go-process/health_test.go

87 lines
2 KiB
Go

package process
import (
"context"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestHealthServer_Endpoints_Good(t *testing.T) {
hs := NewHealthServer("127.0.0.1:0")
err := hs.Start()
require.NoError(t, err)
defer func() { _ = hs.Stop(context.Background()) }()
addr := hs.Addr()
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()
resp, err = http.Get("http://" + addr + "/ready")
require.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
_ = resp.Body.Close()
hs.SetReady(false)
resp, err = http.Get("http://" + addr + "/ready")
require.NoError(t, err)
assert.Equal(t, http.StatusServiceUnavailable, resp.StatusCode)
_ = resp.Body.Close()
}
func TestHealthServer_WithChecks_Good(t *testing.T) {
hs := NewHealthServer("127.0.0.1:0")
healthy := true
hs.AddCheck(func() error {
if !healthy {
return assert.AnError
}
return nil
})
err := hs.Start()
require.NoError(t, err)
defer func() { _ = hs.Stop(context.Background()) }()
addr := hs.Addr()
resp, err := http.Get("http://" + addr + "/health")
require.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
_ = resp.Body.Close()
healthy = false
resp, err = http.Get("http://" + addr + "/health")
require.NoError(t, err)
assert.Equal(t, http.StatusServiceUnavailable, resp.StatusCode)
_ = resp.Body.Close()
}
func TestHealthServer_StopImmediately_Good(t *testing.T) {
hs := NewHealthServer("127.0.0.1:0")
require.NoError(t, hs.Start())
require.NoError(t, hs.Stop(context.Background()))
}
func TestWaitForHealth_Reachable_Good(t *testing.T) {
hs := NewHealthServer("127.0.0.1:0")
require.NoError(t, hs.Start())
defer func() { _ = hs.Stop(context.Background()) }()
ok := WaitForHealth(hs.Addr(), 2_000)
assert.True(t, ok)
}
func TestWaitForHealth_Unreachable_Bad(t *testing.T) {
ok := WaitForHealth("127.0.0.1:19999", 500)
assert.False(t, ok)
}