| 1 | import os |
| 2 | import tempfile |
| 3 | import unittest |
| 4 | from pathlib import Path |
| 5 | from unittest.mock import patch |
| 6 | |
| 7 | from PIL import Image |
| 8 | |
| 9 | from tools.video_generator_openrouter_api import VideoGeneratorOpenRouterAPI |
| 10 | from interfaces.video_output import VideoOutput |
| 11 | |
| 12 | |
| 13 | class OpenRouterVideoGeneratorTests(unittest.IsolatedAsyncioTestCase): |
| 14 | async def test_default_duration_is_eight_seconds(self): |
| 15 | captured = {} |
| 16 | |
| 17 | async def fake_post_json(url, *, headers, payload, timeout, hard_timeout_seconds): |
| 18 | captured["payload"] = payload |
| 19 | return 200, {"id": "job-1", "polling_url": "/videos/job-1", "status": "queued"} |
| 20 | |
| 21 | async def fake_get_json(url, *, headers, timeout, hard_timeout_seconds): |
| 22 | return 200, {"status": "completed", "unsigned_urls": ["https://cdn.example/out.mp4"]} |
| 23 | |
| 24 | async def fake_get_bytes(url, *, headers, timeout, hard_timeout_seconds): |
| 25 | return 200, b"video" |
| 26 | |
| 27 | async def fake_sleep(seconds): |
| 28 | return None |
| 29 | |
| 30 | generator = VideoGeneratorOpenRouterAPI(api_key="test-key", model="google/veo-3.1-lite") |
| 31 | with patch.dict(os.environ, {}, clear=True), \ |
| 32 | patch("tools.video_generator_openrouter_api._post_json", fake_post_json), \ |
| 33 | patch("tools.video_generator_openrouter_api._get_json", fake_get_json), \ |
| 34 | patch("tools.video_generator_openrouter_api._get_bytes", fake_get_bytes), \ |
| 35 | patch("tools.video_generator_openrouter_api.asyncio.sleep", fake_sleep): |
| 36 | output = await generator.generate_single_video(prompt="hello") |
| 37 | |
| 38 | self.assertIsInstance(output, VideoOutput) |
| 39 | self.assertEqual(captured["payload"]["duration"], 8) |
| 40 | self.assertEqual(captured["payload"]["model"], "google/veo-3.1-lite") |
| 41 | |
| 42 | async def test_seedance_fast_uses_supported_openrouter_payload(self): |
| 43 | captured = {} |
| 44 | |
| 45 | async def fake_post_json(url, *, headers, payload, timeout, hard_timeout_seconds): |
| 46 | captured["payload"] = payload |
| 47 | return 200, {"id": "job-2", "polling_url": "/videos/job-2", "status": "queued"} |
| 48 | |
| 49 | async def fake_get_json(url, *, headers, timeout, hard_timeout_seconds): |
| 50 | return 200, {"status": "completed", "unsigned_urls": ["https://cdn.example/seedance.mp4"]} |
| 51 | |
| 52 | async def fake_get_bytes(url, *, headers, timeout, hard_timeout_seconds): |
| 53 | return 200, b"seedance-video" |
| 54 | |
| 55 | async def fake_sleep(seconds): |
| 56 | return None |
| 57 | |
| 58 | with tempfile.TemporaryDirectory() as tmp: |
| 59 | first_frame = Path(tmp) / "first.png" |
| 60 | last_frame = Path(tmp) / "last.png" |
| 61 | Image.new("RGB", (16, 9), "blue").save(first_frame) |
| 62 | Image.new("RGB", (16, 9), "red").save(last_frame) |
| 63 | generator = VideoGeneratorOpenRouterAPI(api_key="test-key", model="bytedance/seedance-2.0-fast") |
| 64 | with patch.dict(os.environ, {}, clear=True), \ |
| 65 | patch("tools.video_generator_openrouter_api._post_json", fake_post_json), \ |
| 66 | patch("tools.video_generator_openrouter_api._get_json", fake_get_json), \ |
| 67 | patch("tools.video_generator_openrouter_api._get_bytes", fake_get_bytes), \ |
| 68 | patch("tools.video_generator_openrouter_api.asyncio.sleep", fake_sleep): |
| 69 | output = await generator.generate_single_video( |
| 70 | prompt="a cinematic walk", |
| 71 | reference_image_paths=[str(first_frame), str(last_frame)], |
| 72 | ) |
| 73 | |
| 74 | payload = captured["payload"] |
| 75 | self.assertIsInstance(output, VideoOutput) |
| 76 | self.assertEqual(payload["model"], "bytedance/seedance-2.0-fast") |
| 77 | self.assertEqual(payload["duration"], 8) |
| 78 | self.assertEqual(payload["resolution"], "720p") |
| 79 | self.assertEqual(payload["aspect_ratio"], "16:9") |
| 80 | self.assertTrue(payload["generate_audio"]) |
| 81 | self.assertEqual( |
| 82 | [frame["frame_type"] for frame in payload["frame_images"]], |
| 83 | ["first_frame", "last_frame"], |
| 84 | ) |
| 85 | |
| 86 | |
| 87 | if __name__ == "__main__": |
| 88 | unittest.main() |
| 89 |