UploadElement

import org.vaadin.addons.dramafinder.element.UploadElement;
import java.nio.file.Files;
import java.nio.file.Path;

@TempDir
Path tempDir;

@Test
public void testSingleFileUpload() throws IOException {
    // Create a test file
    Path file = Files.writeString(tempDir.resolve("single.txt"), "single");
    
    // Get upload element by button text
    UploadElement upload = UploadElement.getByButtonText(page, "Select single file");
    
    // Upload the file
    upload.uploadFiles(file);
    
    // Verify file is listed and complete
    upload.assertHasFile("single.txt");
    upload.assertFileComplete("single.txt");
}

@Test
public void testMultiFileUploadAndClear() throws IOException {
    Path first = Files.writeString(tempDir.resolve("first.txt"), "first");
    Path second = Files.writeString(tempDir.resolve("second.txt"), "second");
    Path third = Files.writeString(tempDir.resolve("third.txt"), "third");
    
    UploadElement upload = UploadElement.getByButtonText(page, "Select multiple files");
    
    // Upload multiple files at once
    upload.uploadFiles(first, second);
    
    upload.assertHasFile("first.txt");
    upload.assertHasFile("second.txt");
    upload.assertFileComplete("first.txt");
    upload.assertFileComplete("second.txt");
    
    // Upload additional file
    upload.uploadFiles(third);
    upload.assertHasFile("third.txt");
    upload.assertFileComplete("third.txt");
    upload.assertMaxFilesReached();
    
    // Remove files
    upload.removeFile("first.txt");
    upload.assertNoFile("first.txt");
    
    upload.removeFile("second.txt");
    upload.assertNoFile("second.txt");
    
    upload.removeFile("third.txt");
    upload.assertNoFile("third.txt");
}

@Test
public void testFileRejected() throws IOException {
    Path file = Files.writeString(tempDir.resolve("first.forbidden"), "first");
    
    UploadElement upload = UploadElement.getByButtonText(page, "Select multiple files");
    upload.uploadFiles(file);
    
    // Verify rejected file is not in the list
    upload.assertNoFile("first.forbidden");
}