metamask-extension/test/e2e/tests/localization.spec.js

const { strict: assert } = require('assert')
const { By, Key } = require('selenium-webdriver')
const { withFixtures } = require('../helpers')

describe('Localization', function () {
  it('can correctly display Philippine peso symbol and code', async function () {
    const ganacheOptions = {
      accounts: [
        {
          secretKey:
            '0x7C9529A67102755B7E6102D6D950AC5D5863C98713805CEC576B945B15B71EAC',
          balance: 25000000000000000000,
        },
      ],
    }
    await withFixtures(
      { fixtures: 'localization', ganacheOptions, title: this.test.title },
      async ({ driver }) => {
        await driver.navigate()
        const passwordField = await driver.findElement(By.css('#password'))
        await passwordField.sendKeys('correct horse battery staple')
        await passwordField.sendKeys(Key.ENTER)
        const secondaryBalance = await driver.findElement(
          By.css('[data-testid="eth-overview__secondary-currency"]'),
        )
        const secondaryBalanceText = await secondaryBalance.getText()
        const [fiatAmount, fiatUnit] = secondaryBalanceText.trim().split(/\s+/u)
        assert.ok(fiatAmount.startsWith('₱'))
        assert.equal(fiatUnit, 'PHP')
      },
    )
  })
})