Add even more tests

tests/test_config.py

@@ -1,3 +1,7 @@
+from pathlib import Path
+import tempfile
+import pytest
+import yaml
 from utils import config
 
 
@@ -25,3 +29,169 @@ def test_metadata_config_defaults():
     mc = config.MetadataConfig()
     assert mc.cache_enabled is True
     assert mc.inherit_from_parent is True
+    assert mc.supported_formats == ['.yaml', '.yml', '.json']
+
+
+def test_metadata_config_custom():
+    mc = config.MetadataConfig(
+        cache_enabled=False,
+        inherit_from_parent=False,
+        supported_formats=['.yaml']
+    )
+    assert mc.cache_enabled is False
+    assert mc.inherit_from_parent is False
+    assert mc.supported_formats == ['.yaml']
+
+
+def test_gallery_item():
+    item = config.GalleryItem(name="test", path=Path("/test/path"))
+    assert item.name == "test"
+    assert item.path == Path("/test/path")
+
+
+def test_config_creation():
+    paths = config.PathConfig(work_dir="/work", web_folder="/web")
+    gallery = config.GalleryConfig(
+        plot_root="plots", png_dpi=300, backup_folder="backups")
+    ui = config.UIConfig(max_recent_plots=5, search_debounce_ms=100)
+    metadata = config.MetadataConfig()
+
+    cfg = config.Config(
+        paths=paths,
+        gallery=gallery,
+        ui=ui,
+        metadata=metadata
+    )
+
+    assert cfg.paths == paths
+    assert cfg.gallery == gallery
+    assert cfg.ui == ui
+    assert cfg.metadata == metadata
+    assert cfg.sources == []
+
+
+def test_config_backward_compatibility_properties():
+    paths = config.PathConfig(work_dir="/work", web_folder="/web")
+    gallery = config.GalleryConfig(
+        plot_root="plots", png_dpi=300, backup_folder="backups")
+    ui = config.UIConfig(max_recent_plots=5, search_debounce_ms=100)
+    metadata = config.MetadataConfig()
+
+    cfg = config.Config(
+        paths=paths,
+        gallery=gallery,
+        ui=ui,
+        metadata=metadata
+    )
+
+    assert cfg.web_folder == "/web"
+    assert cfg.png_dpi == 300
+    assert cfg.plot_root == "plots"
+    assert cfg.backup_folder == "backups"
+
+
+def test_config_from_yaml(tmp_path):
+    yaml_content = {
+        'paths': {
+            'work_dir': '/test/work',
+            'web_folder': '/test/web'
+        },
+        'gallery': {
+            'plot_root': 'test_plots',
+            'png_dpi': 200,
+            'backup_folder': 'test_backups'
+        },
+        'ui': {
+            'max_recent_plots': 15,
+            'search_debounce_ms': 300
+        },
+        'metadata': {
+            'cache_enabled': False,
+            'inherit_from_parent': False
+        },
+        'sources': [
+            {'name': 'source1', 'path': '/path1'},
+            {'name': 'source2', 'path': '/path2'}
+        ]
+    }
+
+    yaml_file = tmp_path / 'test_config.yaml'
+    with yaml_file.open('w') as f:
+        yaml.dump(yaml_content, f)
+
+    cfg = config.Config.from_yaml(str(yaml_file))
+
+    assert cfg.paths.work_dir == '/test/work'
+    assert cfg.paths.web_folder == '/test/web'
+    assert cfg.gallery.plot_root == 'test_plots'
+    assert cfg.gallery.png_dpi == 200
+    assert cfg.ui.max_recent_plots == 15
+    assert cfg.metadata.cache_enabled is False
+    assert len(cfg.sources) == 2
+    assert cfg.sources[0].name == 'source1'
+    assert cfg.sources[0].path == Path('/path1')
+
+
+def test_config_from_yaml_missing_file():
+    with pytest.raises(FileNotFoundError):
+        config.Config.from_yaml('/nonexistent/file.yaml')
+
+
+def test_config_from_yaml_malformed():
+    with tempfile.NamedTemporaryFile(mode='w', suffix='.yaml',
+                                     delete=False) as f:
+        f.write('invalid: yaml: content: [')
+        f.flush()
+
+        with pytest.raises(yaml.YAMLError):
+            config.Config.from_yaml(f.name)
+
+
+def test_config_to_yaml(tmp_path):
+    paths = config.PathConfig(work_dir="/work", web_folder="/web")
+    gallery = config.GalleryConfig(
+        plot_root="plots", png_dpi=300, backup_folder="backups")
+    ui = config.UIConfig(max_recent_plots=5, search_debounce_ms=100)
+    metadata = config.MetadataConfig()
+    sources = [config.GalleryItem(name="test", path=Path("/test"))]
+
+    cfg = config.Config(
+        paths=paths,
+        gallery=gallery,
+        ui=ui,
+        metadata=metadata,
+        sources=sources
+    )
+
+    yaml_file = tmp_path / 'output_config.yaml'
+    cfg.to_yaml(str(yaml_file))
+
+    assert yaml_file.exists()
+
+    # Load back and verify
+    with yaml_file.open('r') as f:
+        loaded_data = yaml.safe_load(f)
+
+    assert loaded_data['paths']['work_dir'] == "/work"
+    assert loaded_data['gallery']['png_dpi'] == 300
+    assert len(loaded_data['sources']) == 1
+
+
+def test_config_from_yaml_partial_data(tmp_path):
+    # Test with minimal YAML data
+    yaml_content = {
+        'paths': {'work_dir': '/min', 'web_folder': '/min_web'},
+        'gallery': {'plot_root': 'min_plots', 'png_dpi': 100,
+                    'backup_folder': 'min_backup'},
+        'ui': {'max_recent_plots': 3, 'search_debounce_ms': 50}
+    }
+
+    yaml_file = tmp_path / 'minimal_config.yaml'
+    with yaml_file.open('w') as f:
+        yaml.dump(yaml_content, f)
+
+    cfg = config.Config.from_yaml(str(yaml_file))
+
+    # Should use defaults for metadata and empty sources
+    assert cfg.metadata.cache_enabled is True  # default
+    assert cfg.sources == []  # default empty list