Add and start testing of new central funcparser

evennia/utils/tests/test_funcparser.py

@@ -0,0 +1,61 @@
+"""
+
+Test the funcparser module.
+
+"""
+
+from parameterized import parameterized
+from django.test import TestCase
+
+from evennia.utils import funcparser
+
+
+def _test_callable(*args, **kwargs):
+    argstr = ", ".join(args)
+    kwargstr = ""
+    if kwargs:
+        kwargstr = (", " if args else "") + (
+            ", ".join(f"{key}={val}" for key, val in kwargs.items()))
+    return f"_test({argstr}{kwargstr})"
+
+
+_test_callables = {
+    "foo": _test_callable,
+    "bar": _test_callable,
+    "with spaces": _test_callable,
+}
+
+class TestFuncParser(TestCase):
+    """
+    Test the FuncParser class
+
+    """
+
+    def setUp(self):
+
+        self.parser = funcparser.FuncParser(
+            _test_callables
+        )
+
+    @parameterized.expand([
+        ("This is a normal string", "This is a normal string"),
+        ("This is $foo()", "This is _test()"),
+        ("This is $bar() etc.", "This is _test() etc."),
+        ("This is $with spaces() etc.", "This is _test() etc."),
+        ("Two $foo(), $bar() and $foo", "Two _test(), _test() and $foo"),
+        ("Test args1 $foo(a,b,c)", "Test args1 _test(a, b, c)"),
+        ("Test args2 $bar(foo, bar, too)", "Test args2 _test(foo,  bar,  too)"),
+        ("Test kwarg1 $bar(foo=1, bar='foo', too=ere)",
+         "Test kwarg1 _test(foo=1,  bar=foo,  too=ere)"),
+        ("Test kwarg2 $bar(foo,bar,too=ere)",
+         "Test kwarg2 _test(foo, bar, too=ere)"),
+        ("Test nest1 $foo($bar(foo, bar, too=ere))",
+         "Test nest1 _test(_test(foo, bar, too=ere))"),
+    ])
+    def test_parse(self, string, expected):
+        """
+        Test parsing of string.
+
+        """
+        ret = self.parser.parse(string, raise_errors=True)
+        self.assertEqual(expected, ret, "Parsing mismatch")