~bigbes/lethe

ref: 27c47142dda459f4dd552a8ceba4934eca81ff6b lethe/internal/collector/ingest/runner_test.go -rw-r--r-- 6.6 KiB
27c47142 — Eugene Blikh collector: add polling source runner 24 days ago
                                                                                
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package ingest

import (
	"context"
	"io"
	"net/http"
	"net/http/httptest"
	"path/filepath"
	"sync"
	"testing"
	"time"

	"sourcecraft.dev/bigbes/lethe/internal/collector/config"
	"sourcecraft.dev/bigbes/lethe/internal/collector/parser"
	"sourcecraft.dev/bigbes/lethe/internal/shared/wire"
)

func TestRunOnce_AllAcceptedPersistsNewOffsetAndDoesNotEnqueueOutbox(t *testing.T) {
	ctx := context.Background()
	store := openTestStore(t, ctx)
	source := testSource(t, "claude-code", 10, 4096)
	file := filepath.Join(source.Path, "one.jsonl")
	p := newFakeParser("claude-code", []parser.SourceFile{{Path: file}}, map[string]parseResult{
		file: {events: []wire.TurnEvent{turnEvent(100, "a"), turnEvent(200, "b")}, newOffset: 300},
	})
	sender := acceptingSender(t, []Result{{Accepted: 2}})

	err := RunOnce(ctx, testConfig(), source, p, store, sender)
	if err != nil {
		t.Fatalf("RunOnce: %v", err)
	}

	assertOffset(t, ctx, store, "claude-code", file, 300)
	assertOutboxCount(t, ctx, store, 0)
}

func TestRunOnce_PartialAcceptedPersistsFirstUnacceptedEventOffset(t *testing.T) {
	ctx := context.Background()
	store := openTestStore(t, ctx)
	source := testSource(t, "claude-code", 10, 4096)
	file := filepath.Join(source.Path, "one.jsonl")
	p := newFakeParser("claude-code", []parser.SourceFile{{Path: file}}, map[string]parseResult{
		file: {events: []wire.TurnEvent{turnEvent(100, "a"), turnEvent(200, "b"), turnEvent(300, "c")}, newOffset: 400},
	})
	sender := acceptingSender(t, []Result{{Accepted: 2, Errors: []LineError{{Line: 3, Err: "bad"}}}})

	err := RunOnce(ctx, testConfig(), source, p, store, sender)
	if err != nil {
		t.Fatalf("RunOnce: %v", err)
	}

	assertOffset(t, ctx, store, "claude-code", file, 300)
	assertOutboxCount(t, ctx, store, 0)
}

func TestRunOnce_ZeroAcceptedDoesNotPersistOffset(t *testing.T) {
	ctx := context.Background()
	store := openTestStore(t, ctx)
	source := testSource(t, "claude-code", 10, 4096)
	file := filepath.Join(source.Path, "one.jsonl")
	p := newFakeParser("claude-code", []parser.SourceFile{{Path: file}}, map[string]parseResult{
		file: {events: []wire.TurnEvent{turnEvent(100, "a"), turnEvent(200, "b")}, newOffset: 300},
	})
	sender := acceptingSender(t, []Result{{Accepted: 0, Errors: []LineError{{Line: 1, Err: "bad"}}}})

	err := RunOnce(ctx, testConfig(), source, p, store, sender)
	if err != nil {
		t.Fatalf("RunOnce: %v", err)
	}

	assertOffset(t, ctx, store, "claude-code", file, 0)
	assertOutboxCount(t, ctx, store, 0)
}

func TestRunOnce_HardErrorEnqueuesUnsentBatchAndDoesNotAdvanceOffset(t *testing.T) {
	ctx := context.Background()
	store := openTestStore(t, ctx)
	source := testSource(t, "claude-code", 10, 4096)
	file := filepath.Join(source.Path, "one.jsonl")
	events := []wire.TurnEvent{turnEvent(100, "a"), turnEvent(200, "b")}
	p := newFakeParser("claude-code", []parser.SourceFile{{Path: file}}, map[string]parseResult{
		file: {events: events, newOffset: 300},
	})
	sender := failingSender(t)

	err := RunOnce(ctx, testConfig(), source, p, store, sender)
	if err == nil {
		t.Fatal("expected RunOnce error on hard POST failure")
	}

	assertOffset(t, ctx, store, "claude-code", file, 0)
	rows, err := store.Oldest(ctx, 10)
	if err != nil {
		t.Fatalf("Oldest: %v", err)
	}
	if len(rows) != 1 {
		t.Fatalf("len(rows) = %d, want 1", len(rows))
	}
	wantPayload, err := EncodeNDJSON(events)
	if err != nil {
		t.Fatalf("EncodeNDJSON: %v", err)
	}
	if string(rows[0].Payload) != string(wantPayload) {
		t.Errorf("payload = %q, want %q", string(rows[0].Payload), string(wantPayload))
	}
}

func TestRunOnce_ContinuesToOtherFilesWhenOneFileFails(t *testing.T) {
	ctx := context.Background()
	store := openTestStore(t, ctx)
	source := testSource(t, "claude-code", 10, 4096)
	badFile := filepath.Join(source.Path, "bad.jsonl")
	goodFile := filepath.Join(source.Path, "good.jsonl")
	p := newFakeParser("claude-code", []parser.SourceFile{{Path: badFile}, {Path: goodFile}}, map[string]parseResult{
		badFile:  {err: errParseBoom},
		goodFile: {events: []wire.TurnEvent{turnEvent(100, "ok")}, newOffset: 200},
	})
	sender := acceptingSender(t, []Result{{Accepted: 1}})

	err := RunOnce(ctx, testConfig(), source, p, store, sender)
	if err == nil {
		t.Fatal("expected RunOnce to return collected parse error")
	}

	assertOffset(t, ctx, store, "claude-code", badFile, 0)
	assertOffset(t, ctx, store, "claude-code", goodFile, 200)
}

func TestRunDaemon_ExitsWhenContextCanceled(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	store := openTestStore(t, context.Background())
	source := testSource(t, "claude-code", 10, 4096)
	source.PollInterval = time.Hour
	p := newFakeParser("claude-code", nil, nil)
	sender := acceptingSender(t, nil)
	cfg := testConfig()
	cfg.Sources = []config.SourceConfig{source}

	done := make(chan error, 1)
	go func() {
		done <- RunDaemon(ctx, cfg, map[string]parser.Parser{"claude-code": p}, store, sender)
	}()

	cancel()
	select {
	case err := <-done:
		if err != nil {
			t.Fatalf("RunDaemon: %v", err)
		}
	case <-time.After(2 * time.Second):
		t.Fatal("RunDaemon did not exit after context cancellation")
	}
}

type parseResult struct {
	events    []wire.TurnEvent
	newOffset int64
	err       error
}

type fakeParser struct {
	tool    string
	files   []parser.SourceFile
	results map[string]parseResult
}

func newFakeParser(tool string, files []parser.SourceFile, results map[string]parseResult) *fakeParser {
	return &fakeParser{tool: tool, files: files, results: results}
}

func (p *fakeParser) Tool() string { return p.tool }

func (p *fakeParser) Discover(root string) ([]parser.SourceFile, error) { return p.files, nil }

func (p *fakeParser) Parse(path string, since int64) ([]wire.TurnEvent, int64, error) {
	res := p.results[path]
	if res.err != nil {
		return nil, since, res.err
	}
	return res.events, res.newOffset, nil
}

type roundTripFunc func(*http.Request) (*http.Response, error)

func (f roundTripFunc) RoundTrip(r *http.Request) (*http.Response, error) { return f(r) }

func acceptingSender(t *testing.T, results []Result) *Sender {
	t.Helper()
	var mu sync.Mutex
	idx := 0
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		_, _ = io.ReadAll(r.Body)
		mu.Lock()
		defer mu.Unlock()
		result := Result{Accepted: 0}
		if idx < len(results) {
			result = results[idx]
			idx++
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(resultJSON(result)))
	}))
	t.Cleanup(ts.Close)
	return NewSender(ts.URL, ts.Client())
}

func failingSender(t *testing.T) *Sender {
	t.Helper()
	client := &http.Client{Transport: roundTripFunc(func(*http.Request) (*http.Response, error) {
		return nil, errPostBoom
	})}
	return NewSender("http://127.0.0.1", client)
}