feat(increment): support scopes (#8541)

docs/scopes.md

@@ -86,7 +86,7 @@ DeletedProjects.findAll();
 DeletedProjects.findAll();
 ```
 
-Scopes apply to `.find`, `.findAll`, `.count`, `.update` and `.destroy`.
+Scopes apply to `.find`, `.findAll`, `.count`, `.update`, `.increment` and `.destroy`.
 
 Scopes which are functions can be invoked in two ways. If the scope does not take any arguments it can be invoked as normally. If the scope takes arguments, pass an object:
 

lib/model.js

@@ -2892,6 +2892,8 @@ class Model {
   * @return {Promise<this>}
   */
   static increment(fields, options) {
+    options = options || {};
+    this._injectScope(options);
     this._optionsMustContainWhere(options);
 
     const updatedAtAttr = this._timestampAttributes.updatedAt;

test/integration/model.test.js

@@ -2931,5 +2931,48 @@ describe(Support.getTestDialectTeaser('Model'), () => {
         return expect(User.findById(1)).to.eventually.have.property('updatedAt').equalTime(oldDate);
       });
     });
+
+    it('should work with scopes', function() {
+      const User = this.sequelize.define('User', {
+        aNumber: DataTypes.INTEGER,
+        name: DataTypes.STRING
+      }, {
+        scopes: {
+          jeff: {
+            where: {
+              name: 'Jeff'
+            }
+          }
+        }
+      });
+
+      return User.sync({ force: true }).then(() => {
+        return User.bulkCreate([
+          {
+            aNumber: 1,
+            name: 'Jeff'
+          },
+          {
+            aNumber: 3,
+            name: 'Not Jeff'
+          }
+        ]);
+      }).then(() => {
+        return User.scope('jeff').increment('aNumber', {
+        });
+      }).then(() => {
+        return User.scope('jeff').findOne();
+      }).then(jeff => {
+        expect(jeff.aNumber).to.equal(2);
+      }).then(() => {
+        return User.findOne({
+          where: {
+            name: 'Not Jeff'
+          }
+        });
+      }).then(notJeff => {
+        expect(notJeff.aNumber).to.equal(3);
+      });
+    });
   });
 });