Implement mocking and update tests for createElection

cmd/web/testutils_test.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"code.dlmw.ch/dlmw/qv/internal/models"
+	"github.com/stretchr/testify/mock"
 	"io"
 	"log/slog"
 	"net/http"
@@ -44,10 +45,12 @@ func (ts *testServer) post(t *testing.T, urlPath string, body io.Reader) (int, h
 }
 
 type mockElectionModel struct {
+	mock.Mock
 }
 
 func (e *mockElectionModel) Insert(name string, tokens int, areVotersKnown bool, maxVoters int, choices []string, expiresAt time.Time) (int, error) {
-	return 1, nil
+	args := e.Called(name, tokens, areVotersKnown, maxVoters, choices, expiresAt)
+	return args.Int(0), args.Error(1)
 }
 
 func (e *mockElectionModel) GetById(id int) (*models.Election, error) {
@@ -78,10 +81,12 @@ func (v *mockVoterModel) Exists(voterIdentity string, electionID int) (bool, err
 }
 
 type mockVoteModel struct {
+	mock.Mock
 }
 
 func (v *mockVoteModel) Insert(voterIdentity string, electionId int, choiceText string, tokens int) (int, error) {
-	return 1, nil
+	args := v.Called(voterIdentity, electionId, choiceText, tokens)
+	return args.Int(0), args.Error(1)
 }
 
 func (v *mockVoteModel) Exists(voterIdentity string, electionID int) (bool, error) {