104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
//nolint:forcetypeassert // ok here
|
|
package system
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func Test_isSupportedSysfs(t *testing.T) {
|
|
// arrange
|
|
dpa := sysfsDigitalPinAccess{}
|
|
// act
|
|
got := dpa.isSupported()
|
|
// assert
|
|
assert.True(t, got)
|
|
}
|
|
|
|
func Test_isSupportedGpiod(t *testing.T) {
|
|
tests := map[string]struct {
|
|
mockPaths []string
|
|
want bool
|
|
}{
|
|
"supported": {
|
|
mockPaths: []string{"/sys/class/gpio/", "/dev/gpiochip3"},
|
|
want: true,
|
|
},
|
|
"not_supported": {
|
|
mockPaths: []string{"/sys/class/gpio/"},
|
|
want: false,
|
|
},
|
|
}
|
|
for name, tc := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
// arrange
|
|
fs := newMockFilesystem(tc.mockPaths)
|
|
dpa := gpiodDigitalPinAccess{fs: fs}
|
|
// act
|
|
got := dpa.isSupported()
|
|
// assert
|
|
assert.Equal(t, tc.want, got)
|
|
})
|
|
}
|
|
}
|
|
|
|
func Test_createAsSysfs(t *testing.T) {
|
|
// arrange
|
|
dpa := sysfsDigitalPinAccess{}
|
|
// act
|
|
dp := dpa.createPin("chip", 8)
|
|
// assert
|
|
assert.NotNil(t, dp)
|
|
dps := dp.(*digitalPinSysfs)
|
|
// chip is dropped
|
|
assert.Equal(t, "gpio8", dps.label)
|
|
}
|
|
|
|
func Test_createAsGpiod(t *testing.T) {
|
|
// arrange
|
|
const (
|
|
pin = 18
|
|
label = "gobotio18"
|
|
chip = "gpiochip1"
|
|
)
|
|
dpa := gpiodDigitalPinAccess{}
|
|
// act
|
|
dp := dpa.createPin(chip, 18)
|
|
// assert
|
|
assert.NotNil(t, dp)
|
|
dpg := dp.(*digitalPinGpiod)
|
|
assert.Equal(t, label, dpg.label)
|
|
assert.Equal(t, chip, dpg.chipName)
|
|
}
|
|
|
|
func Test_createPinWithOptionsSysfs(t *testing.T) {
|
|
// This is a general test, that options are applied by using "create" with the WithPinLabel() option.
|
|
// All other configuration options will be tested in tests for "digitalPinConfig".
|
|
//
|
|
// arrange
|
|
const label = "my sysfs label"
|
|
dpa := sysfsDigitalPinAccess{}
|
|
// act
|
|
dp := dpa.createPin("", 9, WithPinLabel(label))
|
|
dps := dp.(*digitalPinSysfs)
|
|
// assert
|
|
assert.Equal(t, label, dps.label)
|
|
}
|
|
|
|
func Test_createPinWithOptionsGpiod(t *testing.T) {
|
|
// This is a general test, that options are applied by using "create" with the WithPinLabel() option.
|
|
// All other configuration options will be tested in tests for "digitalPinConfig".
|
|
//
|
|
// arrange
|
|
const label = "my gpiod label"
|
|
dpa := gpiodDigitalPinAccess{}
|
|
// act
|
|
dp := dpa.createPin("", 19, WithPinLabel(label))
|
|
dpg := dp.(*digitalPinGpiod)
|
|
// assert
|
|
assert.Equal(t, label, dpg.label)
|
|
// test fallback for empty chip
|
|
assert.Equal(t, "gpiochip0", dpg.chipName)
|
|
}
|