web/scripts/i18n/syncDefaultMessage/syncFormattedMessage.test.ts

import { describe, it, expect } from "vitest";
import { syncFormattedMessage } from "./syncFormattedMessage";

describe("syncFormattedMessage", () => {
    it("updated false when given empty file and no translations", () => {
        expect(
            syncFormattedMessage({ fileContent: "", translations: {} })
        ).toEqual({ updated: false });
    });
    it("updates <FormattedMessage> components", () => {
        expect(
            syncFormattedMessage({
                fileContent:
                    '<FormattedMessage id="myKey" defaultMessage="old message" />',
                translations: { myKey: "new message" },
            })
        ).toEqual({
            updated: true,
            fileContent:
                '<FormattedMessage id="myKey" defaultMessage="new message" />',
        });
    });

    it("updates multiline <FormattedMessage>", () => {
        expect(
            syncFormattedMessage({
                fileContent: `<FormattedMessage\n\tid="myKey"\n\tdefaultMessage="old message" />`,
                translations: { myKey: "new message" },
            })
        ).toEqual({
            updated: true,
            fileContent: `<FormattedMessage\n\tid="myKey"\n\tdefaultMessage="new message" />`,
        });
    });

    it("updates multiple <FormattedMessage> components", () => {
        expect(
            syncFormattedMessage({
                fileContent:
                    '<FormattedMessage id="myKey" defaultMessage="old message" />' +
                    '<FormattedMessage id="anotherKey" defaultMessage="another old message" />',
                translations: {
                    myKey: "new message",
                    anotherKey: "another new message",
                },
            })
        ).toEqual({
            updated: true,
            fileContent:
                '<FormattedMessage id="myKey" defaultMessage="new message" />' +
                '<FormattedMessage id="anotherKey" defaultMessage="another new message" />',
        });
    });

    it("updates nothing if no key was found", () => {
        expect(
            syncFormattedMessage({
                fileContent:
                    '<FormattedMessage id="myKey" defaultMessage="old message" />' +
                    '<FormattedMessage id="anotherKey" defaultMessage="another old message" />',
                translations: {
                    unusedKey: "new message",
                },
            })
        ).toEqual({
            updated: false,
        });
    });
});