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49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
package sysfs
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import (
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"testing"
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"github.com/hybridgroup/gobot"
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)
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func TestDigitalPin(t *testing.T) {
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fs := NewMockFilesystem([]string{
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"/sys/class/gpio/export",
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"/sys/class/gpio/unexport",
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"/sys/class/gpio/gpio10/value",
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"/sys/class/gpio/gpio10/direction",
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})
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SetFilesystem(fs)
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pin := NewDigitalPin(10, "custom").(*digitalPin)
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gobot.Assert(t, pin.pin, "10")
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gobot.Assert(t, pin.label, "custom")
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pin = NewDigitalPin(10).(*digitalPin)
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gobot.Assert(t, pin.label, "gpio10")
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pin.Unexport()
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gobot.Assert(t, fs.Files["/sys/class/gpio/unexport"].Contents, "10")
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pin.Export()
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gobot.Assert(t, fs.Files["/sys/class/gpio/unexport"].Contents, "10")
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pin.Write(1)
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gobot.Assert(t, fs.Files["/sys/class/gpio/gpio10/value"].Contents, "1")
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pin.Direction(IN)
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gobot.Assert(t, fs.Files["/sys/class/gpio/gpio10/direction"].Contents, "in")
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data, _ := pin.Read()
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gobot.Assert(t, 1, data)
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pin2 := NewDigitalPin(30, "custom")
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err := pin2.Write(1)
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gobot.Refute(t, err, nil)
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data, err = pin2.Read()
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gobot.Refute(t, err, nil)
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gobot.Assert(t, data, 0)
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}
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