Additional test coverage (#732).

borgmatic/config/load.py

@@ -56,14 +56,20 @@ def include_configuration(loader, filename_node, include_directory):
     if isinstance(filename_node.value, str):
         return probe_and_include_file(filename_node.value, include_directories)
 
-    if isinstance(filename_node.value, list):
+    if (
+        isinstance(filename_node.value, list)
+        and len(filename_node.value)
+        and isinstance(filename_node.value[0], ruamel.yaml.nodes.ScalarNode)
+    ):
+        # Reversing the values ensures the correct ordering if these includes are subsequently
+        # merged together.
         return [
             probe_and_include_file(node.value, include_directories)
             for node in reversed(filename_node.value)
         ]
 
     raise ValueError(
-        f'!include value type ({type(filename_node.value)}) is not supported; use a single filename or a list of filenames'
+        '!include value is not supported; use a single filename or a list of filenames'
     )
 
 

tests/integration/config/test_load.py

@@ -44,6 +44,14 @@ def test_load_configuration_replaces_complex_constants():
     assert module.load_configuration('config.yaml') == {'key': {'subkey': 'value'}}
 
 
+def test_load_configuration_with_only_integer_value_does_not_raise():
+    builtins = flexmock(sys.modules['builtins'])
+    config_file = io.StringIO('33')
+    config_file.name = 'config.yaml'
+    builtins.should_receive('open').with_args('config.yaml').and_return(config_file)
+    assert module.load_configuration('config.yaml') == 33
+
+
 def test_load_configuration_inlines_include_relative_to_current_directory():
     builtins = flexmock(sys.modules['builtins'])
     flexmock(module.os).should_receive('getcwd').and_return('/tmp')
@@ -124,6 +132,37 @@ def test_load_configuration_raises_if_absolute_include_does_not_exist():
         assert module.load_configuration('config.yaml')
 
 
+def test_load_configuration_inlines_multiple_file_include_as_list():
+    builtins = flexmock(sys.modules['builtins'])
+    flexmock(module.os).should_receive('getcwd').and_return('/tmp')
+    flexmock(module.os.path).should_receive('isabs').and_return(True)
+    flexmock(module.os.path).should_receive('exists').never()
+    include1_file = io.StringIO('value1')
+    include1_file.name = '/root/include1.yaml'
+    builtins.should_receive('open').with_args('/root/include1.yaml').and_return(include1_file)
+    include2_file = io.StringIO('value2')
+    include2_file.name = '/root/include2.yaml'
+    builtins.should_receive('open').with_args('/root/include2.yaml').and_return(include2_file)
+    config_file = io.StringIO('key: !include [/root/include1.yaml, /root/include2.yaml]')
+    config_file.name = 'config.yaml'
+    builtins.should_receive('open').with_args('config.yaml').and_return(config_file)
+
+    assert module.load_configuration('config.yaml') == {'key': ['value2', 'value1']}
+
+
+def test_load_configuration_include_with_unsupported_filename_type_raises():
+    builtins = flexmock(sys.modules['builtins'])
+    flexmock(module.os).should_receive('getcwd').and_return('/tmp')
+    flexmock(module.os.path).should_receive('isabs').and_return(True)
+    flexmock(module.os.path).should_receive('exists').never()
+    config_file = io.StringIO('key: !include {path: /root/include.yaml}')
+    config_file.name = 'config.yaml'
+    builtins.should_receive('open').with_args('config.yaml').and_return(config_file)
+
+    with pytest.raises(ValueError):
+        module.load_configuration('config.yaml')
+
+
 def test_load_configuration_merges_include():
     builtins = flexmock(sys.modules['builtins'])
     flexmock(module.os).should_receive('getcwd').and_return('/tmp')
@@ -149,6 +188,43 @@ def test_load_configuration_merges_include():
     assert module.load_configuration('config.yaml') == {'foo': 'override', 'baz': 'quux'}
 
 
+def test_load_configuration_merges_multiple_file_include():
+    builtins = flexmock(sys.modules['builtins'])
+    flexmock(module.os).should_receive('getcwd').and_return('/tmp')
+    flexmock(module.os.path).should_receive('isabs').and_return(False)
+    flexmock(module.os.path).should_receive('exists').and_return(True)
+    include1_file = io.StringIO(
+        '''
+        foo: bar
+        baz: quux
+        original: yes
+        '''
+    )
+    include1_file.name = 'include1.yaml'
+    builtins.should_receive('open').with_args('/tmp/include1.yaml').and_return(include1_file)
+    include2_file = io.StringIO(
+        '''
+        baz: second
+        '''
+    )
+    include2_file.name = 'include2.yaml'
+    builtins.should_receive('open').with_args('/tmp/include2.yaml').and_return(include2_file)
+    config_file = io.StringIO(
+        '''
+        foo: override
+        <<: !include [include1.yaml, include2.yaml]
+        '''
+    )
+    config_file.name = 'config.yaml'
+    builtins.should_receive('open').with_args('config.yaml').and_return(config_file)
+
+    assert module.load_configuration('config.yaml') == {
+        'foo': 'override',
+        'baz': 'second',
+        'original': 'yes',
+    }
+
+
 def test_load_configuration_with_retain_tag_merges_include_but_keeps_local_values():
     builtins = flexmock(sys.modules['builtins'])
     flexmock(module.os).should_receive('getcwd').and_return('/tmp')

tests/unit/config/test_normalize.py

@@ -111,6 +111,13 @@ def test_normalize_sections_with_different_umask_values_raises():
         module.normalize_sections('test.yaml', config)
 
 
+def test_normalize_sections_with_only_scalar_raises():
+    config = 33
+
+    with pytest.raises(ValueError):
+        module.normalize_sections('test.yaml', config)
+
+
 @pytest.mark.parametrize(
     'config,expected_config,produces_logs',
     (