#7 entry selector

src/state/actions.entries.js

@@ -1,3 +1,8 @@
+/**
+ * Name of action to set a page of entries
+ *
+ * @type {string}
+ */
 export const SET_ENTRIES = 'SET_ENTRIES';
 
 /**
@@ -13,6 +18,6 @@ export const setEntries = (formId, pageNumber, entries) => {
 		formId,
 		pageNumber,
 		entries
-	}
-}
+	};
+};
 

src/state/selectors.entries.js

@@ -0,0 +1,14 @@
+/**
+ * Get one page of a form's entries
+ * @param {String} formId ID of form these entries belong to.
+ * @param {Number} pageNumber Page number for these entries
+ * @param {Object} state Collection of entries, by form Id and page
+ * @return {*}
+ */
+export const getPageOfEntries = (formId,pageNumber,state) =>{
+	if( state.hasOwnProperty(formId) && state[formId].hasOwnProperty(pageNumber) ){
+		return state[formId][pageNumber];
+	}
+	return [];
+};
+

src/tests/reducers.test.js

@@ -43,6 +43,9 @@ import {
 import {setEntries} from "../state/actions.entries";
 
 describe( 'entriesReducer', () => {
+	it( 'does not effect other actions', () => {
+		expect( entriesReducer({a:1},{type:'INIT'})).toEqual({a:1});
+	});
 	it( 'adds a page of entries', () => {
 		const state = entriesReducer({}, setEntries(
 			'CF1',

src/tests/selectors.test.js

@@ -20,6 +20,8 @@ import {
 	getStyleIncludes,
 	getOtherSettings
 } from "../state/selectors.settings";
+import {entriesReducer} from "../state/reducers";
+import {getPageOfEntries} from "../state/selectors.entries";
 
 describe( 'settings selectors', () => {
 	const mockState = {
@@ -154,3 +156,36 @@ describe('Privacy settings selectors', () => {
 	});
 });
 
+describe( 'entries selector', () => {
+	it( 'finds entries', () => {
+		expect( getPageOfEntries(
+			'CF1',
+			2,
+			{
+				CF1 :{
+					2: {
+						a:1
+					}
+				}
+			}
+
+		) ).toEqual( {a:1})
+	});
+
+	it( 'Returns empty array for invalid page', () => {
+		expect(  getPageOfEntries(
+			'CF1',
+			2,
+			{
+				CF1 :{
+					1: {
+						a:1
+					}
+				}
+			}
+
+		) ).toEqual([]);
+	})
+});
+
+