adapt pyreverse for inclusion into pylint

1 files changed, 152 insertions, 0 deletions

diff --git a/test/utils.py b/test/utils.py
new file mode 100644
index 0000000..e965cd3
--- /dev/null
+++ b/test/utils.py
@@ -0,0 +1,152 @@
+"""some pylint test utilities
+"""
+from glob import glob
+from os.path import join, abspath, dirname, basename, exists
+from cStringIO import StringIO
+
+from pylint.interfaces import IReporter
+from pylint.reporters import BaseReporter
+
+PREFIX = abspath(dirname(__file__))
+
+def fix_path():
+    import sys
+    sys.path.insert(0, PREFIX)
+
+import sys
+MSGPREFIXES = ['2.%s_'%i for i in range(5, 2, -1) if i <= sys.version_info[1]]
+MSGPREFIXES.append('')
+
+def get_tests_info(prefix=None, suffix=None, inputdir='input', msgdir='messages'):
+    pattern = '*'
+    if prefix:
+        pattern = prefix + pattern
+    if suffix:
+        pattern = pattern + suffix
+    result = []
+    for file in glob(join(PREFIX, inputdir, pattern)):
+        infile = basename(file)
+        for msgprefix in MSGPREFIXES:
+            outfile = join(PREFIX, msgdir, msgprefix + infile.replace(suffix, '.txt'))
+            if exists(outfile):
+                break
+        result.append((infile, outfile))
+    return result
+
+
+TITLE_UNDERLINES = ['', '=', '-', '.']
+
+class TestReporter(BaseReporter):
+    """ store plain text messages 
+    """
+    
+    __implements____ = IReporter
+    
+    def __init__(self):
+        self.message_ids = {}
+        self.reset()
+        
+    def reset(self):
+        self.out = StringIO()
+        self.messages = []
+        
+    def add_message(self, msg_id, location, msg):
+        """manage message of different type and in the context of path """
+        fpath, module, object, line = location
+        self.message_ids[msg_id] = 1
+        if object:
+            object = ':%s' % object
+        sigle = msg_id[0]
+        self.messages.append('%s:%3s%s: %s' % (sigle, line, object, msg))
+
+    def finalize(self):
+        self.messages.sort()
+        for msg in self.messages:
+            print >>self.out, msg
+        result = self.out.getvalue()
+        self.reset()
+        return result
+    
+    def display_results(self, layout):
+        """ignore layouts"""
+
+
+# # # # #  pyreverse unittest utilities  # # # # # #
+
+
+import unittest
+import os
+import sys
+from os.path import join
+
+from logilab.astng import ASTNGManager
+
+
+
+def _astng_wrapper(func, modname):
+    return func(modname)
+
+
+def _sorted_file(path):
+    lines = [line.strip() for line in open(path).readlines()
+             if (line.find('squeleton generated by ') == -1 and
+                 not line.startswith('__revision__ = "$Id:'))]
+    lines = [line for line in lines if line]
+    lines.sort()
+    return '\n'.join(lines)
+
+def get_project(module, name=None):
+    """return a astng project representation
+    """
+    manager = ASTNGManager()
+    # flush cache
+    manager._modules_by_name = {}
+    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}
+
+class Config(object):
+    """config object for tests"""
+    def __init__(self):
+        for attr, value in attrs.items():
+            setattr(self, attr, value)
+
+class FileTC(unittest.TestCase):
+    """base test case for testing file output"""
+
+    generated_files = ()
+
+    def setUp(self):
+        self.expected_files = [join('data', file)
+                               for file in self.generated_files]
+
+    def tearDown(self):
+        for fname in self.generated_files:
+            try:
+                os.remove(fname)
+            except:
+                continue
+
+    def _test_same_file(self, index):
+        generated_file = self.generated_files[index]
+        expected_file = self.expected_files[index]
+        generated = _sorted_file(generated_file)
+        expected = _sorted_file(expected_file)
+
+        from difflib import unified_diff
+        files = "\n *** expected : %s, generated : %s \n"  % (
+            expected_file, generated_file)
+        self.assertEqual(expected, generated, '%s%s' % (
+            files, '\n'.join(line for line in unified_diff(
+            expected.splitlines(), generated.splitlines() ))) )
+        os.remove(generated_file)
+
+
+def build_file_case(filetc):
+    for i in range(len(filetc.generated_files)):
+        setattr(filetc, 'test_same_file_%s' %i,
+                lambda self, index=i: self._test_same_file(index))