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/buckets/__tests__/reducer.test.js

@@ -0,0 +1,53 @@
+/*
+ * 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 reducer from "../reducer"
+import * as actions from "../actions"
+
+describe("buckets reducer", () => {
+  it("should return the initial state", () => {
+    const initialState = reducer(undefined, {})
+    expect(initialState).toEqual({
+      list: [],
+      filter: "",
+      currentBucket: ""
+    })
+  })
+
+  it("should handle SET_LIST", () => {
+    const newState = reducer(undefined, {
+      type: actions.SET_LIST,
+      buckets: ["bk1", "bk2"]
+    })
+    expect(newState.list).toEqual(["bk1", "bk2"])
+  })
+
+  it("should handle SET_FILTER", () => {
+    const newState = reducer(undefined, {
+      type: actions.SET_FILTER,
+      filter: "test"
+    })
+    expect(newState.filter).toEqual("test")
+  })
+
+  it("should handle SET_CURRENT_BUCKET", () => {
+    const newState = reducer(undefined, {
+      type: actions.SET_CURRENT_BUCKET,
+      bucket: "test"
+    })
+    expect(newState.currentBucket).toEqual("test")
+  })
+})