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package main
import (
"bytes"
"io"
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_Main(t *testing.T) {
os.Args = []string{"", "--help"}
exitFn = func(code int) { assert.Equal(t, 0, code) }
r, w, err := os.Pipe()
require.NoError(t, err)
os.Stdout = w
main()
_ = w.Close()
buf := new(bytes.Buffer)
_, err = io.Copy(buf, r)
require.NoError(t, err)
assert.Contains(t, buf.String(), "Usage:")
assert.Contains(t, buf.String(), "Available Commands:")
assert.Contains(t, buf.String(), "Flags:")
}
func Test_MainWithoutCommands(t *testing.T) {
os.Args = []string{""}
exitFn = func(code int) { assert.Equal(t, 0, code) }
r, w, err := os.Pipe()
require.NoError(t, err)
os.Stdout = w
main()
_ = w.Close()
buf := new(bytes.Buffer)
_, err = io.Copy(buf, r)
require.NoError(t, err)
assert.Contains(t, buf.String(), "Usage:")
assert.Contains(t, buf.String(), "Available Commands:")
assert.Contains(t, buf.String(), "Flags:")
}
func Test_MainUnknownSubcommand(t *testing.T) {
os.Args = []string{"", "foobar"}
exitFn = func(code int) { assert.Equal(t, 1, code) }
r, w, err := os.Pipe()
require.NoError(t, err)
os.Stderr = w
main()
_ = w.Close()
buf := new(bytes.Buffer)
_, err = io.Copy(buf, r)
require.NoError(t, err)
assert.Contains(t, buf.String(), "unknown command")
assert.Contains(t, buf.String(), "foobar")
}
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