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i2c: increase test coverage for bme280 and bmp280 

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-03 20:58:31 +02:00
parent 49ce0eb71f
commit 083bf23f5b
1 changed files with 38 additions and 0 deletions
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38
drivers/i2c/bme280_driver_test.go
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@ -90,6 +90,44 @@ func TestBME280DriverMeasurements(t *testing.T) {
gobottest.Assert(t, hum, float32(51.20179))
}
func TestBME280DriverInitH1Error(t *testing.T) {
bme280, adaptor := initTestBME280DriverWithStubbedAdaptor()
adaptor.i2cReadImpl = func(b []byte) (int, error) {
buf := new(bytes.Buffer)
// Values produced by dumping data from actual sensor
if adaptor.written[len(adaptor.written)-1] == bmp280RegisterCalib00 {
buf.Write([]byte{126, 109, 214, 102, 50, 0, 54, 149, 220, 213, 208, 11, 64, 30, 166, 255, 249, 255, 172, 38, 10, 216, 189, 16})
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterCalibDigH1 {
return 0, errors.New("h1 read error")
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterCalibDigH2LSB {
buf.Write([]byte{112, 1, 0, 19, 1, 0, 30})
}
copy(b, buf.Bytes())
return buf.Len(), nil
}
gobottest.Assert(t, bme280.Start(), errors.New("h1 read error"))
}
func TestBME280DriverInitH2Error(t *testing.T) {
bme280, adaptor := initTestBME280DriverWithStubbedAdaptor()
adaptor.i2cReadImpl = func(b []byte) (int, error) {
buf := new(bytes.Buffer)
// Values produced by dumping data from actual sensor
if adaptor.written[len(adaptor.written)-1] == bmp280RegisterCalib00 {
buf.Write([]byte{126, 109, 214, 102, 50, 0, 54, 149, 220, 213, 208, 11, 64, 30, 166, 255, 249, 255, 172, 38, 10, 216, 189, 16})
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterCalibDigH1 {
buf.Write([]byte{75})
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterCalibDigH2LSB {
return 0, errors.New("h2 read error")
}
copy(b, buf.Bytes())
return buf.Len(), nil
}
gobottest.Assert(t, bme280.Start(), errors.New("h2 read error"))
}
func TestBME280DriverHumidityWriteError(t *testing.T) {
bme280, adaptor := initTestBME280DriverWithStubbedAdaptor()
bme280.Start()