77 lines
2.7 KiB
C#
77 lines
2.7 KiB
C#
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// Copyright (c) .NET Foundation and contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Microsoft.DotNet.Cli.Utils;
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using Microsoft.DotNet.Tools.Test.Utilities;
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using Xunit;
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namespace Microsoft.DotNet.Tools.Builder.Tests
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{
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public class ProjectToProjectDependenciesIncrementalTest : IncrementalTestBase
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{
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private string[] _projects = new[] { "L0", "L11", "L12", "L21", "L22" };
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public ProjectToProjectDependenciesIncrementalTest() : base(
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Path.Combine("TestProjects", "TestProjectToProjectDependencies"),
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"L0",
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"L0 L11 L12 L22 L21 L12 L22 " + Environment.NewLine)
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{
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}
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[Theory,
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InlineData("L0", new[] { "L0" }),
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InlineData("L11", new[] { "L0", "L11" }),
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InlineData("L12", new[] { "L0", "L11", "L12" }),
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InlineData("L22", new[] { "L0", "L11", "L12", "L22" }),
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InlineData("L21", new[] { "L0", "L11", "L21" })
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]
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public void TestIncrementalBuildOfDependencyGraph(string projectToTouch, string[] expectedRebuiltProjects)
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{
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// first clean build; all projects required compilation
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var result1 = BuildProject();
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AssertRebuilt(result1, _projects);
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// second build; nothing changed; no project required compilation
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var result2 = BuildProject();
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AssertRebuilt(result2, Array.Empty<string>());
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//modify the source code of a project
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TouchSourcesOfProject(projectToTouch);
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// third build; all projects on the paths from touched project to root project need to be rebuilt
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var result3 = BuildProject();
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AssertRebuilt(result3, expectedRebuiltProjects);
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}
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// compute A - B
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private T[] SetDifference<T>(T[] A, T[] B)
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{
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var setA = new HashSet<T>(A);
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setA.ExceptWith(B);
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return setA.ToArray();
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}
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private void AssertRebuilt(CommandResult buildResult, string[] expectedRebuilt)
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{
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foreach (var rebuiltProject in expectedRebuilt)
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{
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AssertProjectCompiled(rebuiltProject, buildResult);
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}
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foreach (var skippedProject in SetDifference(_projects, expectedRebuilt))
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{
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AssertProjectSkipped(skippedProject, buildResult);
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}
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}
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protected override string GetProjectDirectory(string projectName)
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{
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return Path.Combine(_tempProjectRoot.Path, "src", projectName);
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}
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}
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}
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