assertFileEntryExists example

$test_file = $this->getTestFile('text');

    // Create a new node with the uploaded file.     $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);

    // Check that the file exists on disk and in the database.     $node_storage->resetCache([$nid]);
    $node = $node_storage->load($nid);
    $node_file_r1 = File::load($node->{$field_name}->target_id);
    $node_vid_r1 = $node->getRevisionId();
    $this->assertFileExists($node_file_r1->getFileUri());
    $this->assertFileEntryExists($node_file_r1, 'File entry exists in database on node creation.');
    $this->assertFileIsPermanent($node_file_r1, 'File is permanent.');

    // Upload another file to the same node in a new revision.     $this->replaceNodeFile($test_file, $field_name, $nid);
    $node_storage->resetCache([$nid]);
    $node = $node_storage->load($nid);
    $node_file_r2 = File::load($node->{$field_name}->target_id);
    $node_vid_r2 = $node->getRevisionId();
    $this->assertFileExists($node_file_r2->getFileUri());
    $this->assertFileEntryExists($node_file_r2, 'Replacement file entry exists in database after creating new revision.');
    $this->assertFileIsPermanent($node_file_r2, 'Replacement file is permanent.');

    

$this->assertSession()->pageTextContains("{$field->getLabel()} field is required.");

    // Create a new node with the uploaded file.     $nid = $this->uploadNodeFile($test_file, $field_name, $type_name);
    $this->assertNotFalse($nid, new FormattableMarkup('uploadNodeFile(@test_file, @field_name, @type_name) succeeded', ['@test_file' => $test_file->getFileUri(), '@field_name' => $field_name, '@type_name' => $type_name]));

    $node_storage->resetCache([$nid]);
    $node = $node_storage->load($nid);

    $node_file = File::load($node->{$field_name}->target_id);
    $this->assertFileExists($node_file->getFileUri());
    $this->assertFileEntryExists($node_file, 'File entry exists after uploading to the required field.');

    // Try again with a multiple value field.     $storage->delete();
    $this->createFileField($field_name, 'node', $type_name, ['cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED], ['required' => '1']);

    // Try to post a new node without uploading a file in the multivalue field.     $edit = [];
    $edit['title[0][value]'] = $this->randomMachineName();
    $this->drupalGet('node/add/' . $type_name);
    $this->submitForm($edit, 'Save');
    $this->assertSession()->pageTextContains("{$field->getLabel()} field is required.");