update mock and add register sensor test

Makefile

@@ -28,7 +28,7 @@ migrateup:
 .PHONY: mock
 # Mock database
 mock:
-	go run go.uber.org/mock/mockgen@latest -package mock -destination internal/domains/sensors/mock/querier.go $(MOD_NAME)/internal/domains/sensors Repository 
+	go run go.uber.org/mock/mockgen@latest -package sensors -destination internal/domains/sensors/repository_mock.go $(MOD_NAME)/internal/domains/sensors Repository 
 	
 .PHONY: test
 # Run tests
@@ -48,6 +48,7 @@ run-prod:
 .PHONY: lazy-start
 lazy-start:
 # Install dependencies, tools, dockerize containers, run tests and run app.
+	go mod download
 	make dockerize-db
 	make dockerize-nats
 	make run-prod

internal/domains/sensors/repository_mock.go

@@ -3,14 +3,13 @@
 //
 // Generated by this command:
 //
-//	mockgen -package mock -destination internal/domains/sensors/mock/querier.go nats-app/internal/domains/sensors Repository
+//	mockgen -package sensors -destination internal/domains/sensors/repository_mock.go nats-app/internal/domains/sensors Repository
 //
 
-// Package mock is a generated GoMock package.
+// Package sensors is a generated GoMock package.
-package mock
+package sensors
 
 import (
-	sensors "nats-app/internal/domains/sensors"
 	reflect "reflect"
 	time "time"
 
@@ -42,7 +41,7 @@ func (m *MockRepository) EXPECT() *MockRepositoryMockRecorder {
 }
 
 // CreateSensor mocks base method.
-func (m *MockRepository) CreateSensor(s sensors.Sensor) error {
+func (m *MockRepository) CreateSensor(s Sensor) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CreateSensor", s)
 	ret0, _ := ret[0].(error)
@@ -55,11 +54,25 @@ func (mr *MockRepositoryMockRecorder) CreateSensor(s any) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateSensor", reflect.TypeOf((*MockRepository)(nil).CreateSensor), s)
 }
 
+// CreateSensorData mocks base method.
+func (m *MockRepository) CreateSensorData(data SensorData) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateSensorData", data)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CreateSensorData indicates an expected call of CreateSensorData.
+func (mr *MockRepositoryMockRecorder) CreateSensorData(data any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateSensorData", reflect.TypeOf((*MockRepository)(nil).CreateSensorData), data)
+}
+
 // ReadAllSensors mocks base method.
-func (m *MockRepository) ReadAllSensors() ([]sensors.Sensor, error) {
+func (m *MockRepository) ReadAllSensors() ([]Sensor, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ReadAllSensors")
-	ret0, _ := ret[0].([]sensors.Sensor)
+	ret0, _ := ret[0].([]Sensor)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
@@ -71,10 +84,10 @@ func (mr *MockRepositoryMockRecorder) ReadAllSensors() *gomock.Call {
 }
 
 // ReadSensor mocks base method.
-func (m *MockRepository) ReadSensor(sensorID string) (sensors.Sensor, error) {
+func (m *MockRepository) ReadSensor(sensorID string) (Sensor, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ReadSensor", sensorID)
-	ret0, _ := ret[0].(sensors.Sensor)
+	ret0, _ := ret[0].(Sensor)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
@@ -86,10 +99,10 @@ func (mr *MockRepositoryMockRecorder) ReadSensor(sensorID any) *gomock.Call {
 }
 
 // ReadSensorValues mocks base method.
-func (m *MockRepository) ReadSensorValues(sensorID string, from, to time.Time) ([]sensors.SensorData, error) {
+func (m *MockRepository) ReadSensorValues(sensorID string, from, to time.Time) ([]SensorData, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ReadSensorValues", sensorID, from, to)
-	ret0, _ := ret[0].([]sensors.SensorData)
+	ret0, _ := ret[0].([]SensorData)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
@@ -101,7 +114,7 @@ func (mr *MockRepositoryMockRecorder) ReadSensorValues(sensorID, from, to any) *
 }
 
 // UpdateSensor mocks base method.
-func (m *MockRepository) UpdateSensor(s sensors.Sensor) error {
+func (m *MockRepository) UpdateSensor(s Sensor) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "UpdateSensor", s)
 	ret0, _ := ret[0].(error)

internal/domains/sensors/service_test.go

@@ -0,0 +1,79 @@
+package sensors
+
+import (
+	"testing"
+	"time"
+
+	"go.uber.org/mock/gomock"
+)
+
+func setup(t *testing.T) (*Service, *MockRepository) {
+	ctrl := gomock.NewController(t)
+	q := NewMockRepository(ctrl)
+	s := NewService(q)
+	return s, q
+}
+
+func Test_RegisterSensor(t *testing.T) {
+	type testCase struct {
+		name      string
+		given     Sensor
+		setupMock func(q *MockRepository, params Sensor)
+		expecErr  bool
+	}
+
+	tests := []testCase{
+		{
+			name: "success - registers new sensor",
+			given: Sensor{
+				SensorID:         "temp-001",
+				SensorType:       Temperature,
+				SamplingInterval: ptr(time.Minute),
+				ThresholdAbove:   ptr(100.0),
+				ThresholdBelow:   ptr(0.0),
+			},
+			setupMock: func(q *MockRepository, params Sensor) {
+				q.EXPECT().CreateSensor(params).Return(nil)
+			},
+			expecErr: false,
+		},
+		{
+			name: "error - sensor already exists",
+			given: Sensor{
+				SensorID:         "temp-001",
+				SensorType:       Temperature,
+				SamplingInterval: ptr(time.Minute),
+				ThresholdAbove:   ptr(100.0),
+				ThresholdBelow:   ptr(0.0),
+			},
+			setupMock: func(q *MockRepository, params Sensor) {
+				q.EXPECT().CreateSensor(params).Return(ErrSensorAlreadyExists)
+			},
+			expecErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			s, q := setup(t)
+
+			tt.setupMock(q, tt.given)
+
+			err := s.RegisterSensor(tt.given)
+
+			if tt.expecErr && err == nil {
+				t.Error("expected error, got nil")
+				return
+			}
+
+			if !tt.expecErr && err != nil {
+				t.Errorf("expected no error, got %v", err)
+				return
+			}
+
+			if tt.expecErr && err != ErrSensorAlreadyExists {
+				t.Errorf("expected ErrSensorAlreadyExists, got %v", err)
+			}
+		})
+	}
+}