test: extend TestRequirementsParser to check hashes (#368)

* Extend TestRequirementsParser.test_example_with_hashes() to check hashes

Signed-off-by: Rodney Richardson <rodney.richardson@cambridgeconsultants.com>

* Add additional test for hash.

Signed-off-by: Rodney Richardson <rodney.richardson@cambridgeconsultants.com>

Author: RodneyRichardson

tests/test_parser_requirements.py

@@ -20,6 +20,9 @@
 import os
 from unittest import TestCase
 
+from cyclonedx.model import HashAlgorithm, HashType
+from cyclonedx.model.component import Component
+
 from cyclonedx_py.parser.requirements import RequirementsFileParser, RequirementsParser
 
 
@@ -68,6 +71,11 @@ def test_example_multilines_with_comments(self) -> None:
 
         self.assertFalse(parser.has_warnings(), f'{parser.get_warnings()}')
         self.assertEqual(1, len(components), f'{components}')
+        component: Component = components[0]
+        self.assertEqual(1, len(component.hashes))
+        hash: HashType = component.hashes.pop()
+        self.assertEqual(HashAlgorithm.SHA_256, hash.alg)
+        self.assertNotEqual(0, len(hash.content), f'{hash.content}')
 
     def test_example_local_packages(self) -> None:
         with open(os.path.join(os.path.dirname(__file__),
@@ -125,6 +133,14 @@ def test_example_with_hashes(self) -> None:
         self.assertFalse(parser.has_warnings(), f'{parser.get_warnings()}')
         self.assertEqual(5, len(components), f'{components}')
 
+        c_idna = next(filter(lambda c: c.name == 'idna', components), None)
+        self.assertIsNotNone(c_idna)
+        self.assertEqual('idna', c_idna.name)
+        self.assertEqual(2, len(c_idna.hashes), f'{c_idna.hashes}')
+        hash: HashType = c_idna.hashes.pop()
+        self.assertEqual(HashAlgorithm.SHA_256, hash.alg)
+        self.assertNotEqual(0, len(hash.content), f'{hash.content}')
+
     def test_example_without_pinned_versions_warns(self) -> None:
         with open(os.path.join(os.path.dirname(__file__),
                                'fixtures/requirements-without-pinned-versions.txt')) as r: