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-rw-r--r--ccwl/ccwl.scm3
-rw-r--r--tests/ccwl.scm7
2 files changed, 9 insertions, 1 deletions
diff --git a/ccwl/ccwl.scm b/ccwl/ccwl.scm
index a398947..cdae1c5 100644
--- a/ccwl/ccwl.scm
+++ b/ccwl/ccwl.scm
@@ -617,7 +617,8 @@ represented by <step> objects."
                                   (raise-exception
                                    (condition (ccwl-violation new)
                                               (formatted-message "Expected keyword (for example: #:foo, #:bar)"))))
-                                (unless (symbol? (syntax->datum old))
+                                (unless (memq (syntax->datum old)
+                                              (map key-name input-keys))
                                   (raise-exception
                                    (condition (ccwl-violation old)
                                               (formatted-message "Unknown key ~a. Known keys at this step are ~a."
diff --git a/tests/ccwl.scm b/tests/ccwl.scm
index 9e09a16..e876912 100644
--- a/tests/ccwl.scm
+++ b/tests/ccwl.scm
@@ -301,4 +301,11 @@
    '(workflow ((message #:type string))
       (rename (foo) #:foo message))))
 
+(test-condition "rename with unknown key must raise a &ccwl-violation condition"
+  (ccwl-violation-with-message?
+   "Unknown key ~a. Known keys at this step are ~a.")
+  (macroexpand
+   '(workflow ((foo #:type string))
+      (rename #:bar foobar))))
+
 (test-end "ccwl")