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package main
import (
"bytes"
"errors"
"io"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
//TODO: all flag parsing continueOnError will print to stderr on its own currently
func Test_help(t *testing.T) {
expected := "Usage of " + os.Args[0] + " <global flags> <mode>:\n" +
" Global flags:\n" +
" -version: Prints the version\n" +
" -h, -help: Prints this help message\n\n" +
" Modes:\n" +
" " + caSummary() + "\n" +
" " + keygenSummary() + "\n" +
" " + signSummary() + "\n" +
" " + printSummary() + "\n" +
" " + verifySummary() + "\n"
ob := &bytes.Buffer{}
// No error test
help("", ob)
assert.Equal(
t,
expected,
ob.String(),
)
// Error test
ob.Reset()
help("test error", ob)
assert.Equal(
t,
"Error: test error\n\n"+expected,
ob.String(),
)
}
func Test_handleError(t *testing.T) {
ob := &bytes.Buffer{}
// normal error
handleError("", errors.New("test error"), ob)
assert.Equal(t, "Error: test error\n", ob.String())
// unknown mode help error
ob.Reset()
handleError("", newHelpErrorf("test %s", "error"), ob)
assert.Equal(t, "Error: test error\n", ob.String())
// test all modes with help error
modes := map[string]func(io.Writer){"ca": caHelp, "print": printHelp, "sign": signHelp, "verify": verifyHelp}
eb := &bytes.Buffer{}
for mode, fn := range modes {
ob.Reset()
eb.Reset()
fn(eb)
handleError(mode, newHelpErrorf("test %s", "error"), ob)
assert.Equal(t, "Error: test error\n"+eb.String(), ob.String())
}
}
func assertHelpError(t *testing.T, err error, msg string) {
switch err.(type) {
case *helpError:
// good
default:
t.Fatal("err was not a helpError")
}
assert.EqualError(t, err, msg)
}
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