diff --git a/web/client/actions/__tests__/maps-test.js b/web/client/actions/__tests__/maps-test.js
index 9be9e41880..284ee44cf2 100644
--- a/web/client/actions/__tests__/maps-test.js
+++ b/web/client/actions/__tests__/maps-test.js
@@ -15,7 +15,12 @@ var {
     SAVE_MAP, saveMap,
     DISPLAY_METADATA_EDIT, onDisplayMetadataEdit,
     RESET_UPDATING, resetUpdating,
-    THUMBNAIL_ERROR, thumbnailError
+    THUMBNAIL_ERROR, thumbnailError,
+    RESET_CURRENT_MAP, resetCurrentMap,
+    MAPS_SEARCH_TEXT_CHANGED, mapsSearchTextChanged,
+    MAPS_LIST_LOAD_ERROR, loadError,
+    MAP_ERROR, mapError,
+    MAP_METADATA_UPDATED, mapMetadataUpdated
 } = require('../maps');
 
 describe('Test correctness of the maps actions', () => {
@@ -89,4 +94,31 @@ describe('Test correctness of the maps actions', () => {
         expect(retval.resourceId).toBe(resourceId);
         expect(retval.map).toBe(map);
     });
+    it('resetCurrentMap', () => {
+        const a = resetCurrentMap();
+        expect(a.type).toBe(RESET_CURRENT_MAP);
+    });
+    it('mapsSearchTextChanged', () => {
+        const a = mapsSearchTextChanged("TEXT");
+        expect(a.type).toBe(MAPS_SEARCH_TEXT_CHANGED);
+        expect(a.text).toBe("TEXT");
+    });
+    it('loadError', () => {
+        const a = loadError();
+        expect(a.type).toBe(MAPS_LIST_LOAD_ERROR);
+    });
+    it('mapError', () => {
+        const a = mapError("error");
+        expect(a.type).toBe(MAP_ERROR);
+        expect(a.error).toBe("error");
+    });
+    it('mapMetadataUpdated', () => {
+        const a = mapMetadataUpdated("resourceId", "newName", "newDescription", "result", "error");
+        expect(a.type).toBe(MAP_METADATA_UPDATED);
+        expect(a.resourceId).toBe("resourceId");
+        expect(a.newName).toBe("newName");
+        expect(a.newDescription).toBe("newDescription");
+        expect(a.result).toBe("result");
+        expect(a.error).toBe("error");
+    });
 });
diff --git a/web/client/actions/__tests__/tasks-test.js b/web/client/actions/__tests__/tasks-test.js
index bab4882614..7615cefd40 100644
--- a/web/client/actions/__tests__/tasks-test.js
+++ b/web/client/actions/__tests__/tasks-test.js
@@ -11,6 +11,7 @@ var {
     taskSuccess,
     taskStarted,
     taskError,
+    startTask,
     TASK_STARTED,
     TASK_SUCCESS,
     TASK_ERROR
@@ -49,4 +50,22 @@ describe('Test correctness of the tasks actions', () => {
         expect(retVal.type).toBe(TASK_STARTED);
         expect(retVal.name).toBe(name);
     });
+
+    it('startTask', done => {
+        let started = false;
+        let executed = false;
+        let dispatchable = startTask((payload, callback) => {executed = true; expect(payload).toBe("payload"); callback(); }, "payload", "task", "actionPayload");
+        dispatchable((action) => {
+            if (action.type === TASK_STARTED) {
+                expect(action.name).toBe("task");
+                started = true;
+            }
+            if (action.type === TASK_SUCCESS) {
+                expect(action.actionPayload).toBe("actionPayload");
+                expect(started).toBe(true);
+                expect(executed).toBe(true);
+                done();
+            }
+        });
+    });
 });
diff --git a/web/client/utils/PluginsUtils.js b/web/client/utils/PluginsUtils.js
index 09e87849df..3a8dddc0e7 100644
--- a/web/client/utils/PluginsUtils.js
+++ b/web/client/utils/PluginsUtils.js
@@ -122,6 +122,12 @@ const getReducers = (plugins) => Object.keys(plugins).map((name) => plugins[name
 const getEpics = (plugins) => Object.keys(plugins).map((name) => plugins[name].epics)
                             .reduce((previous, current) => assign({}, previous, current), {});
 const PluginsUtils = {
+    /**
+     * Produces the reducers from the plugins, combined with other plugins
+     * @param {array} plugins the plugins
+     * @param {array} reducers other plugins
+     * @returns {function} a reducer made from the plugins' reducers and the reducers passed as 2nd parameter
+     */
     combineReducers: (plugins, reducers) => {
         const pluginsReducers = getReducers(plugins);
         return combineReducers(assign({}, reducers, pluginsReducers));
diff --git a/web/client/utils/__tests__/PluginUtils-test.js b/web/client/utils/__tests__/PluginUtils-test.js
new file mode 100644
index 0000000000..6a61940c3a
--- /dev/null
+++ b/web/client/utils/__tests__/PluginUtils-test.js
@@ -0,0 +1,76 @@
+/**
+ * Copyright 2017, GeoSolutions Sas.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+const expect = require('expect');
+const PluginsUtils = require('../PluginsUtils');
+const assign = require('object-assign');
+
+describe('PluginsUtils', () => {
+    beforeEach( () => {
+
+    });
+    afterEach((done) => {
+        document.body.innerHTML = '';
+
+        setTimeout(done);
+    });
+    it('combineReducers', () => {
+        const P1 = {
+            reducers: {
+                reducer1: () => {}
+            }
+        };
+
+        const P2 = {
+            reducers: {
+                reducer1: (state = {}) => assign({}, state, { A: "A"}),
+                reducer2: (state = {}) => state
+            }
+        };
+        const reducers = {
+            reducer3: (state = {}) => state
+        };
+        const spyNo = expect.spyOn(P1.reducers, "reducer1");
+        const finalReducer = PluginsUtils.combineReducers([P1, P2], reducers);
+        const state = finalReducer();
+        expect(state.reducer1).toExist();
+        expect(state.reducer1.A).toBe("A");
+
+        // test overriding
+        expect(spyNo.calls.length).toBe(0);
+    });
+    it('getPluginDescriptor', () => {
+        const P1 = assign( () => {}, {
+            reducers: {
+                reducer1: () => {}
+            }
+        });
+        const item = {
+            test: "TEST"
+        };
+        const P2 = assign( () => {}, {
+            P1: item,
+            reducers: {
+                reducer1: () => ({ A: "A"}),
+                reducer2: () => {}
+            }
+        });
+        const cfg = {
+            test: "TEST"
+        };
+        let desc1 = PluginsUtils.getPluginDescriptor({}, {P1Plugin: P1, P2Plugin: P2}, [{name: "P1", cfg}, "P2"], "P1" );
+        expect(desc1).toExist();
+        expect(desc1.id).toBe("P1");
+        expect(desc1.name).toBe("P1");
+        expect(desc1.cfg).toExist(cfg);
+        expect(desc1.items.length).toBe(1);
+        expect(desc1.items[0].test).toBe(item.test);
+        expect(desc1.items[0].cfg).toExist();
+
+    });
+
+});