- Docker: admin:token:create and list --json, -q keeps the token - flare generate and test-push failures print once and are Reported - summer dev starts serve with the forwarded globals, reports rebuilds, failures and restarts, and stops serve with SIGTERM returning nil - delegates carry two examples and say the global options pass through
623 lines
18 KiB
Go
623 lines
18 KiB
Go
package dev
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"sync"
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"sync/atomic"
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"syscall"
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"testing"
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"time"
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"git.golem15.com/golem15/summercms/internal/build"
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"git.golem15.com/golem15/summercms/modules/bonfire"
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)
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type safeBuffer struct {
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mu sync.Mutex
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b bytes.Buffer
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}
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func (s *safeBuffer) Write(p []byte) (int, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.b.Write(p)
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}
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func (s *safeBuffer) String() string {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.b.String()
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}
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// testOutput is a non-terminal bonfire console writing to w.
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func testOutput(w io.Writer) bonfire.Output {
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return bonfire.NewOutput(strings.NewReader(""), w, w)
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}
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func TestWatchRebuildsOnSourceEdit(t *testing.T) {
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dir := t.TempDir()
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writeWatchApp(t, dir)
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var out safeBuffer
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var builds atomic.Int32
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var starts atomic.Int32
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ctx, cancel := context.WithCancel(t.Context())
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defer cancel()
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opts := Options{
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Debounce: 40 * time.Millisecond,
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Build: func(ctx context.Context, appDir string, w io.Writer) error {
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builds.Add(1)
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fmt.Fprintln(w, "built hello in 1ms")
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return nil
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},
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Start: func(ctx context.Context, binPath string, args []string, stdout, stderr io.Writer) (*exec.Cmd, error) {
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if got := strings.Join(args, " "); got != "serve -v --env staging" {
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return nil, fmt.Errorf("start args = %q, want serve and the forwarded globals", got)
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}
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starts.Add(1)
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cmd := exec.Command("sleep", "30")
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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return cmd, nil
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},
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}
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done := make(chan error, 1)
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go func() { done <- watch(ctx, dir, testOutput(&out), []string{"-v", "--env", "staging"}, opts) }()
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waitUntil(t, "initial start", func() bool { return starts.Load() == 1 })
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if builds.Load() != 1 {
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t.Fatalf("initial builds = %d", builds.Load())
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}
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if err := os.WriteFile(filepath.Join(dir, "plugin.go"), []byte("package p\n// edited\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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waitUntil(t, "restart after edit", func() bool { return starts.Load() == 2 })
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if builds.Load() != 2 {
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t.Fatalf("builds after edit = %d", builds.Load())
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}
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if err := os.WriteFile(filepath.Join(dir, "plugins.gen.go"), []byte("package main\n// generated\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(dir, "main.go"), []byte("package main\n// generated\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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time.Sleep(200 * time.Millisecond)
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if starts.Load() != 2 || builds.Load() != 2 {
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t.Fatalf("generated files triggered rebuild starts=%d builds=%d", starts.Load(), builds.Load())
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}
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got := out.String()
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if strings.Count(got, "Rebuilt in ") != 2 {
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t.Fatalf("want 2 rebuild latency lines, got %q", got)
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}
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cancel()
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select {
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case err := <-done:
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if err != nil {
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t.Fatalf("watch returned %v after Ctrl+C, want nil (exit 0)", err)
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}
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if !strings.Contains(out.String(), "Dev report") || !strings.Contains(out.String(), "Restarts 1") {
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t.Fatalf("missing dev report:\n%s", out.String())
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}
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case <-time.After(3 * time.Second):
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t.Fatal("watch did not exit on cancel")
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}
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}
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func TestWatchKeepsChildOnBuildFailure(t *testing.T) {
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dir := t.TempDir()
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writeWatchApp(t, dir)
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var out safeBuffer
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var builds atomic.Int32
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var starts atomic.Int32
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var pid atomic.Int32
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ctx, cancel := context.WithCancel(t.Context())
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defer cancel()
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opts := Options{
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Debounce: 40 * time.Millisecond,
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Build: func(ctx context.Context, appDir string, w io.Writer) error {
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n := builds.Add(1)
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if n >= 2 {
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return fmt.Errorf("compile failed")
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}
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return nil
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},
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Start: func(ctx context.Context, binPath string, args []string, stdout, stderr io.Writer) (*exec.Cmd, error) {
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starts.Add(1)
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cmd := exec.Command("sleep", "30")
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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pid.Store(int32(cmd.Process.Pid))
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return cmd, nil
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},
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}
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done := make(chan error, 1)
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go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
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waitUntil(t, "initial start", func() bool { return starts.Load() == 1 })
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if err := os.WriteFile(filepath.Join(dir, "plugin.go"), []byte("package p\n// bad\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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waitUntil(t, "failed rebuild", func() bool { return builds.Load() >= 2 })
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time.Sleep(80 * time.Millisecond)
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if starts.Load() != 1 {
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t.Fatalf("build failure restarted child: starts=%d", starts.Load())
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}
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if !strings.Contains(out.String(), "compile failed") {
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t.Fatalf("missing build error: %s", out.String())
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}
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proc, err := os.FindProcess(int(pid.Load()))
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if err != nil {
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t.Fatal(err)
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}
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if err := proc.Signal(syscall.Signal(0)); err != nil {
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t.Fatalf("child was reaped after failed build: %v", err)
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}
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cancel()
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select {
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case <-done:
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case <-time.After(3 * time.Second):
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t.Fatal("watch did not exit")
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}
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deadline := time.Now().Add(2 * time.Second)
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for time.Now().Before(deadline) {
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if err := proc.Signal(syscall.Signal(0)); err != nil {
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return
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}
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time.Sleep(20 * time.Millisecond)
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}
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t.Fatal("child still running after cancel")
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}
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func TestWatchDebouncesRapidEdits(t *testing.T) {
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dir := t.TempDir()
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writeWatchApp(t, dir)
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var out safeBuffer
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var builds atomic.Int32
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ctx, cancel := context.WithCancel(t.Context())
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defer cancel()
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opts := Options{
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Debounce: 80 * time.Millisecond,
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Build: func(ctx context.Context, appDir string, w io.Writer) error {
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builds.Add(1)
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return nil
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},
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Start: func(ctx context.Context, binPath string, args []string, stdout, stderr io.Writer) (*exec.Cmd, error) {
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cmd := exec.Command("sleep", "30")
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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return cmd, nil
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},
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}
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done := make(chan error, 1)
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go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
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waitUntil(t, "initial build", func() bool { return builds.Load() == 1 })
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for i := 0; i < 5; i++ {
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if err := os.WriteFile(filepath.Join(dir, "plugin.go"), []byte(fmt.Sprintf("package p\n// %d\n", i)), 0o644); err != nil {
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t.Fatal(err)
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}
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time.Sleep(10 * time.Millisecond)
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}
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waitUntil(t, "debounced rebuild", func() bool { return builds.Load() >= 2 })
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time.Sleep(150 * time.Millisecond)
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if builds.Load() != 2 {
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t.Fatalf("rapid edits should coalesce, builds=%d", builds.Load())
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}
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cancel()
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select {
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case <-done:
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case <-time.After(3 * time.Second):
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t.Fatal("watch did not exit")
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}
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}
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func TestWatchIgnoresBinAndTmp(t *testing.T) {
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dir := t.TempDir()
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writeWatchApp(t, dir)
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if err := os.MkdirAll(filepath.Join(dir, "bin"), 0o755); err != nil {
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t.Fatal(err)
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}
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if err := os.MkdirAll(filepath.Join(dir, "tmp"), 0o755); err != nil {
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t.Fatal(err)
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}
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var out safeBuffer
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var builds atomic.Int32
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ctx, cancel := context.WithCancel(t.Context())
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defer cancel()
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opts := Options{
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Debounce: 40 * time.Millisecond,
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Build: func(ctx context.Context, appDir string, w io.Writer) error {
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builds.Add(1)
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return nil
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},
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Start: func(ctx context.Context, binPath string, args []string, stdout, stderr io.Writer) (*exec.Cmd, error) {
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cmd := exec.Command("sleep", "30")
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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return cmd, nil
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},
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}
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done := make(chan error, 1)
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go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
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waitUntil(t, "initial build", func() bool { return builds.Load() == 1 })
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if err := os.WriteFile(filepath.Join(dir, "bin", "hello.go"), []byte("package main\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(dir, "tmp", "scratch.go"), []byte("package tmp\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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time.Sleep(200 * time.Millisecond)
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if builds.Load() != 1 {
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t.Fatalf("bin/tmp edits triggered rebuild: builds=%d", builds.Load())
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}
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cancel()
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select {
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case <-done:
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case <-time.After(3 * time.Second):
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t.Fatal("watch did not exit")
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}
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}
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func TestWatchHelloWorkspaceRebuildLatency(t *testing.T) {
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dir := copyHelloApp(t)
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var out safeBuffer
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var builds atomic.Int32
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var starts atomic.Int32
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ctx, cancel := context.WithCancel(t.Context())
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defer cancel()
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opts := Options{
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Debounce: 80 * time.Millisecond,
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Build: func(ctx context.Context, appDir string, w io.Writer) error {
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builds.Add(1)
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if err := build.App(ctx, appDir, w); err != nil {
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return err
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}
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return nil
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},
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Start: func(ctx context.Context, binPath string, args []string, stdout, stderr io.Writer) (*exec.Cmd, error) {
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starts.Add(1)
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cmd := exec.Command("sleep", "30")
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if err := cmd.Start(); err != nil {
|
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return nil, err
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}
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return cmd, nil
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},
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}
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done := make(chan error, 1)
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go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
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waitUntilTimeout(t, 60*time.Second, "initial real rebuild", func() bool { return starts.Load() == 1 })
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if builds.Load() != 1 {
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t.Fatalf("initial builds = %d", builds.Load())
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}
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if !rebuildLinePresent(out.String()) {
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t.Fatalf("missing rebuild latency line after initial build:\n%s", out.String())
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}
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plugin := filepath.Join(dir, "plugins", "greeter", "plugin.go")
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src, err := os.ReadFile(plugin)
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if err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(plugin, append(src, []byte("\n// watch-edit\n")...), 0o644); err != nil {
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t.Fatal(err)
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}
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waitUntilTimeout(t, 60*time.Second, "rebuild after source edit", func() bool { return starts.Load() == 2 })
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got := out.String()
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if strings.Count(got, "Rebuilt in ") < 2 {
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t.Fatalf("want rebuild latency lines after restart, got %q", got)
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}
|
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if !rebuildLinePresent(got) {
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t.Fatalf("rebuild line missing duration:\n%s", got)
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}
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|
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if err := os.WriteFile(filepath.Join(dir, "main.go"), []byte("package main\n// generated\n"), 0o644); err != nil {
|
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t.Fatal(err)
|
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}
|
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if err := os.WriteFile(filepath.Join(dir, "plugins.gen.go"), []byte("package main\n// generated\n"), 0o644); err != nil {
|
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t.Fatal(err)
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}
|
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time.Sleep(400 * time.Millisecond)
|
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if starts.Load() != 2 || builds.Load() != 2 {
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t.Fatalf("generated-file edits looped: starts=%d builds=%d", starts.Load(), builds.Load())
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}
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cancel()
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select {
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case err := <-done:
|
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if err != nil && err != context.Canceled {
|
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t.Fatalf("watch exit: %v", err)
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}
|
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case <-time.After(5 * time.Second):
|
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t.Fatal("watch did not exit on cancel")
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}
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}
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func rebuildLinePresent(s string) bool {
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for _, line := range strings.Split(s, "\n") {
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line = strings.TrimSpace(line)
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if _, d, ok := strings.Cut(line, "Rebuilt in "); ok && strings.TrimSpace(d) != "" {
|
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return true
|
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}
|
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}
|
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return false
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}
|
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|
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func waitUntilTimeout(t *testing.T, d time.Duration, name string, ok func() bool) {
|
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t.Helper()
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deadline := time.Now().Add(d)
|
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for time.Now().Before(deadline) {
|
|
if ok() {
|
|
return
|
|
}
|
|
time.Sleep(25 * time.Millisecond)
|
|
}
|
|
t.Fatalf("timed out waiting for %s", name)
|
|
}
|
|
|
|
func copyHelloApp(t *testing.T) string {
|
|
t.Helper()
|
|
src, err := filepath.Abs(filepath.Join("..", "..", "examples", "hello"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
framework, err := filepath.Abs(filepath.Join("..", ".."))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
dst := t.TempDir()
|
|
if err := filepath.WalkDir(src, func(path string, d os.DirEntry, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
rel, err := filepath.Rel(src, path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if rel == "bin" || strings.HasPrefix(rel, "bin"+string(os.PathSeparator)) {
|
|
if d.IsDir() {
|
|
return filepath.SkipDir
|
|
}
|
|
return nil
|
|
}
|
|
target := filepath.Join(dst, rel)
|
|
if d.IsDir() {
|
|
return os.MkdirAll(target, 0o755)
|
|
}
|
|
data, err := os.ReadFile(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if filepath.Base(path) == "go.mod" {
|
|
data = rewriteFrameworkReplace(data, framework)
|
|
}
|
|
if err := os.MkdirAll(filepath.Dir(target), 0o755); err != nil {
|
|
return err
|
|
}
|
|
return os.WriteFile(target, data, 0o644)
|
|
}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return dst
|
|
}
|
|
|
|
func rewriteFrameworkReplace(data []byte, framework string) []byte {
|
|
const module = "git.golem15.com/golem15/summercms"
|
|
lines := strings.Split(string(data), "\n")
|
|
for i, line := range lines {
|
|
trimmed := strings.TrimSpace(line)
|
|
switch {
|
|
case strings.HasPrefix(trimmed, "replace "+module+" =>"):
|
|
indent := line[:len(line)-len(strings.TrimLeft(line, " \t"))]
|
|
lines[i] = indent + "replace " + module + " => " + framework
|
|
case strings.HasPrefix(trimmed, module+" =>"):
|
|
indent := line[:len(line)-len(strings.TrimLeft(line, " \t"))]
|
|
lines[i] = indent + module + " => " + framework
|
|
}
|
|
}
|
|
return []byte(strings.Join(lines, "\n"))
|
|
}
|
|
|
|
func writeWatchApp(t *testing.T, dir string) {
|
|
t.Helper()
|
|
write(t, filepath.Join(dir, "summer.yaml"), "module: example.com/app\nbinary: hello\nplugins:\n - id: a.b\n module: example.com/app/plugins/demo\n")
|
|
write(t, filepath.Join(dir, "plugin.go"), "package p\n")
|
|
write(t, filepath.Join(dir, "main.go"), "package main\n")
|
|
write(t, filepath.Join(dir, "plugins.gen.go"), "package main\n")
|
|
}
|
|
|
|
func write(t *testing.T, path, body string) {
|
|
t.Helper()
|
|
if err := os.WriteFile(path, []byte(body), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func waitUntil(t *testing.T, name string, ok func() bool) {
|
|
t.Helper()
|
|
deadline := time.Now().Add(3 * time.Second)
|
|
for time.Now().Before(deadline) {
|
|
if ok() {
|
|
return
|
|
}
|
|
time.Sleep(15 * time.Millisecond)
|
|
}
|
|
t.Fatalf("timed out waiting for %s", name)
|
|
}
|
|
|
|
// fakeServe writes an executable that records its arguments in
|
|
// $DEV_ARGS_FILE and, on SIGTERM, writes "term" to $DEV_TERM_FILE and exits
|
|
// 0, like serve's graceful stop.
|
|
func fakeServe(t *testing.T, path string) (argsFile, termFile string) {
|
|
t.Helper()
|
|
dir := t.TempDir()
|
|
argsFile, termFile = filepath.Join(dir, "args"), filepath.Join(dir, "term")
|
|
t.Setenv("DEV_ARGS_FILE", argsFile)
|
|
t.Setenv("DEV_TERM_FILE", termFile)
|
|
script := "#!/bin/sh\n" +
|
|
"printf '%s\\n' \"$*\" > \"$DEV_ARGS_FILE\"\n" +
|
|
"trap 'echo term > \"$DEV_TERM_FILE\"; exit 0' TERM\n" +
|
|
"while :; do sleep 0.05; done\n"
|
|
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(path, []byte(script), 0o755); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return argsFile, termFile
|
|
}
|
|
|
|
func readTrimmed(path string) string {
|
|
b, _ := os.ReadFile(path)
|
|
return strings.TrimSpace(string(b))
|
|
}
|
|
|
|
// TestStartBinServe: summer dev starts bin/<binary> with "serve" first and
|
|
// then the forwarded global options, through the real startBin.
|
|
func TestStartBinServe(t *testing.T) {
|
|
bin := filepath.Join(t.TempDir(), "bin", "hello")
|
|
argsFile, _ := fakeServe(t, bin)
|
|
var out safeBuffer
|
|
cmd, err := startBin(t.Context(), bin, []string{"serve", "-vv", "--env=staging"}, &out, &out)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
waitUntil(t, "args written", func() bool { return readTrimmed(argsFile) != "" })
|
|
_ = cmd.Process.Signal(syscall.SIGTERM)
|
|
_ = cmd.Wait()
|
|
if got := readTrimmed(argsFile); got != "serve -vv --env=staging" {
|
|
t.Fatalf("child args = %q", got)
|
|
}
|
|
|
|
// Through watch: the default Start runs serve with the globals summer
|
|
// dev was given.
|
|
dir := t.TempDir()
|
|
writeWatchApp(t, dir)
|
|
argsFile, _ = fakeServe(t, filepath.Join(dir, "bin", "hello"))
|
|
ctx, cancel := context.WithCancel(t.Context())
|
|
defer cancel()
|
|
done := make(chan error, 1)
|
|
opts := Options{Debounce: 40 * time.Millisecond, Build: func(context.Context, string, io.Writer) error { return nil }}
|
|
go func() { done <- watch(ctx, dir, testOutput(&out), []string{"-q", "--no-ansi"}, opts) }()
|
|
waitUntil(t, "child started", func() bool { return readTrimmed(argsFile) != "" })
|
|
if got := readTrimmed(argsFile); got != "serve -q --no-ansi" {
|
|
t.Fatalf("watch started the child with %q", got)
|
|
}
|
|
if !strings.Contains(out.String(), "running bin/hello serve -q --no-ansi") {
|
|
t.Errorf("watch line lacks the child command:\n%s", out.String())
|
|
}
|
|
cancel()
|
|
<-done
|
|
}
|
|
|
|
// TestDevReport: the dev report counts successful and failed rebuilds and
|
|
// restarts; a failed build keeps the running child.
|
|
func TestDevReport(t *testing.T) {
|
|
r := devReport{rebuilds: 2, failed: 1, restarts: 1, started: time.Now().Add(-90 * time.Second)}
|
|
d := r.details()
|
|
if d[0].Value != "3 (1 failed)" || !d[0].Warn || d[1].Value != "1" || d[2].Value != "1m30s" {
|
|
t.Fatalf("details = %+v", d)
|
|
}
|
|
if clean := (devReport{rebuilds: 1, started: time.Now()}).details(); clean[0].Value != "1 (0 failed)" || clean[0].Warn {
|
|
t.Fatalf("clean details = %+v", clean)
|
|
}
|
|
|
|
dir := t.TempDir()
|
|
writeWatchApp(t, dir)
|
|
var out safeBuffer
|
|
var builds, starts atomic.Int32
|
|
ctx, cancel := context.WithCancel(t.Context())
|
|
defer cancel()
|
|
opts := Options{
|
|
Debounce: 40 * time.Millisecond,
|
|
Build: func(context.Context, string, io.Writer) error {
|
|
if builds.Add(1) == 2 {
|
|
return fmt.Errorf("syntax error")
|
|
}
|
|
return nil
|
|
},
|
|
Start: func(context.Context, string, []string, io.Writer, io.Writer) (*exec.Cmd, error) {
|
|
starts.Add(1)
|
|
cmd := exec.Command("sleep", "30")
|
|
return cmd, cmd.Start()
|
|
},
|
|
}
|
|
done := make(chan error, 1)
|
|
go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
|
|
waitUntil(t, "initial start", func() bool { return starts.Load() == 1 })
|
|
write(t, filepath.Join(dir, "plugin.go"), "package p\n// broken\n")
|
|
waitUntil(t, "failed build", func() bool { return builds.Load() == 2 })
|
|
waitUntil(t, "build failure line", func() bool { return strings.Contains(out.String(), "Build failed: syntax error") })
|
|
write(t, filepath.Join(dir, "plugin.go"), "package p\n// fixed\n")
|
|
waitUntil(t, "restart", func() bool { return starts.Load() == 2 })
|
|
cancel()
|
|
if err := <-done; err != nil {
|
|
t.Fatalf("watch returned %v", err)
|
|
}
|
|
got := out.String()
|
|
for _, want := range []string{"Dev report", "Rebuilds 3 (1 failed)", "Restarts 1", "Uptime"} {
|
|
if !strings.Contains(got, want) {
|
|
t.Errorf("dev report lacks %q:\n%s", want, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestDevGracefulNil: when summer dev is stopped it sends SIGTERM to the
|
|
// running serve, which stops gracefully, prints the dev report and returns
|
|
// nil (exit 0).
|
|
func TestDevGracefulNil(t *testing.T) {
|
|
dir := t.TempDir()
|
|
writeWatchApp(t, dir)
|
|
argsFile, termFile := fakeServe(t, filepath.Join(dir, "bin", "hello"))
|
|
var out safeBuffer
|
|
ctx, cancel := context.WithCancel(t.Context())
|
|
defer cancel()
|
|
done := make(chan error, 1)
|
|
opts := Options{Debounce: 40 * time.Millisecond, Build: func(context.Context, string, io.Writer) error { return nil }}
|
|
go func() { done <- watch(ctx, dir, testOutput(&out), nil, opts) }()
|
|
waitUntil(t, "child started", func() bool { return readTrimmed(argsFile) == "serve" })
|
|
cancel()
|
|
select {
|
|
case err := <-done:
|
|
if err != nil {
|
|
t.Fatalf("watch returned %v after stop, want nil", err)
|
|
}
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatal("watch did not stop")
|
|
}
|
|
if readTrimmed(termFile) != "term" {
|
|
t.Fatal("serve did not get SIGTERM")
|
|
}
|
|
if !strings.Contains(out.String(), "Dev report") || !strings.Contains(out.String(), "Restarts 0") {
|
|
t.Fatalf("no dev report:\n%s", out.String())
|
|
}
|
|
}
|