feat: stage6 — Image Pipeline (F05) and Rotation Manager (F06)

tests/test_pipeline.py

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+"""Tests for Image Input Pipeline (F05)."""
+
+import asyncio
+
+import cv2
+import numpy as np
+import pytest
+
+from gps_denied.core.pipeline import ImageInputPipeline, QueueFullError, ValidationError
+from gps_denied.schemas.image import ImageBatch
+
+
+@pytest.fixture
+def pipeline(tmp_path):
+    storage = str(tmp_path / "images")
+    return ImageInputPipeline(storage_dir=storage, max_queue_size=2)
+
+
+def test_batch_validation(pipeline):
+    # Too few images
+    b1 = ImageBatch(images=[b"1", b"2"], filenames=["1.jpg", "2.jpg"], start_sequence=1, end_sequence=2, batch_number=1)
+    val = pipeline.validate_batch(b1)
+    assert not val.valid
+    assert "Batch is empty" in val.errors
+
+    # Let's mock a valid batch of 10 images
+    fake_imgs = [b"fake"] * 10
+    fake_names = [f"AD{i:06d}.jpg" for i in range(1, 11)]
+    b2 = ImageBatch(images=fake_imgs, filenames=fake_names, start_sequence=1, end_sequence=10, batch_number=1)
+    val2 = pipeline.validate_batch(b2)
+    assert val2.valid
+
+
+@pytest.mark.asyncio
+async def test_queue_and_process(pipeline):
+    flight_id = "test_f1"
+    
+    # Create valid fake images
+    fake_img_np = np.zeros((10, 10, 3), dtype=np.uint8)
+    _, encoded = cv2.imencode(".jpg", fake_img_np)
+    fake_bytes = encoded.tobytes()
+    
+    fake_imgs = [fake_bytes] * 10
+    fake_names = [f"AD{i:06d}.jpg" for i in range(1, 11)]
+    b = ImageBatch(images=fake_imgs, filenames=fake_names, start_sequence=1, end_sequence=10, batch_number=1)
+    
+    pipeline.queue_batch(flight_id, b)
+    
+    # Process
+    processed = await pipeline.process_next_batch(flight_id)
+    assert processed is not None
+    assert len(processed.images) == 10
+    assert processed.images[0].sequence == 1
+    assert processed.images[-1].sequence == 10
+    
+    # Status
+    st = pipeline.get_processing_status(flight_id)
+    assert st.total_images == 10
+    assert st.processed_images == 10
+    
+    # Sequential get
+    next_img = pipeline.get_next_image(flight_id)
+    assert next_img is not None
+    assert next_img.sequence == 1
+    
+    # Second get
+    next_img2 = pipeline.get_next_image(flight_id)
+    assert next_img2 is not None
+    assert next_img2.sequence == 2
+
+
+def test_queue_full(pipeline):
+    flight_id = "test_full"
+    fake_imgs = [b"fake"] * 10
+    fake_names = [f"AD{i:06d}.jpg" for i in range(1, 11)]
+    b = ImageBatch(images=fake_imgs, filenames=fake_names, start_sequence=1, end_sequence=10, batch_number=1)
+    
+    pipeline.queue_batch(flight_id, b)
+    pipeline.queue_batch(flight_id, b)
+    
+    with pytest.raises(QueueFullError):
+        pipeline.queue_batch(flight_id, b)