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package cli
import (
"errors"
"flag"
"io/ioutil"
"testing"
)
func TestCommandFlagParsing(t *testing.T) {
cases := []struct {
testArgs []string
skipFlagParsing bool
expectedErr error
}{
{[]string{"blah", "blah", "-break"}, false, errors.New("flag provided but not defined: -break")}, // Test normal "not ignoring flags" flow
{[]string{"blah", "blah"}, true, nil}, // Test SkipFlagParsing without any args that look like flags
{[]string{"blah", "-break"}, true, nil}, // Test SkipFlagParsing with random flag arg
{[]string{"blah", "-help"}, true, nil}, // Test SkipFlagParsing with "special" help flag arg
}
for _, c := range cases {
app := NewApp()
app.Writer = ioutil.Discard
set := flag.NewFlagSet("test", 0)
set.Parse(c.testArgs)
context := NewContext(app, set, nil)
command := Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(_ *Context) {},
}
command.SkipFlagParsing = c.skipFlagParsing
err := command.Run(context)
expect(t, err, c.expectedErr)
expect(t, []string(context.Args()), c.testArgs)
}
}
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