go-process/daemon_test.go

165 lines
3.4 KiB
Go

package process
import (
"context"
"net/http"
"os"
"testing"
"time"
"dappco.re/go/core"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDaemon_Lifecycle_Good(t *testing.T) {
pidPath := core.JoinPath(t.TempDir(), "test.pid")
d := NewDaemon(DaemonOptions{
PIDFile: pidPath,
HealthAddr: "127.0.0.1:0",
ShutdownTimeout: 5 * time.Second,
})
err := d.Start()
require.NoError(t, err)
addr := d.HealthAddr()
require.NotEmpty(t, addr)
resp, err := http.Get("http://" + addr + "/health")
require.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
_ = resp.Body.Close()
err = d.Stop()
require.NoError(t, err)
}
func TestDaemon_AlreadyRunning_Bad(t *testing.T) {
d := NewDaemon(DaemonOptions{
HealthAddr: "127.0.0.1:0",
})
err := d.Start()
require.NoError(t, err)
defer func() { _ = d.Stop() }()
err = d.Start()
assert.Error(t, err)
assert.Contains(t, err.Error(), "already running")
}
func TestDaemon_RunUnstarted_Bad(t *testing.T) {
d := NewDaemon(DaemonOptions{})
ctx, cancel := context.WithCancel(context.Background())
cancel()
err := d.Run(ctx)
assert.Error(t, err)
assert.Contains(t, err.Error(), "not started")
}
func TestDaemon_SetReady_Good(t *testing.T) {
d := NewDaemon(DaemonOptions{
HealthAddr: "127.0.0.1:0",
})
err := d.Start()
require.NoError(t, err)
defer func() { _ = d.Stop() }()
addr := d.HealthAddr()
resp, _ := http.Get("http://" + addr + "/ready")
assert.Equal(t, http.StatusOK, resp.StatusCode)
_ = resp.Body.Close()
d.SetReady(false)
resp, _ = http.Get("http://" + addr + "/ready")
assert.Equal(t, http.StatusServiceUnavailable, resp.StatusCode)
_ = resp.Body.Close()
}
func TestDaemon_HealthAddrDisabled_Good(t *testing.T) {
d := NewDaemon(DaemonOptions{})
assert.Empty(t, d.HealthAddr())
}
func TestDaemon_DefaultTimeout_Good(t *testing.T) {
d := NewDaemon(DaemonOptions{})
assert.Equal(t, 30*time.Second, d.opts.ShutdownTimeout)
}
func TestDaemon_RunBlocking_Good(t *testing.T) {
d := NewDaemon(DaemonOptions{
HealthAddr: "127.0.0.1:0",
})
err := d.Start()
require.NoError(t, err)
ctx, cancel := context.WithCancel(context.Background())
done := make(chan error, 1)
go func() {
done <- d.Run(ctx)
}()
// Run should be blocking
select {
case <-done:
t.Fatal("Run should block until context is cancelled")
case <-time.After(50 * time.Millisecond):
// Expected — still blocking
}
cancel()
select {
case err := <-done:
assert.NoError(t, err)
case <-time.After(2 * time.Second):
t.Fatal("Run should return after context cancellation")
}
}
func TestDaemon_StopIdempotent_Good(t *testing.T) {
d := NewDaemon(DaemonOptions{})
// Stop without Start should be a no-op
err := d.Stop()
assert.NoError(t, err)
}
func TestDaemon_AutoRegister_Good(t *testing.T) {
dir := t.TempDir()
reg := NewRegistry(core.JoinPath(dir, "daemons"))
d := NewDaemon(DaemonOptions{
HealthAddr: "127.0.0.1:0",
Registry: reg,
RegistryEntry: DaemonEntry{
Code: "test-app",
Daemon: "serve",
},
})
err := d.Start()
require.NoError(t, err)
// Should be registered
entry, ok := reg.Get("test-app", "serve")
require.True(t, ok)
assert.Equal(t, os.Getpid(), entry.PID)
assert.NotEmpty(t, entry.Health)
// Stop should unregister
err = d.Stop()
require.NoError(t, err)
_, ok = reg.Get("test-app", "serve")
assert.False(t, ok)
}