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i2c: increase test coverage for bme280 

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-03 21:16:38 +02:00
parent 083bf23f5b
commit 34eae7f559
1 changed files with 25 additions and 0 deletions
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25
drivers/i2c/bme280_driver_test.go
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@ -152,6 +152,31 @@ func TestBME280DriverHumidityReadError(t *testing.T) {
gobottest.Assert(t, hum, float32(0.0))
}
func TestBME280DriverHumidityNotEnabled(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] == bmp280RegisterTempData {
buf.Write([]byte{129, 0, 0})
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterCalibDigH2LSB {
buf.Write([]byte{112, 1, 0, 19, 1, 0, 30})
} else if adaptor.written[len(adaptor.written)-1] == bme280RegisterHumidityMSB {
buf.Write([]byte{0x80, 0x00})
}
copy(b, buf.Bytes())
return buf.Len(), nil
}
bme280.Start()
hum, err := bme280.Humidity()
gobottest.Assert(t, err, errors.New("Humidity disabled"))
gobottest.Assert(t, hum, float32(0.0))
}
func TestBME280DriverSetName(t *testing.T) {
b := initTestBME280Driver()
b.SetName("TESTME")