discourse/test/javascripts/lib/computed-test.js

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import I18n from "I18n";
import EmberObject from "@ember/object";
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import {
setting,
propertyEqual,
propertyNotEqual,
fmt,
i18n,
url,
htmlSafe,
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} from "discourse/lib/computed";
import { setPrefix } from "discourse-common/lib/get-url";
import { discourseModule } from "helpers/qunit-helpers";
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discourseModule("lib:computed", {
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beforeEach() {
sandbox.stub(I18n, "t").callsFake(function (scope) {
return "%@ translated: " + scope;
});
},
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afterEach() {
I18n.t.restore();
},
});
QUnit.test("setting", function (assert) {
let t = EmberObject.extend({
siteSettings: this.siteSettings,
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vehicle: setting("vehicle"),
missingProp: setting("madeUpThing"),
}).create();
this.siteSettings.vehicle = "airplane";
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assert.equal(
t.get("vehicle"),
"airplane",
"it has the value of the site setting"
);
assert.ok(
!t.get("missingProp"),
"it is falsy when the site setting is not defined"
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);
});
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QUnit.test("propertyEqual", (assert) => {
var t = EmberObject.extend({
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same: propertyEqual("cookies", "biscuits"),
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}).create({
cookies: 10,
biscuits: 10,
});
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assert.ok(t.get("same"), "it is true when the properties are the same");
t.set("biscuits", 9);
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assert.ok(!t.get("same"), "it isn't true when one property is different");
});
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QUnit.test("propertyNotEqual", (assert) => {
var t = EmberObject.extend({
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diff: propertyNotEqual("cookies", "biscuits"),
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}).create({
cookies: 10,
biscuits: 10,
});
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assert.ok(!t.get("diff"), "it isn't true when the properties are the same");
t.set("biscuits", 9);
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assert.ok(t.get("diff"), "it is true when one property is different");
});
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QUnit.test("fmt", (assert) => {
var t = EmberObject.extend({
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exclaimyUsername: fmt("username", "!!! %@ !!!"),
multiple: fmt("username", "mood", "%@ is %@"),
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}).create({
username: "eviltrout",
mood: "happy",
});
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assert.equal(
t.get("exclaimyUsername"),
"!!! eviltrout !!!",
"it inserts the string"
);
assert.equal(
t.get("multiple"),
"eviltrout is happy",
"it inserts multiple strings"
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);
t.set("username", "codinghorror");
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assert.equal(
t.get("multiple"),
"codinghorror is happy",
"it supports changing properties"
);
t.set("mood", "ecstatic");
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assert.equal(
t.get("multiple"),
"codinghorror is ecstatic",
"it supports changing another property"
);
});
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QUnit.test("i18n", (assert) => {
var t = EmberObject.extend({
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exclaimyUsername: i18n("username", "!!! %@ !!!"),
multiple: i18n("username", "mood", "%@ is %@"),
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}).create({
username: "eviltrout",
mood: "happy",
});
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assert.equal(
t.get("exclaimyUsername"),
"%@ translated: !!! eviltrout !!!",
"it inserts the string and then translates"
);
assert.equal(
t.get("multiple"),
"%@ translated: eviltrout is happy",
"it inserts multiple strings and then translates"
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);
t.set("username", "codinghorror");
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assert.equal(
t.get("multiple"),
"%@ translated: codinghorror is happy",
"it supports changing properties"
);
t.set("mood", "ecstatic");
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assert.equal(
t.get("multiple"),
"%@ translated: codinghorror is ecstatic",
"it supports changing another property"
);
});
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QUnit.test("url", (assert) => {
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var t, testClass;
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testClass = EmberObject.extend({
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userUrl: url("username", "/u/%@"),
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});
t = testClass.create({ username: "eviltrout" });
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assert.equal(
t.get("userUrl"),
"/u/eviltrout",
"it supports urls without a prefix"
);
setPrefix("/prefixed");
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t = testClass.create({ username: "eviltrout" });
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assert.equal(
t.get("userUrl"),
"/prefixed/u/eviltrout",
"it supports urls with a prefix"
);
});
QUnit.test("htmlSafe", (assert) => {
const cookies = "<p>cookies and <b>biscuits</b></p>";
const t = EmberObject.extend({
desc: htmlSafe("cookies"),
}).create({ cookies });
assert.equal(t.get("desc").string, cookies);
});