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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2024 Datadog, Inc.
package utils
import (
"os"
"os/user"
"path/filepath"
"testing"
)
func patchEnv(key, value string) func() {
bck := os.Getenv(key)
deferFunc := func() {
_ = os.Setenv(key, bck)
}
if value != "" {
_ = os.Setenv(key, value)
} else {
_ = os.Unsetenv(key)
}
return deferFunc
}
func TestDir(t *testing.T) {
u, err := user.Current()
if err != nil {
t.Fatalf("err: %s", err)
}
dir := getHomeDir()
if u.HomeDir != dir {
t.Fatalf("%#v != %#v", u.HomeDir, dir)
}
defer patchEnv("HOME", "")()
dir = getHomeDir()
if u.HomeDir != dir {
t.Fatalf("%#v != %#v", u.HomeDir, dir)
}
}
func TestExpand(t *testing.T) {
u, err := user.Current()
if err != nil {
t.Fatalf("err: %s", err)
}
cases := []struct {
Input string
Output string
}{
{
"/foo",
"/foo",
},
{
"~/foo",
filepath.Join(u.HomeDir, "foo"),
},
{
"",
"",
},
{
"~",
u.HomeDir,
},
{
"~foo/foo",
"~foo/foo",
},
}
for _, tc := range cases {
actual := ExpandPath(tc.Input)
if actual != tc.Output {
t.Fatalf("Input: %#v\n\nOutput: %#v", tc.Input, actual)
}
}
defer patchEnv("HOME", "/custom/path/")()
expected := filepath.Join("/", "custom", "path", "foo/bar")
actual := ExpandPath("~/foo/bar")
if actual != expected {
t.Errorf("Expected: %v; actual: %v", expected, actual)
}
}
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