Add lastRefreshTime to UserMetadata toJSON method.

See #887

Author: rsgowman

src/auth/user-record.ts

@@ -335,6 +335,7 @@ export class UserMetadata {
     return {
       lastSignInTime: this.lastSignInTime,
       creationTime: this.creationTime,
+      lastRefreshTime: this.lastRefreshTime,
     };
   }
 }

test/integration/auth.spec.ts

@@ -1802,6 +1802,7 @@ describe('admin.auth', () => {
         metadata: {
           lastSignInTime: now,
           creationTime: now,
+          lastRefreshTime: null,  // TODO(rsgowman): Switch to 'now' once importing users supports lastRefreshTime
         },
         providerData: [
           {

test/unit/auth/user-record.spec.ts

@@ -80,6 +80,7 @@ function getValidUserResponse(tenantId?: string): GetAccountInfoUserResponse {
     validSince: '1476136676',
     lastLoginAt: '1476235905000',
     createdAt: '1476136676000',
+    lastRefreshAt: '2016-10-12T01:31:45.000Z',
     customAttributes: JSON.stringify({
       admin: true,
     }),
@@ -156,6 +157,7 @@ function getUserJSON(tenantId?: string): object {
     metadata: {
       lastSignInTime: new Date(1476235905000).toUTCString(),
       creationTime: new Date(1476136676000).toUTCString(),
+      lastRefreshTime: new Date(1476235905000).toUTCString(),
     },
     customClaims: {
       admin: true,
@@ -616,14 +618,17 @@ describe('UserInfo', () => {
 describe('UserMetadata', () => {
   const expectedLastLoginAt = 1476235905000;
   const expectedCreatedAt = 1476136676000;
+  const expectedLastRefreshAt = '2016-10-12T01:31:45.000Z';
   const actualMetadata: UserMetadata = new UserMetadata({
     localId: 'uid123',
     lastLoginAt: expectedLastLoginAt.toString(),
     createdAt: expectedCreatedAt.toString(),
+    lastRefreshAt: expectedLastRefreshAt,
   });
   const expectedMetadataJSON = {
     lastSignInTime: new Date(expectedLastLoginAt).toUTCString(),
     creationTime: new Date(expectedCreatedAt).toUTCString(),
+    lastRefreshTime: new Date(expectedLastRefreshAt).toUTCString(),
   };
 
   describe('constructor', () =>  {
@@ -872,6 +877,7 @@ describe('UserRecord', () => {
       const metadata = new UserMetadata({
         createdAt: '1476136676000',
         lastLoginAt: '1476235905000',
+        lastRefreshAt: '2016-10-12T01:31:45.000Z',
       } as any);
       expect(userRecord.metadata).to.deep.equal(metadata);
     });