cmd/faucet: switch Facebook auth over to mobile site

cmd/faucet/faucet_test.go

@@ -0,0 +1,43 @@
+// Copyright 2021 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+func TestFacebook(t *testing.T) {
+	for _, tt := range []struct {
+		url  string
+		want common.Address
+	}{
+		{
+			"https://www.facebook.com/fooz.gazonk/posts/2837228539847129",
+			common.HexToAddress("0xDeadDeaDDeaDbEefbEeFbEEfBeeFBeefBeeFbEEF"),
+		},
+	} {
+		_, _, gotAddress, err := authFacebook(tt.url)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if gotAddress != tt.want {
+			t.Fatalf("address wrong, have %v want %v", gotAddress, tt.want)
+		}
+	}
+}