Added rest option: excludeKeys (#5737)

* Added restOption: excludeKeys

* improve tests

spec/ParseQuery.spec.js

@@ -3348,6 +3348,122 @@ describe('Parse.Query testing', () => {
         }
       );
   });
+  it('exclude keys', async () => {
+    const obj = new TestObject({ foo: 'baz', hello: 'world' });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        excludeKeys: 'foo',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].foo).toBeUndefined();
+    expect(response.data.results[0].hello).toBe('world');
+  });
+
+  it('exclude keys with select same key', async () => {
+    const obj = new TestObject({ foo: 'baz', hello: 'world' });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        keys: 'foo',
+        excludeKeys: 'foo',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].foo).toBeUndefined();
+    expect(response.data.results[0].hello).toBeUndefined();
+  });
+
+  it('exclude keys with select different key', async () => {
+    const obj = new TestObject({ foo: 'baz', hello: 'world' });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        keys: 'foo,hello',
+        excludeKeys: 'foo',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].foo).toBeUndefined();
+    expect(response.data.results[0].hello).toBe('world');
+  });
+
+  it('exclude keys with include same key', async () => {
+    const pointer = new TestObject();
+    await pointer.save();
+    const obj = new TestObject({ child: pointer, hello: 'world' });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        include: 'child',
+        excludeKeys: 'child',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].child).toBeUndefined();
+    expect(response.data.results[0].hello).toBe('world');
+  });
+
+  it('exclude keys with include different key', async () => {
+    const pointer = new TestObject();
+    await pointer.save();
+    const obj = new TestObject({
+      child1: pointer,
+      child2: pointer,
+      hello: 'world',
+    });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        include: 'child1,child2',
+        excludeKeys: 'child1',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].child1).toBeUndefined();
+    expect(response.data.results[0].child2.objectId).toEqual(pointer.id);
+    expect(response.data.results[0].hello).toBe('world');
+  });
+
+  it('exclude keys with includeAll', async () => {
+    const pointer = new TestObject();
+    await pointer.save();
+    const obj = new TestObject({
+      child1: pointer,
+      child2: pointer,
+      hello: 'world',
+    });
+    await obj.save();
+
+    const response = await request({
+      url: Parse.serverURL + '/classes/TestObject',
+      qs: {
+        includeAll: true,
+        excludeKeys: 'child1',
+        where: JSON.stringify({ objectId: obj.id }),
+      },
+      headers: masterKeyHeaders,
+    });
+    expect(response.data.results[0].child).toBeUndefined();
+    expect(response.data.results[0].child2.objectId).toEqual(pointer.id);
+    expect(response.data.results[0].hello).toBe('world');
+  });
 
   it('select keys with each query', function(done) {
     const obj = new TestObject({ foo: 'baz', bar: 1 });