Megatest

;;======================================================================
;; New methodology. These routines will replace the above in time. For
;; now the code is duplicated. This stuff is initially used in the monitor
;; based code.
;;======================================================================

;; register a test run with the db
(define (runs:register-run db keys keyvallst runname state status user)
  (debug:print 3 "runs:register-run, keys: " keys " keyvallst: " keyvallst " runname: " runname " state: " state " status: " status " user: " user)
  (let* ((keystr    (keys->keystr keys))
	 (comma     (if (> (length keys) 0) "," ""))
	 (andstr    (if (> (length keys) 0) " AND " ""))
	 (valslots  (keys->valslots keys)) ;; ?,?,? ...
	 (keyvals   (map cadr keyvallst))
	 (allvals   (append (list runname state status user) keyvals))
	 (qryvals   (append (list runname) keyvals))
	 (key=?str  (string-intersperse (map (lambda (k)(conc (key:get-fieldname k) "=?")) keys) " AND ")))
    (debug:print 3 "keys: " keys " allvals: " allvals " keyvals: " keyvals)
    (debug:print 2 "NOTE: using target " (string-intersperse keyvals "/") " for this run")
    (if (and runname (null? (filter (lambda (x)(not x)) keyvals))) ;; there must be a better way to "apply and"
	(let ((res #f))
	  (apply sqlite3:execute db (conc "INSERT OR IGNORE INTO runs (runname,state,status,owner,event_time" comma keystr ") VALUES (?,?,?,?,strftime('%s','now')" comma valslots ");")
		 allvals)
	  (apply sqlite3:for-each-row 
	   (lambda (id)
	     (set! res id))
	   db
	   (let ((qry (conc "SELECT id FROM runs WHERE (runname=? " andstr key=?str ");")))
	     ;(debug:print 4 "qry: " qry) 
	     qry)
	   qryvals)
	  (sqlite3:execute db "UPDATE runs SET state=?,status=? WHERE id=?;" state status res)
	  res) 
	(begin
	  (debug:print 0 "ERROR: Called without all necessary keys")
	  #f))))

;; This is a duplicate of run-tests (which has been deprecated). Use this one instead of run tests.
;; keyvals.
;;
;;  test-names: Comma separated patterns same as test-patts but used in selection 
;;              of tests to run. The item portions are not respected.
;;              FIXME: error out if /patt specified
;;            
(define (runs:run-tests target runname test-names test-patts user flags)
  (common:clear-caches) ;; clear all caches
  (let* ((db          #f)
	 (keys        (cdb:remote-run db:get-keys #f))
	 (keyvallst   (keys:target->keyval keys target))
	 (run-id      (cdb:remote-run runs:register-run #f keys keyvallst runname "new" "n/a" user))  ;;  test-name)))
	 (keyvals     (if run-id (cdb:remote-run db:get-key-vals #f run-id) #f))
	 (deferred    '()) ;; delay running these since they have a waiton clause
	 ;; keepgoing is the defacto modality now, will add hit-n-run a bit later
	 ;; (keepgoing   (hash-table-ref/default flags "-keepgoing" #f))
	 (runconfigf   (conc  *toppath* "/runconfigs.config"))
	 (required-tests '())
	 (test-records (make-hash-table)))

	  ;; A failed for some reason then on re-run using -keepgoing the run can never complete.
	  (cdb:delete-tests-in-state *runremote* run-id "NOT_STARTED")
	  (cdb:remote-run db:set-tests-state-status #f run-id test-names #f "FAIL" "NOT_STARTED" "FAIL")))

    ;; from here on out the db will be opened and closed on every call runs:run-tests-queue
    ;; (sqlite3:finalize! db) 
    ;; now add non-directly referenced dependencies (i.e. waiton)
    (if (not (null? test-names))
	(let loop ((hed (car test-names))
		   (tal (cdr test-names)))         ;; 'return-procs tells the config reader to prep running system but return a proc
	  (debug:print-info 4 "hed=" hed " at top of loop")
	  (let* ((config  (tests:get-testconfig hed 'return-procs))
		 (waitons (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 \"" hed "\"")
					     (if db (sqlite3:finalize! db))
					     (exit 1)))))
			    (debug:print-info 8 "waitons string is " instr)
			    (string-split (cond
					   ((procedure? instr)
					    (let ((res (instr)))
					      (debug:print-info 8 "waiton procedure results in string " res " for test " hed)
					      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 " hed)
					    ""))))))
	    (debug:print-info 8 "waitons: " waitons)
	    ;; check for hed in waitons => this would be circular, remove it and issue an
	    ;; error
	    (if (member hed waitons)
		(begin
		  (debug:print 0 "ERROR: test " hed " has listed itself as a waiton, please correct this!")
		  (set! waitons (filter (lambda (x)(not (equal? x hed))) waitons))))
	    
	    ;; (items   (items:get-items-from-config config)))
	    (if (not (hash-table-ref/default test-records hed #f))

		(hash-table-set! test-records
				 hed (vector hed     ;; 0
					     config  ;; 1
					     waitons ;; 2
					     (config-lookup config "requirements" "priority")     ;; priority 3
					     (let ((items      (hash-table-ref/default config "items" #f)) ;; items 4
						   (itemstable (hash-table-ref/default config "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 config))
						(else #f)))                           ;; not iterated
					     #f      ;; itemsdat 5
					     #f      ;; spare - used for item-path
					     )))
	    (for-each 
	     (lambda (waiton)
	       (if (and waiton (not (member waiton test-names)))
		   (begin
		     (set! required-tests (cons waiton required-tests))
		     (set! test-names (cons waiton test-names))))) ;; was an append, now a cons
	     waitons)
	    (let ((remtests (delete-duplicates (append waitons tal))))
	      (if (not (null? remtests))
		  (loop (car remtests)(cdr remtests)))))))

    (if (not (null? required-tests))
	(debug:print-info 1 "Adding " required-tests " to the run queue"))
    ;; NOTE: these are all parent tests, items are not expanded yet.
    (debug:print-info 4 "test-records=" (hash-table->alist test-records))
    (runs:run-tests-queue run-id runname test-records keyvallst flags test-patts)
    (debug:print-info 4 "All done by here")))

;; test-records is a hash table testname:item_path => vector < testname testconfig waitons priority items-info ... >
(define (runs:run-tests-queue run-id runname test-records keyvallst flags test-patts)
    ;; At this point the list of parent tests is expanded 
    ;; NB// Should expand items here and then insert into the run queue.
  (debug:print 5 "test-records: " test-records ", keyvallst: " keyvallst " flags: " (hash-table->alist flags))
  (let ((sorted-test-names (tests:sort-by-priority-and-waiton test-records))
	(test-registery    (make-hash-table))

	(num-retries        0)
	(max-retries       (config-lookup *configdat* "setup" "maxretries")))
    (set! max-retries (if (and max-retries (string->number max-retries))(string->number max-retries) 100))
    (if (not (null? sorted-test-names))
	(let loop ((hed         (car sorted-test-names))
		   (tal         (cdr sorted-test-names))

		   (reruns      '()))
	  (if (not (null? reruns))(debug:print-info 4 "reruns=" reruns))
	  ;; (print "Top of loop, hed=" hed ", tal=" tal " ,reruns=" reruns)
	  (let* ((test-record (hash-table-ref test-records hed))
		 (test-name   (tests:testqueue-get-testname test-record))
		 (tconfig     (tests:testqueue-get-testconfig test-record))
		 (testmode    (let ((m (config-lookup tconfig "requirements" "mode")))

	    (if (member test-name waitons)
		(begin
		  (debug:print 0 "ERROR: test " test-name " has listed itself as a waiton, please correct this!")
		  (set! waiton (filter (lambda (x)(not (equal? x hed))) waitons))))

	    (cond ;; OUTER COND
	     ((not items) ;; when false the test is ok to be handed off to launch (but not before)
	      (let* ((run-limits-info         (open-run-close runs:can-run-more-tests test-record)) ;; look at the test jobgroup and tot jobs running
		     (have-resources          (car run-limits-info))
		     (num-running             (list-ref run-limits-info 1))
		     (num-running-in-jobgroup (list-ref run-limits-info 2))
		     (max-concurrent-jobs     (list-ref run-limits-info 3))
		     (job-group-limit         (list-ref run-limits-info 4))
		     (prereqs-not-met         (open-run-close db:get-prereqs-not-met #f run-id waitons item-path mode: testmode))
		     (fails                   (runs:calc-fails prereqs-not-met))
		     (non-completed           (runs:calc-not-completed prereqs-not-met)))
		(debug:print-info 8 "have-resources: " have-resources " prereqs-not-met: " 
			     (string-intersperse 
			      (map (lambda (t)
				     (if (vector? t)
					 (conc (db:test-get-state t) "/" (db:test-get-status t))

		 ;; Check item path against item-patts
		 ((not (tests:match test-patts (tests:testqueue-get-testname test-record) item-path)) ;; This test/itempath is not to be run
		  ;; else the run is stuck, temporarily or permanently
		  ;; but should check if it is due to lack of resources vs. prerequisites
		  (debug:print-info 1 "Skipping " (tests:testqueue-get-testname test-record) " " item-path " as it doesn't match " test-patts)
		  ;; (thread-sleep! *global-delta*)
		  (if (not (null? tal))
		      (loop (car tal)(cdr tal) reruns)))


		 ( ;; (and
		  (not (hash-table-ref/default test-registery (runs:make-full-test-name test-name item-path) #f))



		      ;; (and max-concurrent-jobs (> (- max-concurrent-jobs num-running) 5)))





		  (debug:print-info 4 "Pre-registering test " test-name "/" item-path " to create placeholder" )







		  (open-run-close db:tests-register-test #f run-id test-name item-path)


		  (hash-table-set! test-registery (runs:make-full-test-name test-name item-path) #t)



		  ;; (thread-sleep! *global-delta*)
(runs:shrink-can-run-more-tests-delay)


		  (loop (car newtal)(cdr newtal) reruns))









		 ((not have-resources) ;; simply try again after waiting a second
		  (debug:print-info 1 "no resources to run new tests, waiting ...")


		  ;; (thread-sleep! (+ 2 *global-delta*))
		  ;; could have done hed tal here but doing car/cdr of newtal to rotate tests
		  (loop (car newtal)(cdr newtal) reruns))
		 ((and have-resources
		       (or (null? prereqs-not-met)
			   (and (eq? testmode 'toplevel)
				(null? non-completed))))
		  (run:test run-id runname keyvallst test-record flags #f)

(runs:shrink-can-run-more-tests-delay)
		  ;; (thread-sleep! *global-delta*)
		  (if (not (null? tal))
		      (loop (car tal)(cdr tal) reruns)))
		 (else ;; must be we have unmet prerequisites
		    (debug:print 4 "FAILS: " fails)
		    ;; If one or more of the prereqs-not-met are FAIL then we can issue
		    ;; a message and drop hed from the items to be processed.
		    (if (null? fails)
			(begin
			  ;; couldn't run, take a breather
			  (debug:print-info 4 "Shouldn't really get here, race condition? Unable to launch more tests at this moment, killing time ...")
			  ;; (thread-sleep! (+ 0.01 *global-delta*)) ;; long sleep here - no resources, may as well be patient
			  ;; we made new tal by sticking hed at the back of the list
			  (loop (car newtal)(cdr newtal) reruns))
			;; the waiton is FAIL so no point in trying to run hed ever again
			(if (not (null? tal))
			    (if (vector? hed)

				(begin (debug:print 1 "WARN: Dropping test " (db:test-get-testname hed) "/" (db:test-get-item-path hed)
						    " from the launch list as it has prerequistes that are FAIL")
(runs:shrink-can-run-more-tests-delay)
				       ;; (thread-sleep! *global-delta*)

				       (loop (car tal)(cdr tal) (cons hed reruns)))
				(begin
				  (debug:print 1 "WARN: Test not processed correctly. Could be a race condition in your test implementation? " hed) ;;  " as it has prerequistes that are FAIL. (NOTE: hed is not a vector)")
(runs:shrink-can-run-more-tests-delay)
				  ;; (thread-sleep! (+ 0.01 *global-delta*))
				  (loop hed tal reruns))))))))) ;; END OF INNER COND
	     
	     ;; case where an items came in as a list been processed
	     ((and (list? items)     ;; thus we know our items are already calculated
		   (not   itemdat)) ;; and not yet expanded into the list of things to be done
	      (if (and (debug:debug-mode 1) ;; (>= *verbosity* 1)
		       (> (length items) 0)
		       (> (length (car items)) 0))

			 (hash-table-set! test-records newtestname new-test-record)
			 (set! tal (cons newtestname tal)))))) ;; since these are itemized create new test names testname/itempath
	       items)
	      (if (not (null? tal))
		  (begin
		    (debug:print-info 4 "End of items list, looping with next after short delay")
                    ;; (thread-sleep! (+ 0.01 *global-delta*))
		    (loop (car tal)(cdr tal) reruns))))

	     ;; if items is a proc then need to run items:get-items-from-config, get the list and loop 
	     ;;    - but only do that if resources exist to kick off the job
	     ((or (procedure? items)(eq? items 'have-procedure))
	      (let ((can-run-more    (runs:can-run-more-tests test-record)))
		(if (and (list? can-run-more)
			 (car can-run-more))

			  (setenv "MT_RUNNAME"   runname)
			  (set-megatest-env-vars run-id) ;; these may be needed by the launching process
			  (let ((items-list (items:get-items-from-config tconfig)))
			    (if (list? items-list)
				(begin
				  (tests:testqueue-set-items! test-record items-list)
				  ;; (thread-sleep! *global-delta*)
				  (loop hed tal reruns))
				(begin
				  (debug:print 0 "ERROR: The proc from reading the setup did not yield a list - please report this")
				  (exit 1))))))
		       ((null? fails)
			(debug:print-info 4 "fails is null, moving on in the queue but keeping " hed " for now")
			;; only increment num-retries when there are no tests runing
			(if (eq? 0 (list-ref can-run-more 1))
			    (begin
			      (if (> num-retries 100) ;; first 100 retries are low time cost
				  (thread-sleep! (+ 2 *global-delta*))
				  (thread-sleep! (+ 0.01 *global-delta*)))
			      (set! num-retries (+ num-retries 1))))
			(if (> num-retries  max-retries)
			    (if (not (null? tal))
				(loop (car tal)(cdr tal) reruns))
			    (loop (car newtal)(cdr newtal) reruns))) ;; an issue with prereqs not yet met?
		       ((and (not (null? fails))(eq? testmode 'normal))
			(debug:print-info 1 "test "  hed " (mode=" testmode ") has failed prerequisite(s); "
				     (string-intersperse (map (lambda (t)(conc (db:test-get-testname t) ":" (db:test-get-state t)"/"(db:test-get-status t))) fails) ", ")
				     ", removing it from to-do list")
			(if (not (null? tal))
			    (begin
                              ;; (thread-sleep! *global-delta*)
			      (loop (car tal)(cdr tal)(cons hed reruns)))))
		       (else
			(debug:print 8 "ERROR: No handler for this condition.")
			(thread-sleep! (+ 1 *global-delta*))
			(loop (car newtal)(cdr newtal) reruns)))) ;; END OF IF CAN RUN MORE

		    ;; if can't run more just loop with next possible test
		    (begin
		      (debug:print-info 4 "processing the case with a lambda for items or 'have-procedure. Moving through the queue without dropping " hed)
		      ;; (thread-sleep! (+ 2 *global-delta*))
		      (loop (car newtal)(cdr newtal) reruns))))) ;; END OF (or (procedure? items)(eq? items 'have-procedure))
	     
	     ;; this case should not happen, added to help catch any bugs
	     ((and (list? items) itemdat)
	      (debug:print 0 "ERROR: Should not have a list of items in a test and the itemspath set - please report this")
	      (exit 1))
	     ((not (null? reruns))
	      (let* ((newlst (tests:filter-non-runnable run-id tal test-records)) ;; i.e. not FAIL, WAIVED, INCOMPLETE, PASS, KILLED,
		     (junked (lset-difference equal? tal newlst)))
		(debug:print-info 4 "full drop through, if reruns is less than 100 we will force retry them, reruns=" reruns ", tal=" tal)
		(if (< num-retries max-retries)
		    (set! newlst (append reruns newlst)))
		(set! num-retries (+ num-retries 1))
		;; (thread-sleep! (+ 1 *global-delta*))
		(if (not (null? newlst))
		    ;; since reruns have been tacked on to newlst create new reruns from junked
		    (loop (car newlst)(cdr newlst)(delete-duplicates junked)))))
	     ((not (null? tal))
	      (debug:print-info 4 "I'm pretty sure I shouldn't get here."))
	     (else
	      (debug:print-info 4 "Exiting loop with...\n  hed=" hed "\n  tal=" tal "\n  reruns=" reruns))
	     )))) ;; LET* ((test-record

    ;; we get here on "drop through" - loop for next test in queue

	    ;;
	    ;; NB// for the above line. I want the test to be registered long before this routine gets called!
	    ;;
	    (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))
	    (if (not test-id)
		(begin
		  (debug:print 2 "WARN: Test not pre-created? test-name=" test-name ", item-path=" item-path ", run-id=" run-id)
		  (open-run-close db:tests-register-test #f run-id test-name item-path)
		  (set! test-id (open-run-close db:get-test-id db run-id test-name item-path))))
	    (debug:print-info 4 "test-id=" test-id ", run-id=" run-id ", test-name=" test-name ", item-path=\"" item-path "\"")
	    (set! testdat (cdb:get-test-info-by-id *runremote* test-id))))
      (set! test-id (db:test-get-id testdat))
      (change-directory test-path)
      (case (if force ;; (args:get-arg "-force")
		'NOT_STARTED

	   (if (not runflag)
	       (if (not parent-test)
		   (debug:print 1 "NOTE: Not starting test " new-test-name " as it is state \"" (test:get-state testdat) 
				"\" and status \"" (test:get-status testdat) "\", use -rerun \"" (test:get-status testdat)
                                "\" or -force to override"))
	       ;; NOTE: No longer be checking prerequisites here! Will never get here unless prereqs are
	       ;;       already met.

	       (if (not (launch-test #f run-id runname test-conf keyvallst test-name test-path itemdat flags))
		   (begin
		     (print "ERROR: Failed to launch the test. Exiting as soon as possible")
		     (set! *globalexitstatus* 1) ;; 
		     (process-signal (current-process-id) signal/kill))))))
	((KILLED) 
	 (debug:print 1 "NOTE: " new-test-name " is already running or was explictly killed, use -force to launch it."))

	      runs)))
;;======================================================================
;; Rollup runs
;;======================================================================

;; Update the test_meta table for this test
(define (runs:update-test_meta db test-name test-conf)
  (let ((currrecord (open-run-close db:testmeta-get-record db test-name)))
    (if (not currrecord)
	(begin
	  (set! currrecord (make-vector 10 #f))
	  (open-run-close db:testmeta-add-record db test-name)))
    (for-each 
     (lambda (key)
       (let* ((idx (cadr key))
	      (fld (car  key))
	      (val (config-lookup test-conf "test_meta" fld)))
	 ;; (debug:print 5 "idx: " idx " fld: " fld " val: " val)
	 (if (and val (not (equal? (vector-ref currrecord idx) val)))
	     (begin
	       (print "Updating " test-name " " fld " to " val)
	       (open-run-close db:testmeta-update-field db test-name fld val)))))
     '(("author" 2)("owner" 3)("description" 4)("reviewed" 5)("tags" 9)))))

;; Update test_meta for all tests
(define (runs:update-all-test_meta db)
  (let ((test-names (get-all-legal-tests)))
    (for-each 
     (lambda (test-name)
       (let* ((test-path    (conc *toppath* "/tests/" test-name))
	      (test-configf (conc test-path "/testconfig"))
	      (testexists   (and (file-exists? test-configf)(file-read-access? test-configf)))
	      ;; read configs with tricks turned off (i.e. no system)
	      (test-conf    (if testexists (read-config test-configf #f #f)(make-hash-table))))
	 ;; use the open-run-close instead of passing in db
	 (runs:update-test_meta #f test-name test-conf)))
     test-names)))

;; This could probably be refactored into one complex query ...
(define (runs:rollup-run keys keyvallst runname user) ;; was target, now keyvallst
  (debug:print 4 "runs:rollup-run, keys: " keys " keyvallst: " keyvallst " :runname " runname " user: " user)
  (let* ((db              #f) ;; (keyvalllst      (keys:target->keyval keys target))
	 (new-run-id      (open-run-close runs:register-run db keys keyvallst runname "new" "n/a" user))
	 (prev-tests      (open-run-close test:get-matching-previous-test-run-records db new-run-id "%" "%"))
	 (curr-tests      (open-run-close db:get-tests-for-run db new-run-id "%/%" '() '()))
	 (curr-tests-hash (make-hash-table)))
    (open-run-close db:update-run-event_time db new-run-id)
    ;; index the already saved tests by testname and itemdat in curr-tests-hash
    (for-each
     (lambda (testdat)