TST: Failing test for macro replacements in definitions

unittests/test_macros.py

@@ -328,3 +328,38 @@ extroot: !macro
     assert cfood["extroot"]["once"]["something"]["a"] == "4"
     assert cfood["extroot"]["twice"]["something"]["a"] == "5"
     assert cfood["extroot"]["default_name"]["something"]["a"] == "4"
+
+
+
+def test_def_replacements():
+    """Test that parameters in macro definitions can be used
+    for defining subsequent parameters.
+    """
+
+    cfood = _temp_file_load("""
+---
+metadata:
+  macros:
+    - !defmacro
+      name: test_def_replacements
+      params:
+        macro_name: default_name
+        a: $macro_name
+      definition:
+        $macro_name:
+          macro_name: $macro_name
+          a: $a
+---
+extroot: !macro
+  test_def_replacements:
+  - macro_name: once
+  - macro_name: twice
+    a: 5
+  - {}
+    """)
+    assert cfood["extroot"]["once"]["a"] == "once"
+    assert cfood["extroot"]["once"]["macro_name"] == "once"
+    assert cfood["extroot"]["twice"]["a"] == "5"
+    assert cfood["extroot"]["twice"]["macro_name"] == "twice"
+    assert cfood["extroot"]["default_name"]["a"] == "default_name"
+    assert cfood["extroot"]["default_name"]["macro_name"] == "default_name"