Merge 'issue_71' into development: closing issue #71 (spec tests)

This brings the spec tests into the nosetest/unittest run.

.gitmodules

+[submodule "ext/spec"]
+	path = ext/spec
+	url = http://github.com/mustache/spec.git

README.rst

@@ -67,6 +67,11 @@ nose_ works great! ::
     cd pystache
     nosetests --with-doctest
 
+To include tests from the mustache spec_ in your test runs: ::
+
+    git submodule init
+    git submodule update
+
 
 Mailing List
 ==================
@@ -91,3 +96,4 @@ Author
 .. _Mustache: http://defunkt.github.com/mustache/
 .. _mustache(5): http://mustache.github.com/mustache.5.html
 .. _nose: http://somethingaboutorange.com/mrl/projects/nose/0.11.1/testing.html
+.. _spec: https://github.com/mustache/spec

spec @ 62871926

+Subproject commit 62871926ab5789ab6c55f5a1deda359ba5f7b2fa

tests/test_spec.py

+# coding: utf-8
+
+"""
+Tests the mustache spec test cases.
+
+"""
+
+import glob
+import os.path
+import unittest
+import yaml
+
+from pystache.renderer import Renderer
+
+
+def code_constructor(loader, node):
+    value = loader.construct_mapping(node)
+    return eval(value['python'], {})
+
+yaml.add_constructor(u'!code', code_constructor)
+
+specs = os.path.join(os.path.dirname(__file__), '..', 'ext', 'spec', 'specs')
+specs = glob.glob(os.path.join(specs, '*.yml'))
+
+class MustacheSpec(unittest.TestCase):
+    pass
+
+def buildTest(testData, spec_filename):
+
+    name = testData['name']
+    description  = testData['desc']
+
+    test_name = "%s (%s)" % (name, spec_filename)
+
+    def test(self):
+        template = testData['template']
+        partials = testData.has_key('partials') and testData['partials'] or {}
+        expected = testData['expected']
+        data     = testData['data']
+
+        renderer = Renderer(loader=partials)
+        actual = renderer.render(template, data).encode('utf-8')
+
+        message = """%s
+
+  Template: \"""%s\"""
+
+  Expected: %s
+  Actual:   %s""" % (description, template, repr(expected), repr(actual))
+
+        self.assertEquals(actual, expected, message)
+
+    # The name must begin with "test" for nosetests test discovery to work.
+    test.__name__ = 'test: "%s"' % test_name
+
+    return test
+
+for spec in specs:
+    file_name  = os.path.basename(spec)
+
+    for test in yaml.load(open(spec))['tests']:
+        test = buildTest(test, file_name)
+        setattr(MustacheSpec, test.__name__, test)
+        # Prevent this variable from being interpreted as another test.
+        del(test)
+
+if __name__ == '__main__':
+    unittest.main()