git » gofer » master » tree

[master] / util / util_test.go 

  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
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
package util

import (
	"os"
	"strings"
	"testing"

	"blitiri.com.ar/go/gofer/config"
)

func TestLoadCertsFromDir(t *testing.T) {
	// The data in testdata/ is crafted to test some of the corner cases of
	// LoadCertsFromDir.

	// Incorrect/missing some of the files.
	c, err := LoadCertsFromDir("testdata/certs/")
	if c != nil {
		t.Errorf("expected nil config, got %v", c)
	}
	if err == nil || !strings.Contains(err.Error(), "no certificates found") {
		t.Errorf("expected 'no certificates found' error, got: %v", err)
	}

	// Invalid PEM certificates.
	c, err = LoadCertsFromDir("testdata/badcerts/")
	if c != nil {
		t.Errorf("expected nil config, got %v", c)
	}
	if err == nil || !strings.Contains(err.Error(), "error loading pair") {
		t.Errorf("expected 'error loading pair' error, got: %v", err)
	}

	// Empty directory.
	c, err = LoadCertsFromDir("testdata/empty/")
	if c != nil {
		t.Errorf("expected nil config, got %v", c)
	}
	if err == nil || !strings.Contains(err.Error(), "no certificates found") {
		t.Errorf("expected 'no certificates found' error, got: %v", err)
	}

	// Non-existent directory.
	c, err = LoadCertsFromDir("testdata/doesnotexist/")
	if c != nil {
		t.Errorf("expected nil config, got %v", c)
	}
	if err == nil || !strings.Contains(err.Error(), "ReadDir") {
		t.Errorf("expected ReadDir error, got: %v", err)
	}
}

func TestCacheIsWriteableCheck(t *testing.T) {
	conf := config.HTTPS{
		AutoCerts: config.AutoCerts{
			CacheDir: "/proc/should/not/be/allowed",
		},
	}
	c, err := LoadCertsForHTTPS(conf)
	if err == nil || !strings.Contains(err.Error(), "error writing") {
		t.Errorf("expected 'error writing to the autocert cache', got: %v / %v",
			c, err)
	}

	conf.AutoCerts.CacheDir = "testdata/.TestCacheIsWriteableCheck_dir"
	_, err = LoadCertsForHTTPS(conf)
	if err != nil {
		t.Errorf("failed to write on test directory: %v", err)
	}
}

func TestCachePath(t *testing.T) {
	checkEq := func(desc, cd string, expected string) {
		if c := cachePath(cd); c != expected {
			t.Errorf("%s: expected %q, got %q", desc, expected, c)
		}
	}

	checkEq("config dir is set", "/some/path/", "/some/path/")

	{
		orig := os.Getenv("CACHE_DIRECTORY")
		os.Setenv("CACHE_DIRECTORY", "/my/cache")
		checkEq("using $CACHE_DIRECTORY", "", "/my/cache/gofer-autocert-cache")
		os.Setenv("CACHE_DIRECTORY", orig)
	}

	{
		orig := os.Getenv("XDG_CACHE_HOME")
		os.Setenv("XDG_CACHE_HOME", "/xdg/cache")
		checkEq("using os.UserCacheDir", "", "/xdg/cache/gofer-autocert-cache")
		os.Setenv("XDG_CACHE_HOME", orig)
	}

	{
		origxdg := os.Getenv("XDG_CACHE_HOME")
		os.Unsetenv("XDG_CACHE_HOME")
		orighome := os.Getenv("HOME")
		os.Unsetenv("HOME")
		checkEq("last resort", "", "gofer-autocert-cache")
		os.Setenv("HOME", orighome)
		os.Setenv("XDG_CACHE_HOME", origxdg)
	}
}