Mocha tests for Solid backend

test/unit/solid.test.ts

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+import 'mocha';
+import chai, { expect } from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import Solid from "../../src/solid";
+import RemoteStorage from '../../src/remotestorage';
+
+chai.use(chaiAsPromised);
+
+
+describe('Solid backend', () => {
+    let rs, solid;
+
+    beforeEach(() => {
+        rs = new RemoteStorage();
+        solid = rs.solid;
+    });
+
+    afterEach(() => {
+        rs.stopSync();
+        rs.disconnect();
+        Solid._rs_cleanup(rs);
+    });
+
+    describe("configuration", () => {
+        it("configure sets userAddress when given", () => {
+            solid.configure({
+                userAddress: 'john.doe@gmail.com'
+            });
+            expect(solid.userAddress).to.equal('john.doe@gmail.com');
+        });
+
+        it("configure sets authURL when given", () => {
+            solid.configure({
+                href: 'https://solidcommunity.net'
+            });
+            expect(solid.authURL).to.equal('https://solidcommunity.net');
+        });
+
+        it("configure sets sessionProperties when given", () => {
+            solid.configure({
+                properties: {
+                  sessionProperties: { check: true }
+                }
+            });
+            expect(solid.sessionProperties).to.eql({ check: true });
+        });
+
+        it("configure sets podURL when given", () => {
+            solid.configure({
+                properties: {
+                  podURL: 'https://example.solidcommunity.net/'
+                }
+            });
+            expect(solid.selectedPodURL).to.equal('https://example.solidcommunity.net/');
+        });
+    });
+
+    describe("connection setup", () => {
+        it("setAuthURL will update auth URL", () => {
+            solid.setAuthURL('https://solidcommunity.net');
+            expect(solid.authURL).to.equal('https://solidcommunity.net');
+        });
+
+        it("setPodURL will update the selected pod URL", () => {
+            solid.setPodURL('https://example.solidcommunity.net/');
+            expect(solid.selectedPodURL).to.equal('https://example.solidcommunity.net/');
+        });
+
+        it("connect will emit error if the auth URL is not set", () => {
+            const errorCheck = { hasError: false };
+            rs.on('error', function(error) {
+                expect(error.message).to.equal('No authURL is configured.');
+                errorCheck.hasError = true;
+            });
+            solid.connect();
+            expect(errorCheck.hasError).to.eql(true);
+        });
+    });
+});