Merge branch 'shared-code-random-drop' of https://github.com/piousbox/habitrpg into piousbox-shared-code-random-drop2

test/common/fns/randomDrop.test.js

@@ -0,0 +1,165 @@
+// TODO disable until we can find a way to stub predictableRandom
+
+/* eslint-disable */
+
+import randomDrop from '../../../common/script/fns/randomDrop';
+import {
+  generateUser,
+  generateTodo,
+  generateHabit,
+  generateDaily,
+  generateReward,
+} from '../../helpers/common.helper';
+// import predictableRandom from '../../../common/script/fns/predictableRandom'; // eslint-disable
+import content from '../../../common/script/content/index';
+
+xdescribe('common.fns.randomDrop', () => {
+  let user;
+  let task;
+  let predictableRandom;
+
+  beforeEach(() => {
+    user = generateUser();
+    user._tmp = user._tmp ? user._tmp : {};
+    task = generateTodo({ userId: user._id });
+    predictableRandom = () => {
+      return 0.5;
+    };
+  });
+
+  /**
+   * function signature as follows:
+   * randomDrop(user, modifiers) {}
+   * modifiers = { task, delta = null }
+   **/
+
+  it('drops an item for the user.party.quest.progress', () => {
+    expect(user.party.quest.progress.collect).to.eql({});
+    user.party.quest.key = 'vice2';
+    let collectWhat = Object.keys(content.quests[user.party.quest.key].collect)[0]; // lightCrystal
+    predictableRandom = () => {
+      return 0.0001;
+    };
+    randomDrop(user, { task });
+    expect(user.party.quest.progress.collect[collectWhat]).to.eql(1);
+    randomDrop(user, { task });
+    expect(user.party.quest.progress.collect[collectWhat]).to.eql(2);
+  });
+
+  context('drops enabled', () => {
+    beforeEach(() => {
+      user.flags.dropsEnabled = true;
+      task.priority = 100000;
+    });
+
+    it('does nothing if user.items.lastDrop.count is exceeded', () => {
+      user.items.lastDrop.count = 100;
+      randomDrop(user, { task });
+      expect(user._tmp).to.eql({});
+    });
+
+    it('drops something when the task is a todo', () => {
+      expect(user._tmp).to.eql({});
+      user.flags.dropsEnabled = true;
+      predictableRandom = () => {
+        return 0.1;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp).to.not.eql({});
+    });
+
+    it('drops something when the task is a habit', () => {
+      task = generateHabit({ userId: user._id });
+      expect(user._tmp).to.eql({});
+      user.flags.dropsEnabled = true;
+      predictableRandom = () => {
+        return 0.1;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp).to.not.eql({});
+    });
+
+    it('drops something when the task is a daily', () => {
+      task = generateDaily({ userId: user._id });
+      expect(user._tmp).to.eql({});
+      user.flags.dropsEnabled = true;
+      predictableRandom = () => {
+        return 0.1;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp).to.not.eql({});
+    });
+
+    it('drops something when the task is a reward', () => {
+      task = generateReward({ userId: user._id });
+      expect(user._tmp).to.eql({});
+      user.flags.dropsEnabled = true;
+      predictableRandom = () => {
+        return 0.1;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp).to.not.eql({});
+    });
+
+    it('drops food', () => {
+      predictableRandom = () => {
+        return 0.65;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp.drop.type).to.eql('Food');
+    });
+
+    it('drops eggs', () => {
+      predictableRandom = () => {
+        return 0.35;
+      };
+      randomDrop(user, { task });
+      expect(user._tmp.drop.type).to.eql('Egg');
+    });
+
+    context('drops hatching potion', () => {
+      it('drops a very rare potion', () => {
+        predictableRandom = () => {
+          return 0.01;
+        };
+        randomDrop(user, { task });
+        expect(user._tmp.drop.type).to.eql('HatchingPotion');
+        expect(user._tmp.drop.value).to.eql(5);
+        expect(user._tmp.drop.key).to.eql('Golden');
+      });
+
+      it('drops a rare potion', () => {
+        predictableRandom = () => {
+          return 0.08;
+        };
+        randomDrop(user, { task });
+        expect(user._tmp.drop.type).to.eql('HatchingPotion');
+        expect(user._tmp.drop.value).to.eql(4);
+        let acceptableDrops = ['Zombie', 'CottonCandyPink', 'CottonCandyBlue'];
+        expect(acceptableDrops).to.contain(user._tmp.drop.key); // deterministically 'CottonCandyBlue'
+      });
+
+      it('drops an uncommon potion', () => {
+        predictableRandom = () => {
+          return 0.17;
+        };
+        randomDrop(user, { task });
+        expect(user._tmp.drop.type).to.eql('HatchingPotion');
+        expect(user._tmp.drop.value).to.eql(3);
+        let acceptableDrops = ['Red', 'Shade', 'Skeleton'];
+        expect(acceptableDrops).to.contain(user._tmp.drop.key); // always skeleton
+      });
+
+      it('drops a common potion', () => {
+        predictableRandom = () => {
+          return 0.20;
+        };
+        randomDrop(user, { task });
+        expect(user._tmp.drop.type).to.eql('HatchingPotion');
+        expect(user._tmp.drop.value).to.eql(2);
+        let acceptableDrops = ['Base', 'White', 'Desert'];
+        expect(acceptableDrops).to.contain(user._tmp.drop.key); // always Desert
+      });
+    });
+  });
+});