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Unit Testing: Checking if images already exists before starting tests - #8899

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SirLouen:patch/63532
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SirLouen:patch/63532

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@SirLouen

@SirLouen SirLouen commented Jun 4, 2025

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Testing instructions provided in OP

Trac ticket: https://core.trac.wordpress.org/ticket/63532


This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

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Test using WordPress Playground

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🟡 Changes recommended

Reusing uploads by basename can attach incorrect fixture bytes and make separate attachments share a file, so deleting one can break the other.

1 open issue
What changed in this PR

This PR changes WordPress’s PHPUnit attachment factory to reuse existing uploads, aiming to avoid uploading the same test image repeatedly.

Changes:

  • Checks for an existing file with the fixture’s basename in the current upload directory.
  • Reuses its path and URL when present; otherwise uploads through wp_upload_bits().
File Description
tests/​phpunit/​includes/​factory/​class-wp-unittest-factory-for-attachment.php Adds an existing-file check and upload reuse to create_upload_object().

Review effort: Balanced

Comment on lines +64 to +75
$contents = file_get_contents( $file );
$upload_dir = wp_upload_dir();
$file_basename = wp_basename( $file );
$file_path = $upload_dir['path'] . '/' . $file_basename;
if ( ! file_exists( $file_path ) ) {
$upload = wp_upload_bits( $file_basename, null, $contents );
} else {
$upload = array(
'file' => $file_path,
'url' => $upload_dir['url'] . '/' . $file_basename,
);
}
@lancewillett

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Closing this file-reuse approach in favor of the isolated test-upload direction, tracked in #13065. Reusing files by basename can make distinct attachments share an owned file. The underlying collision issue remains open; #13065 has not landed.

AI review · gpt-6

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3 participants