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import json
import csv
from pathlib import Path
from unittest.mock import patch, MagicMock
import pytest
from chandra_align.cli.batch import (
load_manifest,
process_single_pair,
run_batch_pipeline,
BatchPairResult,
)
from chandra_align.pipeline.router import SensorMeta, MatcherStrategy
class TestBatchCLI:
"""Unit tests for Batch CLI."""
def test_batch_pair_result_dataclass(self):
"""Test BatchPairResult dataclass creation."""
result = BatchPairResult(
pair_id="test_001",
source_pds4="src.xml",
ref_pds4="ref.xml",
primary_strategy="LIGHTGLUE_ALIKED",
delta_azimuth_deg=7.0,
scale_ratio=0.5,
status="SUCCESS",
)
assert result.pair_id == "test_001"
assert result.status == "SUCCESS"
assert result.error_msg == ""
def test_batch_pair_result_failed(self):
"""Test BatchPairResult for failed case."""
result = BatchPairResult(
pair_id="test_002",
source_pds4="src.xml",
ref_pds4="ref.xml",
primary_strategy="FAILED",
delta_azimuth_deg=0.0,
scale_ratio=1.0,
status="FAILED",
error_msg="File not found",
)
assert result.status == "FAILED"
assert result.error_msg == "File not found"
@patch('chandra_align.cli.batch.parse_pds4_metadata')
@patch('chandra_align.cli.batch.evaluate_route')
def test_process_single_pair_success(self, mock_evaluate, mock_parse):
"""Test successful single pair processing."""
# Setup mocks
mock_parse.side_effect = [
SensorMeta("OHRC", "PANCHROMATIC", 0.25, 45.0, 30.0),
SensorMeta("LROC_NAC", "PANCHROMATIC", 0.5, 52.0, 28.0),
]
mock_evaluate.return_value = MagicMock(
primary_strategy=MatcherStrategy.LIGHTGLUE_ALIKED,
delta_azimuth_deg=7.0,
scale_ratio=0.5,
)
result = process_single_pair(("src.xml", "ref.xml"))
assert result.status == "SUCCESS"
assert result.primary_strategy == "LIGHTGLUE_ALIKED"
assert result.delta_azimuth_deg == 7.0
assert result.scale_ratio == 0.5
assert result.pair_id == "src_VS_ref"
@patch('chandra_align.cli.batch.parse_pds4_metadata')
def test_process_single_pair_file_not_found(self, mock_parse):
"""Test single pair processing with missing file."""
mock_parse.side_effect = FileNotFoundError("PDS4 XML file not found: missing.xml")
result = process_single_pair(("missing.xml", "ref.xml"))
assert result.status == "FAILED"
assert "File not found" in result.error_msg or "not found" in result.error_msg.lower()
@patch('chandra_align.cli.batch.parse_pds4_metadata')
def test_process_single_pair_invalid_xml(self, mock_parse):
"""Test single pair processing with invalid XML."""
from xml.etree import ElementTree as ET
mock_parse.side_effect = ValueError("Failed to parse PDS4 XML label 'corrupt.xml': invalid token")
result = process_single_pair(("corrupt.xml", "ref.xml"))
assert result.status == "FAILED"
assert "parse" in result.error_msg.lower() or "invalid" in result.error_msg.lower()
@patch('chandra_align.cli.batch.parse_pds4_metadata')
def test_process_single_pair_unrecognized_sensor(self, mock_parse):
"""Test single pair processing with unrecognized sensor."""
mock_parse.return_value = SensorMeta(
sensor_name="UNKNOWN",
sensor_type="PANCHROMATIC",
gsd_meters=1.0,
sun_azimuth_deg=0.0,
sun_incidence_deg=45.0,
)
mock_evaluate = MagicMock()
from chandra_align.pipeline.router import RoutingDecision, MatcherStrategy
mock_evaluate.return_value = RoutingDecision(
primary_strategy=MatcherStrategy.LIGHTGLUE_ALIKED,
fallback_strategy=MatcherStrategy.RIFT2_PHASE_CONGRUENCY,
delta_azimuth_deg=0.0,
delta_incidence_deg=0.0,
scale_ratio=1.0,
needs_pre_resampling=False,
target_resample_gsd=None,
routing_reason="Standard optical matching regime.",
)
from chandra_align.pipeline.router import evaluate_route
with patch('chandra_align.cli.batch.evaluate_route', mock_evaluate):
result = process_single_pair(("src.xml", "ref.xml"))
assert result.status == "SUCCESS"
assert result.primary_strategy == "LIGHTGLUE_ALIKED"
def test_load_manifest_json_valid(self):
"""Test loading valid JSON manifest."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.json"
manifest.write_text(json.dumps([
{"source": "img1.xml", "reference": "img2.xml"},
{"source": "img3.xml", "reference": "img4.xml"},
]))
pairs = load_manifest(manifest, base_dir)
assert len(pairs) == 2
assert pairs[0] == (base_dir / "img1.xml", base_dir / "img2.xml")
assert pairs[1] == (base_dir / "img3.xml", base_dir / "img4.xml")
def test_load_manifest_json_missing_keys(self):
"""Test loading JSON manifest with missing keys."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.json"
manifest.write_text(json.dumps([
{"source": "img1.xml"}, # missing 'reference'
]))
with pytest.raises(ValueError, match="must contain 'source' and 'reference' keys"):
load_manifest(manifest, base_dir)
def test_load_manifest_json_invalid(self):
"""Test loading invalid JSON manifest."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.json"
manifest.write_text("{ invalid json")
with pytest.raises(ValueError, match="Invalid JSON"):
load_manifest(manifest, base_dir)
def test_load_manifest_csv_valid(self):
"""Test loading valid CSV manifest."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.csv"
manifest.write_text("source,reference\nimg1.xml,img2.xml\nimg3.xml,img4.xml\n")
pairs = load_manifest(manifest, base_dir)
assert len(pairs) == 2
def test_load_manifest_csv_with_comments(self):
"""Test loading CSV manifest with comments and header."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.csv"
manifest.write_text("# Comment line\nsource,reference\nimg1.xml,img2.xml\n# Another comment\nimg3.xml,img4.xml\n")
pairs = load_manifest(manifest, base_dir)
assert len(pairs) == 2
def test_load_manifest_csv_insufficient_columns(self):
"""Test loading CSV manifest with insufficient columns."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.csv"
manifest.write_text("source,reference\nimg1.xml\n")
with pytest.raises(ValueError, match="fewer than 2 columns"):
load_manifest(manifest, base_dir)
def test_load_manifest_unsupported_format(self):
"""Test loading unsupported manifest format."""
with tempfile.TemporaryDirectory() as tmpdir:
base_dir = Path(tmpdir)
manifest = base_dir / "manifest.txt"
manifest.write_text("img1.xml img2.xml")
with pytest.raises(ValueError, match="Unsupported manifest format"):
load_manifest(manifest, base_dir)
def test_load_manifest_file_not_found(self):
"""Test loading non-existent manifest."""
with pytest.raises(FileNotFoundError):
load_manifest("nonexistent.json", Path("/tmp"))
@patch('chandra_align.cli.batch.process_single_pair')
def test_run_batch_pipeline_success(self, mock_process):
"""Test successful batch pipeline run using threads for test isolation."""
mock_process.side_effect = [
BatchPairResult(
pair_id="img1_VS_img2",
source_pds4="img1.xml",
ref_pds4="img2.xml",
primary_strategy="LIGHTGLUE_ALIKED",
delta_azimuth_deg=7.0,
scale_ratio=0.5,
status="SUCCESS",
),
BatchPairResult(
pair_id="img3_VS_img4",
source_pds4="img3.xml",
ref_pds4="img4.xml",
primary_strategy="RIFT2_PHASE_CONGRUENCY",
delta_azimuth_deg=110.0,
scale_ratio=0.5,
status="SUCCESS",
),
]
with tempfile.TemporaryDirectory() as tmpdir:
input_dir = Path(tmpdir) / "input"
output_dir = Path(tmpdir) / "output"
manifest = input_dir / "manifest.json"
input_dir.mkdir()
manifest.write_text(json.dumps([
{"source": "img1.xml", "reference": "img2.xml"},
{"source": "img3.xml", "reference": "img4.xml"},
]))
# Use threads for test to avoid pickling issues
results = run_batch_pipeline(manifest, input_dir, output_dir, max_workers=2, use_threads=True)
assert len(results) == 2
assert results[0].status == "SUCCESS"
assert results[1].status == "SUCCESS"
# Check reports written
json_report = output_dir / "batch_summary.json"
md_report = output_dir / "batch_summary.md"
assert json_report.exists()
assert md_report.exists()
@patch('chandra_align.cli.batch.process_single_pair')
def test_run_batch_pipeline_partial_failure(self, mock_process):
"""Test batch pipeline with partial failures using threads."""
mock_process.side_effect = [
BatchPairResult(
pair_id="valid_VS_ref",
source_pds4="valid.xml",
ref_pds4="ref.xml",
primary_strategy="LIGHTGLUE_ALIKED",
delta_azimuth_deg=7.0,
scale_ratio=0.5,
status="SUCCESS",
),
BatchPairResult(
pair_id="missing_VS_ref",
source_pds4="missing.xml",
ref_pds4="ref.xml",
primary_strategy="FAILED",
delta_azimuth_deg=0.0,
scale_ratio=1.0,
status="FAILED",
error_msg="PDS4 XML file not found: missing.xml",
),
]
with tempfile.TemporaryDirectory() as tmpdir:
input_dir = Path(tmpdir) / "input"
output_dir = Path(tmpdir) / "output"
manifest = input_dir / "manifest.json"
input_dir.mkdir()
manifest.write_text(json.dumps([
{"source": "valid.xml", "reference": "ref.xml"},
{"source": "missing.xml", "reference": "ref.xml"},
]))
# Use threads for test to avoid pickling issues
results = run_batch_pipeline(manifest, input_dir, output_dir, max_workers=2, use_threads=True)
assert len(results) == 2
success_count = sum(1 for r in results if r.status == "SUCCESS")
failed_count = sum(1 for r in results if r.status == "FAILED")
assert success_count == 1
assert failed_count == 1
def test_run_batch_pipeline_empty_manifest(self):
"""Test batch pipeline with empty manifest."""
with tempfile.TemporaryDirectory() as tmpdir:
input_dir = Path(tmpdir) / "input"
output_dir = Path(tmpdir) / "output"
manifest = input_dir / "manifest.json"
input_dir.mkdir()
manifest.write_text(json.dumps([]))
results = run_batch_pipeline(manifest, input_dir, output_dir, max_workers=2)
assert results == []
if __name__ == "__main__":
pytest.main([__file__, "-v"]) |