add unit test for home handler

cmd/web/handlers.go

@@ -14,20 +14,14 @@ import (
 	"github.com/nothinux/karsajobs/pkg/models"
 )
 
-func (app *application) home(w http.ResponseWriter, r *http.Request) {
+func home(w http.ResponseWriter, r *http.Request) {
 	if r.URL.Path != "/" {
 		http.NotFound(w, r)
 		return
 	}
 
-	out, err := json.Marshal("")
-	if err != nil {
-		http.Error(w, http.StatusText(500), 500)
-		return
-	}
-
-	w.Header().Add("Content-type", "application/json")
-	w.Write(out)
+	w.Header().Add("Content-type", "text/plain")
+	w.Write([]byte("Up!"))
 }
 
 func (app *application) getJobs(w http.ResponseWriter, r *http.Request) {

cmd/web/handlers_test.go

@@ -14,6 +14,33 @@ import (
 	"github.com/nothinux/karsajobs/pkg/models"
 )
 
+func TestHomeHandler(t *testing.T) {
+	r, err := http.NewRequest(http.MethodGet, "/", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	rr := httptest.NewRecorder()
+
+	http.HandlerFunc(home).ServeHTTP(rr, r)
+	result := rr.Result()
+	defer result.Body.Close()
+
+	if result.StatusCode != http.StatusOK {
+		t.Errorf("got %v, want %v", result.StatusCode, http.StatusOK)
+	}
+
+	body, err := ioutil.ReadAll(result.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !reflect.DeepEqual(string(body), "Up!") {
+		t.Errorf("got %v, want %v", string(body), "Up!")
+	}
+
+}
+
 func TestGetJobsHandler(t *testing.T) {
 	if testing.Short() {
 		t.Skip("skipping integration test")

cmd/web/routes.go

@@ -21,7 +21,7 @@ func (app *application) routes() http.Handler {
 		AllowedMethods: []string{"GET", "POST", "DELETE"},
 	}))
 
-	mux.Get("/", app.home)
+	mux.Get("/", home)
 	mux.Get("/jobs", app.getJobs)
 	mux.Get("/job/{id}", app.getJob)
 	mux.Post("/job", app.InsertJob)