SolarImageDownloader / tests /test_monitoring_loop.py
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"""Tests for monitoring loop and scheduler components."""
import pytest
import time
from unittest.mock import Mock, patch, MagicMock
from datetime import datetime, timedelta
from src.scheduler.monitoring_loop import MonitoringLoop, TaskCoordinator, StatusReporter
class TestMonitoringLoop:
"""Test cases for MonitoringLoop class."""
def setup_method(self):
"""Set up test fixtures."""
self.mock_url_generator = Mock()
self.mock_download_manager = Mock()
self.mock_storage = Mock()
# Set up download manager mocks
self.mock_download_manager.get_download_count.return_value = 0
self.mock_download_manager.get_failed_tasks.return_value = []
self.monitoring_loop = MonitoringLoop(
self.mock_url_generator,
self.mock_download_manager,
self.mock_storage,
check_interval_minutes=1, # Short interval for testing
monitoring_range_days=1 # Default range for testing
)
def test_initialization(self):
"""Test monitoring loop initialization."""
assert self.monitoring_loop.check_interval == 1
assert self.monitoring_loop.monitoring_range_days == 1
assert self.monitoring_loop.is_running is False
assert self.monitoring_loop.total_checks == 0
assert self.monitoring_loop.new_images_found == 0
def test_get_status_initial(self):
"""Test getting initial status."""
status = self.monitoring_loop.get_status()
assert status['is_running'] is False
assert status['check_interval_minutes'] == 1
assert status['monitoring_range_days'] == 1
assert status['total_checks'] == 0
assert status['last_check_time'] is None
assert status['new_images_found'] == 0
def test_filter_new_images_all_new(self):
"""Test filtering when all images are new."""
urls = [
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_130000_4096_0211.jpg"
]
# Mock URL generator to extract metadata
self.mock_url_generator.extract_metadata_from_url.side_effect = [
(datetime(2025, 12, 19), "120000"),
(datetime(2025, 12, 19), "130000")
]
# Mock storage to return False (files don't exist)
self.mock_storage.file_exists.return_value = False
new_urls = self.monitoring_loop._filter_new_images(urls)
assert len(new_urls) == 2
assert new_urls == urls
def test_filter_new_images_some_exist(self):
"""Test filtering when some images already exist."""
urls = [
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_130000_4096_0211.jpg"
]
# Mock URL generator
self.mock_url_generator.extract_metadata_from_url.side_effect = [
(datetime(2025, 12, 19), "120000"),
(datetime(2025, 12, 19), "130000")
]
# Mock storage - first file exists, second doesn't
self.mock_storage.file_exists.side_effect = [True, False]
new_urls = self.monitoring_loop._filter_new_images(urls)
assert len(new_urls) == 1
assert new_urls[0] == urls[1] # Only second URL should be returned
def test_filter_new_images_invalid_url(self):
"""Test filtering with invalid URLs."""
urls = [
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg",
"https://invalid-url.com/image.jpg"
]
# Mock URL generator - first URL valid, second invalid
self.mock_url_generator.extract_metadata_from_url.side_effect = [
(datetime(2025, 12, 19), "120000"),
(None, None) # Invalid URL
]
self.mock_storage.file_exists.return_value = False
new_urls = self.monitoring_loop._filter_new_images(urls)
assert len(new_urls) == 1
assert new_urls[0] == urls[0] # Only valid URL should be returned
@patch('src.scheduler.monitoring_loop.DownloadTask')
def test_download_new_images_success(self, mock_download_task):
"""Test downloading new images successfully."""
urls = ["https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg"]
# Mock URL generator
self.mock_url_generator.extract_metadata_from_url.return_value = (
datetime(2025, 12, 19), "120000"
)
# Mock storage
from pathlib import Path
self.mock_storage.get_local_path.return_value = Path("data/2025/12/19/20251219_120000_4096_0211.jpg")
# Mock download manager
self.mock_download_manager.download_and_save.return_value = True
# Mock download task
mock_task = Mock()
mock_download_task.return_value = mock_task
self.monitoring_loop._download_new_images(urls)
# Verify download was attempted
self.mock_download_manager.download_and_save.assert_called_once_with(mock_task)
@patch('src.scheduler.monitoring_loop.DownloadTask')
def test_download_new_images_failure(self, mock_download_task):
"""Test downloading new images with failure."""
urls = ["https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg"]
# Mock URL generator
self.mock_url_generator.extract_metadata_from_url.return_value = (
datetime(2025, 12, 19), "120000"
)
# Mock storage
from pathlib import Path
self.mock_storage.get_local_path.return_value = Path("data/2025/12/19/20251219_120000_4096_0211.jpg")
# Mock download manager to fail
self.mock_download_manager.download_and_save.return_value = False
# Mock download task with error
mock_task = Mock()
mock_task.error_message = "Network error"
mock_download_task.return_value = mock_task
self.monitoring_loop._download_new_images(urls)
# Verify download was attempted
self.mock_download_manager.download_and_save.assert_called_once_with(mock_task)
def test_force_check_not_running(self):
"""Test forcing check when not running."""
# Should not crash, just log warning
self.monitoring_loop.force_check()
# No actual check should have been performed
assert self.monitoring_loop.total_checks == 0
@patch('src.scheduler.monitoring_loop.schedule')
@patch('src.scheduler.monitoring_loop.threading.Thread')
def test_start_monitoring(self, mock_thread, mock_schedule):
"""Test starting monitoring loop."""
mock_thread_instance = Mock()
mock_thread.return_value = mock_thread_instance
self.monitoring_loop.start_monitoring()
assert self.monitoring_loop.is_running is True
mock_schedule.every.assert_called_once()
mock_thread_instance.start.assert_called_once()
def test_stop_monitoring_not_running(self):
"""Test stopping monitoring when not running."""
# Should not crash, just log warning
self.monitoring_loop.stop_monitoring()
assert self.monitoring_loop.is_running is False
def test_set_monitoring_range(self):
"""Test setting monitoring range."""
# Test valid range
self.monitoring_loop.set_monitoring_range(7)
assert self.monitoring_loop.get_monitoring_range() == 7
# Test another valid range
self.monitoring_loop.set_monitoring_range(30)
assert self.monitoring_loop.get_monitoring_range() == 30
def test_set_monitoring_range_invalid(self):
"""Test setting invalid monitoring range."""
with pytest.raises(ValueError, match="Monitoring range must be at least 1 day"):
self.monitoring_loop.set_monitoring_range(0)
with pytest.raises(ValueError, match="Monitoring range must be at least 1 day"):
self.monitoring_loop.set_monitoring_range(-1)
def test_get_monitoring_range(self):
"""Test getting monitoring range."""
# Should return default value
assert self.monitoring_loop.get_monitoring_range() == 1
def test_set_monitoring_range(self):
"""Test setting monitoring range."""
self.monitoring_loop.set_monitoring_range(7)
assert self.monitoring_loop.get_monitoring_range() == 7
# Test invalid range
with pytest.raises(ValueError):
self.monitoring_loop.set_monitoring_range(0)
def test_get_monitoring_range(self):
"""Test getting monitoring range."""
assert self.monitoring_loop.get_monitoring_range() == 1
class TestTaskCoordinator:
"""Test cases for TaskCoordinator class."""
def setup_method(self):
"""Set up test fixtures."""
self.mock_monitoring_loop = Mock()
self.coordinator = TaskCoordinator(self.mock_monitoring_loop)
def test_initialization(self):
"""Test task coordinator initialization."""
# Verify callbacks were set
assert self.mock_monitoring_loop.on_check_start is not None
assert self.mock_monitoring_loop.on_check_complete is not None
assert self.mock_monitoring_loop.on_new_images_found is not None
def test_on_check_start(self):
"""Test check start callback."""
check_time = datetime.now()
check_number = 5
# Should not raise exception
self.coordinator._on_check_start(check_time, check_number)
def test_on_check_complete(self):
"""Test check complete callback."""
check_time = datetime.now()
new_images = 3
duration = 2.5
# Should not raise exception
self.coordinator._on_check_complete(check_time, new_images, duration)
def test_on_new_images_found(self):
"""Test new images found callback."""
urls = [
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_120000_4096_0211.jpg",
"https://sdo.gsfc.nasa.gov/assets/img/browse/2025/12/19/20251219_130000_4096_0211.jpg"
]
# Should not raise exception
self.coordinator._on_new_images_found(urls)
class TestStatusReporter:
"""Test cases for StatusReporter class."""
def setup_method(self):
"""Set up test fixtures."""
self.mock_monitoring_loop = Mock()
self.reporter = StatusReporter(self.mock_monitoring_loop)
def test_initialization(self):
"""Test status reporter initialization."""
assert self.reporter.monitoring_loop == self.mock_monitoring_loop
def test_print_status(self):
"""Test printing status."""
# Mock status
self.mock_monitoring_loop.get_status.return_value = {
'is_running': True,
'check_interval_minutes': 5,
'monitoring_range_days': 1,
'total_checks': 10,
'last_check_time': datetime(2025, 12, 19, 12, 0, 0),
'new_images_found': 5,
'total_downloads': 3,
'failed_downloads': 2
}
# Should not raise exception
self.reporter.print_status()
def test_print_status_no_last_check(self):
"""Test printing status when no checks have been performed."""
# Mock status with no last check time
self.mock_monitoring_loop.get_status.return_value = {
'is_running': False,
'check_interval_minutes': 5,
'monitoring_range_days': 1,
'total_checks': 0,
'last_check_time': None,
'new_images_found': 0,
'total_downloads': 0,
'failed_downloads': 0
}
# Should not raise exception
self.reporter.print_status()
@patch('src.scheduler.monitoring_loop.schedule')
def test_log_periodic_status(self, mock_schedule):
"""Test setting up periodic status logging."""
self.reporter.log_periodic_status(30)
# Verify schedule was called
mock_schedule.every.assert_called_once_with(30)