function DiffFormatterTest::provideTestDiff

Return value

array

• Expected formatted diff output.
• First array of text to diff.
• Second array of text to diff.

File

core/tests/Drupal/Tests/Component/Diff/DiffFormatterTest.php, line 27

Class

DiffFormatterTest

Test DiffFormatter classes.

Namespace

Code

public static function provideTestDiff() : array {
  return [
    'empty' => [
      '',
      [],
      [],
    ],
    'add' => [
      "3a3\n> line2a\n",
      [
        'line1',
        'line2',
        'line3',
      ],
      [
        'line1',
        'line2',
        'line2a',
        'line3',
      ],
    ],
    'delete' => [
      "3d3\n< line2a\n",
      [
        'line1',
        'line2',
        'line2a',
        'line3',
      ],
      [
        'line1',
        'line2',
        'line3',
      ],
    ],
    'change' => [
      "3c3\n< line2a\n---\n> line2b\n",
      [
        'line1',
        'line2',
        'line2a',
        'line3',
      ],
      [
        'line1',
        'line2',
        'line2b',
        'line3',
      ],
    ],
    // Lines are compared including their end of line markings, so lines
    // differing only by those are a change. Differ's mismatched line ending
    // warning is not part of the output.
'change, line endings differ' => [
      "1c1\n< foo\r\n\n---\n> foo\n\n",
      [
        "foo\r\n",
      ],
      [
        "foo\n",
      ],
    ],
    'change, line endings differ on multiple lines' => [
      "1,2c1,2\n< line1\r\n\n< line2\r\n\n---\n> line1\n\n> line2\n\n",
      [
        "line1\r\n",
        "line2\r\n",
      ],
      [
        "line1\n",
        "line2\n",
      ],
    ],
    'copy, line endings match' => [
      '',
      [
        "foo\r\n",
      ],
      [
        "foo\r\n",
      ],
    ],
  ];
}