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milkvduo_test.go
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milkvduo_test.go
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package milkvduo
import (
"reflect"
"testing"
)
func TestPinLineID(t *testing.T) {
tests := []struct {
name string
input string
expectedLineID LineID
expectedError error
}{
{
name: "Valid input",
input: "GPIOA14",
expectedLineID: LineID{Chip: "gpiochip0", Offset: 14},
expectedError: nil,
},
{
name: "Invalid input - no match",
input: "invalid",
expectedLineID: LineID{},
expectedError: ErrInvalid,
},
{
name: "Invalid input - unknown GPIO chip",
input: "GPIOH1",
expectedLineID: LineID{},
expectedError: ErrInvalid,
},
{
name: "Invalid input - invalid offset",
input: "GPIO_100",
expectedLineID: LineID{},
expectedError: ErrInvalid,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
lineID, err := PinLineID(tt.input)
if !reflect.DeepEqual(lineID, tt.expectedLineID) {
t.Errorf("got %v, want %v", lineID, tt.expectedLineID)
}
if err != tt.expectedError {
t.Errorf("got %v, want %v", err, tt.expectedError)
}
})
}
}