From 7dbe776cb56803d9c66a847f5ac3613366754838 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Mon, 9 Oct 2023 14:51:56 +0100
Subject: ccwl: Error out if steps with expression commands have no identifier.

* ccwl/ccwl.scm (collect-steps): Error out if steps with expressions
that evaluate to commands have no identifier.
* tests/ccwl.scm ("step with expression that evaluates to a command
but without a step identifier must raise a &ccwl-violation
condition"): New test.
---
 tests/ccwl.scm | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'tests/ccwl.scm')

diff --git a/tests/ccwl.scm b/tests/ccwl.scm
index 2207200..4f10450 100644
--- a/tests/ccwl.scm
+++ b/tests/ccwl.scm
@@ -145,4 +145,13 @@
      (print)
      #:message message)))
 
+(test-assert "step with expression that evaluates to a command but without a step identifier must raise a &ccwl-violation condition"
+  (guard (exception
+          (else (ccwl-violation? exception)))
+    (begin (macroexpand
+            '(workflow ((message #:type string))
+               ((and #t print)
+                #:message message)))
+           #f)))
+
 (test-end "ccwl")
-- 
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