184 lines
12 KiB
PHP
184 lines
12 KiB
PHP
<?php
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declare(strict_types=1);
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// Real uploader + real model orchestration, fake OCR/cURL/clock. No live I/O.
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namespace think\facade {
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class Log { public static function warning(string $message): void {} }
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}
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namespace app\common\service {
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require __DIR__ . '/fixtures/CancellableCurlMultiStub.php';
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function config(string $name): array { return $GLOBALS['ocrBudgetConfig']; }
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function microtime(bool $asFloat = false): float { return $GLOBALS['ocrBudgetClock']; }
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class ClinicalKnowledgeReference {
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public static function ancientBookSources(string $query): array { return []; }
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public static function augmentQueryWithAncientBookSources(string $query, array $sources): string { return $query; }
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}
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class ClinicalImageTextService {
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public static function read(array $images, string $root, float $deadline, ?callable $abort, array $settings): array {
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foreach ($images as $image) if (!is_file($image['path'])) throw new \RuntimeException('expected authorized temporary image');
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$GLOBALS['ocrBudgetReads'][] = ['start' => microtime(true), 'deadline' => $deadline,
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'indices' => array_column($images, 'index')];
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$scenario = $GLOBALS['ocrBudgetScenario'];
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if ($scenario === 'exhaust') $GLOBALS['ocrBudgetClock'] = $deadline + 0.8;
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elseif ($scenario === 'cancel') { $GLOBALS['ocrBudgetClock'] += 0.1; $GLOBALS['ocrBudgetCancelled'] = true; }
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else $GLOBALS['ocrBudgetClock'] += min(1.25, max(0.0, $deadline - microtime(true)));
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if ($scenario === 'throw') throw new \RuntimeException('PRIVATE_SYNTHETIC_OCR_FAILURE');
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return ['status' => 'unavailable', 'images' => []];
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}
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}
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function curl_init(): \stdClass { return (object) ['errno' => 0, 'code' => 200]; }
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function curl_setopt_array(\stdClass $handle, array $options): bool { $handle->options = $options; return true; }
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function curl_exec(\stdClass $handle): string|bool {
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$options = $handle->options;
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if (is_array($options[CURLOPT_POSTFIELDS])) {
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if (!str_ends_with($options[CURLOPT_URL], '/files/upload')) throw new \RuntimeException('only synthetic upload endpoint');
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$GLOBALS['ocrBudgetUploads']++;
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$GLOBALS['ocrBudgetClock'] += 0.2;
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$body = json_encode(['id' => 'synthetic-upload-' . $GLOBALS['ocrBudgetUploads']]);
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($options[CURLOPT_WRITEFUNCTION])($handle, $body);
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return $body;
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}
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$payload = json_decode($options[CURLOPT_POSTFIELDS], true);
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$GLOBALS['ocrBudgetModels'][] = ['payload' => $payload, 'at' => microtime(true),
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'timeout_ms' => $options[CURLOPT_TIMEOUT_MS] ?? $options[CURLOPT_TIMEOUT] * 1000];
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if ($GLOBALS['ocrBudgetCancelled']) throw new \RuntimeException('model must not start after cancellation');
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$GLOBALS['ocrBudgetClock'] += 0.1;
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if (isset($options[CURLOPT_HEADERFUNCTION])) ($options[CURLOPT_HEADERFUNCTION])($handle, "HTTP/1.1 200 Synthetic\r\n");
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if (($payload['response_mode'] ?? '') === 'streaming') {
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($options[CURLOPT_WRITEFUNCTION])($handle, "data: {\"event\":\"message\",\"answer\":\"SYNTHETIC_VISUAL_ANSWER\"}\n\ndata: {\"event\":\"message_end\"}\n\n");
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return true;
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}
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return '{"answer":"SYNTHETIC_VISUAL_ANSWER"}';
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}
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function curl_errno(\stdClass $handle): int { return $handle->errno; }
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function curl_getinfo(\stdClass $handle, int $option): int { return $handle->code; }
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function curl_close(\stdClass $handle): void {}
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}
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namespace {
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require dirname(__DIR__) . '/app/common/service/DifyRequiredAttachmentUpload.php';
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require dirname(__DIR__) . '/app/common/service/DifyChatService.php';
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use app\common\service\DifyChatService;
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use app\common\service\DifyRequiredAttachmentUpload;
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function budgetExpect(bool $condition, string $message): void { if (!$condition) throw new RuntimeException($message); }
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function budgetReset(string $scenario): void {
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$GLOBALS['ocrBudgetScenario'] = $scenario; $GLOBALS['ocrBudgetClock'] = 1000.0;
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$GLOBALS['ocrBudgetReads'] = []; $GLOBALS['ocrBudgetModels'] = [];
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$GLOBALS['ocrBudgetUploads'] = 0; $GLOBALS['ocrBudgetCancelled'] = false;
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}
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$root = sys_get_temp_dir() . '/ocr-budget-test-' . bin2hex(random_bytes(8));
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$public = $root . '/public'; $temporary = $root . '/private';
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mkdir($public . '/uploads', 0700, true); mkdir($temporary, 0700);
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$source = $public . '/uploads/synthetic.png';
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file_put_contents($source, base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+jRZkAAAAASUVORK5CYII='));
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$files = [['type' => 'image', 'url' => 'https://app.synthetic.test/uploads/synthetic.png']];
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$uploadOptions = ['public_root' => $public, 'temp_root' => $temporary,
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'local_origin' => 'https://app.synthetic.test',
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'ocr' => ['enabled' => true, 'timeout_seconds' => 60]];
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$ocrBudgetConfig = ['enable' => true, 'base_url' => 'https://model.synthetic.test/v1/chat-messages',
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'timeout' => 20, 'required_attachment_transport' => 'upload',
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'required_attachment_upload' => $uploadOptions, 'required_attachment_ocr' => $uploadOptions['ocr'],
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'models' => ['qwen' => ['name' => 'synthetic', 'api_key' => 'SYNTHETIC_ONLY_KEY', 'max_files' => 10]]];
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$cases = 0;
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try {
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foreach ([false, true] as $streaming) {
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budgetReset('exhaust');
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$result = $streaming
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? DifyChatService::streamChat('qwen', [], 'SYNTHETIC_ORIGINAL_QUESTION', 'synthetic-user', static fn (): bool => true,
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null, $files, ['required_files' => true])
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: DifyChatService::chat('qwen', [], 'SYNTHETIC_ORIGINAL_QUESTION', 'synthetic-user', $files, ['required_files' => true]);
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budgetExpect(!empty($result['ok']) && count($ocrBudgetReads) === 1 && count($ocrBudgetModels) === 1,
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'OCR reaching its child deadline plus cleanup must still permit the original visual model request');
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budgetExpect(1020.0 - $ocrBudgetModels[0]['at'] >= 8.0 - 0.00001 && $ocrBudgetModels[0]['timeout_ms'] >= 7999,
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'reserve at least eight seconds after worst-case 0.8 second OCR cleanup');
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budgetExpect(($ocrBudgetModels[0]['payload']['files'][0]['upload_file_id'] ?? '') === 'synthetic-upload-1'
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&& str_contains($ocrBudgetModels[0]['payload']['query'], 'SYNTHETIC_ORIGINAL_QUESTION'), 'original uploaded image and original clinical task survive optional OCR timeout');
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budgetExpect(($result['items'][0]['text_check_status'] ?? '') === 'unavailable', 'skipped/unfinished optional OCR remains explicit in receipt');
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$cases++;
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}
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foreach ([1, 9] as $limit) {
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budgetReset('exhaust'); $ocrBudgetConfig['timeout'] = $limit;
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$result = DifyChatService::chat('qwen', [], 'SYNTHETIC_ORIGINAL_QUESTION', 'synthetic-user', $files, ['required_files' => true]);
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budgetExpect(!empty($result['ok']) && $ocrBudgetReads === [] && count($ocrBudgetModels) === 1,
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'insufficient optional OCR budget skips OCR while the original model can still start');
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budgetExpect(($result['items'][0]['text_check_status'] ?? '') === 'unavailable', 'low-budget text-check status must not claim OCR processing');
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$cases++;
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}
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$ocrBudgetConfig['timeout'] = 90;
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budgetReset('fixed');
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$context = (object) ['ocr_remaining_seconds' => 4.0];
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$options = $uploadOptions + ['ocr_context' => $context];
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foreach (range(1, 3) as $batch) {
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$result = DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY', 'synthetic-user', $files, 90, null, $options);
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budgetExpect(!empty($result['ok']) && count($result['files']) === 1, 'each uploaded batch remains usable with exhausted OCR allocation');
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}
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budgetExpect(count($ocrBudgetReads) === 2 && abs($context->ocr_remaining_seconds - 1.5) < 0.00001,
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'actual OCR time is deducted across batches, and insufficient work plus cleanup balance does not restart OCR');
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budgetExpect(abs($ocrBudgetReads[0]['deadline'] - $ocrBudgetReads[0]['start'] - 3.2) < 0.00001
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&& abs($ocrBudgetReads[1]['deadline'] - $ocrBudgetReads[1]['start'] - 1.95) < 0.00001,
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'each later batch receives only the shared balance after reserving cleanup');
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$cases++;
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budgetReset('exhaust');
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$context = (object) ['ocr_remaining_seconds' => 3.0];
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foreach ([1, 2] as $batch) {
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$result = DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY', 'synthetic-user', $files, 90, null,
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$uploadOptions + ['ocr_context' => $context]);
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budgetExpect(!empty($result['ok']), 'shared OCR exhaustion never removes original images');
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}
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budgetExpect(count($ocrBudgetReads) === 1 && abs($context->ocr_remaining_seconds) < 0.00001
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&& abs($ocrBudgetReads[0]['deadline'] - $ocrBudgetReads[0]['start'] - 2.2) < 0.00001,
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'last OCR call plus worst-case cleanup stays within the cumulative shared allocation');
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$cases++;
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budgetReset('throw');
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$context = (object) ['ocr_remaining_seconds' => 5.0];
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$result = DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY', 'synthetic-user', $files, 90, null,
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$uploadOptions + ['ocr_context' => $context]);
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budgetExpect(!empty($result['ok']) && $result['image_text_check']['status'] === 'unavailable'
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&& abs($context->ocr_remaining_seconds - 3.75) < 0.00001, 'failed OCR also spends its actual elapsed time without removing the original image');
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$cases++;
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budgetReset('fixed');
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$local = $uploadOptions; $local['ocr']['timeout_seconds'] = 2.0;
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foreach ([1, 2] as $batch) budgetExpect(!empty(DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY',
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'synthetic-user', $files, 90, null, $local)['ok']), 'absence of a shared context uses local timeout');
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budgetExpect(count($ocrBudgetReads) === 2 && abs($ocrBudgetReads[1]['deadline'] - $ocrBudgetReads[1]['start'] - 2.0) < 0.00001,
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'legacy callers retain configured per-call optional timeout');
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$cases++;
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budgetReset('exhaust');
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$context = (object) ['deadline' => 1012.0, 'ocr_remaining_seconds' => 30.0];
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$result = DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY', 'synthetic-user', $files, 90, null,
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$uploadOptions + ['ocr_context' => $context]);
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budgetExpect(!empty($result['ok']) && 1012.0 - $ocrBudgetClock >= 8.0 - 0.00001,
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'optional original absolute deadline clamps OCR even if integer upload timeout is larger');
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$cases++;
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budgetReset('cancel');
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$result = DifyChatService::streamChat('qwen', [], 'SYNTHETIC_ORIGINAL_QUESTION', 'synthetic-user', static fn (): bool => true,
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static fn (): bool => $GLOBALS['ocrBudgetCancelled'], $files, ['required_files' => true]);
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budgetExpect(empty($result['ok']) && $result['error_code'] === 'AI_ASSISTANT_CANCELLED' && $ocrBudgetModels === [],
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'cancellation during optional OCR stops the whole request, never falls through to model answering');
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$cases++;
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foreach ([0.0, 0.9, NAN] as $remaining) {
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budgetReset('exhaust');
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$context = (object) ['ocr_remaining_seconds' => $remaining];
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$result = DifyRequiredAttachmentUpload::prepare($ocrBudgetConfig['base_url'], 'SYNTHETIC_ONLY_KEY', 'synthetic-user', $files, 90, null,
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$uploadOptions + ['ocr_context' => $context]);
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budgetExpect(!empty($result['ok']) && $ocrBudgetReads === [] && $result['image_text_check']['status'] === 'unavailable',
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'empty/sub-second/invalid shared OCR budget never prevents the original uploaded image');
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$cases++;
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}
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budgetExpect((glob($temporary . '/*') ?: []) === [], 'authorized request-private image copies are cleaned');
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echo "Dify OCR optional budget: {$cases} offline scenarios OK; eight-second model reserve, cleanup reserve, shared elapsed accounting and cancellation\n";
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} finally {
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foreach (glob($temporary . '/*') ?: [] as $path) unlink($path);
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unlink($source); rmdir($public . '/uploads'); rmdir($public); rmdir($temporary); rmdir($root);
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}
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}
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