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47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package spi
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"gobot.io/x/gobot/v2"
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)
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// this ensures that the implementation is based on spi.Driver, which implements the gobot.Driver
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// and tests all implementations, so no further tests needed here for gobot.Driver interface
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var _ gobot.Driver = (*MFRC522Driver)(nil)
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func initTestMFRC522DriverWithStubbedAdaptor() (*MFRC522Driver, *spiTestAdaptor) {
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a := newSpiTestAdaptor()
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d := NewMFRC522Driver(a)
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if err := d.Start(); err != nil {
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panic(err)
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}
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// reset the written bytes during Start()
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a.spi.Reset()
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return d, a
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}
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func TestNewMFRC522Driver(t *testing.T) {
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var di interface{} = NewMFRC522Driver(newSpiTestAdaptor())
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d, ok := di.(*MFRC522Driver)
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if !ok {
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require.Fail(t, "NewMFRC522Driver() should have returned a *MFRC522Driver")
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}
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assert.NotNil(t, d.Driver)
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assert.True(t, strings.HasPrefix(d.Name(), "MFRC522"))
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}
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func TestMFRC522WriteByteData(t *testing.T) {
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// arrange
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d, a := initTestMFRC522DriverWithStubbedAdaptor()
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// act
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err := d.connection.WriteByteData(0x00, 0x00)
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// assert
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require.NoError(t, err)
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assert.Equal(t, []byte{0x00, 0x00}, a.spi.Written())
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}
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