71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
// 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"
|
|
"reflect"
|
|
"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)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestConsistentEnviron(t *testing.T) {
|
|
e0 := Environ()
|
|
for i := 0; i < 10; i++ {
|
|
e1 := Environ()
|
|
if !reflect.DeepEqual(e0, e1) {
|
|
t.Fatalf("environment changed")
|
|
}
|
|
}
|
|
}
|