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test: add unit tests for getClientConfig #6851

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25 changes: 25 additions & 0 deletions test/get-client-config.test.ts
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Original file line number Diff line number Diff line change
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import { getClientConfig } from "../app/config/client";

describe("getClientConfig (client side)", () => {
afterEach(() => {
document
.querySelectorAll("meta[name='config']")
.forEach((meta) => meta.remove());
});

test("returns an empty object when no config meta tag is present", () => {
expect(getClientConfig()).toEqual({});
});

test("parses the JSON payload from the config meta tag", () => {
const meta = document.createElement("meta");
meta.name = "config";
meta.content = JSON.stringify({ buildMode: "standalone", isApp: false });
document.head.appendChild(meta);

expect(getClientConfig()).toEqual({
buildMode: "standalone",
isApp: false,
});
});
});