AdGuardHome/internal/next/websvc/websvc_test.go

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package websvc_test
import (
"bytes"
"context"
"encoding/json"
"io"
"net/http"
"net/netip"
"net/url"
"testing"
"time"
"github.com/AdguardTeam/AdGuardHome/internal/next/agh"
"github.com/AdguardTeam/AdGuardHome/internal/next/dnssvc"
"github.com/AdguardTeam/AdGuardHome/internal/next/websvc"
"github.com/AdguardTeam/golibs/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMain(m *testing.M) {
testutil.DiscardLogOutput(m)
}
// testTimeout is the common timeout for tests.
const testTimeout = 1 * time.Second
// testStart is the server start value for tests.
var testStart = time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
// type check
var _ websvc.ConfigManager = (*configManager)(nil)
// configManager is a [websvc.ConfigManager] for tests.
type configManager struct {
onDNS func() (svc agh.ServiceWithConfig[*dnssvc.Config])
onWeb func() (svc agh.ServiceWithConfig[*websvc.Config])
onUpdateDNS func(ctx context.Context, c *dnssvc.Config) (err error)
onUpdateWeb func(ctx context.Context, c *websvc.Config) (err error)
}
// DNS implements the [websvc.ConfigManager] interface for *configManager.
func (m *configManager) DNS() (svc agh.ServiceWithConfig[*dnssvc.Config]) {
return m.onDNS()
}
// Web implements the [websvc.ConfigManager] interface for *configManager.
func (m *configManager) Web() (svc agh.ServiceWithConfig[*websvc.Config]) {
return m.onWeb()
}
// UpdateDNS implements the [websvc.ConfigManager] interface for *configManager.
func (m *configManager) UpdateDNS(ctx context.Context, c *dnssvc.Config) (err error) {
return m.onUpdateDNS(ctx, c)
}
// UpdateWeb implements the [websvc.ConfigManager] interface for *configManager.
func (m *configManager) UpdateWeb(ctx context.Context, c *websvc.Config) (err error) {
return m.onUpdateWeb(ctx, c)
}
// newConfigManager returns a *configManager all methods of which panic.
func newConfigManager() (m *configManager) {
return &configManager{
onDNS: func() (svc agh.ServiceWithConfig[*dnssvc.Config]) { panic("not implemented") },
onWeb: func() (svc agh.ServiceWithConfig[*websvc.Config]) { panic("not implemented") },
onUpdateDNS: func(_ context.Context, _ *dnssvc.Config) (err error) {
panic("not implemented")
},
onUpdateWeb: func(_ context.Context, _ *websvc.Config) (err error) {
panic("not implemented")
},
}
}
// newTestServer creates and starts a new web service instance as well as its
// sole address. It also registers a cleanup procedure, which shuts the
// instance down.
//
// TODO(a.garipov): Use svc or remove it.
func newTestServer(
t testing.TB,
confMgr websvc.ConfigManager,
) (svc *websvc.Service, addr netip.AddrPort) {
t.Helper()
c := &websvc.Config{
ConfigManager: confMgr,
TLS: nil,
Addresses: []netip.AddrPort{netip.MustParseAddrPort("127.0.0.1:0")},
SecureAddresses: nil,
Timeout: testTimeout,
Start: testStart,
ForceHTTPS: false,
}
svc = websvc.New(c)
err := svc.Start()
require.NoError(t, err)
t.Cleanup(func() {
ctx, cancel := context.WithTimeout(context.Background(), testTimeout)
t.Cleanup(cancel)
err = svc.Shutdown(ctx)
require.NoError(t, err)
})
c = svc.Config()
require.NotNil(t, c)
require.Len(t, c.Addresses, 1)
return svc, c.Addresses[0]
}
// jobj is a utility alias for JSON objects.
type jobj map[string]any
// httpGet is a helper that performs an HTTP GET request and returns the body of
// the response as well as checks that the status code is correct.
//
// TODO(a.garipov): Add helpers for other methods.
func httpGet(t testing.TB, u *url.URL, wantCode int) (body []byte) {
t.Helper()
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
require.NoErrorf(t, err, "creating req")
httpCli := &http.Client{
Timeout: testTimeout,
}
resp, err := httpCli.Do(req)
require.NoErrorf(t, err, "performing req")
require.Equal(t, wantCode, resp.StatusCode)
testutil.CleanupAndRequireSuccess(t, resp.Body.Close)
body, err = io.ReadAll(resp.Body)
require.NoErrorf(t, err, "reading body")
return body
}
// httpPatch is a helper that performs an HTTP PATCH request with JSON-encoded
// reqBody as the request body and returns the body of the response as well as
// checks that the status code is correct.
//
// TODO(a.garipov): Add helpers for other methods.
func httpPatch(t testing.TB, u *url.URL, reqBody any, wantCode int) (body []byte) {
t.Helper()
b, err := json.Marshal(reqBody)
require.NoErrorf(t, err, "marshaling reqBody")
req, err := http.NewRequest(http.MethodPatch, u.String(), bytes.NewReader(b))
require.NoErrorf(t, err, "creating req")
httpCli := &http.Client{
Timeout: testTimeout,
}
resp, err := httpCli.Do(req)
require.NoErrorf(t, err, "performing req")
require.Equal(t, wantCode, resp.StatusCode)
testutil.CleanupAndRequireSuccess(t, resp.Body.Close)
body, err = io.ReadAll(resp.Body)
require.NoErrorf(t, err, "reading body")
return body
}
func TestService_Start_getHealthCheck(t *testing.T) {
confMgr := newConfigManager()
_, addr := newTestServer(t, confMgr)
u := &url.URL{
Scheme: "http",
Host: addr.String(),
Path: websvc.PathHealthCheck,
}
body := httpGet(t, u, http.StatusOK)
assert.Equal(t, []byte("OK"), body)
}