discourse/test/javascripts/lib/preload-store-test.js

66 lines
1.7 KiB
JavaScript

import PreloadStore from "preload-store";
import { Promise } from "rsvp";
QUnit.module("preload-store", {
beforeEach() {
PreloadStore.store("bane", "evil");
}
});
QUnit.test("get", assert => {
assert.blank(PreloadStore.get("joker"), "returns blank for a missing key");
assert.equal(
PreloadStore.get("bane"),
"evil",
"returns the value for that key"
);
});
QUnit.test("remove", assert => {
PreloadStore.remove("bane");
assert.blank(PreloadStore.get("bane"), "removes the value if the key exists");
});
QUnit.test(
"getAndRemove returns a promise that resolves to null",
async assert => {
assert.blank(await PreloadStore.getAndRemove("joker"));
}
);
QUnit.test(
"getAndRemove returns a promise that resolves to the result of the finder",
async assert => {
const finder = () => "batdance";
const result = await PreloadStore.getAndRemove("joker", finder);
assert.equal(result, "batdance");
}
);
QUnit.test(
"getAndRemove returns a promise that resolves to the result of the finder's promise",
async assert => {
const finder = () => Promise.resolve("hahahah");
const result = await PreloadStore.getAndRemove("joker", finder);
assert.equal(result, "hahahah");
}
);
QUnit.test(
"returns a promise that rejects with the result of the finder's rejected promise",
async assert => {
const finder = () => Promise.reject("error");
await PreloadStore.getAndRemove("joker", finder).catch(result => {
assert.equal(result, "error");
});
}
);
QUnit.test("returns a promise that resolves to 'evil'", async assert => {
const result = await PreloadStore.getAndRemove("bane");
assert.equal(result, "evil");
});