Begin integrating ircdocs/parser-tests

.gitmodules

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+[submodule "test/parser_tests"]
+	path = test/parser-tests
+	url = https://github.com/ircdocs/parser-tests

test/parser-tests

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+Subproject commit 1eea408666145cd4ef08f255523350ebef8f063f

test/test_irc_parsers.py

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+"""
+Tests for IRC parsers.
+"""
+from pathlib import Path
+import unittest
+
+import yaml
+
+PARSER_DATA_PATH = Path(__file__).parent.resolve() / 'parser-tests' / 'tests'
+print(PARSER_DATA_PATH)
+'''
+spec = importlib.util.spec_from_file_location("parser_tests", PARSER_DATA_PATH / 'data.py')
+module = importlib.util.module_from_spec(spec)
+spec.loader.exec_module(module)
+
+print(parser_tests)
+'''
+
+from pylinkirc.protocols.ircs2s_common import IRCCommonProtocol
+
+class MessageParserTest(unittest.TestCase):
+
+    def testMessageSplit(self):
+        with open(PARSER_DATA_PATH / 'msg-split.yaml') as f:
+            splittest_data = yaml.safe_load(f)
+
+        for testdata in splittest_data['tests']:
+            inp = testdata['input']
+            atoms = testdata['atoms']
+
+            with self.subTest():
+                expected = []
+                has_source = False
+                if 'source' in atoms:
+                    has_source = True
+                    expected.append(atoms['source'])
+
+                if 'verb' in atoms:
+                    expected.append(atoms['verb'])
+
+                if 'params' in atoms:
+                    expected.extend(atoms['params'])
+
+                if 'tags' in atoms:
+                    # HACK: in PyLink, message tags are processed in handle_events(), which is a dynamic
+                    # method that relies on command handlers being present. So we can't reasonably test
+                    # them here (plus handle_events() outputs params as a command-specific dict instead of)
+                    # lists)
+                    self.assertEqual(atoms['tags'], IRCCommonProtocol.parse_message_tags(inp.split(" ")))
+                    _, inp = inp.split(" ", 1)
+                if has_source:
+                    parts = IRCCommonProtocol.parse_prefixed_args(inp)
+                else:
+                    parts = IRCCommonProtocol.parse_args(inp)
+                self.assertEqual(expected, parts, "Parse test failed for string: %r" % inp)
+
+if __name__ == '__main__':
+    unittest.main()