If the perform stanza still the way to add operable test systems in ASDF? It would be nice to update the manual if this is not the case.

For an ASDF test operation for a test system defined as:

(asdf:defsystem plato-test :depends-on (:plato :prove) :components ((:module "t" :components ((:test-file "plato")))) :description "Test system for plato" :defsystem-depends-on (:prove-asdf) :perform (test-op (op c) (uiop:symbol-call :prove-asdf 'run-test-system c) (asdf:clear-system c)))

I am getting the error:

OPERATION instances must only be created through MAKE-OPERATION. [Condition of type ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR]

Restarts: 0: [SKIP-TEST-FILE] Skip this test file. 1: [SKIP-ALL-TEST-FILES] Give up all test files. 2: [RETRY] Retry #<ASDF/LISP-ACTION:TEST-OP > on #<ASDF/SYSTEM:SYSTEM "plato-test">. 3: [ACCEPT] Continue, treating #<ASDF/LISP-ACTION:TEST-OP > on #<ASDF/SYSTEM:SYSTEM "plato-test"> as having been successful. 4: [RETRY] Retry ASDF operation. 5: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the configuration. --more--

Backtrace: 0: (#<FUNCTION {2EA005A1}> #<ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR {53DCB225}> #<FUNCTION {2EA005A1}>) 1: (APPLY #<FUNCTION {2EA005A1}> (#<ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR {53DCB225}> #<FUNCTION {2EA005A1}>)) 2: (SYSTEM::RUN-HOOK SYSTEM::*INVOKE-DEBUGGER-HOOK* #<ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR {53DCB225}> #<FUNCTION {2EA005A1}>) 3: (INVOKE-DEBUGGER #<ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR {53DCB225}>) 4: (ERROR ASDF/FIND-SYSTEM:FORMATTED-SYSTEM-DEFINITION-ERROR :FORMAT-CONTROL "OPERATION instances must only be created through MAKE-OPERATION." :FORMAT-ARGUMENTS NIL) 5: (ASDF/FIND-SYSTEM:SYSDEF-ERROR "OPERATION instances must only be created through MAKE-OPERATION.") 6: (ASDF/OPERATION::CHECK-OPERATION-CONSTRUCTOR) 7: (#<FUNCTION {4EB834F7}> #<ASDF/LISP-ACTION:LOAD-SOURCE-OP {1F9CF5CF}>) 8: (APPLY #<FUNCTION {4EB834F7}> (#<ASDF/LISP-ACTION:LOAD-SOURCE-OP {1F9CF5CF}>)) 9: (#<STANDARD-GENERIC-FUNCTION {4F6E7A42}> #<ASDF/LISP-ACTION:LOAD-SOURCE-OP {1F9CF5CF}>) 10: (APPLY #<STANDARD-GENERIC-FUNCTION {4F6E7A42}> #<ASDF/LISP-ACTION:LOAD-SOURCE-OP {1F9CF5CF}> NIL) 11: (#<FUNCTION {65C1AB91}> #<STANDARD-CLASS ASDF/LISP-ACTION:LOAD-SOURCE-OP {714368CD}>) 12: (APPLY #<FUNCTION {65C1AB91}> (#<STANDARD-CLASS ASDF/LISP-ACTION:LOAD-SOURCE-OP {714368CD}>)) 13: (#<STANDARD-GENERIC-FUNCTION {209C8A44}> #<STANDARD-CLASS ASDF/LISP-ACTION:LOAD-SOURCE-OP {714368CD}>) 14: (APPLY #<STANDARD-GENERIC-FUNCTION {209C8A44}> #<STANDARD-CLASS ASDF/LISP-ACTION:LOAD-SOURCE-OP {714368CD}> NIL) 15: (#<FUNCTION {6AD13452}> ASDF/LISP-ACTION:LOAD-SOURCE-OP) 16: (APPLY #<FUNCTION {6AD13452}> (ASDF/LISP-ACTION:LOAD-SOURCE-OP)) 17: (MAKE-INSTANCE ASDF/LISP-ACTION:LOAD-SOURCE-OP) 18: (PROVE.ASDF:RUN-TEST-SYSTEM #<ASDF/SYSTEM:SYSTEM {175A9F63}>) 19: (APPLY PROVE.ASDF:RUN-TEST-SYSTEM (#<ASDF/SYSTEM:SYSTEM {175A9F63}>))

This is with ABCL trunk using ASDF:ASDF-VERSION "3.1.7.40".