string args = $"package download --interactive:{value}";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Interactive.Should().Be(value);
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}
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[Fact]
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public async Task WithBooleanFlags_ShouldSetAllFlagsTrue()
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{
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// Arrange
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string args = "package download --prerelease --download-only --allow-insecure-connections --interactive";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.IncludePrerelease.Should().BeTrue();
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result.DownloadOnly.Should().BeTrue();
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result.AllowInsecureConnections.Should().BeTrue();
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result.Interactive.Should().BeTrue();
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}
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[Theory]
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[InlineData("--verbosity quiet", LogLevel.Warning)]
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[InlineData("--verbosity q", LogLevel.Warning)]
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[InlineData("--verbosity minimal", LogLevel.Minimal)]
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[InlineData("--verbosity m", LogLevel.Minimal)]
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[InlineData("--verbosity normal", LogLevel.Information)]
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[InlineData("--verbosity n", LogLevel.Information)]
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[InlineData("--verbosity detailed", LogLevel.Verbose)]
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[InlineData("--verbosity d", LogLevel.Verbose)]
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[InlineData("--verbosity diagnostic", LogLevel.Debug)]
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[InlineData("--verbosity diag", LogLevel.Debug)]
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[InlineData("-v quiet", LogLevel.Warning)]
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[InlineData("-v minimal", LogLevel.Minimal)]
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[InlineData("-v normal", LogLevel.Information)]
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[InlineData("-v detailed", LogLevel.Verbose)]
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[InlineData("-v diagnostic", LogLevel.Debug)]
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public async Task WithVerbosityOption_ShouldSetCorrectLogLevel(string verbosityArgs, LogLevel expectedLogLevel)
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{
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// Arrange
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string args = $"package download {verbosityArgs}";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.LogLevel.Should().Be(expectedLogLevel);
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}
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[Fact]
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public void WithInvalidVersionRange_ShouldHaveParseErrors()
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{
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// Arrange
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string args = "package download Contoso.Utils@invalid-version";
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// Act
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var result = Parse(args);
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// Assert
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result.Errors.Count.Should().BeGreaterThan(0);
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}
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[Fact]
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public void WithEmptyVersionAfterAt_ShouldHaveParseErrors()
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{
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// Arrange
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string args = "package download Contoso.Utils@";
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// Act
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var result = Parse(args);
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// Assert
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result.Errors.Count.Should().BeGreaterThan(0);
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}
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[Fact]
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public async Task WithAllOptions_ShouldParseAllOptionsCorrectly()
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{
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// Arrange
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using var pathContext = new SimpleTestPathContext();
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string outDir = Path.Combine(pathContext.WorkingDirectory, "out");
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string cfg = Path.Combine(pathContext.WorkingDirectory, "nuget.config");
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string args = $"package download [email protected] --output-directory \"{outDir}\" --configfile \"{cfg}\" --prerelease --download-only --allow-insecure-connections --source s1 --source s2 --verbosity detailed --interactive";
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// Act
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var result = await RunAsync(args);
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// Assert
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result.Should().NotBeNull();
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result.Packages.Should().HaveCount(1);
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result.Packages[0].Id.Should().Be("Contoso.Utils");
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result.Packages[0].VersionRange.Should().NotBeNull();
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result.OutputDirectory.Should().Be(outDir);
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result.ConfigFile.Should().Be(cfg);
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result.IncludePrerelease.Should().BeTrue();
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result.DownloadOnly.Should().BeTrue();
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result.AllowInsecureConnections.Should().BeTrue();
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result.Sources.Should().ContainInOrder("s1", "s2");
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result.LogLevel.Should().Be(LogLevel.Verbose);
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result.Interactive.Should().BeTrue();
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}
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private ParseResult Parse(string commandLine, Func<PackageDownloadArgs, CancellationToken, Task<int>> action = null)
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{
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RootCommand rootCommand = new RootCommand();
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var packageCommand = new Command("package");
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rootCommand.Subcommands.Add(packageCommand);
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// Simulate SDK-provided interactive option
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var interactiveOption = new Option<bool>("--interactive");
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if (action == null)
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{
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action = (_, _) => throw new NotImplementedException("No action provided for command execution.");
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}
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PackageDownloadCommand.Register(packageCommand, interactiveOption, action);
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var parser = rootCommand.Parse(commandLine);
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return parser;
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}
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private async Task<PackageDownloadArgs> RunAsync(string commandLine)
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{
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PackageDownloadArgs commandArgs = null;
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var parseResult = Parse(commandLine, (args, cancellationToken) =>
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{
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commandArgs = args;
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return Task.FromResult(0);
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});
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using var output = new StringWriter();
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var commandLineConfiguration = new InvocationConfiguration
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{
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Output = output,
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Error = output,
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};
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await parseResult.InvokeAsync(commandLineConfiguration);
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if (commandArgs is null)
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{
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throw new InvalidOperationException("Command arguments were not set during command execution. Output:" + output.ToString());
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}
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return commandArgs;
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}
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}
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}

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