Move pypi doctest to test file

Signed-off-by: Jono Yang <[email protected]>

Author: JonoYang

src/packagedcode/pypi.py

@@ -760,31 +760,6 @@ def parse(cls, location):
 
 
 class PipRequirementsFileHandler(BaseDependencyFileHandler):
-    """
-    A pip requirements (or constraints) file.
-
-    Some example::
-    >>> PipRequirementsFileHandler.is_datafile('dev-requirements.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirements.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirement.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirements.in', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirements.pip', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirements-dev.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('some-requirements-dev.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requires.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('requirements/base.txt', _bare_filename=True)
-    True
-    >>> PipRequirementsFileHandler.is_datafile('reqs.txt', _bare_filename=True)
-    True
-    """
     datasource_id = 'pip_requirements'
 
     path_patterns = (

tests/packagedcode/test_pypi.py

@@ -395,6 +395,48 @@ def test_parse_dependency_file_with_invalid_does_not_fail(self):
         expected_loc = self.get_test_loc('pypi/requirements_txt/invalid_spec/output.expected.json')
         self.check_packages_data(package, expected_loc, regen=REGEN_TEST_FIXTURES)
 
+    def test_PipRequirementsFileHandler_is_datafile(self):
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('dev-requirements.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirements.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirement.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirements.in', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirements.pip', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirements-dev.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('some-requirements-dev.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requires.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('requirements/base.txt', _bare_filename=True),
+            True
+        )
+        self.assertEqual(
+            pypi.PipRequirementsFileHandler.is_datafile('reqs.txt', _bare_filename=True),
+            True
+        )
+
 
 class TestPyPiPipfile(PackageTester):
     test_data_dir = os.path.join(os.path.dirname(__file__), 'data')