114 lines
1.7 KiB
Go
114 lines
1.7 KiB
Go
package homedir
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import (
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"os"
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"os/user"
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"path/filepath"
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"testing"
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)
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func patchEnv(key, value string) func() {
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bck := os.Getenv(key)
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deferFunc := func() {
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os.Setenv(key, bck)
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}
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os.Setenv(key, value)
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return deferFunc
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}
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func BenchmarkDir(b *testing.B) {
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// We do this for any "warmups"
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for i := 0; i < 10; i++ {
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Dir()
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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Dir()
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}
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}
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func TestDir(t *testing.T) {
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// NOTE: This test is not portable. If user.Current() worked
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// everywhere, we wouldn't need our package in the first place.
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u, err := user.Current()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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dir, err := Dir()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if u.HomeDir != dir {
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t.Fatalf("%#v != %#v", u.HomeDir, dir)
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}
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}
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func TestExpand(t *testing.T) {
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u, err := user.Current()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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cases := []struct {
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Input string
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Output string
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Err bool
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}{
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{
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"/foo",
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"/foo",
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false,
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},
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{
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"~/foo",
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filepath.Join(u.HomeDir, "foo"),
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false,
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},
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{
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"",
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"",
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false,
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},
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{
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"~",
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u.HomeDir,
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false,
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},
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{
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"~foo/foo",
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"",
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true,
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},
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}
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for _, tc := range cases {
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actual, err := Expand(tc.Input)
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if (err != nil) != tc.Err {
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t.Fatalf("Input: %#v\n\nErr: %s", tc.Input, err)
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}
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if actual != tc.Output {
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t.Fatalf("Input: %#v\n\nOutput: %#v", tc.Input, actual)
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}
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}
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DisableCache = true
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defer func() { DisableCache = false }()
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defer patchEnv("HOME", "/custom/path/")()
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expected := filepath.Join("/", "custom", "path", "foo/bar")
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actual, err := Expand("~/foo/bar")
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if err != nil {
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t.Errorf("No error is expected, got: %v", err)
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} else if actual != expected {
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t.Errorf("Expected: %v; actual: %v", expected, actual)
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}
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}
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