hybridgroup.gobot/drivers/i2c/ina3221_driver_test.go

58 lines
1.4 KiB
Go

package i2c
import (
"testing"
"errors"
"gobot.io/x/gobot"
"gobot.io/x/gobot/gobottest"
)
var _ gobot.Driver = (*INA3221Driver)(nil)
func initTestINA3221Driver() *INA3221Driver {
d, _ := initTestINA3221DriverWithStubbedAdaptor()
return d
}
func initTestINA3221DriverWithStubbedAdaptor() (*INA3221Driver, *i2cTestAdaptor) {
a := newI2cTestAdaptor()
return NewINA3221Driver(a), a
}
func TestNewINA3221Driver(t *testing.T) {
var d interface{} = NewINA3221Driver(newI2cTestAdaptor())
if _, ok := d.(*INA3221Driver); !ok {
t.Error("NewINA3221Driver() should return a *INA3221Driver")
}
}
func TestINA3221Driver_Connection(t *testing.T) {
d := initTestINA3221Driver()
gobottest.Refute(t, d.Connection(), nil)
}
func TestINA3221Driver_Start(t *testing.T) {
d := initTestINA3221Driver()
gobottest.Assert(t, d.Start(), nil)
}
func TestINA3221Driver_ConnectError(t *testing.T) {
d, a := initTestINA3221DriverWithStubbedAdaptor()
a.Testi2cConnectErr(true)
gobottest.Assert(t, d.Start(), errors.New("Invalid i2c connection"))
}
func TestINA3221Driver_StartWriteError(t *testing.T) {
d, a := initTestINA3221DriverWithStubbedAdaptor()
a.i2cWriteImpl = func([]byte) (int, error) {
return 0, errors.New("write error")
}
gobottest.Assert(t, d.Start(), errors.New("write error"))
}
func TestINA3221Driver_Halt(t *testing.T) {
d := initTestINA3221Driver()
gobottest.Assert(t, d.Halt(), nil)
}