71d37953d5
We used many global functions to handle tests when they should be imported like other libraries in our application. This also gets us closer to the way Ember CLI prefers our tests to be laid out.
98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
import { test, module } from "qunit";
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import EmberObject from "@ember/object";
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import Singleton from "discourse/mixins/singleton";
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module("mixin:singleton");
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test("current", (assert) => {
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var DummyModel = EmberObject.extend({});
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DummyModel.reopenClass(Singleton);
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var current = DummyModel.current();
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assert.present(current, "current returns the current instance");
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assert.equal(
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current,
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DummyModel.current(),
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"calling it again returns the same instance"
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);
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assert.notEqual(
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current,
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DummyModel.create({}),
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"we can create other instances that are not the same as current"
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);
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});
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test("currentProp reading", (assert) => {
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var DummyModel = EmberObject.extend({});
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DummyModel.reopenClass(Singleton);
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var current = DummyModel.current();
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assert.blank(
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DummyModel.currentProp("evil"),
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"by default attributes are blank"
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);
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current.set("evil", "trout");
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assert.equal(
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DummyModel.currentProp("evil"),
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"trout",
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"after changing the instance, the value is set"
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);
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});
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test("currentProp writing", (assert) => {
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var DummyModel = EmberObject.extend({});
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DummyModel.reopenClass(Singleton);
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assert.blank(
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DummyModel.currentProp("adventure"),
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"by default attributes are blank"
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);
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var result = DummyModel.currentProp("adventure", "time");
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assert.equal(result, "time", "it returns the new value");
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assert.equal(
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DummyModel.currentProp("adventure"),
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"time",
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"after calling currentProp the value is set"
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);
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DummyModel.currentProp("count", 0);
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assert.equal(DummyModel.currentProp("count"), 0, "we can set the value to 0");
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DummyModel.currentProp("adventure", null);
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assert.equal(
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DummyModel.currentProp("adventure"),
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null,
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"we can set the value to null"
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);
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});
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test("createCurrent", (assert) => {
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var Shoe = EmberObject.extend({});
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Shoe.reopenClass(Singleton, {
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createCurrent: function () {
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return Shoe.create({ toes: 5 });
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},
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});
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assert.equal(
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Shoe.currentProp("toes"),
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5,
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"it created the class using `createCurrent`"
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);
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});
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test("createCurrent that returns null", (assert) => {
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var Missing = EmberObject.extend({});
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Missing.reopenClass(Singleton, {
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createCurrent: function () {
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return null;
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},
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});
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assert.blank(Missing.current(), "it doesn't return an instance");
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assert.blank(
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Missing.currentProp("madeup"),
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"it won't raise an error asking for a property. Will just return null."
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);
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});
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