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package cmd
import (
"bytes"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestOptionalExecArgs(t *testing.T) {
cmd := &cobra.Command{}
cmd.SetArgs(nil)
cmd.ParseFlags(nil)
err := optionalExecArgs(cmd, nil)
require.NoError(t, err)
cmd = &cobra.Command{}
cmd.SetArgs(nil)
cmd.ParseFlags(nil)
err = optionalExecArgs(cmd, []string{"bogus"})
require.Error(t, err)
cmd = &cobra.Command{}
cmd.SetArgs(nil)
cmd.ParseFlags([]string{"--", "foo"})
err = optionalExecArgs(cmd, []string{})
require.NoError(t, err)
cmd = &cobra.Command{}
cmd.SetArgs(nil)
cmd.ParseFlags([]string{"--"})
err = optionalExecArgs(cmd, []string{"foo"})
require.NoError(t, err)
}
func TestRunMain(t *testing.T) {
ctx := t.Context()
err := Main(ctx, []string{"-h"}, nil, nil, nil)
require.NoError(t, err)
err = Main(ctx, []string{"--bogus"}, nil, nil, nil)
require.Error(t, err)
stdin := &bytes.Buffer{}
stdout := &bytes.Buffer{}
stderr := &bytes.Buffer{}
err = Main(ctx, []string{"-i", "hello"}, stdin, stdout, stderr)
require.NoError(t, err)
assert.Equal(t, "hello", stdout.String())
}
func TestPostRunExec(t *testing.T) {
ctx := t.Context()
out := &bytes.Buffer{}
err := postRunExec(ctx, []string{"cat"}, strings.NewReader("hello world"), out, out)
require.NoError(t, err)
assert.Equal(t, "hello world", out.String())
}
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