feat(urllib.request): add importlib resource handler

tests/unit/byteb4rb1e/utils/urllib/test_request.py

@@ -1,13 +1,90 @@
+import os.path
+import sys
+import urllib.request
+
 import pytest
 
+from byteb4rb1e.utils.testing.pytest.decorators import run_in_subprocess_once
+from byteb4rb1e.utils.testing.pytest.fixtures import mock_pkg
 from byteb4rb1e.utils.urllib.request import PkgHandler
 
 
 class TestPkgHandler:
     """
     """
-    def test_default(self):
+    @run_in_subprocess_once()
+    def test_text(self, mock_pkg):
         """
         """
-        pass
+        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
+            PkgHandler()
+        )
 
+        dummy_data = 'Hello'
+
+        mock_pkg('foobarpkg', {
+            'data.txt': dummy_data
+        })
+
+        result = _opener.open('pkg://foobarpkg/data.txt').readline()
+
+        assert isinstance(result, str)
+        assert result == dummy_data
+
+
+    @run_in_subprocess_once()
+    def test_bytes(self, mock_pkg):
+        """
+        """
+        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
+            PkgHandler()
+        )
+
+        dummy_data = b'foobar123'
+
+        mock_pkg('foobarpkg', {
+            'data.bin': dummy_data
+        })
+
+        result = _opener.open('pkg://foobarpkg/data.bin').readline()
+
+        assert isinstance(result, bytes)
+        assert result == dummy_data
+
+
+    @run_in_subprocess_once()
+    def test_subdir(self, mock_pkg):
+        """
+        """
+        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
+            PkgHandler()
+        )
+
+        dummy_data = 'foobar123'
+
+        mock_pkg('foobarpkg', {
+            'foo/bar/data.txt': dummy_data
+        })
+
+        result = _opener.open('pkg://foobarpkg/foo/bar/data.txt').readline()
+
+        assert result == dummy_data
+
+
+    @run_in_subprocess_once()
+    def test_nested_module(self, mock_pkg):
+        """
+        """
+        _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
+            PkgHandler()
+        )
+
+        dummy_data = 'foobar123'
+
+        mock_pkg('foo.bar.pkg', {
+            'dummy/data.txt': dummy_data
+        })
+
+        result = _opener.open('pkg://foo.bar.pkg/dummy/data.txt').readline()
+
+        assert result == dummy_data