function simpletest_generate_file in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/simpletest/simpletest.module \simpletest_generate_file()

Generates a test file.

Parameters

string $filename: The name of the file, including the path. The suffix '.txt' is appended to the supplied file name and the file is put into the public:// files directory.

int $width: The number of characters on one line.

int $lines: The number of lines in the file.

string $type: (optional) The type, one of:

• text: The generated file contains random ASCII characters.
• binary: The generated file contains random characters whose codes are in the range of 0 to 31.
• binary-text: The generated file contains random sequence of '0' and '1' values.

Return value

string The name of the file, including the path.

2 calls to simpletest_generate_file()

FileFieldDisplayTest::testNodeDisplay in core/modules/file/src/Tests/FileFieldDisplayTest.php

Tests normal formatter display on node display.

WebTestBase::drupalGetTestFiles in core/modules/simpletest/src/WebTestBase.php

Gets a list of files that can be used in tests.

File

core/modules/simpletest/simpletest.module, line 542

Provides testing functionality.

Code

function simpletest_generate_file($filename, $width, $lines, $type = 'binary-text') {
  $text = '';
  for ($i = 0; $i < $lines; $i++) {

    // Generate $width - 1 characters to leave space for the "\n" character.
    for ($j = 0; $j < $width - 1; $j++) {
      switch ($type) {
        case 'text':
          $text .= chr(rand(32, 126));
          break;
        case 'binary':
          $text .= chr(rand(0, 31));
          break;
        case 'binary-text':
        default:
          $text .= rand(0, 1);
          break;
      }
    }
    $text .= "\n";
  }

  // Create filename.
  file_put_contents('public://' . $filename . '.txt', $text);
  return $filename;
}