test(app): localhost is ::1 on some hosts, 127.0.0.1 is required

without this, hosts with IPv6 resolve localhost to ::1 and the firebase
emulator isn't listening there, so our helpers cannot connect

Author: mikehardy

packages/app/e2e/helpers.js

@@ -7,5 +7,5 @@ exports.getE2eEmulatorHost = function getE2eEmulatorHost() {
   // localhost and 127.0.0.1 on Android to 10.0.2.2 (the Android emulator host interface)
   // But this specific code is executing in the host context even during E2E test.
   // So no re-write is necessary here.
-  return 'localhost';
+  return '127.0.0.1';
 };

packages/database/e2e/helpers.js

@@ -1,10 +1,11 @@
 const testingUtils = require('@firebase/rules-unit-testing');
+const { getE2eTestProject, getE2eEmulatorHost } = require('../../app/e2e/helpers');
 
 // TODO make more unique?
 const ID = Date.now();
 
 const PATH = `tests/${ID}`;
-const DB_NAME = 'react-native-firebase-testing';
+const DB_NAME = getE2eTestProject();
 const DB_RULES = `{ "rules": {".read": false, ".write": false, "tests": {".read": true, ".write": true } } }`;
 
 const CONTENT = {
@@ -40,8 +41,8 @@ exports.seed = function seed(path) {
     firebase.database().ref(`${path}/query`).set(CONTENT.QUERY),
     // The database emulator does not load rules correctly. We force them pre-test.
     testingUtils.initializeTestEnvironment({
-      projectId: 'react-native-firebase-testing',
-      database: { databaseName: DB_NAME, rules: DB_RULES, host: 'localhost', port: 9000 },
+      projectId: getE2eTestProject(),
+      database: { databaseName: DB_NAME, rules: DB_RULES, host: getE2eEmulatorHost(), port: 9000 },
     }),
   ]);
 };

packages/storage/e2e/helpers.js

@@ -1,4 +1,5 @@
 const testingUtils = require('@firebase/rules-unit-testing');
+const { getE2eTestProject, getE2eEmulatorHost } = require('../../app/e2e/helpers');
 
 // TODO make more unique?
 const ID = Date.now();
@@ -11,7 +12,7 @@ exports.seed = async function seed(path) {
   // Force the rules for the storage emulator to be what we expect
 
   await testingUtils.initializeTestEnvironment({
-    projectId: 'react-native-firebase-testing',
+    projectId: getE2eTestProject(),
     storage: {
       rules: `rules_version = '2';
       service firebase.storage {
@@ -29,12 +30,12 @@ exports.seed = async function seed(path) {
             allow read, write: if true;
           }
 
-          match /react-native-firebase-testing/{document=**} {
+          match /${getE2eTestProject()}/{document=**} {
             allow read, write: if true;
           }
         }
       }`,
-      host: 'localhost',
+      host: getE2eEmulatorHost(),
       port: 9199,
     },
   });