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i2c: add test coverage for bme280 

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-01 13:46:37 +02:00
parent e14bfb726f
commit 3d7bf12156
3 changed files with 23 additions and 8 deletions
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25
drivers/i2c/bme280_driver_test.go
View File

@ -1,6 +1,7 @@
package i2c
import (
"bytes"
"testing"
"gobot.io/x/gobot"
@ -47,9 +48,29 @@ func TestBME280DriverHalt(t *testing.T) {
gobottest.Assert(t, bme280.Halt(), nil)
}
// TODO: implement test
func TestBME280DriverMeasurements(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{111, 83})
}
copy(b, buf.Bytes())
return buf.Len(), nil
}
bme280.Start()
hum, err := bme280.Humidity()
gobottest.Assert(t, err, nil)
gobottest.Assert(t, hum, float32(51.20179))
}
func TestBME280DriverSetName(t *testing.T) {

5
drivers/i2c/bmp280_driver.go
View File

@ -140,8 +140,6 @@ func (d *BMP280Driver) Altitude() (alt float32, err error) {
// initialization reads the calibration coefficients.
func (d *BMP280Driver) initialization() (err error) {
// TODO: set sleep mode here...
var coefficients []byte
if coefficients, err = d.read(bmp280RegisterCalib00, 24); err != nil {
return err
@ -162,9 +160,6 @@ func (d *BMP280Driver) initialization() (err error) {
d.connection.WriteByteData(bmp280RegisterControl, 0x3F)
// TODO: set usage mode here...
// TODO: set default sea level here
return nil
}

1
drivers/i2c/bmp280_driver_test.go
View File

@ -48,7 +48,6 @@ func TestBMP280DriverHalt(t *testing.T) {
gobottest.Assert(t, bmp280.Halt(), nil)
}
// TODO: implement test
func TestBMP280DriverMeasurements(t *testing.T) {
bmp280, adaptor := initTestBMP280DriverWithStubbedAdaptor()
adaptor.i2cReadImpl = func(b []byte) (int, error) {