From 7af79e602152aa122328063d5d7d5a16c65e594a Mon Sep 17 00:00:00 2001
From: Emile Anclin <emile.anclin@logilab.fr>
Date: Tue, 17 Mar 2009 15:48:24 +0100
Subject: [PATCH] relation extraction tests

--HG--
branch : astng2
---
 test/unittest_pyreverse_diadefs.py | 38 ++++++++++++++++++++++++++++++
 test/utils.py                      | 11 +++++----
 2 files changed, 44 insertions(+), 5 deletions(-)

diff --git a/test/unittest_pyreverse_diadefs.py b/test/unittest_pyreverse_diadefs.py
index ee848dc24..c8859e57f 100644
--- a/test/unittest_pyreverse_diadefs.py
+++ b/test/unittest_pyreverse_diadefs.py
@@ -35,6 +35,7 @@ CONFIG = Config()
 HANDLER = DiadefsHandler(CONFIG)
 
 def _process_classes(classes):
+    """extract class names of a list"""
     result = []
     for classe in classes:
         result.append({'node' : isinstance(classe.node, astng.Class),
@@ -43,6 +44,7 @@ def _process_classes(classes):
     return result
 
 def _process_modules(modules):
+    """extract module names from a list"""
     result = []
     for module in modules:
         result.append({'node' : isinstance(module.node, astng.Module),
@@ -50,6 +52,19 @@ def _process_modules(modules):
     result.sort()
     return result
 
+def _process_relations(relations):
+    """extract relation indices from a relation list"""
+    result = []
+    print "processing relations"
+    for rel_type, rels  in relations.items():
+        print rel_type
+        for rel in rels:
+            result.append( (rel_type, rel.from_object.title,
+                            rel.to_object.title) )
+    result.sort()
+    return result
+
+
 class DiaDefGeneratorTC(unittest.TestCase):
     def test_option_values(self):
         """test for ancestor, associated and module options"""
@@ -107,6 +122,29 @@ class DefaultDiadefGeneratorTC(unittest.TestCase):
                                     {'node': True, 'name': 'Specialization'}]
                           )
 
+    def test_exctract_relations(self):
+        """test extract_relations between classes"""
+        cd = DefaultDiadefGenerator(Linker(PROJECT), HANDLER).visit(PROJECT)[1]
+        cd.extract_relationships()
+        relations = _process_relations(cd.relationships)
+        should = [('association', 'DoNothing', 'Specialization'),
+                  ('implements', 'Ancestor', 'Interface'),
+                  ('specialization', 'Specialization', 'Ancestor')]
+        self._relations = should
+        self.assertEquals(relations, should)
+
+    def test_functional_relation_extraction(self):
+        """functional test of relations extraction;
+        different classes possibly in different modules"""
+        # XXX should be catching pyreverse environnement problem but doesn't
+        # pyreverse doesn't extracts the relations but this test ok
+        project = ASTNGManager().project_from_files(['data'], astng_wrapper)
+        handler = DiadefsHandler( Config() )
+        diadefs = handler.get_diadefs(project, Linker(project, tag=True) )
+        cd = diadefs[1]
+        relations = _process_relations(cd.relationships)
+        self.assertEquals(relations, self._relations)
+
     def test_known_values2(self):
         project = ASTNGManager().project_from_files(['data.clientmodule_test'], astng_wrapper)
         dd = DefaultDiadefGenerator(Linker(project), HANDLER).visit(project)
diff --git a/test/utils.py b/test/utils.py
index e965cd3c1..474e32759 100644
--- a/test/utils.py
+++ b/test/utils.py
@@ -104,15 +104,16 @@ def get_project(module, name=None):
     return manager.project_from_files([module], _astng_wrapper,
                                       project_name=name)
 
-attrs = {'all_ancestors': None, 'show_associated': None, 'module_names': None,
-         'output_format': 'dot', 'diadefs_file': None, 'quiet': 0,
-         'show_ancestors': None, 'classes': (), 'all_associated': None,
-         'mode': 'PUB_ONLY', 'show_builtin': False, 'only_classnames': False}
+DEFAULTS = {'all_ancestors': None, 'show_associated': None,
+            'module_names': None,
+            'output_format': 'dot', 'diadefs_file': None, 'quiet': 0,
+            'show_ancestors': None, 'classes': (), 'all_associated': None,
+            'mode': 'PUB_ONLY', 'show_builtin': False, 'only_classnames': False}
 
 class Config(object):
     """config object for tests"""
     def __init__(self):
-        for attr, value in attrs.items():
+        for attr, value in DEFAULTS.items():
             setattr(self, attr, value)
 
 class FileTC(unittest.TestCase):