Rewrite literals test without YAML

Signed-off-by: John Pennycook <john.pennycook@intel.com>

Author: Pennycook

tests/literals/literals.yaml

@@ -1,12 +1,15 @@
-# Copyright (C) 2019 Intel Corporation
+# Copyright (C) 2019-2024 Intel Corporation
 # SPDX-License-Identifier: BSD-3-Clause
 
-import unittest
 import logging
-from codebasin import config, finder, preprocessor
+import os
+import unittest
+
+from codebasin import finder, preprocessor
 from codebasin.walkers.platform_mapper import PlatformMapper
 
-class TestExampleFile(unittest.TestCase):
+
+class TestLiterals(unittest.TestCase):
     """
     Simple test of C-style literal handling.
     e.g. 0x0ULL, 0b11
@@ -16,21 +19,57 @@ def setUp(self):
         self.rootdir = "./tests/literals/"
         logging.getLogger("codebasin").disabled = True
 
-        self.expected_setmap = {frozenset(['CPU', 'GPU']): 9}
+        self.expected_setmap = {frozenset(["CPU", "GPU"]): 9}
 
-    def test_yaml(self):
+    def test_literals(self):
         """literals/literals.yaml"""
-        codebase, configuration = config.load("./tests/literals/literals.yaml", self.rootdir)
+        codebase = {
+            "files": [
+                os.path.realpath(os.path.join(self.rootdir, "main.cpp")),
+            ],
+            "platforms": ["CPU", "GPU"],
+            "exclude_files": set(),
+            "exclude_patterns": [],
+            "rootdir": self.rootdir,
+        }
+        configuration = {
+            "CPU": [
+                {
+                    "file": codebase["files"][0],
+                    "defines": ["USE_CPU"],
+                    "include_paths": [],
+                    "include_files": [],
+                },
+            ],
+            "GPU": [
+                {
+                    "file": codebase["files"][0],
+                    "defines": ["USE_GPU"],
+                    "include_paths": [],
+                    "include_files": [],
+                },
+            ],
+        }
         state = finder.find(self.rootdir, codebase, configuration)
         mapper = PlatformMapper(codebase)
         setmap = mapper.walk(state)
-        self.assertDictEqual(setmap, self.expected_setmap, "Mismatch in setmap")
+        self.assertDictEqual(
+            setmap,
+            self.expected_setmap,
+            "Mismatch in setmap",
+        )
 
     def test_strings(self):
         expected_str = r'"L + 2-2 \"\\\" \\n\""'
         tokens = preprocessor.Lexer(expected_str).tokenize()
-        expected = preprocessor.StringConstant('Unknown', 'Unknown', False, r'L + 2-2 \"\\\" \\n\"')
+        expected = preprocessor.StringConstant(
+            "Unknown",
+            "Unknown",
+            False,
+            r"L + 2-2 \"\\\" \\n\"",
+        )
         self.assertEqual(tokens[0].token, expected.token)
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     unittest.main()