More tests and fixes

activityPub.go

@@ -114,7 +114,7 @@ func (a *goBlog) apHandleInbox(w http.ResponseWriter, r *http.Request) {
 	}
 	blogIri := a.apIri(blog)
 	// Verify request
-	requestActor, requestKey, requestActorStatus, err := apVerifySignature(r)
+	requestActor, requestKey, requestActorStatus, err := a.apVerifySignature(r)
 	if err != nil {
 		// Send 401 because signature could not be verified
 		a.serveError(w, r, err.Error(), http.StatusUnauthorized)
@@ -217,14 +217,14 @@ func (a *goBlog) apHandleInbox(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusOK)
 }
 
-func apVerifySignature(r *http.Request) (*asPerson, string, int, error) {
+func (a *goBlog) apVerifySignature(r *http.Request) (*asPerson, string, int, error) {
 	verifier, err := httpsig.NewVerifier(r)
 	if err != nil {
 		// Error with signature header etc.
 		return nil, "", 0, err
 	}
 	keyID := verifier.KeyId()
-	actor, statusCode, err := apGetRemoteActor(keyID)
+	actor, statusCode, err := a.apGetRemoteActor(keyID)
 	if err != nil || actor == nil || statusCode != 0 {
 		// Actor not found or something else bad
 		return nil, keyID, statusCode, err
@@ -249,14 +249,14 @@ func handleWellKnownHostMeta(w http.ResponseWriter, r *http.Request) {
 	_, _ = w.Write([]byte(`<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" type="application/xrd+xml" template="https://` + r.Host + `/.well-known/webfinger?resource={uri}"/></XRD>`))
 }
 
-func apGetRemoteActor(iri string) (*asPerson, int, error) {
+func (a *goBlog) apGetRemoteActor(iri string) (*asPerson, int, error) {
 	req, err := http.NewRequest(http.MethodGet, iri, nil)
 	if err != nil {
 		return nil, 0, err
 	}
 	req.Header.Set("Accept", contenttype.AS)
 	req.Header.Set(userAgent, appUserAgent)
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -367,7 +367,7 @@ func (a *goBlog) apAccept(blogName string, blog *configBlog, follow map[string]i
 		// actor and object are equal
 		return
 	}
-	follower, status, err := apGetRemoteActor(newFollower)
+	follower, status, err := a.apGetRemoteActor(newFollower)
 	if err != nil || status != 0 {
 		// Couldn't retrieve remote actor info
 		log.Println("Failed to retrieve remote actor info:", newFollower)

activityPubSending.go

@@ -114,7 +114,7 @@ func (a *goBlog) apSendSigned(blogIri, to string, activity []byte) error {
 		return err
 	}
 	// Do request
-	resp, err := appHttpClient.Do(r)
+	resp, err := a.httpClient.Do(r)
 	if err != nil {
 		return err
 	}

activityStreams.go

@@ -17,17 +17,18 @@ const asContext = "https://www.w3.org/ns/activitystreams"
 
 const asRequestKey requestContextKey = "asRequest"
 
-var asCheckMediaTypes = []ct.MediaType{
-	ct.NewMediaType(contenttype.HTML),
-	ct.NewMediaType(contenttype.AS),
-	ct.NewMediaType(contenttype.LDJSON),
-}
-
 func (a *goBlog) checkActivityStreamsRequest(next http.Handler) http.Handler {
+	if len(a.asCheckMediaTypes) == 0 {
+		a.asCheckMediaTypes = []ct.MediaType{
+			ct.NewMediaType(contenttype.HTML),
+			ct.NewMediaType(contenttype.AS),
+			ct.NewMediaType(contenttype.LDJSON),
+		}
+	}
 	return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
 		if ap := a.cfg.ActivityPub; ap != nil && ap.Enabled {
 			// Check if accepted media type is not HTML
-			if mt, _, err := ct.GetAcceptableMediaType(r, asCheckMediaTypes); err == nil && mt.String() != asCheckMediaTypes[0].String() {
+			if mt, _, err := ct.GetAcceptableMediaType(r, a.asCheckMediaTypes); err == nil && mt.String() != a.asCheckMediaTypes[0].String() {
 				next.ServeHTTP(rw, r.WithContext(context.WithValue(r.Context(), asRequestKey, true)))
 				return
 			}

app.go

@@ -9,6 +9,7 @@ import (
 	"git.jlel.se/jlelse/GoBlog/pkgs/minify"
 	shutdowner "git.jlel.se/jlelse/go-shutdowner"
 	ts "git.jlel.se/jlelse/template-strings"
+	ct "github.com/elnormous/contenttype"
 	"github.com/go-chi/chi/v5"
 	"github.com/go-fed/httpsig"
 	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
@@ -23,6 +24,8 @@ type goBlog struct {
 	apPostSignMutex    sync.Mutex
 	webfingerResources map[string]*configBlog
 	webfingerAccts     map[string]string
+	// ActivityStreams
+	asCheckMediaTypes []ct.MediaType
 	// Assets
 	assetFileNames map[string]string
 	assetFiles     map[string]*assetFile
@@ -36,6 +39,8 @@ type goBlog struct {
 	cfg *config
 	// Database
 	db *database
+	// Errors
+	errorCheckMediaTypes []ct.MediaType
 	// Hooks
 	pPostHooks   []postHookFunc
 	pUpdateHooks []postHookFunc
@@ -43,6 +48,8 @@ type goBlog struct {
 	hourlyHooks  []hourlyHookFunc
 	// HTTP
 	cspDomains string
+	// HTTP Client
+	httpClient httpClient
 	// HTTP Routers
 	d                      *dynamicHandler
 	privateMode            bool

blogroll.go

@@ -78,7 +78,7 @@ func (a *goBlog) getBlogrollOutlines(blog string) ([]*opml.Outline, error) {
 	if config.AuthHeader != "" && config.AuthValue != "" {
 		req.Header.Set(config.AuthHeader, config.AuthValue)
 	}
-	res, err := appHttpClient.Do(req)
+	res, err := a.httpClient.Do(req)
 	if err != nil {
 		return nil, err
 	}

captcha.go

@@ -22,7 +22,6 @@ func (a *goBlog) captchaMiddleware(next http.Handler) http.Handler {
 			}
 		}
 		// 2. Show Captcha
-		w.WriteHeader(http.StatusUnauthorized)
 		h, _ := json.Marshal(r.Header.Clone())
 		b, _ := io.ReadAll(io.LimitReader(r.Body, 2000000)) // Only allow 20 Megabyte
 		_ = r.Body.Close()
@@ -31,7 +30,7 @@ func (a *goBlog) captchaMiddleware(next http.Handler) http.Handler {
 			_ = r.ParseForm()
 			b = []byte(r.PostForm.Encode())
 		}
-		a.render(w, r, templateCaptcha, &renderData{
+		a.renderWithStatusCode(w, r, http.StatusUnauthorized, templateCaptcha, &renderData{
 			Data: map[string]string{
 				"captchamethod":  r.Method,
 				"captchaheaders": base64.StdEncoding.EncodeToString(h),

captcha_test.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"git.jlel.se/jlelse/GoBlog/pkgs/contenttype"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_captchaMiddleware(t *testing.T) {
+	app := &goBlog{
+		cfg: &config{
+			Server: &configServer{
+				PublicAddress: "https://example.com",
+			},
+			Blogs: map[string]*configBlog{
+				"en": {
+					Lang: "en",
+				},
+			},
+			DefaultBlog: "en",
+			User:        &configUser{},
+		},
+	}
+
+	app.setInMemoryDatabase()
+	app.initSessions()
+	_ = app.initTemplateStrings()
+	_ = app.initRendering()
+
+	h := app.captchaMiddleware(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
+		rw.Write([]byte("ABC Test"))
+	}))
+
+	t.Run("Default", func(t *testing.T) {
+		req := httptest.NewRequest(http.MethodPost, "/abc", nil)
+
+		rec := httptest.NewRecorder()
+
+		h.ServeHTTP(rec, req)
+
+		res := rec.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusUnauthorized, res.StatusCode)
+		assert.Contains(t, res.Header.Get("Content-Type"), contenttype.HTML)
+		assert.Contains(t, resString, "name=captchamethod value=POST")
+	})
+
+	t.Run("Captcha session", func(t *testing.T) {
+		req := httptest.NewRequest(http.MethodPost, "/abc", nil)
+		rec1 := httptest.NewRecorder()
+
+		session, _ := app.captchaSessions.Get(req, "c")
+		session.Values["captcha"] = true
+		session.Save(req, rec1)
+
+		for _, cookie := range rec1.Result().Cookies() {
+			req.AddCookie(cookie)
+		}
+
+		rec2 := httptest.NewRecorder()
+
+		h.ServeHTTP(rec2, req)
+
+		res := rec2.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusOK, res.StatusCode)
+		assert.Contains(t, resString, "ABC Test")
+	})
+}

errors.go

@@ -21,24 +21,24 @@ func (a *goBlog) serveNotAllowed(w http.ResponseWriter, r *http.Request) {
 	a.serveError(w, r, "", http.StatusMethodNotAllowed)
 }
 
-var errorCheckMediaTypes = []ct.MediaType{
-	ct.NewMediaType(contenttype.HTML),
-}
-
 func (a *goBlog) serveError(w http.ResponseWriter, r *http.Request, message string, status int) {
-	if mt, _, err := ct.GetAcceptableMediaType(r, errorCheckMediaTypes); err != nil || mt.String() != errorCheckMediaTypes[0].String() {
+	// Init the first time
+	if len(a.errorCheckMediaTypes) == 0 {
+		a.errorCheckMediaTypes = append(a.errorCheckMediaTypes, ct.NewMediaType(contenttype.HTML))
+	}
+	// Check message
+	if message == "" {
+		message = http.StatusText(status)
+	}
+	// Check if request accepts HTML
+	if mt, _, err := ct.GetAcceptableMediaType(r, a.errorCheckMediaTypes); err != nil || mt.String() != a.errorCheckMediaTypes[0].String() {
 		// Request doesn't accept HTML
 		http.Error(w, message, status)
 		return
 	}
-	title := fmt.Sprintf("%d %s", status, http.StatusText(status))
-	if message == "" {
-		message = http.StatusText(status)
-	}
-	w.WriteHeader(status)
-	a.render(w, r, templateError, &renderData{
+	a.renderWithStatusCode(w, r, status, templateError, &renderData{
 		Data: &errorData{
-			Title:   title,
+			Title:   fmt.Sprintf("%d %s", status, http.StatusText(status)),
 			Message: message,
 		},
 	})

errors_test.go

@@ -0,0 +1,112 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"git.jlel.se/jlelse/GoBlog/pkgs/contenttype"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_errors(t *testing.T) {
+	app := &goBlog{
+		cfg: &config{
+			Server: &configServer{
+				PublicAddress: "https://example.com",
+			},
+			Blogs: map[string]*configBlog{
+				"en": {
+					Lang: "en",
+				},
+			},
+			DefaultBlog: "en",
+			User:        &configUser{},
+		},
+	}
+
+	app.initMarkdown()
+	_ = app.initTemplateStrings()
+	_ = app.initRendering()
+
+	t.Run("Test 404, no HTML", func(t *testing.T) {
+		h := http.HandlerFunc(app.serve404)
+
+		req := httptest.NewRequest(http.MethodGet, "/abc", nil)
+		req.Header.Set("Accept", contenttype.JSON)
+
+		rec := httptest.NewRecorder()
+
+		h(rec, req)
+
+		res := rec.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusNotFound, res.StatusCode)
+		assert.Contains(t, resString, "not found")
+		assert.Contains(t, res.Header.Get("Content-Type"), "text/plain")
+	})
+
+	t.Run("Test 404, HTML", func(t *testing.T) {
+		h := http.HandlerFunc(app.serve404)
+
+		req := httptest.NewRequest(http.MethodGet, "/abc", nil)
+		req.Header.Set("Accept", contenttype.HTML)
+
+		rec := httptest.NewRecorder()
+
+		h(rec, req)
+
+		res := rec.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusNotFound, res.StatusCode)
+		assert.Contains(t, resString, "not found")
+		assert.Contains(t, res.Header.Get("Content-Type"), contenttype.HTML)
+	})
+
+	t.Run("Test Method Not Allowed, no HTML", func(t *testing.T) {
+		h := http.HandlerFunc(app.serveNotAllowed)
+
+		req := httptest.NewRequest(http.MethodGet, "/abc", nil)
+		req.Header.Set("Accept", contenttype.JSON)
+
+		rec := httptest.NewRecorder()
+
+		h(rec, req)
+
+		res := rec.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusMethodNotAllowed, res.StatusCode)
+		assert.Contains(t, resString, "Method Not Allowed")
+		assert.Contains(t, res.Header.Get("Content-Type"), "text/plain")
+	})
+
+	t.Run("Test Method Not Allowed", func(t *testing.T) {
+		h := http.HandlerFunc(app.serveNotAllowed)
+
+		req := httptest.NewRequest(http.MethodGet, "/abc", nil)
+		req.Header.Set("Accept", contenttype.HTML)
+
+		rec := httptest.NewRecorder()
+
+		h(rec, req)
+
+		res := rec.Result()
+		resBody, _ := io.ReadAll(res.Body)
+		_ = res.Body.Close()
+		resString := string(resBody)
+
+		assert.Equal(t, http.StatusMethodNotAllowed, res.StatusCode)
+		assert.Contains(t, resString, "Method Not Allowed")
+		assert.Contains(t, res.Header.Get("Content-Type"), contenttype.HTML)
+	})
+}

geo.go

@@ -12,11 +12,11 @@ import (
 	"github.com/thoas/go-funk"
 )
 
-func (db *database) geoTitle(g *gogeouri.Geo, lang string) string {
+func (a *goBlog) geoTitle(g *gogeouri.Geo, lang string) string {
 	if name, ok := g.Parameters["name"]; ok && len(name) > 0 && name[0] != "" {
 		return name[0]
 	}
-	ba, err := db.photonReverse(g.Latitude, g.Longitude, lang)
+	ba, err := a.photonReverse(g.Latitude, g.Longitude, lang)
 	if err != nil {
 		return ""
 	}
@@ -32,9 +32,9 @@ func (db *database) geoTitle(g *gogeouri.Geo, lang string) string {
 	return strings.Join(funk.FilterString([]string{name, city, state, country}, func(s string) bool { return s != "" }), ", ")
 }
 
-func (db *database) photonReverse(lat, lon float64, lang string) ([]byte, error) {
+func (a *goBlog) photonReverse(lat, lon float64, lang string) ([]byte, error) {
 	cacheKey := fmt.Sprintf("photon-%v-%v-%v", lat, lon, lang)
-	cache, _ := db.retrievePersistentCache(cacheKey)
+	cache, _ := a.db.retrievePersistentCache(cacheKey)
 	if cache != nil {
 		return cache, nil
 	}
@@ -51,7 +51,7 @@ func (db *database) photonReverse(lat, lon float64, lang string) ([]byte, error)
 		return nil, err
 	}
 	req.Header.Set(userAgent, appUserAgent)
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return nil, err
 	}
@@ -66,7 +66,7 @@ func (db *database) photonReverse(lat, lon float64, lang string) ([]byte, error)
 	if err != nil {
 		return nil, err
 	}
-	_ = db.cachePersistently(cacheKey, ba)
+	_ = a.db.cachePersistently(cacheKey, ba)
 	return ba, nil
 }
 

healthcheck.go

@@ -12,7 +12,7 @@ func (a *goBlog) healthcheck() bool {
 		fmt.Println(err.Error())
 		return false
 	}
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		fmt.Println(err.Error())
 		return false

httpClient.go

@@ -9,9 +9,15 @@ type httpClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }
 
-var appHttpClient httpClient = &http.Client{
-	Timeout: 5 * time.Minute,
-	Transport: &http.Transport{
-		DisableKeepAlives: true,
-	},
+func getHTTPClient() httpClient {
+	return &http.Client{
+		Timeout: 5 * time.Minute,
+		Transport: &http.Transport{
+			DisableKeepAlives: true,
+		},
+	}
+}
+
+func (a *goBlog) initHTTPClient() {
+	a.httpClient = getHTTPClient()
 }

httpClient_test.go

@@ -4,32 +4,15 @@ import (
 	"io"
 	"net/http"
 	"strings"
-	"sync"
 )
 
 type fakeHttpClient struct {
-	req     *http.Request
-	res     *http.Response
-	err     error
-	enabled bool
-	// internal
-	alt httpClient
-	mx  sync.Mutex
-}
-
-var fakeAppHttpClient *fakeHttpClient
-
-func init() {
-	fakeAppHttpClient = &fakeHttpClient{
-		alt: appHttpClient,
-	}
-	appHttpClient = fakeAppHttpClient
+	req *http.Request
+	res *http.Response
+	err error
 }
 
 func (c *fakeHttpClient) Do(req *http.Request) (*http.Response, error) {
-	if !c.enabled {
-		return c.alt.Do(req)
-	}
 	c.req = req
 	return c.res, c.err
 }
@@ -49,14 +32,6 @@ func (c *fakeHttpClient) setFakeResponse(statusCode int, body string, err error)
 	}
 }
 
-func (c *fakeHttpClient) lock(enabled bool) {
-	c.mx.Lock()
-	c.clean()
-	c.enabled = enabled
-}
-
-func (c *fakeHttpClient) unlock() {
-	c.enabled = false
-	c.clean()
-	c.mx.Unlock()
+func getFakeHTTPClient() *fakeHttpClient {
+	return &fakeHttpClient{}
 }

main.go

@@ -47,6 +47,7 @@ func main() {
 	}
 
 	app := &goBlog{}
+	app.initHTTPClient()
 
 	// Initialize config
 	if err = app.initConfig(); err != nil {

mediaCompression.go

@@ -37,7 +37,7 @@ func (a *goBlog) tinify(url string, config *configMicropubMedia) (location strin
 	}
 	req.SetBasicAuth("api", config.TinifyKey)
 	req.Header.Set(contentType, contenttype.JSON)
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return "", err
 	}
@@ -64,7 +64,7 @@ func (a *goBlog) tinify(url string, config *configMicropubMedia) (location strin
 	}
 	downloadReq.SetBasicAuth("api", config.TinifyKey)
 	downloadReq.Header.Set(contentType, contenttype.JSON)
-	downloadResp, err := appHttpClient.Do(downloadReq)
+	downloadResp, err := a.httpClient.Do(downloadReq)
 	if err != nil {
 		return "", err
 	}
@@ -121,7 +121,7 @@ func (a *goBlog) shortPixel(url string, config *configMicropubMedia) (location s
 	if err != nil {
 		return "", err
 	}
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return "", err
 	}
@@ -165,7 +165,7 @@ func (a *goBlog) cloudflare(url string) (location string, err error) {
 	if err != nil {
 		return "", err
 	}
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return "", err
 	}

micropubMedia.go

@@ -106,7 +106,7 @@ func (a *goBlog) serveMicropubMedia(w http.ResponseWriter, r *http.Request) {
 func (a *goBlog) uploadFile(filename string, f io.Reader) (string, error) {
 	ms := a.cfg.Micropub.MediaStorage
 	if ms != nil && ms.BunnyStorageKey != "" && ms.BunnyStorageName != "" {
-		return ms.uploadToBunny(filename, f)
+		return a.uploadToBunny(filename, f)
 	}
 	loc, err := saveMediaFile(filename, f)
 	if err != nil {
@@ -118,13 +118,14 @@ func (a *goBlog) uploadFile(filename string, f io.Reader) (string, error) {
 	return a.getFullAddress(loc), nil
 }
 
-func (config *configMicropubMedia) uploadToBunny(filename string, f io.Reader) (location string, err error) {
+func (a *goBlog) uploadToBunny(filename string, f io.Reader) (location string, err error) {
+	config := a.cfg.Micropub.MediaStorage
 	if config == nil || config.BunnyStorageName == "" || config.BunnyStorageKey == "" || config.MediaURL == "" {
 		return "", errors.New("Bunny storage not completely configured")
 	}
 	req, _ := http.NewRequest(http.MethodPut, fmt.Sprintf("https://storage.bunnycdn.com/%s/%s", url.PathEscape(config.BunnyStorageName), url.PathEscape(filename)), f)
 	req.Header.Add("AccessKey", config.BunnyStorageKey)
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return "", err
 	}

notifications.go

@@ -30,7 +30,7 @@ func (a *goBlog) sendNotification(text string) {
 		log.Println("Failed to save notification:", err.Error())
 	}
 	if an := a.cfg.Notifications; an != nil {
-		err := an.Telegram.send(n.Text, "")
+		err := a.send(an.Telegram, n.Text, "")
 		if err != nil {
 			log.Println("Failed to send Telegram notification:", err.Error())
 		}

render.go

@@ -65,7 +65,7 @@ func (a *goBlog) initRendering() error {
 		"sort":       sortedStrings,
 		"absolute":   a.getFullAddress,
 		"mentions":   a.db.getWebmentionsByAddress,
-		"geotitle":   a.db.geoTitle,
+		"geotitle":   a.geoTitle,
 		"geolink":    geoOSMLink,
 		"opensearch": openSearchUrl,
 	}
@@ -106,6 +106,10 @@ type renderData struct {
 }
 
 func (a *goBlog) render(w http.ResponseWriter, r *http.Request, template string, data *renderData) {
+	a.renderWithStatusCode(w, r, http.StatusOK, template, data)
+}
+
+func (a *goBlog) renderWithStatusCode(w http.ResponseWriter, r *http.Request, statusCode int, template string, data *renderData) {
 	// Server timing
 	t := servertiming.FromContext(r.Context()).NewMetric("r").Start()
 	// Check render data
@@ -153,6 +157,7 @@ func (a *goBlog) render(w http.ResponseWriter, r *http.Request, template string,
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
+	w.WriteHeader(statusCode)
 	_, err = a.min.Write(w, contenttype.HTML, tw.Bytes())
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)

telegram.go

@@ -17,7 +17,7 @@ func (a *goBlog) initTelegram() {
 	a.pPostHooks = append(a.pPostHooks, func(p *post) {
 		if tg := a.cfg.Blogs[p.Blog].Telegram; tg.enabled() && p.isPublishedSectionPost() {
 			if html := tg.generateHTML(p.Title(), a.fullPostURL(p), a.shortPostURL(p)); html != "" {
-				if err := tg.send(html, "HTML"); err != nil {
+				if err := a.send(tg, html, "HTML"); err != nil {
 					log.Printf("Failed to send post to Telegram: %v", err)
 				}
 			}
@@ -54,7 +54,7 @@ func (tg *configTelegram) generateHTML(title, fullURL, shortURL string) string {
 	return message.String()
 }
 
-func (tg *configTelegram) send(message, mode string) error {
+func (a *goBlog) send(tg *configTelegram, message, mode string) error {
 	if !tg.enabled() {
 		return nil
 	}
@@ -70,7 +70,7 @@ func (tg *configTelegram) send(message, mode string) error {
 	}
 	tgURL.RawQuery = params.Encode()
 	req, _ := http.NewRequest(http.MethodPost, tgURL.String(), nil)
-	resp, err := appHttpClient.Do(req)
+	resp, err := a.httpClient.Do(req)
 	if err != nil {
 		return err
 	}

telegram_test.go

@@ -4,6 +4,8 @@ import (
 	"net/http"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func Test_configTelegram_enabled(t *testing.T) {
@@ -69,8 +71,7 @@ func Test_configTelegram_generateHTML(t *testing.T) {
 }
 
 func Test_configTelegram_send(t *testing.T) {
-	fakeAppHttpClient.lock(true)
-	defer fakeAppHttpClient.unlock()
+	fakeClient := getFakeHTTPClient()
 
 	tg := &configTelegram{
 		Enabled:  true,
@@ -78,25 +79,19 @@ func Test_configTelegram_send(t *testing.T) {
 		BotToken: "bottoken",
 	}
 
-	fakeAppHttpClient.setFakeResponse(200, "", nil)
-
-	err := tg.send("Message", "HTML")
-	if err != nil {
-		t.Fatalf("Error: %v", err)
+	app := &goBlog{
+		httpClient: fakeClient,
 	}
 
-	if fakeAppHttpClient.req == nil {
-		t.Error("Empty request")
-	}
-	if fakeAppHttpClient.err != nil {
-		t.Error("Error in request")
-	}
-	if fakeAppHttpClient.req.Method != http.MethodPost {
-		t.Error("Wrong method")
-	}
-	if u := fakeAppHttpClient.req.URL.String(); u != "https://api.telegram.org/botbottoken/sendMessage?chat_id=chatid&parse_mode=HTML&text=Message" {
-		t.Errorf("Wrong request URL, got: %v", u)
-	}
+	fakeClient.setFakeResponse(200, "", nil)
+
+	err := app.send(tg, "Message", "HTML")
+	assert.Nil(t, err)
+
+	assert.NotNil(t, fakeClient.req)
+	assert.Nil(t, fakeClient.err)
+	assert.Equal(t, http.MethodPost, fakeClient.req.Method)
+	assert.Equal(t, "https://api.telegram.org/botbottoken/sendMessage?chat_id=chatid&parse_mode=HTML&text=Message", fakeClient.req.URL.String())
 }
 
 func Test_goBlog_initTelegram(t *testing.T) {
@@ -113,10 +108,9 @@ func Test_goBlog_initTelegram(t *testing.T) {
 
 func Test_telegram(t *testing.T) {
 	t.Run("Send post to Telegram", func(t *testing.T) {
-		fakeAppHttpClient.lock(true)
-		defer fakeAppHttpClient.unlock()
+		fakeClient := getFakeHTTPClient()
 
-		fakeAppHttpClient.setFakeResponse(200, "", nil)
+		fakeClient.setFakeResponse(200, "", nil)
 
 		app := &goBlog{
 			pPostHooks: []postHookFunc{},
@@ -134,6 +128,7 @@ func Test_telegram(t *testing.T) {
 					},
 				},
 			},
+			httpClient: fakeClient,
 		}
 		app.setInMemoryDatabase()
 
@@ -152,16 +147,17 @@ func Test_telegram(t *testing.T) {
 
 		app.pPostHooks[0](p)
 
-		if u := fakeAppHttpClient.req.URL.String(); u != "https://api.telegram.org/botbottoken/sendMessage?chat_id=chatid&parse_mode=HTML&text=Title%0A%0A%3Ca+href%3D%22https%3A%2F%2Fexample.com%2Fs%2F1%22%3Ehttps%3A%2F%2Fexample.com%2Fs%2F1%3C%2Fa%3E" {
-			t.Errorf("Wrong request URL, got: %v", u)
-		}
+		assert.Equal(
+			t,
+			"https://api.telegram.org/botbottoken/sendMessage?chat_id=chatid&parse_mode=HTML&text=Title%0A%0A%3Ca+href%3D%22https%3A%2F%2Fexample.com%2Fs%2F1%22%3Ehttps%3A%2F%2Fexample.com%2Fs%2F1%3C%2Fa%3E",
+			fakeClient.req.URL.String(),
+		)
 	})
 
 	t.Run("Telegram disabled", func(t *testing.T) {
-		fakeAppHttpClient.lock(true)
-		defer fakeAppHttpClient.unlock()
+		fakeClient := getFakeHTTPClient()
 
-		fakeAppHttpClient.setFakeResponse(200, "", nil)
+		fakeClient.setFakeResponse(200, "", nil)
 
 		app := &goBlog{
 			pPostHooks: []postHookFunc{},
@@ -173,6 +169,7 @@ func Test_telegram(t *testing.T) {
 					"en": {},
 				},
 			},
+			httpClient: fakeClient,
 		}
 		app.setInMemoryDatabase()
 
@@ -191,8 +188,6 @@ func Test_telegram(t *testing.T) {
 
 		app.pPostHooks[0](p)
 
-		if fakeAppHttpClient.req != nil {
-			t.Error("There should be no request")
-		}
+		assert.Nil(t, fakeClient.req)
 	})
 }

webmentionSending.go

@@ -47,11 +47,11 @@ func (a *goBlog) sendWebmentions(p *post) error {
 			// Just ignore the mention
 			continue
 		}
-		endpoint := discoverEndpoint(link)
+		endpoint := a.discoverEndpoint(link)
 		if endpoint == "" {
 			continue
 		}
-		if err = sendWebmention(endpoint, a.fullPostURL(p), link); err != nil {
+		if err = a.sendWebmention(endpoint, a.fullPostURL(p), link); err != nil {
 			log.Println("Sending webmention to " + link + " failed")
 			continue
 		}
@@ -60,7 +60,7 @@ func (a *goBlog) sendWebmentions(p *post) error {
 	return nil
 }
 
-func sendWebmention(endpoint, source, target string) error {
+func (a *goBlog) sendWebmention(endpoint, source, target string) error {
 	req, err := http.NewRequest(http.MethodPost, endpoint, strings.NewReader(url.Values{
 		"source": []string{source},
 		"target": []string{target},
@@ -70,7 +70,7 @@ func sendWebmention(endpoint, source, target string) error {
 	}
 	req.Header.Set(contentType, contenttype.WWWForm)
 	req.Header.Set(userAgent, appUserAgent)
-	res, err := appHttpClient.Do(req)
+	res, err := a.httpClient.Do(req)
 	if err != nil {
 		return err
 	}
@@ -82,14 +82,14 @@ func sendWebmention(endpoint, source, target string) error {
 	return nil
 }
 
-func discoverEndpoint(urlStr string) string {
+func (a *goBlog) discoverEndpoint(urlStr string) string {
 	doRequest := func(method, urlStr string) string {
 		req, err := http.NewRequest(method, urlStr, nil)
 		if err != nil {
 			return ""
 		}
 		req.Header.Set(userAgent, appUserAgent)
-		resp, err := appHttpClient.Do(req)
+		resp, err := a.httpClient.Do(req)
 		if err != nil {
 			return ""
 		}

webmentionVerification.go

@@ -78,7 +78,7 @@ func (a *goBlog) verifyMention(m *mention) error {
 		resp = rec.Result()
 	} else {
 		req.Header.Set(userAgent, appUserAgent)
-		resp, err = appHttpClient.Do(req)
+		resp, err = a.httpClient.Do(req)
 		if err != nil {
 			return err
 		}