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metamask-extension/test/unit-global/balance-formatter.test.js

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import { strict as assert } from 'assert';
import currencyFormatter from 'currency-formatter';
import availableCurrencies from '../../ui/helpers/constants/available-conversions.json';
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describe('currencyFormatting', function () {
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it('be able to format any infura currency', function (done) {
const number = 10000;
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availableCurrencies.forEach((conversion) => {
const code = conversion.code.toUpperCase();
const result = currencyFormatter.format(number, { code });
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switch (code) {
case 'USD':
assert.equal(result, '$10,000.00');
break;
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case 'JPY':
assert.equal(result, '¥10,000');
break;
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default:
assert.ok(result, `Currency ${code} formatted as ${result}`);
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}
});
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done();
});
});