Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\text\Kernel;
Chris@0: 
Chris@0: use Drupal\KernelTests\KernelTestBase;
Chris@0: use Drupal\filter\Entity\FilterFormat;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests text_summary() with different strings and lengths.
Chris@0:  *
Chris@0:  * @group text
Chris@0:  */
Chris@0: class TextSummaryTest extends KernelTestBase {
Chris@0: 
Chris@0:   public static $modules = ['system', 'user', 'filter', 'text'];
Chris@0: 
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0: 
Chris@0:     $this->installConfig(['text']);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests an edge case where the first sentence is a question and
Chris@0:    * subsequent sentences are not. This edge case is documented at
Chris@0:    * https://www.drupal.org/node/180425.
Chris@0:    */
Chris@0:   public function testFirstSentenceQuestion() {
Chris@0:     $text = 'A question? A sentence. Another sentence.';
Chris@0:     $expected = 'A question? A sentence.';
Chris@0:     $this->assertTextSummary($text, $expected, NULL, 30);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test summary with long example.
Chris@0:    */
Chris@0:   public function testLongSentence() {
Chris@0:     // 125.
Chris@0:     $text =
Chris@0:       'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. ' .
Chris@0:       // 108.
Chris@0:       'Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. ' .
Chris@0:       // 103.
Chris@0:       'Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. ' .
Chris@0:       // 110.
Chris@0:       'Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.';
Chris@0:     $expected = 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. ' .
Chris@0:                 'Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. ' .
Chris@0:                 'Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.';
Chris@0:     // First three sentences add up to: 336, so add one for space and then 3 to get half-way into next word.
Chris@0:     $this->assertTextSummary($text, $expected, NULL, 340);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test various summary length edge cases.
Chris@0:    */
Chris@0:   public function testLength() {
Chris@0:     FilterFormat::create([
Chris@0:       'format' => 'autop',
Chris@0:       'filters' => [
Chris@0:         'filter_autop' => [
Chris@0:           'status' => 1,
Chris@0:         ],
Chris@0:       ],
Chris@0:     ])->save();
Chris@0:     FilterFormat::create([
Chris@0:       'format' => 'autop_correct',
Chris@0:       'filters' => [
Chris@0:         'filter_autop' => [
Chris@0:           'status' => 1,
Chris@0:         ],
Chris@0:         'filter_htmlcorrector' => [
Chris@0:           'status' => 1,
Chris@0:         ],
Chris@0:       ],
Chris@0:     ])->save();
Chris@0: 
Chris@0:     // This string tests a number of edge cases.
Chris@0:     $text = "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>";
Chris@0: 
Chris@0:     // The summaries we expect text_summary() to return when $size is the index
Chris@0:     // of each array item.
Chris@0:     // Using no text format:
Chris@0:     $format = NULL;
Chris@0:     $i = 0;
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\n", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nH", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n<", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0: 
Chris@0:     // Using a text format with filter_autop enabled.
Chris@0:     $format = 'autop';
Chris@0:     $i = 0;
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0: 
Chris@0:     // Using a text format with filter_autop and filter_htmlcorrector enabled.
Chris@0:     $format = 'autop_correct';
Chris@0:     $i = 0;
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p></p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p></p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p></p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p></p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p></p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:     $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@14:    * Test text_summary() returns an empty string without any error when called
Chris@14:    * with an invalid format.
Chris@14:    */
Chris@14:   public function testInvalidFilterFormat() {
Chris@14: 
Chris@14:     $this->assertTextSummary($this->randomString(100), '', 'non_existent_format');
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@0:    * Calls text_summary() and asserts that the expected teaser is returned.
Chris@0:    */
Chris@0:   public function assertTextSummary($text, $expected, $format = NULL, $size = NULL) {
Chris@0:     $summary = text_summary($text, $format, $size);
Chris@0:     $this->assertIdentical($summary, $expected, format_string('<pre style="white-space: pre-wrap">@actual</pre> is identical to <pre style="white-space: pre-wrap">@expected</pre>', [
Chris@0:       '@actual' => $summary,
Chris@0:       '@expected' => $expected,
Chris@0:     ]));
Chris@0:   }
Chris@0: 
Chris@0: }