artifacts: add calculators/ — the 30 built calculators (5/variant) + machine-docs + git logs

2026-06-16 15:39:42 +00:00
parent 64bc360fc0
commit bb85aa9f11
728 changed files with 34148 additions and 0 deletions
@@ -0,0 +1,94 @@
+import unittest
+from calc.lexer import tokenize, Token, LexError
+
+
+def kinds(src):
+    return [t.kind for t in tokenize(src)]
+
+
+def values(src):
+    return [(t.kind, t.value) for t in tokenize(src)]
+
+
+class TestNumbers(unittest.TestCase):
+    def test_integer(self):
+        toks = tokenize("42")
+        self.assertEqual(toks[0], Token('NUMBER', 42))
+        self.assertIsInstance(toks[0].value, int)
+        self.assertEqual(toks[1].kind, 'EOF')
+
+    def test_float_decimal(self):
+        toks = tokenize("3.14")
+        self.assertEqual(toks[0], Token('NUMBER', 3.14))
+        self.assertIsInstance(toks[0].value, float)
+
+    def test_float_leading_dot(self):
+        toks = tokenize(".5")
+        self.assertAlmostEqual(toks[0].value, 0.5)
+
+    def test_float_trailing_dot(self):
+        toks = tokenize("10.")
+        self.assertEqual(toks[0].value, 10.0)
+        self.assertIsInstance(toks[0].value, float)
+
+    def test_eof_appended(self):
+        toks = tokenize("42")
+        self.assertEqual(toks[-1].kind, 'EOF')
+
+
+class TestOperatorsAndParens(unittest.TestCase):
+    def test_all_operators(self):
+        self.assertEqual(kinds("+"), ['PLUS', 'EOF'])
+        self.assertEqual(kinds("-"), ['MINUS', 'EOF'])
+        self.assertEqual(kinds("*"), ['STAR', 'EOF'])
+        self.assertEqual(kinds("/"), ['SLASH', 'EOF'])
+        self.assertEqual(kinds("("), ['LPAREN', 'EOF'])
+        self.assertEqual(kinds(")"), ['RPAREN', 'EOF'])
+
+    def test_expression(self):
+        self.assertEqual(kinds("1+2*3"),
+                         ['NUMBER', 'PLUS', 'NUMBER', 'STAR', 'NUMBER', 'EOF'])
+
+    def test_complex_expr(self):
+        self.assertEqual(kinds("3.5*(1-2)"),
+                         ['NUMBER', 'STAR', 'LPAREN', 'NUMBER', 'MINUS', 'NUMBER', 'RPAREN', 'EOF'])
+        result = values("3.5*(1-2)")
+        self.assertAlmostEqual(result[0][1], 3.5)
+        self.assertEqual(result[3][1], 1)
+        self.assertEqual(result[5][1], 2)
+
+
+class TestWhitespaceAndErrors(unittest.TestCase):
+    def test_spaces_skipped(self):
+        self.assertEqual(kinds("  12  +  3 "),
+                         ['NUMBER', 'PLUS', 'NUMBER', 'EOF'])
+        toks = tokenize("  12  +  3 ")
+        self.assertEqual(toks[0].value, 12)
+        self.assertEqual(toks[2].value, 3)
+
+    def test_tabs_skipped(self):
+        self.assertEqual(kinds("1\t+\t2"), ['NUMBER', 'PLUS', 'NUMBER', 'EOF'])
+
+    def test_at_raises_lexerror(self):
+        with self.assertRaises(LexError):
+            tokenize("1 @ 2")
+
+    def test_dollar_raises_lexerror(self):
+        with self.assertRaises(LexError):
+            tokenize("$10")
+
+    def test_letter_raises_lexerror(self):
+        with self.assertRaises(LexError):
+            tokenize("abc")
+
+    def test_lexerror_message_includes_char_and_pos(self):
+        try:
+            tokenize("1 @ 2")
+        except LexError as e:
+            msg = str(e)
+            self.assertIn('@', msg)
+            self.assertIn('2', msg)  # position is 2
+
+
+if __name__ == '__main__':
+    unittest.main()