Add CPE VO EQ and hash method.

Close #30
Close #31

Author: n1nj4t4nuk1

tests/security/cve_test.py

@@ -5,6 +5,31 @@
 
 
 class TestCveValueObject(unittest.TestCase):
+
+    def __init__(self, *args):
+        super().__init__(*args)
+        self._cls = Cve
+
+    def test_vo_equal_hash(self):
+        original_vo_hash = hash(self._cls('CVE-2023-33000'))
+        equal_vo_hash = hash(self._cls('CVE-2023-33000'))
+        self.assertEqual(original_vo_hash, equal_vo_hash)
+
+    def test_vo_different_hash(self):
+        original_vo_hash = hash(self._cls('CVE-2023-33000'))
+        not_equal_vo_hash = hash(self._cls('CVE-2021-34527'))
+        self.assertNotEqual(original_vo_hash, not_equal_vo_hash)
+
+    def test_vo_equality(self):
+        original_vo = self._cls('CVE-2023-33000')
+        equal_vo = self._cls('CVE-2023-33000')
+        self.assertEqual(original_vo, equal_vo)
+
+    def test_vo_different_equality(self):
+        original_vo = self._cls('CVE-2023-33000')
+        different_vo = self._cls('CVE-2021-34527')
+        self.assertNotEqual(original_vo, different_vo)
+
     def test_value_return_input_value(self):
         vo = Cve('CVE-2023-33000')
         self.assertEqual('CVE-2023-33000', vo.value())

tests/security/nullable_cve_test.py

@@ -5,6 +5,31 @@
 
 
 class TestNullableCveValueObject(unittest.TestCase):
+
+    def __init__(self, *args):
+        super().__init__(*args)
+        self._cls = NullableCve
+
+    def test_vo_equal_hash(self):
+        original_vo_hash = hash(self._cls('CVE-2023-33000'))
+        equal_vo_hash = hash(self._cls('CVE-2023-33000'))
+        self.assertEqual(original_vo_hash, equal_vo_hash)
+
+    def test_vo_different_hash(self):
+        original_vo_hash = hash(self._cls('CVE-2023-33000'))
+        not_equal_vo_hash = hash(self._cls('CVE-2021-34527'))
+        self.assertNotEqual(original_vo_hash, not_equal_vo_hash)
+
+    def test_vo_equality(self):
+        original_vo = self._cls('CVE-2023-33000')
+        equal_vo = self._cls('CVE-2023-33000')
+        self.assertEqual(original_vo, equal_vo)
+
+    def test_vo_different_equality(self):
+        original_vo = self._cls('CVE-2023-33000')
+        different_vo = self._cls('CVE-2021-34527')
+        self.assertNotEqual(original_vo, different_vo)
+
     def test_value_return_input_value(self):
         self.assertRaises(ValueObjectError, NullableCve, '')