Remove user from local storage on destroy

src/ParseUser.js

@@ -419,6 +419,19 @@ export default class ParseUser extends ParseObject {
     });
   }
 
+  /**
+   * Wrap the default destroy behavior with functionality that logs out
+   * the current user when it is destroyed
+   */
+  destroy(...args: Array<any>): ParsePromise {
+    return super.destroy.apply(this, args).then(() => {
+      if (this.isCurrent()) {
+        return CoreManager.getUserController().removeUserFromDisk();
+      }
+      return this;
+    });
+  }
+
   /**
    * Wrap the default fetch behavior with functionality to save to local
    * storage if this is current user.
@@ -750,6 +763,13 @@ var DefaultController = {
     });
   },
 
+  removeUserFromDisk() {
+    let path = Storage.generatePath(CURRENT_USER_KEY);
+    currentUserCacheMatchesDisk = true;
+    currentUserCache = null;
+    return Storage.removeItemAsync(path);
+  },
+
   setCurrentUser(user) {
     currentUserCache = user;
     user._cleanupAuthData();

src/__tests__/ParseUser-test.js

@@ -431,6 +431,37 @@ describe('ParseUser', () => {
     });
   }));
 
+  it('removes the current user from disk when destroyed', asyncHelper((done) => {
+    ParseUser.enableUnsafeCurrentUser();
+    ParseUser._clearCache();
+    Storage._clear();
+    CoreManager.setRESTController({
+      request() {
+        return ParsePromise.as({
+          objectId: 'uid9',
+        }, 201);
+      },
+      ajax() {}
+    });
+
+    ParseUser.signUp('destroyed', 'password').then((u) => {
+      expect(u.isCurrent()).toBe(true);
+      CoreManager.setRESTController({
+        request() {
+          return ParsePromise.as({}, 200);
+        },
+        ajax() {}
+      });
+      return u.destroy();
+    }).then((u) => {
+      expect(ParseUser.current()).toBe(null);
+      return ParseUser.currentAsync();
+    }).then((current) => {
+      expect(current).toBe(null);
+      done();
+    });
+  }));
+
   it('updates the current user on disk when fetched', asyncHelper((done) => {
     ParseUser.enableUnsafeCurrentUser();
     ParseUser._clearCache();