Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
46 lines (38 sloc) 1023 Bytes
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
// Test of echo command. Run with: go test gopl.io/ch11/echo
//!+
package main
import (
"bytes"
"fmt"
"testing"
)
func TestEcho(t *testing.T) {
var tests = []struct {
newline bool
sep string
args []string
want string
}{
{true, "", []string{}, "\n"},
{false, "", []string{}, ""},
{true, "\t", []string{"one", "two", "three"}, "one\ttwo\tthree\n"},
{true, ",", []string{"a", "b", "c"}, "a,b,c\n"},
{false, ":", []string{"1", "2", "3"}, "1:2:3"},
}
for _, test := range tests {
descr := fmt.Sprintf("echo(%v, %q, %q)",
test.newline, test.sep, test.args)
out = new(bytes.Buffer) // captured output
if err := echo(test.newline, test.sep, test.args); err != nil {
t.Errorf("%s failed: %v", descr, err)
continue
}
got := out.(*bytes.Buffer).String()
if got != test.want {
t.Errorf("%s = %q, want %q", descr, got, test.want)
}
}
}
//!-
You can’t perform that action at this time.