Read user/pass from config and authenticate to OpenStack

pkg/cloudprovider/openstack/openstack_test.go

@@ -22,8 +22,35 @@ import (
 )
 
 func TestNewOpenStack(t *testing.T) {
-	_, err := newOpenStack(strings.NewReader(""))
+	_, err := readConfig(nil)
+	if err == nil {
+		t.Errorf("Should fail when no config is provided: %s", err)
+	}
+
+	cfg, err := readConfig(strings.NewReader(`
+[Global]
+authurl = http://auth.url
+username = user
+`))
 	if err != nil {
-		t.Errorf("Should succeed when a valid config is provided: %s", err)
+		t.Fatalf("Should succeed when a valid config is provided: %s", err)
+	}
+	if cfg.Global.AuthUrl != "http://auth.url" {
+		t.Errorf("incorrect authurl: %s", cfg.Global.AuthUrl)
+	}
+}
+
+func TestToAuthOptions(t *testing.T) {
+	cfg := Config{}
+	cfg.Global.Username = "user"
+	// etc.
+
+	ao := cfg.toAuthOptions()
+
+	if !ao.AllowReauth {
+		t.Errorf("Will need to be able to reauthenticate")
+	}
+	if ao.Username != cfg.Global.Username {
+		t.Errorf("Username %s != %s", ao.Username, cfg.Global.Username)
 	}
 }