1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os_test
import (
. "os"
"testing"
)
// testGetenv gives us a controlled set of variables for testing Expand.
func testGetenv(s string) string {
switch s {
case "*":
return "all the args"
case "#":
return "NARGS"
case "$":
return "PID"
case "1":
return "ARGUMENT1"
case "HOME":
return "/usr/gopher"
case "H":
return "(Value of H)"
case "home_1":
return "/usr/foo"
case "_":
return "underscore"
}
return ""
}
var expandTests = []struct {
in, out string
}{
{"", ""},
{"$*", "all the args"},
{"$$", "PID"},
{"${*}", "all the args"},
{"$1", "ARGUMENT1"},
{"${1}", "ARGUMENT1"},
{"now is the time", "now is the time"},
{"$HOME", "/usr/gopher"},
{"$home_1", "/usr/foo"},
{"${HOME}", "/usr/gopher"},
{"${H}OME", "(Value of H)OME"},
{"A$$$#$1$H$home_1*B", "APIDNARGSARGUMENT1(Value of H)/usr/foo*B"},
}
func TestExpand(t *testing.T) {
for _, test := range expandTests {
result := Expand(test.in, testGetenv)
if result != test.out {
t.Errorf("Expand(%q)=%q; expected %q", test.in, result, test.out)
}
}
}
|
