add test for sensor data validate

Makefile

@@ -30,6 +30,10 @@ migrateup:
 mock:
 	go run go.uber.org/mock/mockgen@latest -package mock -destination internal/domains/sensors/mock/querier.go $(MOD_NAME)/internal/domains/sensors Repository 
 	
+.PHONY: test
+# Run tests
+tests:
+	go test ./...
 
 .PHONY: run
 # Start app in development environment

README.md

@@ -3,6 +3,11 @@
 Lectura de datos de sensores en un dispositivo IoT. Prueba técnica para optar
 por el puesto de programador Go.
 
+## TL:DR
+
+- make lazy-start
+- abre terminal y escribe: `nats sub sensors.data.*`
+
 ## Requisitos previos
 
 - Docker
@@ -47,7 +52,8 @@ por el puesto de programador Go.
 ### Obtener valores de un sensor
 
 - Campo obligatorio: `sensor_id`.
-- Campos opcionales: `from` y `to` en formato RFC3339. Si no se especifican, se toman los últimos 7 días.
+- Campos opcionales: `from` y `to` en formato RFC3339. Si no se especifican, 
+se toman los últimos 7 días.
 
 `nats req sensors.values.get '{
   "sensor_id": "sensor-001",

app/database/001_sensors.up.sql

@@ -35,3 +35,12 @@ create table registry
         timescaledb.partition_column = 'created_at',
         timescaledb.segmentby = 'sensor_id'
         );
+
+insert into sensors (sensor_id, sensor_type, sampling_interval, threshold_above, threshold_below)
+values
+    ('temp-001', 'temperature', 10, 100, 0),
+    ('hum-001', 'humidity', 15, 80, 20),
+    ('co2-001', 'carbon_dioxide', 20, 1000, 400),
+    ('pres-001', 'pressure', 30, 1050, 950),
+    ('prox-001', 'proximity', 5, 200, 0),
+    ('light-001', 'light', 10, 10000, 0);

internal/domains/sensors/domain_test.go

@@ -195,6 +195,136 @@ func Test_SensorValidate(t *testing.T) {
 	}
 }
 
+func Test_SensorData_Validate(t *testing.T) {
+	type testCase struct {
+		name     string
+		given    SensorData
+		expected SensorData
+		expecErr bool
+	}
+
+	timestamp := time.Now()
+
+	tests := []testCase{
+		{
+			name: "success with all fields",
+			given: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(25.5),
+				Timestamp: ptr(timestamp),
+			},
+			expected: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(25.5),
+				Timestamp: ptr(timestamp),
+			},
+			expecErr: false,
+		},
+		{
+			name: "error when sensor_id is empty",
+			given: SensorData{
+				SensorID: "",
+				Value:    ptr(25.5),
+			},
+			expecErr: true,
+		},
+		{
+			name: "error when value is nil",
+			given: SensorData{
+				SensorID: "temp-001",
+				Value:    nil,
+			},
+			expecErr: true,
+		},
+		{
+			name: "default timestamp when nil",
+			given: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(30.0),
+				Timestamp: nil,
+			},
+			expected: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(30.0),
+				Timestamp: nil, // Will be set by Validate
+			},
+			expecErr: false,
+		},
+		{
+			name: "zero value is preserved",
+			given: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(0.0),
+				Timestamp: ptr(timestamp),
+			},
+			expected: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(0.0),
+				Timestamp: ptr(timestamp),
+			},
+			expecErr: false,
+		},
+		{
+			name: "negative value is valid",
+			given: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(-15.5),
+				Timestamp: ptr(timestamp),
+			},
+			expected: SensorData{
+				SensorID:  "temp-001",
+				Value:     ptr(-15.5),
+				Timestamp: ptr(timestamp),
+			},
+			expecErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.given.Validate()
+
+			if tt.expecErr && err == nil {
+				t.Errorf("expected error, got nil")
+				return
+			}
+
+			if !tt.expecErr && err != nil {
+				t.Errorf("unexpected error: %v", err)
+				return
+			}
+
+			if tt.expecErr {
+				return
+			}
+
+			if tt.given.SensorID != tt.expected.SensorID {
+				t.Errorf("SensorID: expected %q, got %q", tt.expected.SensorID, tt.given.SensorID)
+			}
+
+			if tt.given.Value == nil || tt.expected.Value == nil {
+				if tt.given.Value != tt.expected.Value {
+					t.Errorf("Value: expected %v, got %v", tt.expected.Value, tt.given.Value)
+				}
+			} else if *tt.given.Value != *tt.expected.Value {
+				t.Errorf("Value: expected %v, got %v", *tt.expected.Value, *tt.given.Value)
+			}
+
+			if tt.expected.Timestamp == nil && tt.given.Timestamp != nil {
+				if time.Since(*tt.given.Timestamp) > time.Minute {
+					t.Errorf("Timestamp: expected default to be approximately now, got %v", *tt.given.Timestamp)
+				}
+			} else if tt.given.Timestamp == nil || tt.expected.Timestamp == nil {
+				if tt.given.Timestamp != tt.expected.Timestamp {
+					t.Errorf("Timestamp: expected %v, got %v", tt.expected.Timestamp, tt.given.Timestamp)
+				}
+			} else if !tt.given.Timestamp.Equal(*tt.expected.Timestamp) {
+				t.Errorf("Timestamp: expected %v, got %v", *tt.expected.Timestamp, *tt.given.Timestamp)
+			}
+		})
+	}
+}
+
 func Test_SensorData_IsOutOfRangeAbove(t *testing.T) {
 	type testCase struct {
 		name     string
@@ -256,6 +386,16 @@ func Test_SensorData_IsOutOfRangeAbove(t *testing.T) {
 			},
 			expected: true,
 		},
+		{
+			name: "nil values",
+			data: SensorData{
+				SensorID: "temp-001",
+			},
+			sensor: Sensor{
+				SensorID: "temp-001",
+			},
+			expected: false,
+		},
 	}
 
 	for _, tt := range tests {
@@ -343,6 +483,16 @@ func Test_SensorData_IsOutOfRangeBelow(t *testing.T) {
 			},
 			expected: true,
 		},
+		{
+			name: "nil values",
+			data: SensorData{
+				SensorID: "temp-001",
+			},
+			sensor: Sensor{
+				SensorID: "temp-001",
+			},
+			expected: false,
+		},
 	}
 
 	for _, tt := range tests {