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diff core/modules/text/tests/src/Kernel/TextSummaryTest.php @ 0:c75dbcec494b

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Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/text/tests/src/Kernel/TextSummaryTest.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,230 @@
+<?php
+
+namespace Drupal\Tests\text\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\filter\Entity\FilterFormat;
+
+/**
+ * Tests text_summary() with different strings and lengths.
+ *
+ * @group text
+ */
+class TextSummaryTest extends KernelTestBase {
+
+  public static $modules = ['system', 'user', 'filter', 'text'];
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installConfig(['text']);
+  }
+
+  /**
+   * Tests an edge case where the first sentence is a question and
+   * subsequent sentences are not. This edge case is documented at
+   * https://www.drupal.org/node/180425.
+   */
+  public function testFirstSentenceQuestion() {
+    $text = 'A question? A sentence. Another sentence.';
+    $expected = 'A question? A sentence.';
+    $this->assertTextSummary($text, $expected, NULL, 30);
+  }
+
+  /**
+   * Test summary with long example.
+   */
+  public function testLongSentence() {
+    // 125.
+    $text =
+      'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. ' .
+      // 108.
+      'Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. ' .
+      // 103.
+      'Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. ' .
+      // 110.
+      'Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.';
+    $expected = 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. ' .
+                'Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. ' .
+                'Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.';
+    // First three sentences add up to: 336, so add one for space and then 3 to get half-way into next word.
+    $this->assertTextSummary($text, $expected, NULL, 340);
+  }
+
+  /**
+   * Test various summary length edge cases.
+   */
+  public function testLength() {
+    FilterFormat::create([
+      'format' => 'autop',
+      'filters' => [
+        'filter_autop' => [
+          'status' => 1,
+        ],
+      ],
+    ])->save();
+    FilterFormat::create([
+      'format' => 'autop_correct',
+      'filters' => [
+        'filter_autop' => [
+          'status' => 1,
+        ],
+        'filter_htmlcorrector' => [
+          'status' => 1,
+        ],
+      ],
+    ])->save();
+
+    // This string tests a number of edge cases.
+    $text = "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>";
+
+    // The summaries we expect text_summary() to return when $size is the index
+    // of each array item.
+    // Using no text format:
+    $format = NULL;
+    $i = 0;
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<", $format, $i++);
+    $this->assertTextSummary($text, "<p", $format, $i++);
+    $this->assertTextSummary($text, "<p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\n", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nH", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n<", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+
+    // Using a text format with filter_autop enabled.
+    $format = 'autop';
+    $i = 0;
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<", $format, $i++);
+    $this->assertTextSummary($text, "<p", $format, $i++);
+    $this->assertTextSummary($text, "<p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+
+    // Using a text format with filter_autop and filter_htmlcorrector enabled.
+    $format = 'autop_correct';
+    $i = 0;
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "", $format, $i++);
+    $this->assertTextSummary($text, "<p></p>", $format, $i++);
+    $this->assertTextSummary($text, "<p></p>", $format, $i++);
+    $this->assertTextSummary($text, "<p></p>", $format, $i++);
+    $this->assertTextSummary($text, "<p></p>", $format, $i++);
+    $this->assertTextSummary($text, "<p></p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+    $this->assertTextSummary($text, "<p>\nHi\n</p>\n<p>\nfolks\n<br />\n!\n</p>", $format, $i++);
+  }
+
+  /**
+   * Test text_summary() returns an empty string without any error when called
+   * with an invalid format.
+   */
+  public function testInvalidFilterFormat() {
+
+    $this->assertTextSummary($this->randomString(100), '', 'non_existent_format');
+  }
+
+  /**
+   * Calls text_summary() and asserts that the expected teaser is returned.
+   */
+  public function assertTextSummary($text, $expected, $format = NULL, $size = NULL) {
+    $summary = text_summary($text, $format, $size);
+    $this->assertIdentical($summary, $expected, format_string('<pre style="white-space: pre-wrap">@actual</pre> is identical to <pre style="white-space: pre-wrap">@expected</pre>', [
+      '@actual' => $summary,
+      '@expected' => $expected,
+    ]));
+  }
+
+}