feat(worker): ClaudeHistoryReader distills session logs

2026-06-03 09:37:40 +02:00
parent 4cb7ad8dfa
commit bec87b3d6f
2 changed files with 209 additions and 0 deletions
--- a/tests/ClaudeDo.Worker.Tests/Report/ClaudeHistoryReaderTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/Report/ClaudeHistoryReaderTests.cs
@@ -0,0 +1,78 @@
+using ClaudeDo.Worker.Report;
+
+namespace ClaudeDo.Worker.Tests.Report;
+
+public class ClaudeHistoryReaderTests : IDisposable
+{
+    private readonly string _root;
+    public ClaudeHistoryReaderTests()
+    {
+        _root = Path.Combine(Path.GetTempPath(), $"cdh_{Guid.NewGuid():N}");
+        Directory.CreateDirectory(_root);
+    }
+    public void Dispose() { try { Directory.Delete(_root, true); } catch { } }
+
+    private void WriteSession(string projectDir, string file, params string[] lines)
+    {
+        var dir = Path.Combine(_root, projectDir);
+        Directory.CreateDirectory(dir);
+        File.WriteAllLines(Path.Combine(dir, file), lines);
+    }
+
+    private static string UserLine(string cwd, string ts, string text) =>
+        $$$"""{"type":"user","cwd":{{{Json(cwd)}}},"timestamp":"{{{ts}}}","message":{"role":"user","content":[{"type":"text","text":{{{Json(text)}}}}]}}""";
+
+    private static string AssistantLine(string cwd, string ts, string text) =>
+        $$$"""{"type":"assistant","cwd":{{{Json(cwd)}}},"timestamp":"{{{ts}}}","message":{"role":"assistant","content":[{"type":"text","text":{{{Json(text)}}}}]}}""";
+
+    private static string Json(string s) => System.Text.Json.JsonSerializer.Serialize(s);
+
+    [Fact]
+    public async Task Extracts_Prompts_And_Last_Assistant_Summary_GroupedByRepoAndDay()
+    {
+        WriteSession("proj", "s1.jsonl",
+            UserLine(@"C:\Dev\Repos\App", "2026-06-01T08:00:00Z", "Add login"),
+            AssistantLine(@"C:\Dev\Repos\App", "2026-06-01T08:05:00Z", "first summary"),
+            AssistantLine(@"C:\Dev\Repos\App", "2026-06-01T08:30:00Z", "final summary"));
+
+        var reader = new ClaudeHistoryReader(_root);
+        var result = await reader.ReadAsync(new DateOnly(2026, 6, 1), new DateOnly(2026, 6, 3),
+            Array.Empty<string>());
+
+        var repo = Assert.Single(result);
+        Assert.Equal(@"C:\Dev\Repos\App", repo.RepoPath);
+        var day = Assert.Single(repo.Days);
+        Assert.Equal(new[] { "Add login" }, day.Prompts);
+        Assert.Equal(new[] { "final summary" }, day.Summaries);
+    }
+
+    [Fact]
+    public async Task Drops_Sessions_Under_Excluded_Prefix_CaseInsensitive()
+    {
+        WriteSession("priv", "s.jsonl",
+            UserLine(@"C:\Private\Secret", "2026-06-01T08:00:00Z", "private work"));
+
+        var reader = new ClaudeHistoryReader(_root);
+        var result = await reader.ReadAsync(new DateOnly(2026, 6, 1), new DateOnly(2026, 6, 3),
+            new[] { @"c:\private" });
+
+        Assert.Empty(result);
+    }
+
+    [Fact]
+    public async Task Filters_By_Date_Window_And_Skips_Noise_And_Malformed()
+    {
+        WriteSession("proj", "s.jsonl",
+            "this is not json",
+            UserLine(@"C:\Dev\App", "2026-05-01T08:00:00Z", "too old"),
+            UserLine(@"C:\Dev\App", "2026-06-02T08:00:00Z", "in range"),
+            UserLine(@"C:\Dev\App", "2026-06-02T09:00:00Z", "noise <system-reminder> blah"));
+
+        var reader = new ClaudeHistoryReader(_root);
+        var result = await reader.ReadAsync(new DateOnly(2026, 6, 1), new DateOnly(2026, 6, 3),
+            Array.Empty<string>());
+
+        var day = Assert.Single(Assert.Single(result).Days);
+        Assert.Equal(new[] { "in range" }, day.Prompts);
+    }
+}