feat(ingestion): add background file watcher for brain/raw/

Polls brain/raw/ on a configurable ticker, derives human-readable source
names from filenames, runs the pipeline, and moves files to
processed/YYYY-MM-DD/ on success or failed/ on error with a log.md entry.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Mathias Bergqvist
2026-04-22 22:54:03 +02:00
parent 04fefe8e9c
commit 78531bb238
2 changed files with 384 additions and 0 deletions

View File

@@ -0,0 +1,219 @@
// ingestion/internal/watcher/watcher_test.go
package watcher
import (
"context"
"encoding/json"
"fmt"
"os"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/mathiasbq/hyperguild/ingestion/internal/pipeline"
"github.com/mathiasbq/hyperguild/ingestion/internal/wiki"
)
// successComplete returns a valid JSON-encoded page array for any call.
func successComplete(page wiki.Page) pipeline.CompleteFunc {
return func(ctx context.Context, system, user string) (string, error) {
b, err := json.Marshal([]wiki.Page{page})
if err != nil {
return "", err
}
return string(b), nil
}
}
// errorComplete always returns an error simulating an LLM failure.
func errorComplete(_ context.Context, _, _ string) (string, error) {
return "", fmt.Errorf("LLM unavailable")
}
func setupBrainDir(t *testing.T) string {
t.Helper()
brainDir := t.TempDir()
for _, sub := range []string{"wiki/concepts", "wiki/entities", "wiki/sources", "raw"} {
require.NoError(t, os.MkdirAll(filepath.Join(brainDir, sub), 0o755))
}
return brainDir
}
func TestStart_ProcessesFile(t *testing.T) {
brainDir := setupBrainDir(t)
// Place a .md file in raw/.
rawFile := filepath.Join(brainDir, "raw", "shape-up-book.md")
require.NoError(t, os.WriteFile(rawFile, []byte("Content about Shape Up."), 0o644))
date := time.Now().UTC().Format("2006-01-02")
wikiPage := wiki.Page{
Path: "wiki/sources/shape-up-book.md",
Content: "---\ntitle: Shape Up Book\ntype: article\ndomain: product-management\ndate_ingested: " + date + "\nlast_updated: " + date + "\naliases:\n - Shape Up Book\n---\n\n## Summary\n\nA book about Shape Up.\n",
}
cfg := Config{
BrainDir: brainDir,
Interval: 50 * time.Millisecond,
Pipeline: pipeline.Config{
Complete: successComplete(wikiPage),
ChunkSize: 0,
Schema: "# Schema\nThree page types.",
},
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
Start(ctx, cfg)
// Poll until the file is moved to processed/.
processedPath := filepath.Join(brainDir, "raw", "processed", date, "shape-up-book.md")
var found bool
deadline := time.Now().Add(2 * time.Second)
for time.Now().Before(deadline) {
if _, err := os.Stat(processedPath); err == nil {
found = true
break
}
time.Sleep(20 * time.Millisecond)
}
require.True(t, found, "file should be moved to processed/")
// Original file should be gone.
_, err := os.Stat(rawFile)
assert.True(t, os.IsNotExist(err), "original file should be gone from raw/")
// Wiki page should exist.
wikiPath := filepath.Join(brainDir, "wiki", "sources", "shape-up-book.md")
_, err = os.Stat(wikiPath)
assert.NoError(t, err, "wiki page should be written")
// log.md should contain an ingest record.
logContent, err := os.ReadFile(filepath.Join(brainDir, "log.md"))
require.NoError(t, err)
assert.Contains(t, string(logContent), "— ingest")
}
func TestStart_MovesToFailedOnError(t *testing.T) {
brainDir := setupBrainDir(t)
rawFile := filepath.Join(brainDir, "raw", "bad-file.md")
require.NoError(t, os.WriteFile(rawFile, []byte("Some content."), 0o644))
cfg := Config{
BrainDir: brainDir,
Interval: 50 * time.Millisecond,
Pipeline: pipeline.Config{
Complete: errorComplete,
ChunkSize: 0,
Schema: "# Schema\nThree page types.",
},
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
Start(ctx, cfg)
// Poll until the file is moved to failed/.
failedPath := filepath.Join(brainDir, "raw", "failed", "bad-file.md")
var found bool
deadline := time.Now().Add(2 * time.Second)
for time.Now().Before(deadline) {
if _, err := os.Stat(failedPath); err == nil {
found = true
break
}
time.Sleep(20 * time.Millisecond)
}
require.True(t, found, "file should be moved to failed/")
// Original file should be gone from raw/.
_, err := os.Stat(rawFile)
assert.True(t, os.IsNotExist(err), "original file should be gone from raw/")
// log.md should contain a watcher error entry.
logContent, err := os.ReadFile(filepath.Join(brainDir, "log.md"))
require.NoError(t, err)
assert.Contains(t, string(logContent), "— watcher error")
assert.Contains(t, string(logContent), "bad-file.md")
}
func TestDeriveSource(t *testing.T) {
tests := []struct {
filename string
want string
}{
{"shape-up-book.md", "Shape Up Book"},
{"raft-consensus.txt", "Raft Consensus"},
{"my-note.md", "My Note"},
{"single.md", "Single"},
{"no-extension", "No Extension"},
}
for _, tc := range tests {
t.Run(tc.filename, func(t *testing.T) {
got := deriveSource(tc.filename)
assert.Equal(t, tc.want, got)
})
}
}
func TestProcessDir_SkipsSubdirs(t *testing.T) {
brainDir := setupBrainDir(t)
// Create processed/ and failed/ subdirs with files inside.
for _, sub := range []string{"processed/2026-04-22", "failed"} {
require.NoError(t, os.MkdirAll(filepath.Join(brainDir, "raw", sub), 0o755))
}
processedFile := filepath.Join(brainDir, "raw", "processed", "2026-04-22", "old-file.md")
failedFile := filepath.Join(brainDir, "raw", "failed", "broken-file.md")
require.NoError(t, os.WriteFile(processedFile, []byte("old"), 0o644))
require.NoError(t, os.WriteFile(failedFile, []byte("broken"), 0o644))
// Also place a valid file in raw/ root that should be processed.
validFile := filepath.Join(brainDir, "raw", "valid.md")
require.NoError(t, os.WriteFile(validFile, []byte("valid content"), 0o644))
date := time.Now().UTC().Format("2006-01-02")
// Track which sources were passed to Complete.
var processedSources []string
completeFn := func(ctx context.Context, system, user string) (string, error) {
// Record that this was called; return a minimal valid page.
page := wiki.Page{
Path: "wiki/sources/valid.md",
Content: "---\ntitle: Valid\n---\n\n## Summary\n\nValid.\n",
}
b, _ := json.Marshal([]wiki.Page{page})
processedSources = append(processedSources, "called")
return string(b), nil
}
cfg := Config{
BrainDir: brainDir,
Interval: time.Hour, // not used; we call processDir directly
Pipeline: pipeline.Config{
Complete: completeFn,
ChunkSize: 0,
Schema: "# Schema\nThree page types.",
},
}
errs := processDir(context.Background(), cfg, date)
assert.Empty(t, errs, "no errors expected")
// Complete should have been called exactly once (for valid.md, not for files in subdirs).
assert.Len(t, processedSources, 1, "only the file in raw/ root should be processed")
// Files in processed/ and failed/ must remain untouched.
_, err := os.Stat(processedFile)
assert.NoError(t, err, "processed subdir file should be untouched")
_, err = os.Stat(failedFile)
assert.NoError(t, err, "failed subdir file should be untouched")
}