fields();
$this->assertCount(1, $fields);
$this->assertSame('background', $fields[0]['key']);
$this->assertSame('image', $fields[0]['control']);
}
public function test_apply_with_valid_id_derives_url_and_patches_innerContent_chunks()
{
// innerContent for a cover with inner blocks is `[wrapper_open, null, wrapper_close]`;
// the nulls map to innerBlocks at serialize time.
$attId = self::factory()->attachment->create_upload_object($this->writeStubPng());
$expectedUrl = wp_get_attachment_image_url($attId, 'full');
$open = '
';
$close = '
';
$close = '
';
$close = '
';
$close = '
';
$close = '
';
$block = [
'blockName' => 'core/cover',
'attrs' => ['overlayColor' => 'primary'],
'innerBlocks' => [],
'innerHTML' => $open . $close,
'innerContent' => [$open, null, $close],
];
$result = (new Cover())->apply($block, 'background', ['url' => 'https://example.test/new.jpg']);
// attrs update happens even without an image-background to patch.
$this->assertSame('https://example.test/new.jpg', $result['attrs']['url']);
// The innerContent is left as-is — no synthesized ![]()
.
$this->assertSame($block['innerContent'], $result['innerContent']);
// innerHTML is untouched (only rewritten when innerContent is patched).
$this->assertSame($block['innerHTML'], $result['innerHTML']);
}
public function test_apply_with_no_url_returns_block_unchanged()
{
$block = [
'blockName' => 'core/cover',
'attrs' => [],
'innerBlocks' => [],
'innerHTML' => '',
'innerContent' => ['', null, '
'],
];
$this->assertSame($block, (new Cover())->apply($block, 'background', ['url' => '']));
$this->assertSame($block, (new Cover())->apply($block, 'background', []));
}
public function test_apply_with_non_array_value_returns_block_unchanged()
{
$block = [
'blockName' => 'core/cover',
'attrs' => [],
'innerBlocks' => [],
'innerHTML' => '',
'innerContent' => ['', null, '
'],
];
$this->assertSame($block, (new Cover())->apply($block, 'background', 'string'));
}
public function test_apply_with_unknown_field_returns_block_unchanged()
{
$block = [
'blockName' => 'core/cover',
'attrs' => [],
'innerBlocks' => [],
'innerHTML' => '',
'innerContent' => ['', null, '
'],
];
$this->assertSame($block, (new Cover())->apply($block, 'overlayColor', 'red'));
}
private function writeStubPng(): string
{
// 1×1 transparent PNG so create_upload_object yields a real image attachment.
$bytes = base64_decode(
'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
);
$path = wp_tempnam('qe-test-stub') . '.png';
file_put_contents($path, $bytes);
return $path;
}
}