--- /dev/null
+<?php
+
+namespace Drupal\Tests\devel\Functional;
+
+use Drupal\Component\Render\FormattableMarkup;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests pluggable dumper feature.
+ *
+ * @group devel
+ */
+class DevelDumperTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['devel', 'devel_dumper_test'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $admin_user = $this->drupalCreateUser(['administer site configuration', 'access devel information']);
+ $this->drupalLogin($admin_user);
+ }
+
+ /**
+ * Test dumpers configuration page.
+ */
+ public function testDumpersConfiguration() {
+ $this->drupalGet('admin/config/development/devel');
+
+ // Ensures that the dumper input is present on the config page.
+ $this->assertSession()->fieldExists('dumper');
+
+ // Ensures that the 'default' dumper is enabled by default.
+ $this->assertSession()->checkboxChecked('edit-dumper-default');
+
+ // Ensures that all dumpers declared by devel are present on the config page
+ // and that only the available dumpers are selectable.
+ $dumpers = [
+ 'default',
+ 'drupal_variable',
+ 'firephp',
+ 'chromephp',
+ 'var_dumper',
+ ];
+ $available_dumpers = ['default', 'drupal_variable'];
+
+ foreach ($dumpers as $dumper) {
+ $this->assertFieldByXPath('//input[@type="radio" and @name="dumper"]', $dumper);
+ if (in_array($dumper, $available_dumpers)) {
+ $this->assertFieldByXPath('//input[@name="dumper" and not(@disabled="disabled")]', $dumper);
+ }
+ else {
+ $this->assertFieldByXPath('//input[@name="dumper" and @disabled="disabled"]', $dumper);
+ }
+ }
+
+ // Ensures that dumper plugins declared by other modules are present on the
+ // config page and that only the available dumpers are selectable.
+ $this->assertFieldByXPath('//input[@name="dumper"]', 'available_test_dumper');
+ $this->assertSession()->pageTextContains('Available test dumper.');
+ $this->assertSession()->pageTextContains('Drupal dumper for testing purposes (available).');
+ $this->assertFieldByXPath('//input[@name="dumper" and not(@disabled="disabled")]', 'available_test_dumper', 'Available dumper input not is disabled.');
+
+ $this->assertFieldByXPath('//input[@name="dumper"]', 'not_available_test_dumper');
+ $this->assertSession()->pageTextContains('Not available test dumper.');
+ $this->assertSession()->pageTextContains('Drupal dumper for testing purposes (not available).Not available. You may need to install external dependencies for use this plugin.');
+ $this->assertFieldByXPath('//input[@name="dumper" and @disabled="disabled"]', 'not_available_test_dumper', 'Non available dumper input is disabled.');
+
+ // Ensures that saving of the dumpers configuration works as expected.
+ $edit = [
+ 'dumper' => 'drupal_variable',
+ ];
+ $this->drupalPostForm('admin/config/development/devel', $edit, t('Save configuration'));
+ $this->assertSession()->pageTextContains(t('The configuration options have been saved.'));
+
+ $config = \Drupal::config('devel.settings')->get('devel_dumper');
+ $this->assertEquals('drupal_variable', $config, 'The configuration options have been properly saved');
+
+ // Ensure that if the chosen dumper is not available (e.g. the module that
+ // provide it is uninstalled) the 'default' dumper appears selected in the
+ // config page.
+ \Drupal::service('module_installer')->install(['kint']);
+
+ $this->drupalGet('admin/config/development/devel');
+ $this->assertFieldByXPath('//input[@name="dumper"]', 'kint');
+
+ $edit = [
+ 'dumper' => 'kint',
+ ];
+ $this->drupalPostForm('admin/config/development/devel', $edit, t('Save configuration'));
+ $this->assertSession()->pageTextContains(t('The configuration options have been saved.'));
+
+ $config = \Drupal::config('devel.settings')->get('devel_dumper');
+ $this->assertEquals('kint', $config, 'The configuration options have been properly saved');
+
+ \Drupal::service('module_installer')->uninstall(['kint']);
+
+ $this->drupalGet('admin/config/development/devel');
+ $this->assertNoFieldByXPath('//input[@name="dumper"]', 'kint');
+ $this->assertSession()->checkboxChecked('edit-dumper-default');
+ }
+
+ /**
+ * Test variable is dumped in page.
+ */
+ function testDumpersOutput() {
+ $edit = [
+ 'dumper' => 'available_test_dumper',
+ ];
+ $this->drupalPostForm('admin/config/development/devel', $edit, t('Save configuration'));
+ $this->assertSession()->pageTextContains(t('The configuration options have been saved.'));
+
+ $this->drupalGet('devel_dumper_test/dump');
+ $elements = $this->xpath('//body/pre[contains(text(), :message)]', [':message' => 'AvailableTestDumper::dump() Test output']);
+ $this->assertTrue(!empty($elements), 'Dumped message is present.');
+
+ $this->drupalGet('devel_dumper_test/message');
+ $elements = $this->xpath('//div[contains(@class, "messages")]/pre[contains(text(), :message)]', [':message' => 'AvailableTestDumper::export() Test output']);
+ $this->assertTrue(!empty($elements), 'Dumped message is present.');
+
+ $this->drupalGet('devel_dumper_test/export');
+ $elements = $this->xpath('//div[@class="layout-content"]//pre[contains(text(), :message)]', [':message' => 'AvailableTestDumper::export() Test output']);
+ $this->assertTrue(!empty($elements), 'Dumped message is present.');
+
+ $this->drupalGet('devel_dumper_test/export_renderable');
+ $elements = $this->xpath('//div[@class="layout-content"]//pre[contains(text(), :message)]', [':message' => 'AvailableTestDumper::exportAsRenderable() Test output']);
+ $this->assertTrue(!empty($elements), 'Dumped message is present.');
+ // Ensures that plugins can add libraries to the page when the
+ // ::exportAsRenderable() method is used.
+ $this->assertSession()->responseContains('devel_dumper_test/css/devel_dumper_test.css');
+ $this->assertSession()->responseContains('devel_dumper_test/js/devel_dumper_test.js');
+
+ $debug_filename = file_directory_temp() . '/drupal_debug.txt';
+
+ $this->drupalGet('devel_dumper_test/debug');
+ $file_content = file_get_contents($debug_filename);
+ $expected = <<<EOF
+<pre>AvailableTestDumper::export() Test output</pre>
+
+EOF;
+ $this->assertEquals($file_content, $expected, 'Dumped message is present.');
+
+ // Ensures that the DevelDumperManager::debug() is not access checked and
+ // that the dump is written in the debug file even if the user has not the
+ // 'access devel information' permission.
+ file_put_contents($debug_filename, '');
+ $this->drupalLogout();
+ $this->drupalGet('devel_dumper_test/debug');
+ $file_content = file_get_contents($debug_filename);
+ $expected = <<<EOF
+<pre>AvailableTestDumper::export() Test output</pre>
+
+EOF;
+ $this->assertEquals($file_content, $expected, 'Dumped message is present.');
+ }
+
+}