All files order-items.spec.js

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import { test } from 'blue-tape';
import { findLastIndex } from './utils';
 
import orderItems from './order-items';
 
const arbitraryItems = () => {
  const template = {
    type: 'template',
  };
  const page = {
    type: 'page',
  };
  const container = {
    type: 'container',
  };
  const feature = {
    type: 'feature',
  };
  const widget = {
    type: 'widget',
  };
  const arbitraryOtherItem = {
    type: 'arbitraryOtherType',
  };
 
  return [page, template, arbitraryOtherItem, container, feature, template, widget, feature];
};
 
const allBefore = (items, dependencyType, dependentType) => {
  const firstDependentIndex = items.findIndex(item => item.type === dependentType);
  const lastDependencyIndex = findLastIndex(items, item => item.type === dependencyType);
  return (lastDependencyIndex <= firstDependentIndex);
};
 
test('unit :: order-items :: default', (assert) => {
  const items = arbitraryItems();
  const ordered = orderItems(items);
 
  assert.ok(allBefore(ordered, 'template', 'container'), 'templates are before the containers');
  assert.ok(allBefore(ordered, 'template', 'page'), 'templates are before the pages');
  assert.ok(allBefore(ordered, 'feature', 'widget'), 'features are before the widgets');
  assert.ok(allBefore(ordered, 'arbitraryOtherType', 'template'), 'unknown types are sorted first');
  assert.end();
});