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--- qa:preventing_regressions [2025/07/09 09:48] – [General] sandbergja
+++ qa:preventing_regressions [2025/07/30 09:35] (current) – [IDL problems] sandbergja
@@ Line 46: / Line 46: @@
   * [[https://github.com/evergreen-library-system/Evergreen/commit/0458ae01ef6a84734efb7232bc1cdaf479dd3be8|Example of a Perl live test testing a bugfix in the C code]]
-===== IDL problems =====
+===== IDL and other XML problems =====
-To guard against regressions in the IDL, you could write a perl unit test that parses the fm_IDL.xml file and makes assertions against it.  I don't know of any examples of this type of test (yet!) at the time of writing.
+To ensure that the IDL (or other XML file) is in a consistent format, you can adjust the XML schema (*.xsd) files.  For example, [[https://git.evergreen-ils.org/?p=working/Evergreen.git;a=commitdiff;h=e71d0ce1360c4a28d4b23c440e227548228c70fc|this commit adjusts the schema]] to specify that classes in the IDL may have an attribute named "cardinality", but that it must have one of three values: low, high, or unbounded.
+To guard against more complex regressions in the IDL, you could write a perl unit test that parses the fm_IDL.xml file and makes assertions against it.  I don't know of any examples of this type of test (yet!) at the time of writing.
 ===== TT2 problems =====