Ported reroll. Added unit tests. Added reroll route. Added integration tests

test/common/ops/reroll.js

@@ -0,0 +1,63 @@
+import reroll from '../../../common/script/ops/reroll';
+import i18n from '../../../common/script/i18n';
+import {
+  generateUser,
+  generateDaily,
+  generateReward,
+} from '../../helpers/common.helper';
+import {
+  NotAuthorized,
+} from '../../../common/script/libs/errors';
+
+describe('shared.ops.reroll', () => {
+  let user;
+  let tasks = [];
+
+  beforeEach(() => {
+    user = generateUser();
+    user.balance = 1;
+    tasks = [generateDaily(), generateReward()];
+  });
+
+  it('returns an error when user balance is too low', (done) => {
+    user.balance = 0;
+
+    try {
+      reroll(user);
+    } catch (err) {
+      expect(err).to.be.an.instanceof(NotAuthorized);
+      expect(err.message).to.equal(i18n.t('notEnoughGems'));
+      done();
+    }
+  });
+
+  it('rerolls a user with enough gems', () => {
+    let response = reroll(user);
+
+    expect(response.message).to.equal(i18n.t('rerollComplete'));
+  });
+
+  it('reduces a user\'s balance', () => {
+    reroll(user);
+
+    expect(user.balance).to.equal(0);
+  });
+
+  it('resets a user\'s health points', () => {
+    user.stats.hp = 40;
+
+    reroll(user);
+
+    expect(user.stats.hp).to.equal(50);
+  });
+
+  it('resets user\'s taks values except for rewards to 0', () => {
+    tasks[0].value = 1;
+    tasks[1].value = 1;
+
+    reroll(user, tasks);
+
+    expect(tasks[0].value).to.equal(0);
+    expect(tasks[1].value).to.equal(1);
+  });
+});