test: 增加测试

tests/test_evalizor.py

@@ -0,0 +1,47 @@
+"""Tests for heurams.kernel.auxiliary.evalizor.Evalizer"""
+
+from heurams.kernel.auxiliary.evalizor import Evalizer
+
+
+class TestEvalizer:
+    def test_noop_on_plain_string(self):
+        e = Evalizer({"x": 42})
+        assert e("hello") == "hello"
+
+    def test_eval_expression(self):
+        e = Evalizer({"x": 42})
+        assert e("eval: x") == 42
+
+    def test_eval_arithmetic(self):
+        e = Evalizer({"a": 10, "b": 20})
+        assert e("eval: a + b") == 30
+
+    def test_traverses_dict(self):
+        e = Evalizer({"val": 99})
+        data = {"key_a": "plain", "key_b": "eval: val + 1"}
+        result = e(data)
+        assert result == {"key_a": "plain", "key_b": 100}
+
+    def test_traverses_list(self):
+        e = Evalizer({"val": 5})
+        data = ["eval: val", "plain", "eval: val * 2"]
+        result = e(data)
+        assert result == [5, "plain", 10]
+
+    def test_traverses_nested(self):
+        e = Evalizer({"val": 3})
+        data = {"outer": {"inner": "eval: val ** 2"}}
+        result = e(data)
+        assert result == {"outer": {"inner": 9}}
+
+    def test_traverses_tuple(self):
+        e = Evalizer({"val": 7})
+        data = ("eval: val", "other")
+        result = e(data)
+        assert result == (7, "other")
+
+    def test_non_string_passthrough(self):
+        e = Evalizer({})
+        assert e(42) == 42
+        assert e(None) is None
+        assert e([1, 2, 3]) == [1, 2, 3]