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i2c: add test coverage for bmp280

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-01 13:21:38 +02:00
parent 821fbf272e
commit e14bfb726f
1 changed files with 25 additions and 1 deletions
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26
drivers/i2c/bmp280_driver_test.go
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@ -1,6 +1,7 @@
package i2c
import (
"bytes"
"testing"
"gobot.io/x/gobot"
@ -49,7 +50,30 @@ func TestBMP280DriverHalt(t *testing.T) {
// TODO: implement test
func TestBMP280DriverMeasurements(t *testing.T) {
bmp280, adaptor := initTestBMP280DriverWithStubbedAdaptor()
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] == bmp280RegisterTempData {
buf.Write([]byte{128, 243, 0})
} else if adaptor.written[len(adaptor.written)-1] == bmp280RegisterPressureData {
buf.Write([]byte{77, 23, 48})
}
copy(b, buf.Bytes())
return buf.Len(), nil
}
bmp280.Start()
temp, err := bmp280.Temperature()
gobottest.Assert(t, err, nil)
gobottest.Assert(t, temp, float32(25.014637))
pressure, err := bmp280.Pressure()
gobottest.Assert(t, err, nil)
gobottest.Assert(t, pressure, float32(99545.414))
alt, err := bmp280.Altitude()
gobottest.Assert(t, err, nil)
gobottest.Assert(t, alt, float32(149.22713))
}
func TestBMP280DriverSetName(t *testing.T) {