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__/PrefixContainer.test.js

@@ -0,0 +1,44 @@
+/*
+ * 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 { PrefixContainer } from "../PrefixContainer"
+
+describe("PrefixContainer", () => {
+  it("should render without crashing", () => {
+    shallow(<PrefixContainer object={{ name: "abc/" }} />)
+  })
+
+  it("should render ObjectItem with props", () => {
+    const wrapper = shallow(<PrefixContainer object={{ name: "abc/" }} />)
+    expect(wrapper.find("ObjectItem").length).toBe(1)
+    expect(wrapper.find("ObjectItem").prop("name")).toBe("abc/")
+  })
+
+  it("should call selectPrefix when the prefix is clicked", () => {
+    const selectPrefix = jest.fn()
+    const wrapper = shallow(
+      <PrefixContainer
+        object={{ name: "abc/" }}
+        currentPrefix={"xyz/"}
+        selectPrefix={selectPrefix}
+      />
+    )
+    wrapper.find("ObjectItem").prop("onClick")()
+    expect(selectPrefix).toHaveBeenCalledWith("xyz/abc/")
+  })
+})