WIP

WIP

CenterCLR.RelaxVersioner.Core.Tests/AnalyzerTests.cs

@@ -0,0 +1,32 @@
+////////////////////////////////////////////////////////////////////////////////////////
+//
+// RelaxVersioner - Git tag/branch based, full-automatic version information inserter.
+// Copyright (c) Kouji Matsui (@kozy_kekyo, @kekyo@mastodon.cloud)
+//
+// Licensed under Apache-v2: https://opensource.org/licenses/Apache-2.0
+//
+////////////////////////////////////////////////////////////////////////////////////////
+
+using GitReader;
+using GitReader.Structures;
+using NUnit.Framework;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace RelaxVersioner;
+
+public sealed class AnalyzerTests
+{
+    [TestCase("NothingAnyTags1", "0.0.4")]
+    [TestCase("TagInPrimary", "0.10.1")]
+    [TestCase("TagInSecondary", "0.20.1")]
+    public async Task LookupVersionLabel(string repositoryName, string expectedString)
+    {
+        using var repository = await Repository.Factory.OpenStructureAsync(
+            Path.Combine(TestsSetUp.BasePath, repositoryName));
+
+        var actual = await Analyzer.LookupVersionLabelAsync(repository.Head!, default);
+
+        Assert.AreEqual(expectedString, actual.ToString());
+    }
+}

CenterCLR.RelaxVersioner.Core.Tests/CenterCLR.RelaxVersioner.Core.Tests.csproj

@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <Nullable>enable</Nullable>
+    <TargetFrameworks>net48;net5.0;net6.0;net7.0</TargetFrameworks>
+    <NoWarn>$(NoWarn);NU5104</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
+    <PackageReference Include="Verify.NUnit" Version="19.13.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CenterCLR.RelaxVersioner.Core\CenterCLR.RelaxVersioner.Core.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="artifacts\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="artifacts\*.zip">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

CenterCLR.RelaxVersioner.Core.Tests/TestsSetUp.cs

@@ -0,0 +1,46 @@
+////////////////////////////////////////////////////////////////////////////////////////
+//
+// RelaxVersioner - Git tag/branch based, full-automatic version information inserter.
+// Copyright (c) Kouji Matsui (@kozy_kekyo, @kekyo@mastodon.cloud)
+//
+// Licensed under Apache-v2: https://opensource.org/licenses/Apache-2.0
+//
+////////////////////////////////////////////////////////////////////////////////////////
+
+using System;
+using System.IO;
+using System.IO.Compression;
+using VerifyTests;
+
+namespace RelaxVersioner;
+
+public sealed class TestsSetUp
+{
+    public static readonly string BasePath =
+        Path.Combine("tests", $"{DateTime.Now:yyyyMMdd_HHmmss}");
+
+    static TestsSetUp()
+    {
+        VerifierSettings.DontScrubDateTimes();
+
+        if (!Directory.Exists(BasePath))
+        {
+            foreach (var path in Directory.EnumerateFiles(
+                "artifacts", "*.zip", SearchOption.AllDirectories))
+            {
+                var fileName = Path.GetFileNameWithoutExtension(path);
+                var targetBasePath = Path.Combine(BasePath, fileName);
+
+                try
+                {
+                    Directory.CreateDirectory(targetBasePath);
+                }
+                catch
+                {
+                }
+
+                ZipFile.ExtractToDirectory(path, targetBasePath);
+            }
+        }
+    }
+}

CenterCLR.RelaxVersioner.Core/Analyzer.cs

@@ -10,7 +10,6 @@
 #nullable enable
 
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -20,95 +19,140 @@ namespace RelaxVersioner;
 
 internal static class Analyzer
 {
-    private readonly struct TargetCommit
+    private readonly struct ScheduledCommit
     {
-        public readonly int StartDepth;
         public readonly Commit Commit;
+        public readonly Commit[] Parents;
 
-        public TargetCommit(int startDepth, Commit commit)
+        public ScheduledCommit(
+            Commit commit, Commit[] parents)
         {
-            this.StartDepth = startDepth;
             this.Commit = commit;
+            this.Parents = parents;
         }
 
-        public override string ToString() =>
-            $"StartDepth={this.StartDepth}, {this.Commit}";
+        public void Deconstruct(
+            out Commit commit, out Commit[] parents)
+        {
+            commit = this.Commit;
+            parents = this.Parents;
+        }
     }
 
-    public static async Task<Version> LookupVersionLabelAsync(
-        Branch targetBranch, CancellationToken ct)
+    private static Version IncrementLastVersionComponent(
+        Version version)
     {
-        var topCommit = await targetBranch.GetHeadCommitAsync(ct);
-
-        var reached = new HashSet<Commit>();
-        var scheduled = new Stack<TargetCommit>();
-        scheduled.Push(new TargetCommit(0, topCommit));
-
-        var mainDepth = 0;
+        if (version.Revision.HasValue)
+        {
+            return new(
+                version.Major,
+                version.Minor!.Value,
+                version.Build!.Value,
+                version.Revision.Value + 1);
+        }
+        else if (version.Build.HasValue)
+        {
+            return new(
+                version.Major,
+                version.Minor!.Value,
+                version.Build.Value + 1);
+        }
+        else if (version.Minor.HasValue)
+        {
+            return new(
+                version.Major,
+                version.Minor.Value + 1);
+        }
+        else
+        {
+            return new(
+                version.Major + 1);
+        }
+    }
 
-        while (scheduled.Count >= 1)
+    private static async Task<Version> LookupVersionLabelAsync(
+        Commit commit, Dictionary<Commit, Version> reached, CancellationToken ct)
+    {
+        var scheduledStack = new Stack<ScheduledCommit>();
+        var version = Version.Default;
+
+        // Trace back to the parent commit repeatedly with the following conditions:
+        // * If the commit has already been reached, get its version.
+        // * If there is a recognizable version string in the tag, get its version.
+        // * If the parent commit does not exist, get the default version.
+        // * If other than the above, push the commit on the stack for later processing in reverse order.
+        while (true)
         {
-            // Extract an analysis commit.
-            var entry = scheduled.Pop();
-
-            var currentCommit = entry.Commit;
-            var currentDepth = entry.StartDepth;
+            if (reached.TryGetValue(commit, out var v1))
+            {
+                version = v1;
+                break;
+            }
 
-            while (true)
+            var found = false;
+            foreach (var tag in commit.Tags)
             {
-                // Rejoined parent branch.
-                if (!reached.Add(currentCommit))
+                if (Version.TryParse(tag.Name, out var v2))
                 {
+                    version = v2;
+                    reached.Add(commit, version);
+                    found = true;
                     break;
                 }
+            }
+            if (found)
+            {
+                break;
+            }
 
-                // If found be applied tags at this commit:
-                if (currentCommit.Tags.Count >= 1)
-                {
-                    var filteredTags = currentCommit.Tags.
-                        Select(tag => Version.TryParse(tag.Name, out var version) ? (Version?)version : null).
-                        Where(version => version.HasValue).
-                        Select(version => Utilities.IncrementLastVersionComponent(version!.Value, currentDepth)).
-                        ToArray();
-
-                    // Found first valid tag.
-                    if (filteredTags.Length >= 1)
-                    {
-                        return filteredTags[0];
-                    }
-                }
-
-                // Found parents.
-                if (await currentCommit.GetParentCommitsAsync(ct) is { Length: >= 1 } parents)
-                {
-                    // Dive parent commit.
-                    currentDepth++;
+            var parents = await commit.GetParentCommitsAsync(ct);
+            if (parents.Length == 0)
+            {
+                reached.Add(commit, version);
+                break;
+            }
 
-                    // Next commit is a primary parent.
-                    currentCommit = parents[0];
+            scheduledStack.Push(new(commit, parents));
+            commit = parents[0];
+        }
 
-                    // Enqueue analysis scheduling if it has multiple parents.
-                    foreach (var parentCommit in parents.Skip(1))
-                    {
-                        scheduled.Push(new TargetCommit(currentDepth, parentCommit));
-                    }
-                }
-                // Bottom of branch.
-                else
+        // As long as there are commits stacked on the stack,
+        // retrieve a commit from the stack, and if there is more than one parent commit for that commit:
+        // * Recursively get versions from parent commits other than the primary one.
+        // * Compare the versions obtained and store the largest version.
+        // * Increment the version and make it the version of the current commit.
+        while (scheduledStack.Count >= 1)
+        {
+            var (c, pcs) = scheduledStack.Pop();
+            if (pcs.Length >= 2)
+            {
+                for (var index = 1; index < pcs.Length; index++)
                 {
-                    // Save depth if it's on boarding the main branch.
-                    if (mainDepth == 0)
+                    var v = await LookupVersionLabelAsync(pcs[index], reached, ct);
+                    if (v.CompareTo(version) > 0)
                     {
-                        mainDepth = currentDepth;
+                        version = v;
                     }
-
-                    // Goes to next scheduled commit.
-                    break;
                 }
             }
+
+            version = IncrementLastVersionComponent(version);
+            reached.Add(c, version);
         }
 
-        // Finally got the main branch depth.
-        return Utilities.IncrementLastVersionComponent(Version.Default, mainDepth);
+        return version;
+    }
+
+    public static Task<Version> LookupVersionLabelAsync(
+        Commit commit, CancellationToken ct) =>
+        LookupVersionLabelAsync(commit, new(), ct);
+
+    public static async Task<Version> LookupVersionLabelAsync(
+        Branch branch, CancellationToken ct)
+    {
+        // Get the head commit for the branch.
+        var headCommit = await branch.GetHeadCommitAsync(ct);
+
+        return await LookupVersionLabelAsync(headCommit, new(), ct);
     }
 }

CenterCLR.RelaxVersioner.Core/CenterCLR.RelaxVersioner.Core.csproj

@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitReader" Version="1.0.0" />
+    <PackageReference Include="GitReader" Version="1.1.0" />
     <PackageReference Include="NamingFormatter" Version="2.2.0" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="All" />
     <PackageReference Include="RelaxVersioner" Version="2.16.0" PrivateAssets="all" />

CenterCLR.RelaxVersioner.Core/Processor.cs

@@ -10,16 +10,16 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.Linq;
 using System.IO;
+using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 
 using GitReader;
 using GitReader.Structures;
 
 using RelaxVersioner.Writers;
-using System.Threading;
 
 namespace RelaxVersioner;
 
@@ -40,9 +40,6 @@ public sealed class ProcessorContext
 
 public sealed class Processor
 {
-    private static readonly Branch[] emptyBranches = Array.Empty<Branch>();
-    private static readonly Tag[] emptyTags = Array.Empty<Tag>();
-
     private readonly Logger logger;
     private readonly Dictionary<string, WriterBase> writers;
 

CenterCLR.RelaxVersioner.Core/Properties/AssemblyInfo.cs

@@ -0,0 +1,12 @@
+////////////////////////////////////////////////////////////////////////////////////////
+//
+// RelaxVersioner - Git tag/branch based, full-automatic version information inserter.
+// Copyright (c) Kouji Matsui (@kozy_kekyo, @kekyo@mastodon.cloud)
+//
+// Licensed under Apache-v2: https://opensource.org/licenses/Apache-2.0
+//
+////////////////////////////////////////////////////////////////////////////////////////
+
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("CenterCLR.RelaxVersioner.Core.Tests")]