test: add essential unit tests for core functionality (resolve #6)

mocks/heartbeat_service.go

@@ -0,0 +1,31 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+	"time"
+)
+
+type HeartbeatServiceMock struct {
+	mock.Mock
+}
+
+func (m *HeartbeatServiceMock) InsertBatch(heartbeats []*models.Heartbeat) error {
+	args := m.Called(heartbeats)
+	return args.Error(0)
+}
+
+func (m *HeartbeatServiceMock) GetAllWithin(time time.Time, time2 time.Time, user *models.User) ([]*models.Heartbeat, error) {
+	args := m.Called(time, time2, user)
+	return args.Get(0).([]*models.Heartbeat), args.Error(1)
+}
+
+func (m *HeartbeatServiceMock) GetFirstByUsers() ([]*models.TimeByUser, error) {
+	args := m.Called()
+	return args.Get(0).([]*models.TimeByUser), args.Error(1)
+}
+
+func (m *HeartbeatServiceMock) DeleteBefore(time time.Time) error {
+	args := m.Called(time)
+	return args.Error(0)
+}