Implement mocking and update tests for createElection

cmd/web/handlers_test.go

@@ -4,7 +4,9 @@ import (
 	"bytes"
 	"code.dlmw.ch/dlmw/qv/internal"
 	"encoding/json"
+	"fmt"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
 	"net/http"
 	"testing"
 	"time"
@@ -15,6 +17,11 @@ func TestCreateElection(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
+		Return(1, nil)
+
 	path := "/election"
 
 	tests := []struct {
@@ -180,3 +187,32 @@ func TestCreateElection(t *testing.T) {
 		})
 	}
 }
+
+func TestCreateElection_ServerError(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
+		Return(0, fmt.Errorf(""))
+
+	path := "/election"
+	requestBody := api.CreateElectionRequest{
+		Choices:        []string{"宮本武蔵", "伊東一刀斎"},
+		ExpiresAt:      time.Now().Add(24 * time.Hour),
+		AreVotersKnown: false,
+		MaxVoters:      0,
+		Name:           "強",
+		Tokens:         100,
+	}
+	requestBodyJson, err := json.Marshal(requestBody)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	code, _, _ := server.post(t, path, bytes.NewReader(requestBodyJson))
+
+	assert.Equal(t, 500, code)
+}