test: 增加测试

tests/test_textproc.py

@@ -0,0 +1,35 @@
+"""Tests for heurams.services.textproc"""
+
+from heurams.services.textproc import domize, truncate, undomize
+
+
+class TestTruncate:
+    def test_short_string_unchanged(self):
+        assert truncate("ab") == "ab"
+
+    def test_three_char_unchanged(self):
+        assert truncate("abc") == "abc"
+
+    def test_longer_string_truncated(self):
+        assert truncate("abcd") == "abc>"
+
+    def test_empty_string(self):
+        assert truncate("") == ""
+
+
+class TestDomizeUndomize:
+    def test_domize_replaces_dot(self):
+        assert domize("a.b.c") == "a--DOT--b--DOT--c"
+
+    def test_domize_no_dot(self):
+        assert domize("abc") == "abc"
+
+    def test_undomize_restores_dot(self):
+        assert undomize("a--DOT--b") == "a.b"
+
+    def test_undomize_no_marker(self):
+        assert undomize("abc") == "abc"
+
+    def test_roundtrip(self):
+        original = "config.key.subkey"
+        assert undomize(domize(original)) == original