test-require.script 9.08 KB
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;; -*- Lisp -*-

;;; This script verifies the invariants of both
;;; *function* REQUIRE-SYSTEM and *class* REQUIRE-SYSTEM.
;;; Based on work by Daniel Kochmański

(import 'asdf::registered-system)


(DBG "---- Tests related to the behavior of preloaded systems")

(DBG "- Even dummy `preloaded-system' is listed in `already-loaded-systems'")
(register-preloaded-system "test-preloaded-dummy" :version "1.0")
(assert (registered-system "test-preloaded-dummy"))
(assert-equal (component-version (registered-system "test-preloaded-dummy")) "1.0")

(DBG "- Loaded `preloaded-system' is listed in `already-loaded-systems'")
(assert (component-loaded-p (registered-system "test-preloaded-dummy")))
(assert (member "test-preloaded-dummy" (already-loaded-systems) :test #'equal))

(DBG "- Dummy `preloaded-system' doesn't get overwritten by `require-system'")
(require-system "test-preloaded-dummy")
(assert-equal (component-version (registered-system "test-preloaded-dummy")) "1.0")

(DBG "- Dummy `preloaded-system' doesn't get overwritten by `load-system' because there is no alternative in the filesystem")
(let ((system (registered-system "test-preloaded-dummy")))
  (load-test-system "test-preloaded-dummy")
  (assert-equal (component-version (registered-system "test-preloaded-dummy")) "1.0"))

(DBG "- Function `clear-system' doesn't remove `preloaded-system'")
(assert (not (clear-system "test-preloaded-dummy")))
(assert-equal (component-version (registered-system "test-preloaded-dummy")) "1.0")

(DBG "-`preloaded-system' overridden by defsystem")
(def-test-system "test-preloaded-dummy" :version "2.0")
(assert-equal (component-version (registered-system "test-preloaded-dummy")) "2.0")

(DBG "- Function `clear-system' restores `preloaded-system'")
(assert (not (clear-system "test-preloaded-dummy")))
(assert-equal (component-version (registered-system "test-preloaded-dummy")) "1.0")


(DBG "-`preloaded-system' overridden by find-system")
(assert (not (registered-system "require-system/preloaded")))
(register-preloaded-system "require-system/preloaded" :version "1.0")
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")
(assert (component-loaded-p (registered-system "require-system/preloaded")))
(find-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "2.0")

(DBG "-`find-system' doesn't make the new system loaded")
(assert (not (component-loaded-p (registered-system "require-system/preloaded"))))

(DBG "-`load-system' does")
(load-system "require-system/preloaded")
(assert (component-loaded-p (registered-system "require-system/preloaded")))

(DBG "- Function `clear-system' restores registered, preloaded `preloaded-system'")
(assert (not (clear-system "require-system/preloaded")))
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")
(assert (component-loaded-p (registered-system "require-system/preloaded")))
(assert (member "require-system/preloaded" (already-loaded-systems) :test #'equal))

(DBG "- Function `require-system' doesn't overwrite `preloaded-system'")
(require-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")

(DBG "- Function `require-system' doesn't trigger a side-effect reloading system")
;;; `require-system' called `load-system' regardless if the system was
;;; loaded or not. While the `:force' and `:force-not' flags were
;;; handled correctly, `load-system' had a nasty side-effect which
;;; were overwriting our system loaded in-memory, so the second
;;; `require-system' loaded the new `asd'-defined system.
(require-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")

(DBG "- System `preloaded-system' won't be reloaded on `require-system' when cache is empty")
(clear-cache)
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")
(require-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "1.0")

(DBG "- Function `load-system' overwrites `preloaded-system'")
(load-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "2.0")

(DBG "- Update the preloaded system version after loading from asd")
(register-preloaded-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "2.0")
(assert (not (clear-system "require-system/preloaded")))
(assert-equal (component-version (registered-system "require-system/preloaded")) "2.0")

;; Not implemented:
#|
(deregister-preloaded-system "require-system/preloaded")
(assert-equal (component-version (registered-system "require-system/preloaded")) "2.0")
(assert (clear-system "require-system/preloaded"))
(assert (not (registered-system "require-system/preloaded")))
|#

(DBG "---- Tests related to the behavior of immutable systems")

(DBG "- Test function `register-immutable-system'")
;; Note: it's not immutable *yet*, but loaded from file.
(assert-equal (component-version (registered-system "require-system/immutable")) "2.0")
(clear-system "require-system/immutable")
(def-test-system "require-system/immutable" :version "1.0"
                 :depends-on ("require-system/not-loaded")
                 :components ((:file "file1")))
(assert (not (component-loaded-p "require-system/immutable")))
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")
(let ((system (registered-system "require-system/immutable")))
  (register-immutable-system "require-system/immutable")
  (assert (eq system (registered-system "require-system/immutable"))))
(assert (eq 'system (type-of (registered-system "require-system/immutable"))))
(assert-equal 1 (length (component-children (registered-system "require-system/immutable"))))
(assert (not (component-loaded-p "require-system/immutable"))) ;; *not* marked loaded
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")

(DBG "- Function `require-system' doesn't overwrite `immutable-system'")
(require-system "require-system/immutable")
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")
(assert (not (component-loaded-p "require-system/immutable"))) ;; *not* marked loaded

(DBG "- Function `load-system' doesn't overwrite `immutable-system'")
(load-system "require-system/immutable")
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")
(assert (not (component-loaded-p "require-system/immutable"))) ;; *not* marked loaded

(DBG "- Function `load-system' doesn't load an immutable system's dependencies")
(assert (not (component-loaded-p "require-system/not-loaded"))) ;; *not* marked loaded

(DBG "- Function `clear-system' leaves `immutable-system' loaded, but clears build information")
(assert-equal 1 (length (component-children (registered-system "require-system/immutable"))))
(assert (not (component-loaded-p "require-system/immutable"))) ;; still not marked loaded
(clear-system "require-system/immutable")
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")
(assert-equal 0 (length (component-children (registered-system "require-system/immutable"))))
(assert (component-loaded-p "require-system/immutable")) ;; *YES* marked loaded!

(DBG "- System `immutable-system' won't be reloaded when cache is empty")
(clear-cache)
(load-system "require-system/immutable")
(assert-equal (component-version (registered-system "require-system/immutable")) "1.0")



(DBG "---- Tests related to the behavior of ordinary systems")

(DBG "- Require-system doesn't replace already loaded system")
(def-test-system "require-system/ordinary" :version "1.0")
(asdf::mark-component-preloaded "require-system/ordinary")
(assert (component-loaded-p "require-system/ordinary"))
(require-system "require-system/ordinary")
(assert-equal (component-version (registered-system "require-system/ordinary")) "1.0")

(DBG "- Load-system loads system from the disk")
(clear-cache)
(load-system "require-system/ordinary")
(assert-equal (component-version (registered-system "require-system/ordinary")) "2.0")


;;; We can't actually test portably loading an implementation-dependent module,
;;; because we don't know what modules does implementations ship, so we'll only
;;; test the feature on implementations that support hooking ASDF into CL:REQUIRE
;;; Which is most of the interesting ones, anyway.

(defparameter *mod*
  (or
   #+abcl :abcl-contrib
   #+allegro :yacc
   #+clisp "zlib" ;; Has to be lower case!
   #+(or clozure cmucl) :defsystem
   #+ecl :ecl-curl
   #+lispworks "comm"
   #+mkcl :walker
   #+sbcl :sb-md5
   #+scl :http-library))

(unless *mod*
  (leave-test "This implementation doesn't provide a known module" 0))

(defun has-module-p (x)
  ;; note that the spec is case-sensitive, but we'll cast a wider net.
  (and (member x *modules* :test 'string-equal) t))

(assert (not (find-system *mod* nil)))
(assert (not (has-module-p *mod*)))

(eval `(def-test-system :require-test :depends-on ((:require ,*mod*))))

(load-system :require-test)
(assert (has-module-p *mod*))