class DevelDumperTest

class DevelDumperTest extends DevelBrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var string[]
     */
    protected static $modules = [
        'devel',
        'devel_dumper_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalLogin($this->adminUser);
    }
    
    /**
     * Test dumpers configuration page.
     */
    public function testDumpersConfiguration() : void {
        $this->drupalGet('admin/config/development/devel');
        // Ensures that the dumper input is present on the config page.
        $this->assertSession()
            ->fieldExists('dumper');
        // No need to ensure that the 'default' dumper is enabled by default via
        // "checkboxChecked('edit-dumper-default')" since devel_install does dynamic
        // default.
        // Ensures that all dumpers (both those declared by devel and by other
        // modules) are present on the config page and that only the available
        // dumpers are selectable.
        $dumpers = [
            'var_dumper' => 'Symfony var-dumper',
            'available_test_dumper' => 'Available test dumper',
            'not_available_test_dumper' => 'Not available test dumper',
        ];
        $available_dumpers = [
            'default',
            'var_dumper',
            'available_test_dumper',
        ];
        foreach ($dumpers as $dumper => $label) {
            // Check that a radio option exists for the specified dumper.
            $this->assertSession()
                ->elementExists('xpath', '//input[@type="radio" and @name="dumper" and @value="' . $dumper . '"]');
            $this->assertSession()
                ->pageTextContains($label);
            // Check that the available dumpers are enabled and the non-available
            // dumpers are not enabled.
            if (in_array($dumper, $available_dumpers)) {
                $this->assertSession()
                    ->elementExists('xpath', '//input[@name="dumper" and not(@disabled="disabled") and @value="' . $dumper . '"]');
            }
            else {
                $this->assertSession()
                    ->elementExists('xpath', '//input[@name="dumper" and @disabled="disabled" and @value="' . $dumper . '"]');
            }
        }
        // Ensures that saving of the dumpers configuration works as expected.
        $edit = [
            'dumper' => 'var_dumper',
        ];
        $this->submitForm($edit, 'Save configuration');
        $this->assertSession()
            ->pageTextContains('The configuration options have been saved.');
        $this->assertSession()
            ->checkboxChecked('Symfony var-dumper');
        $config = \Drupal::config('devel.settings')->get('devel_dumper');
        $this->assertEquals('var_dumper', $config, 'The configuration options have been properly saved');
    }
    
    /**
     * Test variable is dumped in page.
     */
    public function testDumpersOutput() : void {
        $edit = [
            'dumper' => 'available_test_dumper',
        ];
        $this->drupalGet('admin/config/development/devel');
        $this->submitForm($edit, 'Save configuration');
        $this->assertSession()
            ->pageTextContains('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',
        ]);
        $this->assertNotEmpty($elements, 'Dumped message #1 is present.');
        $this->drupalGet('devel_dumper_test/message');
        $elements = $this->xpath('//div[@aria-label="Status message"]/pre[contains(text(), :message)]', [
            ':message' => 'AvailableTestDumper::export() Test output',
        ]);
        $this->assertNotEmpty($elements, 'Dumped message #2 is present.');
        $this->drupalGet('devel_dumper_test/export');
        $elements = $this->xpath('//div[@class="layout-content"]//pre[contains(text(), :message)]', [
            ':message' => 'AvailableTestDumper::export() Test output',
        ]);
        $this->assertNotEmpty($elements, 'Dumped message #3 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',
        ]);
        $this->assertNotEmpty($elements, 'Dumped message #4 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 = \Drupal::service('file_system')->getTempDirectory() . '/' . '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, $expected, 'Dumped message #5 is present.');
        // Ensures that the DevelDumperManager::debug() is not access checked and
        // that the dump is written in the debug file even if the user has not the
        // 'access devel information' permission.
        file_put_contents($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 #6 is present.');
    }

}