nightscout#6701 Report storage tests

Functional and unit tests

tests/reports.test.js

@@ -340,5 +340,19 @@ describe('reports', function ( ) {
     });
 
   });
+
+    it ('Report preferences should stick when refreshing page', function (done) {
+        const client = window.Nightscout.client;
+        window.Nightscout.reportclient();
+        client.init(function afterInit ( ) {
+            client.dataUpdate(nowData);
+            ( $('#rp_optionsinsulin').prop('checked')).should.be.true();
+            $('#rp_optionsinsulin').click();
+            $('#rp_show').click();
+            location.reload();
+            ($('#rp_optionsinsulin').prop('checked')).should.be.false();
+            done()
+        });
+    });
 
 });

tests/reportstorage.test.js

@@ -0,0 +1,54 @@
+const should = require('should');
+const reportstorage = require('../lib/report/reportstorage');
+
+describe('reportstorage unit tests', () => {
+
+    it('reportstorage definition - returns saveProps and getValue function', () => {
+        reportstorage.should.not.be.undefined();
+        (reportstorage.getValue instanceof Function).should.be.true();
+        (reportstorage.saveProps instanceof Function).should.be.true();
+    });
+
+    it('reportstorage.getValue returns default properties', () => {
+        const defaultValues = {
+            insulin: true,
+            carbs: true,
+            basal: true,
+            notes: false,
+            food: true,
+            raw: false,
+            iob: false,
+            cob: false,
+            predicted: false,
+            openAps: false,
+            insulindistribution: true,
+            predictedTruncate: true
+        };
+        let keyCount = 0;
+        for (const v in defaultValues) {
+            reportstorage.getValue(v).should.equal(defaultValues[v]);
+            keyCount++;
+        }
+        keyCount.should.equal(Object.keys(defaultValues).length);
+    });
+
+    it('reportstorage.saveProps sets property in localstorage', () => {
+        const storage = require('js-storage').localStorage;
+        const mockStorage = require('./fixtures/localstorage');
+        storage.get = mockStorage.get;
+        storage.set = mockStorage.set;
+        reportstorage.saveProps({insulin: false});
+        should.exist(mockStorage.get('reportProperties'));
+        mockStorage.get('reportProperties').insulin.should.be.false();
+    });
+
+    it('reportstorage.saveProps ignores property not tracked', () => {
+        const storage = require('js-storage').localStorage;
+        const mockStorage = require('./fixtures/localstorage');
+        storage.get = mockStorage.get;
+        storage.set = mockStorage.set;
+        reportstorage.saveProps({foo: 'bar'});
+        should.exist(mockStorage.get('reportProperties'));
+        should.not.exist(mockStorage.get('reportProperties').foo);
+    });
+});