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39 lines
935 B
Go
39 lines
935 B
Go
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package raspi
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import (
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"testing"
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"gobot.io/x/gobot/gobottest"
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"gobot.io/x/gobot/sysfs"
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)
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var _ sysfs.PWMPinner = (*PWMPin)(nil)
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func TestPwmPin(t *testing.T) {
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pin := NewPWMPin("1")
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gobottest.Assert(t, pin.Export(), nil)
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gobottest.Assert(t, pin.Enable(true), nil)
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val, _ := pin.Polarity()
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gobottest.Assert(t, val, "normal")
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gobottest.Assert(t, pin.InvertPolarity(true), nil)
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val, _ = pin.Polarity()
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gobottest.Assert(t, val, "normal")
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period, _ := pin.Period()
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gobottest.Assert(t, period, uint32(10000000))
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gobottest.Assert(t, pin.SetPeriod(1000), nil)
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period, _ = pin.Period()
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gobottest.Assert(t, period, uint32(10000000))
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dc, _ := pin.DutyCycle()
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gobottest.Assert(t, dc, uint32(0))
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// call currently fails in test
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gobottest.Refute(t, pin.SetDutyCycle(10000), nil)
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dc, _ = pin.DutyCycle()
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gobottest.Assert(t, dc, uint32(10000))
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// call currently fails in test
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gobottest.Refute(t, pin.Unexport(), nil)
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}
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