function StyleSerializerTest::testSerializerViewsUI

Tests the views interface for REST export displays.

File

core/modules/rest/tests/src/Functional/Views/StyleSerializerTest.php, line 645

Class

StyleSerializerTest

Tests the serializer style plugin.

Namespace

Code

public function testSerializerViewsUI() {
    $this->drupalLogin($this->adminUser);
    // Click the "Update preview button".
    $this->drupalGet('admin/structure/views/view/test_serializer_display_field/edit/rest_export_1');
    $this->submitForm($edit = [], 'Update preview');
    $this->assertSession()
        ->statusCodeEquals(200);
    // Check if we receive the expected result.
    $result = $this->assertSession()
        ->elementExists('xpath', '//div[@id="views-live-preview"]/pre');
    $json_preview = $result->getText();
    $this->assertSame($json_preview, $this->drupalGet('test/serialize/field', [
        'query' => [
            '_format' => 'json',
        ],
    ]), 'The expected JSON preview output was found.');
}