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120 lines
2.7 KiB
120 lines
2.7 KiB
package argh_test
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import (
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"testing"
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"git.meatballhat.com/x/box-o-sand/argh"
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"github.com/stretchr/testify/assert"
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)
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func ptr[T any](v T) *T {
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return &v
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}
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func TestParser(t *testing.T) {
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for _, tc := range []struct {
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name string
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args []string
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cfg *argh.ParserConfig
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expected *argh.Argh
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expectedErr error
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skip bool
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}{
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{
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name: "bare",
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args: []string{"pizzas"},
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expected: &argh.Argh{
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ParseTree: &argh.ParseTree{
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Nodes: []argh.Node{
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argh.Program{Name: "pizzas"},
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},
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},
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},
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},
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{
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name: "long value-less flags",
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args: []string{"pizzas", "--tasty", "--fresh", "--super-hot-right-now"},
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expected: &argh.Argh{
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ParseTree: &argh.ParseTree{
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Nodes: []argh.Node{
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argh.Program{Name: "pizzas", Pos: 0},
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argh.ArgDelimiter{Pos: 6},
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argh.Flag{Name: "tasty", Pos: 7},
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argh.ArgDelimiter{Pos: 14},
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argh.Flag{Name: "fresh", Pos: 15},
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argh.ArgDelimiter{Pos: 22},
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argh.Flag{Name: "super-hot-right-now", Pos: 23},
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},
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},
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},
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},
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{
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name: "long flags mixed",
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args: []string{"pizzas", "--tasty", "--fresh", "soon", "--super-hot-right-now"},
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cfg: &argh.ParserConfig{
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Commands: []string{},
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ValueFlags: []string{"fresh"},
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},
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expected: &argh.Argh{
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ParseTree: &argh.ParseTree{
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Nodes: []argh.Node{
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argh.Program{Name: "pizzas", Pos: 0},
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argh.ArgDelimiter{Pos: 6},
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argh.Flag{Name: "tasty", Pos: 7},
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argh.ArgDelimiter{Pos: 14},
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argh.Flag{Name: "fresh", Pos: 15, Value: ptr("soon")},
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argh.ArgDelimiter{Pos: 27},
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argh.Flag{Name: "super-hot-right-now", Pos: 28},
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},
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},
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},
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},
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{
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skip: true,
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name: "typical",
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args: []string{"pizzas", "-a", "--ca", "-b", "1312", "-lol"},
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cfg: &argh.ParserConfig{
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Commands: []string{},
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ValueFlags: []string{"b"},
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},
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expected: &argh.Argh{
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ParseTree: &argh.ParseTree{
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Nodes: []argh.Node{
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argh.Program{Name: "pizzas", Pos: 0},
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argh.ArgDelimiter{Pos: 6},
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argh.Flag{Name: "a", Pos: 7},
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argh.ArgDelimiter{Pos: 9},
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argh.Flag{Name: "ca", Pos: 10},
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argh.ArgDelimiter{Pos: 14},
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argh.Flag{Name: "b", Pos: 15, Value: ptr("1312")},
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argh.ArgDelimiter{Pos: 22},
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argh.Statement{
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Pos: 23,
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Nodes: []argh.Node{
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argh.Flag{Name: "l", Pos: 29},
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argh.Flag{Name: "o", Pos: 30},
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argh.Flag{Name: "l", Pos: 31},
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},
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},
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},
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},
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},
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},
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} {
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if tc.skip {
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continue
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}
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t.Run(tc.name, func(ct *testing.T) {
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actual, err := argh.ParseArgs(tc.args, tc.cfg)
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if err != nil {
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assert.ErrorIs(ct, err, tc.expectedErr)
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return
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}
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assert.Equal(ct, tc.expected, actual)
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})
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}
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}
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