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i2c: increase test coverage for tsl2561

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-07 17:28:59 +02:00
parent acbc561773
commit 6be8bd0b2a
1 changed files with 41 additions and 0 deletions
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41
drivers/i2c/tsl2561_driver_test.go
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@ -153,3 +153,44 @@ func TestTSL2561DriverGetLuminocity(t *testing.T) {
gobottest.Assert(t, ir, uint16(12365))
gobottest.Assert(t, d.CalculateLux(bb, ir), uint32(72))
}
func TestTSL2561DriverGetLuminocityAutoGain(t *testing.T) {
adaptor := newI2cTestAdaptor()
d := NewTSL2561Driver(adaptor,
WithTSL2561IntegrationTime402MS,
WithAddress(TSL2561AddressLow),
WithTSL2561AutoGain)
// TODO: obtain real sensor data here for testing
adaptor.i2cReadImpl = func(b []byte) (int, error) {
buf := new(bytes.Buffer)
buf.Write([]byte{77, 48})
copy(b, buf.Bytes())
return buf.Len(), nil
}
d.Start()
bb, ir, err := d.GetLuminocity()
gobottest.Assert(t, err, nil)
gobottest.Assert(t, bb, uint16(12365))
gobottest.Assert(t, ir, uint16(12365))
gobottest.Assert(t, d.CalculateLux(bb, ir), uint32(72))
}
func TestTSL2561SetIntegrationTimeError(t *testing.T) {
d, adaptor := initTestTSL2561Driver()
d.Start()
adaptor.i2cWriteImpl = func([]byte) (int, error) {
return 0, errors.New("write error")
}
gobottest.Assert(t, d.SetIntegrationTime(TSL2561IntegrationTime101MS), errors.New("write error"))
}
func TestTSL2561SetGainError(t *testing.T) {
d, adaptor := initTestTSL2561Driver()
d.Start()
adaptor.i2cWriteImpl = func([]byte) (int, error) {
return 0, errors.New("write error")
}
gobottest.Assert(t, d.SetGain(TSL2561Gain16X), errors.New("write error"))
}