function DiffFormatterTest::testDiff

Tests whether op classes returned by DiffEngine::diff() match expectations.

@covers ::format
@dataProvider provideTestDiff

File

core/tests/Drupal/Tests/Component/Diff/DiffFormatterTest.php, line 53

Class

DiffFormatterTest

Test DiffFormatter classes.

Namespace

Code

public function testDiff($expected, $from, $to) : void {
  $diff = new Diff($from, $to);
  $formatter = new DiffFormatter();
  $output = $formatter->format($diff);
  $this->assertEquals($expected, $output);
}