// Connect to remote instance of Redis using a URL.
func ExampleDialURL() {
c, err := redis.DialURL(os.Getenv("REDIS_URL"))
if err != nil {
// handle connection error
}
defer c.Close()
}
func TestDialURLErrors(t *testing.T) {
for _, d := range dialErrors {
_, err := redis.DialURL(d.rawurl)
if err == nil || !strings.Contains(err.Error(), d.expectedError) {
t.Errorf("DialURL did not return expected error (expected %v to contain %s)", err, d.expectedError)
}
}
}
func TestDialURLDatabase(t *testing.T) {
var buf bytes.Buffer
_, err := redis.DialURL("redis://localhost/3", dialTestConn(strings.NewReader("+OK\r\n"), &buf))
if err != nil {
t.Error("dial error:", err)
}
expected := "*2\r\n$6\r\nSELECT\r\n$1\r\n3\r\n"
actual := buf.String()
if actual != expected {
t.Errorf("commands = %q, want %q", actual, expected)
}
}
func TestDialURLPassword(t *testing.T) {
var buf bytes.Buffer
_, err := redis.DialURL("redis://*****:*****@localhost", dialTestConn(strings.NewReader("+OK\r\n"), &buf))
if err != nil {
t.Error("dial error:", err)
}
expected := "*2\r\n$4\r\nAUTH\r\n$6\r\nabc123\r\n"
actual := buf.String()
if actual != expected {
t.Errorf("commands = %q, want %q", actual, expected)
}
}
func TestDialURLHost(t *testing.T) {
checkHost := func(network, address string) (net.Conn, error) {
if address != "localhost:6379" {
t.Errorf("DialURL did not set host to localhost by default (got %v)", address)
}
return nil, nil
}
_, err := redis.DialURL("redis://:6379", redis.DialNetDial(checkHost))
if err != nil {
t.Error("dial error:", err)
}
}