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hybridgroup.gobot/drivers/aio/grove_temperature_sensor_driver_test.go
2024-02-13 10:33:46 +01:00

124 lines
3.7 KiB
Go

//nolint:forcetypeassert // ok here
package aio
import (
"fmt"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gobot.io/x/gobot/v2"
)
var _ gobot.Driver = (*GroveTemperatureSensorDriver)(nil)
func TestNewGroveTemperatureSensorDriver(t *testing.T) {
// arrange
const pin = "123"
a := newAioTestAdaptor()
// act
d := NewGroveTemperatureSensorDriver(a, pin)
// assert: driver attributes
assert.IsType(t, &GroveTemperatureSensorDriver{}, d)
assert.NotNil(t, d.driverCfg)
assert.True(t, strings.HasPrefix(d.Name(), "GroveTemperatureSensor"))
assert.Equal(t, a, d.Connection())
require.NoError(t, d.afterStart())
require.NoError(t, d.beforeHalt())
assert.NotNil(t, d.Commander)
assert.NotNil(t, d.mutex)
// assert: sensor attributes
assert.Equal(t, pin, d.Pin())
assert.InDelta(t, 0.0, d.lastValue, 0, 0)
assert.Equal(t, 0, d.lastRawValue)
assert.Nil(t, d.halt) // will be created on initialize, if cyclic reading is on
assert.NotNil(t, d.Eventer)
require.NotNil(t, d.sensorCfg)
assert.Equal(t, time.Duration(0), d.sensorCfg.readInterval)
assert.NotNil(t, d.sensorCfg.scale)
}
func TestNewGroveTemperatureSensorDriver_options(t *testing.T) {
// This is a general test, that options are applied in constructor by using the common WithName() option, least one
// option of this driver and one of another driver (which should lead to panic). Further tests for options can also
// be done by call of "WithOption(val).apply(cfg)".
// arrange
const (
myName = "inlet temperature"
cycReadDur = 10 * time.Millisecond
)
panicFunc := func() {
NewGroveTemperatureSensorDriver(newAioTestAdaptor(), "1", WithName("crazy"),
WithActuatorScaler(func(float64) int { return 0 }))
}
// act
d := NewGroveTemperatureSensorDriver(newAioTestAdaptor(), "1", WithName(myName), WithSensorCyclicRead(cycReadDur))
// assert
assert.Equal(t, cycReadDur, d.sensorCfg.readInterval)
assert.Equal(t, myName, d.Name())
assert.PanicsWithValue(t, "'scaler option for analog actuators' can not be applied on 'crazy'", panicFunc)
}
func TestGroveTemperatureSensorRead_scaler(t *testing.T) {
tests := map[string]struct {
input int
want float64
}{
"min": {input: 0, want: -273.15},
"nearMin": {input: 1, want: -76.96736464322436},
"T-25C": {input: 65, want: -25.064097201780044},
"T0C": {input: 233, want: -0.014379114122164083},
"T25C": {input: 511, want: 24.956285721537938},
"585": {input: 585, want: 31.61532462352477},
"nearMax": {input: 1022, want: 347.6819764792606},
"max": {input: 1023, want: 347.77682140097613},
"biggerThanMax": {input: 5000, want: 347.77682140097613},
}
a := newAioTestAdaptor()
d := NewGroveTemperatureSensorDriver(a, "54")
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
// arrange
a.analogReadFunc = func() (int, error) {
return tc.input, nil
}
// act
got, err := d.Read()
// assert
require.NoError(t, err)
assert.InDelta(t, tc.want, got, 0.0)
})
}
}
func TestGroveTemperatureSensor_publishesTemperatureInCelsius(t *testing.T) {
// arrange
sem := make(chan bool)
a := newAioTestAdaptor()
d := NewGroveTemperatureSensorDriver(a, "1", WithSensorCyclicRead(10*time.Millisecond))
a.analogReadFunc = func() (int, error) {
return 585, nil
}
// act: start cyclic reading
require.NoError(t, d.Start())
_ = d.Once(d.Event(Value), func(data interface{}) {
assert.Equal(t, "31.62", fmt.Sprintf("%.2f", data.(float64)))
sem <- true
})
// assert: value was published
select {
case <-sem:
case <-time.After(1 * time.Second):
require.Fail(t, "Grove Temperature Sensor Event \"Value\" was not published")
}
assert.InDelta(t, 31.61532462352477, d.Temperature(), 0.0)
}