comparison core/modules/search/tests/src/Functional/SearchSimplifyTest.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php
+
+namespace Drupal\Tests\search\Functional;
+
+use Drupal\Component\Utility\Unicode;
+
+/**
+ * Tests that the search_simply() function works as intended.
+ *
+ * @group search
+ */
+class SearchSimplifyTest extends SearchTestBase {
+  /**
+   * Tests that all Unicode characters simplify correctly.
+   */
+  public function testSearchSimplifyUnicode() {
+    // This test uses a file that was constructed so that the even lines are
+    // boundary characters, and the odd lines are valid word characters. (It
+    // was generated as a sequence of all the Unicode characters, and then the
+    // boundary characters (punctuation, spaces, etc.) were split off into
+    // their own lines).  So the even-numbered lines should simplify to nothing,
+    // and the odd-numbered lines we need to split into shorter chunks and
+    // verify that simplification doesn't lose any characters.
+    $input = file_get_contents(\Drupal::root() . '/core/modules/search/tests/UnicodeTest.txt');
+    $basestrings = explode(chr(10), $input);
+    $strings = [];
+    foreach ($basestrings as $key => $string) {
+      if ($key % 2) {
+        // Even line - should simplify down to a space.
+        $simplified = search_simplify($string);
+        $this->assertIdentical($simplified, ' ', "Line $key is excluded from the index");
+      }
+      else {
+        // Odd line, should be word characters.
+        // Split this into 30-character chunks, so we don't run into limits
+        // of truncation in search_simplify().
+        $start = 0;
+        while ($start < Unicode::strlen($string)) {
+          $newstr = Unicode::substr($string, $start, 30);
+          // Special case: leading zeros are removed from numeric strings,
+          // and there's one string in this file that is numbers starting with
+          // zero, so prepend a 1 on that string.
+          if (preg_match('/^[0-9]+$/', $newstr)) {
+            $newstr = '1' . $newstr;
+          }
+          $strings[] = $newstr;
+          $start += 30;
+        }
+      }
+    }
+    foreach ($strings as $key => $string) {
+      $simplified = search_simplify($string);
+      $this->assertTrue(Unicode::strlen($simplified) >= Unicode::strlen($string), "Nothing is removed from string $key.");
+    }
+
+    // Test the low-numbered ASCII control characters separately. They are not
+    // in the text file because they are problematic for diff, especially \0.
+    $string = '';
+    for ($i = 0; $i < 32; $i++) {
+      $string .= chr($i);
+    }
+    $this->assertIdentical(' ', search_simplify($string), 'Search simplify works for ASCII control characters.');
+  }
+
+  /**
+   * Tests that search_simplify() does the right thing with punctuation.
+   */
+  public function testSearchSimplifyPunctuation() {
+    $cases = [
+      ['20.03/94-28,876', '20039428876', 'Punctuation removed from numbers'],
+      ['great...drupal--module', 'great drupal module', 'Multiple dot and dashes are word boundaries'],
+      ['very_great-drupal.module', 'verygreatdrupalmodule', 'Single dot, dash, underscore are removed'],
+      ['regular,punctuation;word', 'regular punctuation word', 'Punctuation is a word boundary'],
+    ];
+
+    foreach ($cases as $case) {
+      $out = trim(search_simplify($case[0]));
+      $this->assertEqual($out, $case[1], $case[2]);
+    }
+  }
+
+}