chore: 🤖 build out textarea component

addons/rose/tests/integration/components/rose/form/textarea-test.js

@@ -0,0 +1,37 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'ember-qunit';
+import { render, find } from '@ember/test-helpers';
+import hbs from 'htmlbars-inline-precompile';
+
+module('Integration | Component | rose/form/textarea', function (hooks) {
+  setupRenderingTest(hooks);
+
+  test('it renders', async function (assert) {
+    await render(hbs`<Rose::Form::Textarea @value="Text" @label="Label" />`);
+    assert.equal(await find('label').textContent.trim(), 'Label');
+    assert.equal(await find('textarea').value, 'Text');
+  });
+
+  test('it displays optional helper text', async function (assert) {
+    await render(hbs`<Rose::Form::Textarea @helperText="Help me" />`);
+    assert.equal(
+      await find('.rose-form-input-helper-text').textContent.trim(),
+      'Help me'
+    );
+  });
+
+  test('it supports disabled attribute', async function (assert) {
+    await render(hbs`<Rose::Form::Textarea disabled={{true}} />`);
+    assert.ok(await find('[disabled]'));
+  });
+
+  test('it supports readonly attribute', async function (assert) {
+    await render(hbs`<Rose::Form::Textarea readonly={{true}} />`);
+    assert.ok(await find('[readonly]'));
+  });
+
+  test('it gets an `error` class when @error=true', async function (assert) {
+    await render(hbs`<Rose::Form::Textarea @error={{true}} />`);
+    assert.ok(await find('.error'));
+  });
+});