136 lines
2.9 KiB
Go
136 lines
2.9 KiB
Go
package cli
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import (
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"fmt"
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"testing"
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)
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func TestOneOptWithEqual(t *testing.T) {
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var cli CliParser
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var color string
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// Always recover from panic to return error before adding options
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defer func() {
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if r := recover(); r != nil {
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if err := r.(error); err != nil {
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t.Error(err)
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}
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}
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}()
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// Define options
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cli.AddStringOpt("color", "c", &color, "white", "Set color")
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args := []string{
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"TestOneOptWithEqual",
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"--color=blue",
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}
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cli.Init(args, "1.0.0", "TestOneOptWithEqual description")
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if err := cli.Parse(); err != nil {
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t.Error(err)
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} else if color != "blue" {
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t.Errorf("Expected color blue, got %q", color)
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}
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}
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func addBoxOption(cli *CliParser, boxPtr *[]int) {
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// Define options
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optRef := cli.AddIntArrayOpt("box", "b", boxPtr, []int{1, 2, 3, 4}, "Box spec: Left,Width,Top,Height; provide 4 int values")
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optRef.OnFinalCheck(func(currentValue any) (err error) {
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if array, ok := currentValue.([]int); ok {
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if len(array) != 4 {
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err = fmt.Errorf("--box option requires exactly 4 items, %d provided", len(array))
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}
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} else {
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err = fmt.Errorf("wrong datatype for --box option value")
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}
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return
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})
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}
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func testIntArrayOptOk(t *testing.T, n int, args []string) {
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var box []int
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var cli CliParser
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t.Logf("Arg set n. %d", n)
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addBoxOption(&cli, &box)
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cli.Init(args, "1.0.0", "TestIntArrayOpt description")
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if err := cli.Parse(); err != nil {
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t.Error(err)
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} else if len(box) != 4 {
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t.Errorf(`Expected 4 items, got %d`, len(box))
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}
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}
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func testIntArrayOptKo(t *testing.T, n int, args []string, msg string) {
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var box []int
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var cli CliParser
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t.Logf("Arg set n. %d", n)
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addBoxOption(&cli, &box)
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cli.Init(args, "1.0.0", "TestIntArrayOpt description")
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if err := cli.Parse(); err == nil {
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t.Errorf("Expected error, got nil")
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} else if err.Error() != msg {
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t.Errorf(`Invalid error: %q; expected: %q`, err.Error(), msg)
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}
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}
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func TestIntArrayOpt(t *testing.T) {
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var args []string
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// Always recover from panic to return error before adding options
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defer func() {
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if r := recover(); r != nil {
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if err := r.(error); err != nil {
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t.Error(err)
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}
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}
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}()
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n := 0
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box=100,200,150,450",
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}
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testIntArrayOptOk(t, n, args)
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box=100,200,150",
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}
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testIntArrayOptKo(t, n, args, "--box option requires exactly 4 items, 3 provided")
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box", "100,200,150,450",
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}
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testIntArrayOptOk(t, n, args)
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box",
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}
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testIntArrayOptKo(t, n, args, `option "box" requires a value`)
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box", "100,200,150",
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"--box", "450",
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}
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testIntArrayOptOk(t, n, args)
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n++
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args = []string{
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"TestIntArrayOpt",
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"--box", "100,200,150",
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"--box", "450,12",
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}
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testIntArrayOptKo(t, n, args, "--box option requires exactly 4 items, 5 provided")
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}
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