Comment and divide out tests for requirements

tests/test_utils.py

@@ -253,25 +253,40 @@ twine = "*"
 
     @pytest.mark.requirements
     def test_get_requirements(self):
+        # Test eggs in URLs
         url_with_egg = pipenv.utils.get_requirement('https://github.com/IndustriaTech/django-user-clipboard/archive/0.6.1.zip#egg=django-user-clipboard')
         assert url_with_egg.uri == 'https://github.com/IndustriaTech/django-user-clipboard/archive/0.6.1.zip'
         assert url_with_egg.name == 'django-user-clipboard'
+
+        # Test URLs without eggs pointing at installable zipfiles
         url = pipenv.utils.get_requirement('https://github.com/kennethreitz/tablib/archive/0.12.1.zip')
         assert url.uri == 'https://github.com/kennethreitz/tablib/archive/0.12.1.zip'
+
+        # Test VCS urls with refs and eggnames
         vcs_url = pipenv.utils.get_requirement('git+https://github.com/kennethreitz/tablib.git@master#egg=tablib')
         assert vcs_url.vcs == 'git' and vcs_url.name == 'tablib' and vcs_url.revision == 'master'
         assert vcs_url.uri == 'git+https://github.com/kennethreitz/tablib.git'
+
+        # Test normal package requirement
         normal = pipenv.utils.get_requirement('tablib')
         assert normal.name == 'tablib'
+
+        # Pinned package  requirement
         spec = pipenv.utils.get_requirement('tablib==0.12.1')
         assert spec.name == 'tablib' and spec.specs == [('==', '0.12.1')]
+
+        # Test complex package with both extras and markers
         extras_markers = pipenv.utils.get_requirement("requests[security]; os_name=='posix'")
         assert extras_markers.extras == ['security']
         assert extras_markers.name == 'requests'
         assert extras_markers.markers == "os_name=='posix'"
+
+        # Test VCS uris get generated correctly, retain git+git@ if supplied that way, and are named according to egg fragment
         git_reformat = pipenv.utils.get_requirement('-e git+git@github.com:pypa/pipenv.git#egg=pipenv')
         assert git_reformat.uri == 'git+git@github.com:pypa/pipenv.git'
         assert git_reformat.name == 'pipenv'
         assert git_reformat.editable
+        # Previously VCS uris were being treated as local files, so make sure these are not handled that way
         assert not git_reformat.local_file
+        # Test regression where VCS uris were being handled as paths rather than VCS entries
         assert git_reformat.vcs == 'git'