added unit test for BuildProjectListSorter

framework/test/Volo.Abp.Cli.Core.Tests/Volo/Abp/Cli/Build/BuildProjectListSorter_Tests.cs

@@ -0,0 +1,78 @@
+using System.Collections.Generic;
+using Shouldly;
+using Xunit;
+
+namespace Volo.Abp.Cli.Build
+{
+    public class BuildProjectListSorter_Tests : AbpCliTestBase
+    {
+        private IBuildProjectListSorter _buildProjectListSorter;
+
+        public BuildProjectListSorter_Tests()
+        {
+            _buildProjectListSorter = GetRequiredService<IBuildProjectListSorter>();
+        }
+
+        [Fact]
+        public void SortByDependencies_Test()
+        {
+            // A -> B, C
+            // B -> D
+            // D -> F
+            // F -> C
+            // C -> G
+            // Final build order must be: G, 
+            
+            var repositoryName = "volo";
+            var source = new List<DotNetProjectInfo>
+            {
+                new DotNetProjectInfo(repositoryName, "A")
+                {
+                    Dependencies = new List<DotNetProjectInfo>()
+                    {
+                        new DotNetProjectInfo(repositoryName, "B"),
+                        new DotNetProjectInfo(repositoryName, "C")
+                    }
+                },
+                new DotNetProjectInfo(repositoryName, "B")
+                {
+                    Dependencies = new List<DotNetProjectInfo>()
+                    {
+                        new DotNetProjectInfo(repositoryName, "D")
+                    }
+                },
+                new DotNetProjectInfo(repositoryName, "D")
+                {
+                    Dependencies = new List<DotNetProjectInfo>()
+                    {
+                        new DotNetProjectInfo(repositoryName, "F")
+                    }
+                },
+                new DotNetProjectInfo(repositoryName, "F")
+                {
+                    Dependencies = new List<DotNetProjectInfo>()
+                    {
+                        new DotNetProjectInfo(repositoryName, "C")
+                    }
+                },
+                new DotNetProjectInfo(repositoryName, "C")
+                {
+                    Dependencies = new List<DotNetProjectInfo>()
+                    {
+                        new DotNetProjectInfo(repositoryName, "G")
+                    }
+                },
+                new DotNetProjectInfo(repositoryName, "G")
+            };
+
+            var sortedDependencies = _buildProjectListSorter.SortByDependencies(source, new DotNetProjectInfoEqualityComparer());
+            sortedDependencies.Count.ShouldBe(6);
+            sortedDependencies[0].CsProjPath.ShouldBe("G");
+            sortedDependencies[1].CsProjPath.ShouldBe("C");
+            sortedDependencies[2].CsProjPath.ShouldBe("F");
+            sortedDependencies[3].CsProjPath.ShouldBe("D");
+            sortedDependencies[4].CsProjPath.ShouldBe("B");
+            sortedDependencies[5].CsProjPath.ShouldBe("A");
+        }
+    }
+}