Improve package version validation

Change-Id: Ib9f7ea83ddd5a042010ea8e35f4426939745e17e

muranopkgcheck/tests/test_manifest_validator.py

@@ -55,6 +55,11 @@ class ManifestValidatorTests(helpers.BaseValidatorTestClass):
         self.g = self.mv._valid_type('Shared Library')
         self.assertIn('Type is invalid "Shared Library"', next(self.g).message)
 
+    def test_incorrect_package_version(self):
+        self.g = self.mv._valid_version('a1.3')
+        self.assertIn('Version format should be compatible with SemVer '
+                      'not "a1.3"', next(self.g).message)
+
     def test_wrong_require_type(self):
         self.g = self.mv._valid_require([1, 2, 3])
         self.assertIn('Require is not a dict type', next(self.g).message)

muranopkgcheck/validators/manifest.py

@@ -14,6 +14,8 @@
 
 
 import os.path
+
+import semantic_version
 import six
 
 from muranopkgcheck import error
@@ -26,7 +28,7 @@ class ManifestValidator(base.YamlValidator):
                                                 'manifest.yaml$')
         self.add_checker(self._valid_format, 'Format', False)
         self.add_checker(self._valid_string, 'Author', False)
-        self.add_checker(self._valid_string, 'Version', False)
+        self.add_checker(self._valid_version, 'Version', False)
         self.add_checker(self._valid_fullname, 'FullName')
         self.add_checker(self._valid_string, 'Name', False)
         self.add_checker(self._valid_classes, 'Classes', False)
@@ -66,6 +68,14 @@ class ManifestValidator(base.YamlValidator):
             yield error.report.E071('Type is invalid "{0}"'.format(value),
                                     value)
 
+    def _valid_version(self, version):
+        try:
+            semantic_version.Version.coerce(str(version))
+        except ValueError:
+            yield error.report.E071('Version format should be compatible with '
+                                    'SemVer not "{0}"'.format(version),
+                                    version)
+
     def _valid_logo_ui_existance(self, ast):
         if 'Logo' not in ast:
             yield self._valid_logo('logo.png')

requirements.txt

@@ -7,3 +7,4 @@ PyYAML>=3.1.0 # MIT
 yaql>=1.1.0 # Apache 2.0 License
 six>=1.9.0 # MIT
 stevedore>=1.16.0 # Apache-2.0
+semantic_version>=2.3.1 # BSD