Merge pull request #5050 from alphagov/jsdom-hint-template-tests

Update hint template tests to use jsdom

src/govuk/components/hint/template.jsdom.test.js

@@ -0,0 +1,64 @@
+const { getExamples, render } = require('@govuk-frontend/lib/components')
+
+describe('Hint', () => {
+  let examples
+
+  beforeAll(async () => {
+    examples = await getExamples('hint')
+  })
+
+  it('contains the hint text', () => {
+    document.body.innerHTML = render('hint', examples.default)
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toHaveTextContent(
+      "It's on your National Insurance card, benefit letter, payslip or P60. For example, 'QQ 12 34 56 C'."
+    )
+  })
+
+  it('includes additional classes from the `classes` option', () => {
+    document.body.innerHTML = render('hint', examples.classes)
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toHaveClass('app-hint--custom-modifier')
+  })
+
+  it('does not include an `id` attribute if the `id` option is not set', () => {
+    document.body.innerHTML = render('hint', examples.default)
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).not.toHaveAttribute('id')
+  })
+
+  it('sets the `id` attribute based on the `id` option', () => {
+    document.body.innerHTML = render('hint', examples.id)
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toHaveAttribute('id', 'my-hint')
+  })
+
+  it('escapes HTML when using the `text` option', () => {
+    document.body.innerHTML = render('hint', examples['html as text'])
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toHaveTextContent(
+      'Unexpected <strong>bold text</strong> in body'
+    )
+  })
+
+  it('does not escape HTML when using the `html` option', () => {
+    document.body.innerHTML = render('hint', examples['with html'])
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toContainHTML(
+      'It\'s on your National Insurance card, benefit letter, payslip or <a class="govuk-link" href="#">P60</a>.\n  For example, \'QQ 12 34 56 C\'.'
+    )
+  })
+
+  it('sets any additional attributes based on the `attributes` option', () => {
+    document.body.innerHTML = render('hint', examples.attributes)
+
+    const $component = document.querySelector('.govuk-hint')
+    expect($component).toHaveAttribute('data-attribute', 'my data value')
+  })
+})