86 lines
2.6 KiB
JavaScript
86 lines
2.6 KiB
JavaScript
import { find, findAll } from 'ember-native-dom-helpers';
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import { test, moduleForComponent } from 'ember-qunit';
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import hbs from 'htmlbars-inline-precompile';
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import flat from 'npm:flat';
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const { flatten } = flat;
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moduleForComponent('attributes-table', 'Integration | Component | attributes table', {
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integration: true,
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});
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const commonAttributes = {
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key: 'value',
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nested: {
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props: 'are',
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supported: 'just',
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fine: null,
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},
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so: {
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are: {
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deeply: {
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nested: 'properties',
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like: 'these ones',
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},
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},
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},
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};
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test('should render a row for each key/value pair in a deep object', function(assert) {
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this.set('attributes', commonAttributes);
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this.render(hbs`{{attributes-table attributes=attributes}}`);
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const rowsCount = Object.keys(flatten(commonAttributes)).length;
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assert.equal(
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this.$('[data-test-attributes-section]').has('[data-test-value]').length,
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rowsCount,
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`Table has ${rowsCount} rows with values`
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);
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});
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test('should render the full path of key/value pair from the root of the object', function(assert) {
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this.set('attributes', commonAttributes);
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this.render(hbs`{{attributes-table attributes=attributes}}`);
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assert.equal(find('[data-test-key]').textContent.trim(), 'key', 'Row renders the key');
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assert.equal(find('[data-test-value]').textContent.trim(), 'value', 'Row renders the value');
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const deepRow = findAll('[data-test-attributes-section]')[8];
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assert.equal(
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deepRow.querySelector('[data-test-key]').textContent.trim(),
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'so.are.deeply.nested',
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'Complex row renders the full path to the key'
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);
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assert.equal(
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deepRow.querySelector('[data-test-prefix]').textContent.trim(),
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'so.are.deeply.',
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'The prefix is faded to put emphasis on the attribute'
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);
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assert.equal(deepRow.querySelector('[data-test-value]').textContent.trim(), 'properties');
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});
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test('should render a row for key/value pairs even when the value is another object', function(
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assert
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) {
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this.set('attributes', commonAttributes);
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this.render(hbs`{{attributes-table attributes=attributes}}`);
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const countOfParentRows = countOfParentKeys(commonAttributes);
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assert.equal(
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findAll('[data-test-heading]').length,
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countOfParentRows,
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'Each key for a nested object gets a row with no value'
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);
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});
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function countOfParentKeys(obj) {
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return Object.keys(obj).reduce((count, key) => {
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const value = obj[key];
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return isObject(value) ? count + 1 + countOfParentKeys(value) : count;
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}, 0);
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}
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function isObject(value) {
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return !Array.isArray(value) && value != null && typeof value === 'object';
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}
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