Write test for max voters reached (only in unknown voters election

cmd/web/handlers_test.go

@@ -588,3 +588,55 @@ func TestCreateVotes_AlreadyVoted(t *testing.T) {
 		})
 	}
 }
+
+func TestCreateVotes_UnknownVotersElectionMaxVotersReached(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("GetById", mock.Anything).
+		Return(&models.Election{
+			ID:             1,
+			Name:           "Guy of the year",
+			Tokens:         100,
+			AreVotersKnown: false,
+			MaxVoters:      10,
+			CreatedAt:      time.Now(),
+			ExpiresAt:      time.Now().Add(24 * time.Hour),
+			Choices:        []string{"Gandhi", "Buddha"},
+		}, nil)
+
+	mockVoters := app.voters.(*mockVoterModel)
+	mockVoters.
+		On("Exists", mock.Anything, mock.Anything).
+		Return(false, nil)
+	mockVoters.
+		On("Insert", mock.Anything, mock.Anything).
+		Return(1, nil)
+	mockVoters.
+		On("CountByElection", mock.Anything).
+		Return(10, nil)
+
+	path := "/votes"
+	requestBody := api.CreateVotesRequest{
+		Choices: []struct {
+			ChoiceText string `json:"choiceText"`
+			Tokens     int    `json:"tokens"`
+		}{
+			{ChoiceText: "Gandhi", Tokens: 60},
+			{ChoiceText: "Buddha", Tokens: 40},
+		},
+		ElectionId:    1,
+		VoterIdentity: nil,
+	}
+	requestBodyJson, err := json.Marshal(requestBody)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	code, _, _ := server.post(t, path, bytes.NewReader(requestBodyJson))
+
+	assert.Equal(t, http.StatusUnprocessableEntity, code)
+}