123 lines
3.1 KiB
Go
123 lines
3.1 KiB
Go
package kingpin
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import (
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"io/ioutil"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestParserExpandFromFile(t *testing.T) {
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f, err := ioutil.TempFile("", "")
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assert.NoError(t, err)
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defer os.Remove(f.Name())
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f.WriteString("hello\nworld\n")
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f.Close()
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app := New("test", "")
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arg0 := app.Arg("arg0", "").String()
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arg1 := app.Arg("arg1", "").String()
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_, err = app.Parse([]string{"@" + f.Name()})
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assert.NoError(t, err)
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assert.Equal(t, "hello", *arg0)
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assert.Equal(t, "world", *arg1)
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}
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func TestParserExpandFromFileLeadingArg(t *testing.T) {
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f, err := ioutil.TempFile("", "")
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assert.NoError(t, err)
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defer os.Remove(f.Name())
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f.WriteString("hello\nworld\n")
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f.Close()
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app := New("test", "")
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arg0 := app.Arg("arg0", "").String()
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arg1 := app.Arg("arg1", "").String()
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arg2 := app.Arg("arg2", "").String()
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_, err = app.Parse([]string{"prefix", "@" + f.Name()})
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assert.NoError(t, err)
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assert.Equal(t, "prefix", *arg0)
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assert.Equal(t, "hello", *arg1)
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assert.Equal(t, "world", *arg2)
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}
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func TestParserExpandFromFileTrailingArg(t *testing.T) {
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f, err := ioutil.TempFile("", "")
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assert.NoError(t, err)
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defer os.Remove(f.Name())
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f.WriteString("hello\nworld\n")
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f.Close()
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app := New("test", "")
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arg0 := app.Arg("arg0", "").String()
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arg1 := app.Arg("arg1", "").String()
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arg2 := app.Arg("arg2", "").String()
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_, err = app.Parse([]string{"@" + f.Name(), "suffix"})
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assert.NoError(t, err)
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assert.Equal(t, "hello", *arg0)
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assert.Equal(t, "world", *arg1)
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assert.Equal(t, "suffix", *arg2)
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}
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func TestParserExpandFromFileMultipleSurroundingArgs(t *testing.T) {
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f, err := ioutil.TempFile("", "")
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assert.NoError(t, err)
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defer os.Remove(f.Name())
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f.WriteString("hello\nworld\n")
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f.Close()
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app := New("test", "")
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arg0 := app.Arg("arg0", "").String()
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arg1 := app.Arg("arg1", "").String()
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arg2 := app.Arg("arg2", "").String()
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arg3 := app.Arg("arg3", "").String()
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_, err = app.Parse([]string{"prefix", "@" + f.Name(), "suffix"})
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assert.NoError(t, err)
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assert.Equal(t, "prefix", *arg0)
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assert.Equal(t, "hello", *arg1)
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assert.Equal(t, "world", *arg2)
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assert.Equal(t, "suffix", *arg3)
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}
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func TestParserExpandFromFileMultipleFlags(t *testing.T) {
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f, err := ioutil.TempFile("", "")
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assert.NoError(t, err)
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defer os.Remove(f.Name())
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f.WriteString("--flag1=f1\n--flag2=f2\n")
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f.Close()
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app := New("test", "")
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flag0 := app.Flag("flag0", "").String()
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flag1 := app.Flag("flag1", "").String()
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flag2 := app.Flag("flag2", "").String()
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flag3 := app.Flag("flag3", "").String()
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_, err = app.Parse([]string{"--flag0=f0", "@" + f.Name(), "--flag3=f3"})
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assert.NoError(t, err)
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assert.Equal(t, "f0", *flag0)
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assert.Equal(t, "f1", *flag1)
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assert.Equal(t, "f2", *flag2)
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assert.Equal(t, "f3", *flag3)
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}
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func TestParseContextPush(t *testing.T) {
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app := New("test", "")
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app.Command("foo", "").Command("bar", "")
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c := tokenize([]string{"foo", "bar"}, false)
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a := c.Next()
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assert.Equal(t, TokenArg, a.Type)
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b := c.Next()
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assert.Equal(t, TokenArg, b.Type)
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c.Push(b)
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c.Push(a)
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a = c.Next()
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assert.Equal(t, "foo", a.Value)
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b = c.Next()
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assert.Equal(t, "bar", b.Value)
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}
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