Megatest

	  ;; (debug:print 0 "res=" res)
	  (cond
	   ((string? res) res) ;;; FIX THE ROOT CAUSE HERE ....
	   ((null? res)   #f)
	   ((string? (cdr res)) (cdr res))  ;; it is a pair
	   ((string? (cadr res))(cadr res)) ;; it is a list
	   (else cadr res))))))

;; return items given config
;;
(define (tests:get-items tconfig)
  (let ((items      (hash-table-ref/default tconfig "items" #f)) ;; items 4
	(itemstable (hash-table-ref/default tconfig "itemstable" #f))) 
    ;; if either items or items table is a proc return it so test running
    ;; process can know to call items:get-items-from-config
    ;; if either is a list and none is a proc go ahead and call get-items
    ;; otherwise return #f - this is not an iterated test
    (cond
     ((procedure? items)      
      (debug:print-info 4 "items is a procedure, will calc later")
      items)            ;; calc later
     ((procedure? itemstable)
      (debug:print-info 4 "itemstable is a procedure, will calc later")
      itemstable)       ;; calc later
     ((filter (lambda (x)
		(let ((val (car x)))
		  (if (procedure? val) val #f)))
	      (append (if (list? items) items '())
		      (if (list? itemstable) itemstable '())))
      'have-procedure)
     ((or (list? items)(list? itemstable)) ;; calc now
      (debug:print-info 4 "items and itemstable are lists, calc now\n"
			"    items: " items " itemstable: " itemstable)
      (items:get-items-from-config tconfig))
     (else #f))))                           ;; not iterated


;; returns waitons waitors tconfigdat
;;
(define (tests:get-waitons test-name all-tests-registry)
   (let* ((config  (tests:get-testconfig test-name all-tests-registry 'return-procs)))
     (let ((instr (if config 
		      (config-lookup config "requirements" "waiton")
		      (begin ;; No config means this is a non-existant test
			(debug:print 0 "ERROR: non-existent required test \"" test-name "\"")
			(exit 1))))
	   (instr2 (if config
		       (config-lookup config "requirements" "waitor")
		       "")))
       (debug:print-info 8 "waitons string is " instr ", waitors string is " instr2)
       (let ((newwaitons
	      (string-split (cond
			     ((procedure? instr) ;; here 
			      (let ((res (instr)))
				(debug:print-info 8 "waiton procedure results in string " res " for test " test-name)
				res))
			     ((string? instr)     instr)
			     (else 
			      ;; NOTE: This is actually the case of *no* waitons! ;; (debug:print 0 "ERROR: something went wrong in processing waitons for test " test-name)
			      ""))))

				(filter (lambda (x)
					  (eq? (substring-index (conc waiting-test "/") x) 0)) ;; is this patt pertinent to the waiting test
					patts))))
    (string-intersperse (delete-duplicates (append patts (if (null? patts-waiton)
							     (list (conc waiton-test "/%")) ;; really shouldn't add the waiton forcefully like this
							     patts-waiton)))
			",")))


  
;; tests:glob-like-match 
(define (tests:glob-like-match patt str) 
  (let ((like (substring-index "%" patt)))
    (let* ((notpatt  (equal? (substring-index "~" patt) 0))
	   (newpatt  (if notpatt (substring patt 1) patt))
	   (finpatt  (if like

	     (getenv "MT_TARGET")    "/"
	     (getenv "MT_RUNNAME")   "/"
	     (getenv "MT_TEST_NAME") "/"
	     (if (or (getenv "MT_ITEMPATH")
		     (not (string=? "" (getenv "MT_ITEMPATH"))))
		 (conc "/" (getenv "MT_ITEMPATH"))))))

;; if .testconfig exists in test directory read and return it
;; else if have cached copy in *testconfigs* return it IFF there is a section "have fulldata"
;; else read the testconfig file
;;   if have path to test directory save the config as .testconfig and return it
;;
(define (tests:get-testconfig test-name test-registry system-allowed #!key (force-create #f))







  (let* ((cache-path   (tests:get-test-path-from-environment))
	 (cache-file   (and cache-path (conc cache-path "/.testconfig")))
	 (cache-exists (and cache-file
			    (not force-create)  ;; if force-create then pretend there is no cache to read
			    (file-exists? cache-file)))


	 (cached-dat   (if (and (not force-create)
				cache-exists)
			   (handle-exceptions
			    exn



			    #f ;; any issues, just give up with the cached version and re-read
			    (configf:read-alist cache-file))
			   #f)))
    (if cached-dat
	cached-dat
	(let ((dat (hash-table-ref/default *testconfigs* test-name #f)))
	  (if (and  dat ;; have a locally cached version
		    (hash-table-ref/default dat "have fulldata" #f)) ;; marked as good data?
	      dat
	      ;; no cached data available
	      (let* ((treg         (or test-registry
				       (tests:get-all)))
		     (test-path    (or (hash-table-ref/default treg test-name #f)
				       (conc *toppath* "/tests/" test-name)))
		     (test-configf (conc test-path "/testconfig"))
		     (testexists   (and (file-exists? test-configf)(file-read-access? test-configf)))
		     (tcfg         (if testexists
				       (read-config test-configf #f system-allowed
						    environ-patt: (if system-allowed
								      "pre-launch-env-vars"
								      #f))
				       #f)))
		(if cache-file (hash-table-set! tcfg "have fulldata" #t)) ;; mark this as fully read data
		(if tcfg (hash-table-set! *testconfigs* test-name tcfg))
		(if (and testexists
			 cache-file

			 (file-write-access? cache-path))
		    (let ((tpath (conc cache-path "/.testconfig")))
		      (debug:print-info 1 "Caching testconfig for " test-name " in " tpath)
		      (configf:write-alist tcfg tpath)))
		tcfg))))))
  
;; sort tests by priority and waiton
;; Move test specific stuff to a test unit FIXME one of these days
(define (tests:sort-by-priority-and-waiton test-records)
  (let* ((mungepriority (lambda (priority)
			  (if priority
			      (let ((tmp (any->number priority)))

(define (tests:easy-dot test-records outtype)
  (let-values (((fd temp-path) (file-mkstemp (conc "/tmp/" (current-user-name) ".XXXXXX"))))
    (let ((all-testnames (hash-table-keys test-records))
	  (temp-port     (open-output-file* fd)))
      ;; (format temp-port "This file is ~A.~%" temp-path)
      (format temp-port "digraph tests {\n")
      (format temp-port "  size=4,8\n")
      ;; (format temp-port "   splines=none\n")
      (for-each
       (lambda (testname)
	 (let* ((testrec (hash-table-ref test-records testname))
		(waitons (or (tests:testqueue-get-waitons testrec) '())))
	   (for-each
	    (lambda (waiton)
	      (format temp-port (conc "   " waiton " -> " testname " [splines=ortho]\n")))
	    waitons)))
       all-testnames)
      (format temp-port "}\n")
      (close-output-port temp-port)
      (with-input-from-pipe
       (conc "env -i PATH=$PATH dot -T" outtype " < " temp-path)
       (lambda ()
	 (let ((res (read-lines)))
	   ;; (delete-file temp-path)
	   res))))))

(define (tests:write-dot-file test-records fname sizex sizey)
  (if (file-write-access? (pathname-directory fname))
      (with-output-to-file fname
	(lambda ()
	  (map print (tests:tests->dot test-records sizex sizey))))))

(define (tests:tests->dot test-records sizex sizey)
  (let ((all-testnames (hash-table-keys test-records)))
    (if (null? all-testnames)
	'()
	(let loop ((hed (car all-testnames))
		   (tal (cdr all-testnames))
		   (res (list "digraph tests {"
			      (conc " size=\"" (or sizex 11) "," (or sizey 11) "\";")
			      " ratio=0.95;"
			      )))
	  (let* ((testrec (hash-table-ref test-records hed))
		 (waitons (or (tests:testqueue-get-waitons testrec) '()))
		 (newres  (append res
				  (if (null? waitons)
				      (list (conc "   \"" hed "\" [shape=box];"))
				      (map (lambda (waiton)
					     (conc "   \"" waiton "\" -> \"" hed "\" [shape=box];"))
					   waitons)
				      ))))
	    (if (null? tal)
		(append newres (list "}"))
		(loop (car tal)(cdr tal) newres)
		))))))

		   (read-lines)))))
      (close-input-port inp)
      res)))

;; read data from tmp file or create if not exists
;; if exists regen in background
;;
(define (tests:lazy-dot testrecords  outtype sizex sizey)
  (let ((dfile (conc "/tmp/." (current-user-name) "-" (server:mk-signature) ".dot"))
	(fname (conc "/tmp/." (current-user-name) "-" (server:mk-signature) ".dotdat")))
    (tests:write-dot-file testrecords dfile sizex sizey)
    (if (file-exists? fname)
	(let ((res (with-input-from-file fname
		     (lambda ()
		       (read-lines)))))
	  (system (conc "env -i PATH=$PATH dot -T " outtype " < " dfile " > " fname "&"))
	  res)
	(begin