Files
fn_registry/cmd/fn/run.go
T
egutierrez fa09ff9866 feat(infra): auto-commit con 4 cambios
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-06-03 16:44:23 +02:00

283 lines
8.6 KiB
Go

package main
import (
"bytes"
"database/sql"
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
_ "github.com/mattn/go-sqlite3"
"fn-registry/registry"
)
func cmdRun(args []string) {
if len(args) == 0 {
fmt.Fprintln(os.Stderr, "usage: fn run <id_or_name> [args...]")
os.Exit(1)
}
idOrName := args[0]
passArgs := args[1:]
registryRoot := root()
dbPath := filepath.Join(registryRoot, dbName)
db, err := registry.Open(dbPath)
if err != nil {
fmt.Fprintf(os.Stderr, "error: cannot open registry: %v\n", err)
os.Exit(1)
}
defer db.Close()
fn, err := resolveFunction(db, idOrName)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
if fn.FilePath == "" {
fmt.Fprintf(os.Stderr, "error: %s has no file_path in registry\n", fn.ID)
os.Exit(1)
}
absPath := filepath.Join(registryRoot, fn.FilePath)
if _, err := os.Stat(absPath); os.IsNotExist(err) {
fmt.Fprintf(os.Stderr, "error: file not found: %s\n", absPath)
os.Exit(1)
}
cmd, err := buildCommand(fn, db, registryRoot, absPath, passArgs)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
// When fn run executes a scoped `go test -run`, mirror its output into a
// buffer so we can detect a "no tests to run" result — which go test reports
// with exit 0 and would otherwise be a silent false-green (e.g. the extracted
// unit_tests names drifted from the code). See issue 0167.
guardGoTest := fn.Lang == "go" && isGoTestRun(cmd)
var outBuf bytes.Buffer
if guardGoTest {
cmd.Stdout = io.MultiWriter(os.Stdout, &outBuf)
cmd.Stderr = io.MultiWriter(os.Stderr, &outBuf)
} else {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
cmd.Stdin = os.Stdin
fmt.Fprintf(os.Stderr, "[fn run] %s (%s/%s) %s\n", fn.ID, fn.Lang, fn.Kind, strings.Join(passArgs, " "))
t0 := time.Now()
runErr := cmd.Run()
durationMs := time.Since(t0).Milliseconds()
// A scoped go test that matched zero tests is a false-green: treat as failure.
if guardGoTest && runErr == nil && strings.Contains(outBuf.String(), "no tests to run") {
fmt.Fprintf(os.Stderr, "\n[fn run] error: -run no encontro ningun test para %s — los nombres de test extraidos no existen en el codigo; corre 'fn index'\n", fn.ID)
logFnRunTelemetry(registryRoot, fn.ID, durationMs, false, "no_tests_run")
os.Exit(1)
}
exitCode := 0
errClass := ""
if runErr != nil {
if exitErr, ok := runErr.(*exec.ExitError); ok {
exitCode = exitErr.ExitCode()
errClass = fmt.Sprintf("exit_%d", exitCode)
} else {
exitCode = 1
errClass = "spawn_error"
}
}
logFnRunTelemetry(registryRoot, fn.ID, durationMs, exitCode == 0, errClass)
if runErr != nil {
if errClass == "spawn_error" {
fmt.Fprintf(os.Stderr, "error: %v\n", runErr)
}
os.Exit(exitCode)
}
}
// logFnRunTelemetry inserts a row into call_monitor.operations.db.calls if
// the database is present. No-op silently otherwise — never blocks the run.
func logFnRunTelemetry(registryRoot, functionID string, durationMs int64, success bool, errClass string) {
callDB := filepath.Join(registryRoot, "projects", "fn_monitoring", "apps", "call_monitor", "operations.db")
if _, err := os.Stat(callDB); err != nil {
return
}
conn, err := sql.Open("sqlite3", callDB+"?_journal_mode=WAL&_busy_timeout=100")
if err != nil {
return
}
defer conn.Close()
sessionID := os.Getenv("CLAUDE_SESSION_ID")
successInt := 0
if success {
successInt = 1
}
_, _ = conn.Exec(
`INSERT INTO calls (session_id, function_id, tool_used, args_hash, duration_ms, success, error_class, error_snippet, ts)
VALUES (?, ?, 'fn_run_cli', '', ?, ?, ?, '', CAST(strftime('%s','now') AS INTEGER))`,
sessionID, functionID, durationMs, successInt, errClass,
)
}
func resolveFunction(db *registry.DB, idOrName string) (*registry.Function, error) {
fn, err := db.GetFunction(idOrName)
if err == nil {
return fn, nil
}
fns, err := db.GetFunctionsByName(idOrName)
if err != nil {
return nil, fmt.Errorf("lookup failed: %w", err)
}
if len(fns) == 0 {
return nil, fmt.Errorf("function %q not found (tried as ID and name)", idOrName)
}
if len(fns) == 1 {
return &fns[0], nil
}
var b strings.Builder
fmt.Fprintf(&b, "ambiguous name %q — found %d matches:\n", idOrName, len(fns))
for _, f := range fns {
fmt.Fprintf(&b, " %s (%s/%s)\n", f.ID, f.Lang, f.Kind)
}
fmt.Fprintf(&b, "use the full ID to disambiguate")
return nil, fmt.Errorf("%s", b.String())
}
func buildCommand(fn *registry.Function, db *registry.DB, registryRoot, absPath string, args []string) (*exec.Cmd, error) {
switch fn.Lang {
case "go":
return buildGoCommand(fn, db, registryRoot, absPath, args)
case "py":
return buildPyRunnerCommand(fn, db, registryRoot, args)
case "bash":
return buildBashCommand(absPath, args)
case "ts":
return buildTsCommand(registryRoot, absPath, args)
case "cpp":
return buildCppCommand(fn, registryRoot, absPath, args)
default:
return nil, fmt.Errorf("unsupported lang %q for execution", fn.Lang)
}
}
func buildGoCommand(fn *registry.Function, db *registry.DB, registryRoot, absPath string, args []string) (*exec.Cmd, error) {
dir := filepath.Dir(absPath)
env := append(os.Environ(), "CGO_ENABLED=1")
// If directory has main.go → go run . (pipelines and standalone executables)
mainGo := filepath.Join(dir, "main.go")
if _, err := os.Stat(mainGo); err == nil {
cmdArgs := append([]string{"run", "."}, args...)
cmd := exec.Command("go", cmdArgs...)
cmd.Dir = dir
cmd.Env = env
return cmd, nil
}
// Library code with tests → go test, but scoped to THIS function's tests via
// -run, so a flaky test of a sibling function in the same package does not
// break `fn run`. Test names come from the indexer-extracted unit_tests table
// (parsed from the real .go, reliable), never the .md frontmatter (can drift).
// The cmdRun guard fails the run if -run matches zero tests, preventing a
// silent "no tests to run" false-green. See issue 0167.
if fn.Tested && fn.TestFilePath != "" {
testAbs := filepath.Join(registryRoot, fn.TestFilePath)
if _, err := os.Stat(testAbs); err == nil {
relPkg, _ := filepath.Rel(registryRoot, dir)
pkgPath := "./" + filepath.ToSlash(relPkg)
cmdArgs := []string{"test", "-v", "-count=1", "-tags", "fts5"}
if names := goTestNames(db, fn.ID); len(names) > 0 {
cmdArgs = append(cmdArgs, "-run", "^("+strings.Join(names, "|")+")$")
}
cmdArgs = append(cmdArgs, pkgPath)
cmdArgs = append(cmdArgs, args...)
cmd := exec.Command("go", cmdArgs...)
cmd.Dir = registryRoot
cmd.Env = env
return cmd, nil
}
}
// No tests: go vet (compilation check)
relPkg, _ := filepath.Rel(registryRoot, dir)
pkgPath := "./" + filepath.ToSlash(relPkg)
cmdArgs := []string{"vet", "-tags", "fts5", pkgPath}
cmd := exec.Command("go", cmdArgs...)
cmd.Dir = registryRoot
cmd.Env = env
fmt.Fprintf(os.Stderr, "[fn run] %s is library code without tests — running go vet\n", fn.ID)
return cmd, nil
}
// goTestNames returns the top-level Go test function names registered for fn in
// the indexer-extracted unit_tests table. These drive `go test -run` so that
// `fn run` only executes the function's own tests, isolating it from flaky tests
// of sibling functions in the same package. Returns nil if none are known (db is
// nil, lookup fails, or no tests extracted), in which case the caller falls back
// to running the whole package.
func goTestNames(db *registry.DB, functionID string) []string {
if db == nil {
return nil
}
uts, err := db.GetUnitTestsByFunction(functionID)
if err != nil {
return nil
}
var names []string
for _, ut := range uts {
if ut.Name != "" {
names = append(names, ut.Name)
}
}
return names
}
// isGoTestRun reports whether cmd is a `go test ... -run ...` invocation, used to
// enable the zero-tests-matched guard in cmdRun.
func isGoTestRun(cmd *exec.Cmd) bool {
var hasTest, hasRun bool
for _, a := range cmd.Args {
switch a {
case "test":
hasTest = true
case "-run":
hasRun = true
}
}
return hasTest && hasRun
}
func buildBashCommand(absPath string, args []string) (*exec.Cmd, error) {
cmdArgs := append([]string{absPath}, args...)
cmd := exec.Command("bash", cmdArgs...)
cmd.Dir = filepath.Dir(absPath)
return cmd, nil
}
func buildTsCommand(registryRoot, absPath string, args []string) (*exec.Cmd, error) {
tsxBin := filepath.Join(registryRoot, "frontend", "node_modules", ".bin", "tsx")
if _, err := os.Stat(tsxBin); os.IsNotExist(err) {
return nil, fmt.Errorf("tsx not found — run: cd frontend && pnpm add -D tsx")
}
cmdArgs := append([]string{absPath}, args...)
cmd := exec.Command(tsxBin, cmdArgs...)
cmd.Dir = filepath.Dir(absPath)
return cmd, nil
}