testhub/main_test.go
2022-05-25 19:24:12 +02:00

133 lines
2.6 KiB
Go

package main
import (
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"reflect"
"testing"
"git.andreafazzi.eu/andrea/testhub/models"
"github.com/remogatto/prettytest"
)
// Start of setup
type testSuite struct {
prettytest.Suite
}
type StubPlayerStore struct {
scores map[string]int
winCalls []string
league []models.Player
}
func (store *StubPlayerStore) GetPlayerScore(player string) int {
return store.scores[player]
}
func (s *StubPlayerStore) RecordWin(name string) {
s.winCalls = append(s.winCalls, name)
}
func (store *StubPlayerStore) GetLeague() []models.Player {
return store.league
}
func TestRunner(t *testing.T) {
prettytest.Run(
t,
new(testSuite),
)
}
func (t *testSuite) TestGETPlayers() {
tests := []struct {
name string
expectedScore string
expectedHTTPStatus int
}{
{"Pepper", "20", http.StatusOK},
{"Floyd", "10", http.StatusOK},
{"Apollo", "0", http.StatusNotFound},
}
store := &StubPlayerStore{
map[string]int{
"Pepper": 20,
"Floyd": 10,
},
nil,
[]models.Player{},
}
server := NewPlayerServer(store)
for _, test := range tests {
request, _ := http.NewRequest(http.MethodGet, "/players/"+test.name, nil)
response := httptest.NewRecorder()
server.ServeHTTP(response, request)
t.Equal(test.expectedScore, response.Body.String())
t.Equal(test.expectedHTTPStatus, response.Code)
}
}
func (t *testSuite) TestPOSTPlayers() {
store := &StubPlayerStore{
map[string]int{},
nil,
[]models.Player{},
}
server := NewPlayerServer(store)
request, _ := http.NewRequest(http.MethodPost, "/players/Pepper", nil)
response := httptest.NewRecorder()
server.ServeHTTP(response, request)
t.Equal(1, len(store.winCalls))
t.Equal(http.StatusAccepted, response.Code)
}
func (t *testSuite) TestGETLeague() {
expectedResult := []models.Player{
{Name: "Cleo", Wins: 20},
{Name: "Chris", Wins: 10},
}
store := &StubPlayerStore{
nil,
nil,
expectedResult,
}
server := NewPlayerServer(store)
request, _ := http.NewRequest(http.MethodGet, "/league", nil)
response := httptest.NewRecorder()
server.ServeHTTP(response, request)
result := getLeagueFromResponse(response.Body)
t.True(leaguesAreEqual(expectedResult, result))
t.Equal(http.StatusOK, response.Code)
}
func getLeagueFromResponse(body io.Reader) (league []models.Player) {
err := json.NewDecoder(body).Decode(&league)
if err != nil {
panic(fmt.Errorf("Unable to parse response from server %q into slice of Player, '%v'", body, err))
}
return
}
func leaguesAreEqual(got, want []models.Player) bool {
return reflect.DeepEqual(got, want)
}