qv/cmd/web/handlers_test.go

package main

import (
	"bytes"
	"code.dlmw.ch/dlmw/qv/internal"
	"code.dlmw.ch/dlmw/qv/internal/models"
	"database/sql"
	"encoding/json"
	"fmt"
	"github.com/google/uuid"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"net/http"
	"testing"
	"time"
)

const baseUri = "/api/"

func TestCreateElection(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
		Return(id.String(), nil)

	path := baseUri + "election"

	tests := []struct {
		name         string
		urlPath      string
		body         any
		expectedCode int
	}{
		{
			name:    "Valid request (small name, other language)",
			urlPath: path,
			body: 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,
			},
			expectedCode: http.StatusOK,
		},
		{
			name:    "Valid request (voters unknown with unlimited voters)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusOK,
		},
		{
			name:    "Valid request (with 3 choices)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha", "You"},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusOK,
		},
		{
			name:    "Valid request (voters unknown with max voters)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      1000,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusOK,
		},
		{
			name:    "Valid request (voters known with max voters)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      10,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusOK,
		},
		{
			name:    "Invalid request (not enough choices)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi"},
				ExpiresAt:      time.Unix(0, 0),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request (expiresAt is not in the future)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Unix(0, 0),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request (max voters must be greater than 0 for known elections)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Unix(0, 0),
				AreVotersKnown: true,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request (blank name)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha"},
				ExpiresAt:      time.Unix(0, 0),
				AreVotersKnown: true,
				MaxVoters:      0,
				Name:           "",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request (choices are not unique)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Gandhi"},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request (choices contain blank entries)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha", ""},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: false,
				MaxVoters:      0,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for known voters election (max voters greater than 100)",
			urlPath: path,
			body: api.CreateElectionRequest{
				Choices:        []string{"Gandhi", "Buddha", ""},
				ExpiresAt:      time.Now().Add(24 * time.Hour),
				AreVotersKnown: true,
				MaxVoters:      101,
				Name:           "Guy of the year",
				Tokens:         100,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			requestBody, err := json.Marshal(tt.body)
			if err != nil {
				t.Fatal(err)
			}

			code, _, _ := server.post(t, tt.urlPath, bytes.NewReader(requestBody))
			assert.Equal(t, tt.expectedCode, code)
		})
	}
}

func TestCreateElection_KnownVoters(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	electionId, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
		Return(electionId.String(), nil)

	mockVoters := app.voters.(*mockVoterModel)
	mockVoters.
		On("InsertMultiple", mock.Anything, mock.Anything).
		Return([]int{1}, nil)

	path := baseUri + "election"
	requestBody := api.CreateElectionRequest{
		Choices:        []string{"宮本武蔵", "伊東一刀斎"},
		ExpiresAt:      time.Now().Add(24 * time.Hour),
		AreVotersKnown: true,
		MaxVoters:      100,
		Name:           "強",
		Tokens:         100,
	}
	requestBodyJson, err := json.Marshal(requestBody)
	if err != nil {
		t.Fatal(err)
	}

	code, _, body := server.post(t, path, bytes.NewReader(requestBodyJson))

	assert.Equal(t, http.StatusOK, code)

	var voterIdentities struct {
		VoterIdentities []string
	}
	err = json.Unmarshal([]byte(body), &voterIdentities)
	if err != nil {
		t.Fatal(err)
	}

	assert.Len(t, voterIdentities.VoterIdentities, 100)
}

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 := baseUri + "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)
}

func TestCreateVotes_UnknownVotersElection(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", mock.Anything).
		Return(&models.Election{
			ID:             id.String(),
			Name:           "Guy of the year",
			Tokens:         100,
			AreVotersKnown: false,
			MaxVoters:      100,
			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("InsertMultiple", mock.Anything, mock.Anything).
		Return([]int{1}, nil)
	mockVoters.
		On("CountByElection", mock.Anything).
		Return(0, nil)

	mockVotes := app.votes.(*mockVoteModel)
	mockVotes.
		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything).
		Return(1, nil)

	path := baseUri + "election/1/votes"

	tests := []struct {
		name         string
		urlPath      string
		body         any
		expectedCode int
	}{
		{
			name:    "Valid request for unknown voters election",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: nil,
			},
			expectedCode: http.StatusCreated,
		},
		{
			name:    "Invalid request for unknown voters election (too many tokens used)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 41},
				},
				VoterIdentity: nil,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for unknown voters election (choice doesn't exist)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddh", Tokens: 40},
				},
				VoterIdentity: nil,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			requestBody, err := json.Marshal(tt.body)
			if err != nil {
				t.Fatal(err)
			}

			code, _, _ := server.post(t, tt.urlPath, bytes.NewReader(requestBody))
			assert.Equal(t, tt.expectedCode, code)
		})
	}
}

func TestCreateVotes_KnownVotersElection(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", mock.Anything).
		Return(&models.Election{
			ID:             id.String(),
			Name:           "Guy of the year",
			Tokens:         100,
			AreVotersKnown: true,
			MaxVoters:      100,
			CreatedAt:      time.Now(),
			ExpiresAt:      time.Now().Add(24 * time.Hour),
			Choices:        []string{"Gandhi", "Buddha"},
		}, nil)

	EXISTING_VOTER_IDENTITY := "EXISTING_VOTER_IDENTITY"
	NON_EXISTING_VOTER_IDENTITY := "NON_EXISTING_VOTER_IDENTITY"
	mockVoters := app.voters.(*mockVoterModel)
	mockVoters.
		On("Exists", EXISTING_VOTER_IDENTITY, mock.Anything).
		Return(true, nil)
	mockVoters.
		On("Exists", NON_EXISTING_VOTER_IDENTITY, mock.Anything).
		Return(false, nil)

	mockVotes := app.votes.(*mockVoteModel)
	mockVotes.
		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything).
		Return(1, nil)
	mockVotes.
		On("Exists", mock.Anything, mock.Anything).
		Return(false, nil)

	path := baseUri + "election/1/votes"

	tests := []struct {
		name         string
		urlPath      string
		body         any
		expectedCode int
	}{
		{
			name:    "Valid request for unknown voters election",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: &EXISTING_VOTER_IDENTITY,
			},
			expectedCode: http.StatusCreated,
		},
		{
			name:    "Invalid request for unknown voters election (non-existing voter identity)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: &NON_EXISTING_VOTER_IDENTITY,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for unknown voters election (no voter identity provided)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: nil,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for unknown voters election (too many tokens used)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 41},
				},
				VoterIdentity: &EXISTING_VOTER_IDENTITY,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for unknown voters election (choice doesn't exist)",
			urlPath: path,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddh", Tokens: 40},
				},
				VoterIdentity: &EXISTING_VOTER_IDENTITY,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			requestBody, err := json.Marshal(tt.body)
			if err != nil {
				t.Fatal(err)
			}

			code, _, _ := server.post(t, tt.urlPath, bytes.NewReader(requestBody))
			assert.Equal(t, tt.expectedCode, code)
		})
	}
}

func TestCreateVotes_NonExistingElection(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)(nil), sql.ErrNoRows)

	path := baseUri + "election/1/votes"
	requestBody := api.CreateVotesRequest{
		Choices: []struct {
			ChoiceText string `json:"choiceText"`
			Tokens     int    `json:"tokens"`
		}{
			{ChoiceText: "Gandhi", Tokens: 60},
			{ChoiceText: "Buddha", Tokens: 40},
		},
		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.StatusNotFound, code)
}

func TestCreateVotes_NonUuidElectionID(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)(nil), sql.ErrNoRows)

	path := baseUri + "election/1a/votes"
	requestBody := api.CreateVotesRequest{
		Choices: []struct {
			ChoiceText string `json:"choiceText"`
			Tokens     int    `json:"tokens"`
		}{
			{ChoiceText: "Gandhi", Tokens: 60},
			{ChoiceText: "Buddha", Tokens: 40},
		},
		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.StatusNotFound, code)
}

func TestCreateVotes_AlreadyVoted(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	unknownVotersElectionId, _ := uuid.NewV7()
	unknownVotersElection := models.Election{
		ID:             unknownVotersElectionId.String(),
		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"},
	}

	knownVotersElection := unknownVotersElection
	knownVotersElectionId, _ := uuid.NewV7()
	knownVotersElection.ID = knownVotersElectionId.String()
	knownVotersElection.AreVotersKnown = true

	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", knownVotersElectionId.String()).
		Return(&knownVotersElection, nil)
	mockElections.
		On("GetById", unknownVotersElectionId.String()).
		Return(&unknownVotersElection, nil)

	mockVotes := app.votes.(*mockVoteModel)
	mockVotes.
		On("Exists", mock.Anything, mock.Anything).
		Return(true, nil)

	mockVoters := app.voters.(*mockVoterModel)
	mockVoters.
		On("Exists", mock.Anything, mock.Anything).
		Return(true, nil)

	layout := baseUri + "election/%v/votes"
	knownVotersElectionPath := fmt.Sprintf(layout, unknownVotersElectionId)
	unknownVotersElectionPath := fmt.Sprintf(layout, knownVotersElectionId)
	voterIdentity := "anything"

	tests := []struct {
		name         string
		urlPath      string
		body         any
		expectedCode int
	}{
		{
			name:    "Invalid request for known voters election (already voted)",
			urlPath: knownVotersElectionPath,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: &voterIdentity,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
		{
			name:    "Invalid request for unknown voters election (already voted)",
			urlPath: unknownVotersElectionPath,
			body: api.CreateVotesRequest{
				Choices: []struct {
					ChoiceText string `json:"choiceText"`
					Tokens     int    `json:"tokens"`
				}{
					{ChoiceText: "Gandhi", Tokens: 60},
					{ChoiceText: "Buddha", Tokens: 40},
				},
				VoterIdentity: &voterIdentity,
			},
			expectedCode: http.StatusUnprocessableEntity,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			requestBody, err := json.Marshal(tt.body)
			if err != nil {
				t.Fatal(err)
			}

			code, _, _ := server.post(t, tt.urlPath, bytes.NewReader(requestBody))
			assert.Equal(t, tt.expectedCode, code)
		})
	}
}

func TestCreateVotes_UnknownVotersElectionMaxVotersReached(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", mock.Anything).
		Return(&models.Election{
			ID:             id.String(),
			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("InsertMultiple", mock.Anything, mock.Anything).
		Return([]int{1}, nil)
	mockVoters.
		On("CountByElection", mock.Anything).
		Return(10, nil)

	path := baseUri + "election/1/votes"
	requestBody := api.CreateVotesRequest{
		Choices: []struct {
			ChoiceText string `json:"choiceText"`
			Tokens     int    `json:"tokens"`
		}{
			{ChoiceText: "Gandhi", Tokens: 60},
			{ChoiceText: "Buddha", Tokens: 40},
		},
		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)
}

func TestCreateVotes_ExpiredElection(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", mock.Anything).
		Return(&models.Election{
			ID:             id.String(),
			Name:           "Guy of the year",
			Tokens:         100,
			AreVotersKnown: false,
			MaxVoters:      10,
			CreatedAt:      time.UnixMilli(1),
			ExpiresAt:      time.UnixMilli(100000),
			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 := baseUri + "election/1/votes"
	requestBody := api.CreateVotesRequest{
		Choices: []struct {
			ChoiceText string `json:"choiceText"`
			Tokens     int    `json:"tokens"`
		}{
			{ChoiceText: "Gandhi", Tokens: 60},
			{ChoiceText: "Buddha", Tokens: 40},
		},
		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)
}

func TestGetElectionResults(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	electionID, _ := uuid.NewV7()
	votes := []models.Vote{
		{
			VoterIdentity: "Voter1",
			ElectionID:    electionID.String(),
			ChoiceText:    "Choice1",
			Tokens:        2,
			CreatedAt:     time.Now(),
		},
		{
			VoterIdentity: "Voter2",
			ElectionID:    electionID.String(),
			ChoiceText:    "Choice2",
			Tokens:        4,
			CreatedAt:     time.Now(),
		},
		{
			VoterIdentity: "Voter3",
			ElectionID:    electionID.String(),
			ChoiceText:    "Choice3",
			Tokens:        6,
			CreatedAt:     time.Now(),
		},
		{
			VoterIdentity: "Voter4",
			ElectionID:    electionID.String(),
			ChoiceText:    "Choice1",
			Tokens:        8,
			CreatedAt:     time.Now(),
		},
		{
			VoterIdentity: "Voter5",
			ElectionID:    electionID.String(),
			ChoiceText:    "Choice2",
			Tokens:        10,
			CreatedAt:     time.Now(),
		},
	}
	mockVotes := app.votes.(*mockVoteModel)
	mockVotes.
		On("GetByElection", electionID.String()).
		Return(&votes, nil)

	path := baseUri + fmt.Sprintf("election/%v/results", electionID)
	code, _, body := server.get(t, path)

	assert.Equal(t, http.StatusOK, code)

	var response api.ElectionResultsResponse
	err := json.Unmarshal([]byte(body), &response)
	if err != nil {
		t.Fatal(err)
	}

	for _, result := range *response.Results {
		switch result.Choice {
		case "Choice1":
			assert.Equal(t, 3, result.Votes)
		case "Choice2":
			assert.Equal(t, 5, result.Votes)
		case "Choice3":
			assert.Equal(t, 2, result.Votes)
		default:
			t.Fatalf("Unexpected choice: %s", result.Choice)
		}
	}
}

func TestGetElectionResults_NotFound(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	mockVotes := app.votes.(*mockVoteModel)
	mockVotes.
		On("GetByElection", mock.Anything).
		Return(&[]models.Vote{}, sql.ErrNoRows)

	path := baseUri + "election/1/results"
	code, _, body := server.get(t, path)

	assert.Equal(t, http.StatusNotFound, code)

	var response api.ElectionResultsResponse
	err := json.Unmarshal([]byte(body), &response)
	if err != nil {
		t.Fatal(err)
	}
}

func TestGetElection_Found(t *testing.T) {
	app := newTestApplication(t)
	server := newTestServer(t, app.routes())
	defer server.Close()

	id, _ := uuid.NewV7()
	mockElections := app.elections.(*mockElectionModel)
	mockElections.
		On("GetById", mock.Anything).
		Return(&models.Election{
			ID:             id.String(),
			Name:           "Guy of the year",
			Tokens:         100,
			AreVotersKnown: false,
			MaxVoters:      10,
			CreatedAt:      time.UnixMilli(1),
			ExpiresAt:      time.UnixMilli(100000),
			Choices:        []string{"Gandhi", "Buddha"},
		}, nil)

	path := baseUri + "election/1"
	code, _, _ := server.get(t, path)

	assert.Equal(t, http.StatusOK, code)
}

func TestGetElection_NotFound(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)(nil), sql.ErrNoRows)

	path := baseUri + "election/1"
	code, _, _ := server.get(t, path)

	assert.Equal(t, http.StatusNotFound, code)
}