Updating Role class for new DataLoader stuff

v2/ansible/playbook/base.py

@@ -35,7 +35,7 @@ class Base:
     def __init__(self, loader=DataLoader):
 
         # the data loader class is used to parse data from strings and files
-        self._loader = loader
+        self._loader = loader()
 
         # each class knows attributes set upon it, see Task.py for example
         self._attributes = dict()

v2/ansible/playbook/role.py

@@ -38,16 +38,15 @@ class Role(Base):
     _src            = FieldAttribute(isa='string')
     _scm            = FieldAttribute(isa='string')
     _version        = FieldAttribute(isa='string')
-    _params         = FieldAttribute(isa='dict', default=dict())
-    _metadata       = FieldAttribute(isa='dict', default=dict())
     _task_blocks    = FieldAttribute(isa='list', default=[])
     _handler_blocks = FieldAttribute(isa='list', default=[])
+    _params         = FieldAttribute(isa='dict', default=dict())
+    _metadata       = FieldAttribute(isa='dict', default=dict())
     _default_vars   = FieldAttribute(isa='dict', default=dict())
     _role_vars      = FieldAttribute(isa='dict', default=dict())
 
-    def __init__(self, vault_password=None, loader=DataLoader):
+    def __init__(self, loader=DataLoader):
         self._role_path = None
-        self._vault_password = vault_password
         super(Role, self).__init__(loader=loader)
 
     def __repr__(self):
@@ -57,9 +56,9 @@ class Role(Base):
         return self._attributes['role_name']
 
     @staticmethod
-    def load(data, vault_password=None):
+    def load(data):
         assert isinstance(data, string_types) or isinstance(data, dict)
-        r = Role(vault_password=vault_password)
+        r = Role()
         r.load_data(data)
         return r
 
@@ -116,7 +115,7 @@ class Role(Base):
         if os.path.exists(file_path) and os.path.isdir(file_path):
             main_file = self._resolve_main(file_path)
             if os.path.exists(main_file):
-                return load_data_from_file(main_file, self._vault_password)
+                return self._loader.load_from_file(main_file)
         return None
 
     def _resolve_main(self, basepath):

v2/test/playbook/test_role.py

@@ -19,10 +19,14 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
+from ansible.compat.tests import unittest
+from ansible.compat.tests.mock import patch, MagicMock
+
 from ansible.playbook.block import Block
 from ansible.playbook.role import Role
 from ansible.playbook.task import Task
-from ansible.compat.tests import unittest
+
+from ansible.parsing.yaml import DataLoader
 
 class TestRole(unittest.TestCase):
 
@@ -35,6 +39,15 @@ class TestRole(unittest.TestCase):
     def test_construct_empty_block(self):
         r = Role()
 
+    @patch.object(DataLoader, 'load_from_file')
+    def test__load_role_yaml(self, _load_from_file):
+        _load_from_file.return_value = dict(foo='bar')
+        r = Role()
+        with patch('os.path.exists', return_value=True):
+            with patch('os.path.isdir', return_value=True):
+                res = r._load_role_yaml('/fake/path', 'some_subdir')
+                self.assertEqual(res, dict(foo='bar'))
+
     def test_role__load_list_of_blocks(self):
         task = dict(action='test')
         r = Role()
@@ -45,8 +58,93 @@ class TestRole(unittest.TestCase):
         res = r._load_list_of_blocks([task,task,task])
         self.assertEqual(len(res), 3)
 
-    def test_load_role_simple(self):
-        pass
+    @patch.object(Role, '_get_role_path')
+    @patch.object(Role, '_load_role_yaml')
+    def test_load_role_with_tasks(self, _load_role_yaml, _get_role_path):
+
+        _get_role_path.return_value = ('foo', '/etc/ansible/roles/foo')
+
+        def fake_load_role_yaml(role_path, subdir):
+            if role_path == '/etc/ansible/roles/foo':
+                if subdir == 'tasks':
+                    return [dict(shell='echo "hello world"')]
+            return None
+
+        _load_role_yaml.side_effect = fake_load_role_yaml
+
+        r = Role.load('foo')
+        self.assertEqual(len(r.task_blocks), 1)
+        assert isinstance(r.task_blocks[0], Block)
+
+    @patch.object(Role, '_get_role_path')
+    @patch.object(Role, '_load_role_yaml')
+    def test_load_role_with_handlers(self, _load_role_yaml, _get_role_path):
+
+        _get_role_path.return_value = ('foo', '/etc/ansible/roles/foo')
+
+        def fake_load_role_yaml(role_path, subdir):
+            if role_path == '/etc/ansible/roles/foo':
+                if subdir == 'handlers':
+                    return [dict(name='test handler', shell='echo "hello world"')]
+            return None
+
+        _load_role_yaml.side_effect = fake_load_role_yaml
+
+        r = Role.load('foo')
+        self.assertEqual(len(r.handler_blocks), 1)
+        assert isinstance(r.handler_blocks[0], Block)
+
+    @patch.object(Role, '_get_role_path')
+    @patch.object(Role, '_load_role_yaml')
+    def test_load_role_with_vars(self, _load_role_yaml, _get_role_path):
+
+        _get_role_path.return_value = ('foo', '/etc/ansible/roles/foo')
+
+        def fake_load_role_yaml(role_path, subdir):
+            if role_path == '/etc/ansible/roles/foo':
+                if subdir == 'defaults':
+                    return dict(foo='bar')
+                elif subdir == 'vars':
+                    return dict(foo='bam')
+            return None
+
+        _load_role_yaml.side_effect = fake_load_role_yaml
+
+        r = Role.load('foo')
+        self.assertEqual(r.default_vars, dict(foo='bar'))
+        self.assertEqual(r.role_vars, dict(foo='bam'))
+
+    @patch.object(Role, '_get_role_path')
+    @patch.object(Role, '_load_role_yaml')
+    def test_load_role_with_metadata(self, _load_role_yaml, _get_role_path):
+
+        _get_role_path.return_value = ('foo', '/etc/ansible/roles/foo')
+
+        def fake_load_role_yaml(role_path, subdir):
+            if role_path == '/etc/ansible/roles/foo':
+                if subdir == 'meta':
+                    return dict(dependencies=[], allow_duplicates=False)
+            return None
+
+        _load_role_yaml.side_effect = fake_load_role_yaml
+
+        r = Role.load('foo')
+        self.assertEqual(r.metadata, dict(dependencies=[], allow_duplicates=False))
+
+    @patch.object(Role, '_get_role_path')
+    @patch.object(Role, '_load_role_yaml')
+    def test_load_role_complex(self, _load_role_yaml, _get_role_path):
+
+        _get_role_path.return_value = ('foo', '/etc/ansible/roles/foo')
+
+        def fake_load_role_yaml(role_path, subdir):
+            if role_path == '/etc/ansible/roles/foo':
+                if subdir == 'tasks':
+                    return [dict(shell='echo "hello world"')]
+            return None
+
+        _load_role_yaml.side_effect = fake_load_role_yaml
+
+        r = Role.load(dict(role='foo'))
+
 
-    def test_load_role_complex(self):
-        pass