re-organize components and actions by feature (#5518)

Now the files grouped based on the features instead of
the previous approach of grouping by type.

browser/app/js/objects/__tests__/ObjectsHeader.test.js

@@ -0,0 +1,61 @@
+/*
+ * Minio Cloud Storage (C) 2018 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import React from "react"
+import { shallow } from "enzyme"
+import { ObjectsHeader } from "../ObjectsHeader"
+
+describe("ObjectsHeader", () => {
+  it("should render without crashing", () => {
+    const sortObjects = jest.fn()
+    shallow(<ObjectsHeader sortObjects={sortObjects} />)
+  })
+
+  it("should render columns with asc classes by default", () => {
+    const sortObjects = jest.fn()
+    const wrapper = shallow(<ObjectsHeader sortObjects={sortObjects} />)
+    expect(
+      wrapper.find("#sort-by-name i").hasClass("fa-sort-alpha-asc")
+    ).toBeTruthy()
+    expect(
+      wrapper.find("#sort-by-size i").hasClass("fa-sort-amount-asc")
+    ).toBeTruthy()
+    expect(
+      wrapper.find("#sort-by-last-modified i").hasClass("fa-sort-numeric-asc")
+    ).toBeTruthy()
+  })
+
+  it("should render name column with desc class when objects are sorted by name", () => {
+    const sortObjects = jest.fn()
+    const wrapper = shallow(
+      <ObjectsHeader sortObjects={sortObjects} sortNameOrder={true} />
+    )
+    expect(
+      wrapper.find("#sort-by-name i").hasClass("fa-sort-alpha-desc")
+    ).toBeTruthy()
+  })
+
+  it("should call sortObjects when a column is clicked", () => {
+    const sortObjects = jest.fn()
+    const wrapper = shallow(<ObjectsHeader sortObjects={sortObjects} />)
+    wrapper.find("#sort-by-name").simulate("click")
+    expect(sortObjects).toHaveBeenCalledWith("name")
+    wrapper.find("#sort-by-size").simulate("click")
+    expect(sortObjects).toHaveBeenCalledWith("size")
+    wrapper.find("#sort-by-last-modified").simulate("click")
+    expect(sortObjects).toHaveBeenCalledWith("last-modified")
+  })
+})