Megatest

(define *usage-use-seconds* #t) ;; for Epoc seconds in usage logging change this to #t in ~/.megatestrc file

;;======================================================================
;; Test commands (i.e. for use inside tests)
;;======================================================================

(define (megatest:step step state status logfile msg)
  (if (not (get-environment-variable "MT_CMDINFO"))
      (begin
     	(debug:print-error 0 *default-log-port* "MT_CMDINFO env var not set, -step must be called *inside* a megatest invoked environment!")
     	(exit 5))
      (let* ((cmdinfo   (common:read-encoded-string (get-environment-variable "MT_CMDINFO")))
     	     (transport (assoc/default 'transport cmdinfo))
     	     (testpath  (assoc/default 'testpath  cmdinfo))
     	     (test-name (assoc/default 'test-name cmdinfo))
     	     (runscript (assoc/default 'runscript cmdinfo))
     	     (db-host   (assoc/default 'db-host   cmdinfo))
     	     (run-id    (assoc/default 'run-id    cmdinfo))
     	     (test-id   (assoc/default 'test-id   cmdinfo))

	(debug:print-error 0 *default-log-port* "Could not open log file for write: "logpath-in)
	(define *didsomething* #t)  
	(exit 1))))

(define (debug:setup)
  (let ((debugstr (or (args:get-arg "-debug")
      		      (args:get-arg "-debug-noprop")
      		      (get-environment-variable "MT_DEBUG_MODE"))))
    (set! *verbosity* (debug:calc-verbosity debugstr 'q))
    (debug:check-verbosity *verbosity* debugstr)
    ;; if we were handed a bad verbosity rule then we will override it with 1 and continue
    (if (not *verbosity*)(set! *verbosity* 1))
    (if (and (not (args:get-arg "-debug-noprop"))
      	     (or (args:get-arg "-debug")
      		 (not (get-environment-variable "MT_DEBUG_MODE"))))
      	(set-environment-variable! "MT_DEBUG_MODE" (if (list? *verbosity*)
      				    (string-intersperse (map conc *verbosity*) ",")
      				    (conc *verbosity*))))))

;; check verbosity, #t is ok
(define (debug:check-verbosity verbosity vstr)
  (if (not (or (number? verbosity)
     	       (list?   verbosity)))

         (debug:print-error 0 *default-log-port* "Unrecognised arguments: " (string-intersperse (if (list? remargs) remargs (argv))  " ")))
     
     ;; before doing anything else change to the start-dir if provided
     ;;
     (if (args:get-arg "-start-dir")
         (if (common:file-exists? (args:get-arg "-start-dir"))
             (let ((fullpath (common:real-path (args:get-arg "-start-dir"))))
               (set-environment-variable! "PWD" fullpath)
               (change-directory fullpath))
     	(begin
     	  (debug:print-error 0 *default-log-port* "non-existant start dir " (args:get-arg "-start-dir") " specified, exiting.")
     	  (exit 1))))
     
     ;; immediately set MT_TARGET if -reqtarg or -target are available
     ;;
     (let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target"))))
       (if targ (set-environment-variable! "MT_TARGET" targ)))
     
     ;; The watchdog is to keep an eye on things like db sync etc.
     ;;
;; (init-watchdog)
  
;;      (define (debug:debug-mode n)
;;        (cond

     ;; Misc general calls
     ;;======================================================================

;; TODO: Restore this functionality

     #; (if (and (args:get-arg "-cache-db")
              (args:get-arg "-source-db"))
         (let* ((temp-dir (or (args:get-arg "-target-db") (create-directory (conc "/tmp/" (get-environment-variable "USER") "/" (string-translate (current-directory) "/" "_")))))
                (target-db (conc temp-dir "/cached.db"))
                (source-db (args:get-arg "-source-db")))        
           (db:cache-for-read-only source-db target-db)
           (set! *didsomething* #t)))
     
     ;; handle a clean-cache request as early as possible
     ;;

            (else
     	(debug:print-error 0 *default-log-port* "-dumpmode of " (args:get-arg "-dumpmode") " not recognised")))
           (set! *didsomething* #t)
           (pop-directory)
           (bdat-time-to-exit-set! *bdat* #t)))
     
     (if (args:get-arg "-show-cmdinfo")
         (if (or (args:get-arg ":value")(get-environment-variable "MT_CMDINFO"))
     	(let ((data (common:read-encoded-string (or (args:get-arg ":value")(get-environment-variable "MT_CMDINFO")))))
     	  (if (equal? (args:get-arg "-dumpmode") "json")
     	      (json-write data)
     	      (pp data))
     	  (set! *didsomething* #t))
     	(debug:print-info 0 *default-log-port* "environment variable MT_CMDINFO is not set")))
     
     ;;======================================================================

     
     ;;======================================================================
     ;; Get paths to tests
     ;;======================================================================
     ;; Get test paths matching target, runname, and testpatt
     (if (or (args:get-arg "-test-files")(args:get-arg "-test-paths"))
         ;; if we are in a test use the MT_CMDINFO data
         (if (get-environment-variable "MT_CMDINFO")
     	(let* ((startingdir (current-directory))
     	       (cmdinfo   (common:read-encoded-string (get-environment-variable "MT_CMDINFO")))
     	       (transport (assoc/default 'transport cmdinfo))
     	       (testpath  (assoc/default 'testpath  cmdinfo))
     	       (test-name (assoc/default 'test-name cmdinfo))
     	       (runscript (assoc/default 'runscript cmdinfo))
     	       (db-host   (assoc/default 'db-host   cmdinfo))
     	       (run-id    (assoc/default 'run-id    cmdinfo))
     	       (itemdat   (assoc/default 'itemdat   cmdinfo))

     	;;     NEW POLICY - -setlog sets test overall log on every call.
     	(args:get-arg "-set-toplog")
     	(args:get-arg "-test-status")
     	(args:get-arg "-set-values")
     	(args:get-arg "-load-test-data")
     	(args:get-arg "-runstep")
     	(args:get-arg "-summarize-items"))
         (if (not (get-environment-variable "MT_CMDINFO"))
     	(begin
     	  (debug:print-error 0 *default-log-port* "MT_CMDINFO env var not set, commands -test-status, -runstep and -setlog must be called *inside* a megatest environment!")
     	  (exit 5))
     	(let* ((startingdir (current-directory))
     	       (cmdinfo   (common:read-encoded-string (get-environment-variable "MT_CMDINFO")))
     	       (transport (assoc/default 'transport cmdinfo))
     	       (testpath  (assoc/default 'testpath  cmdinfo))
     	       (test-name (assoc/default 'test-name cmdinfo))
     	       (runscript (assoc/default 'runscript cmdinfo))
     	       (db-host   (assoc/default 'db-host   cmdinfo))
     	       (run-id    (assoc/default 'run-id    cmdinfo))
     	       (test-id   (assoc/default 'test-id   cmdinfo))

          (args:get-arg "-target")
          (args:get-arg "-runname")
          (args:get-arg "-diff-html")
          (args:get-arg "-diff-email"))
         (set! *didsomething* #t)
         (exit 0)))
     
     (if (or (get-environment-variable "MT_RUNSCRIPT")
     	(args:get-arg "-repl")
     	(args:get-arg "-load"))
         (let* ((toppath (launch:setup)))
		
     	        ;; (dbstruct (if (and toppath
		;; 	      #;(common:on-homehost?))
		;; 	 (db:setup #f) ;; sets up main.db
		;; 	 #f))) ;; make-dbr:dbstruct path: toppath local: (args:get-arg "-local")) #f)))
	   (if *toppath*
	       (cond
		((get-environment-variable "MT_RUNSCRIPT")
		 ;; How to run megatest scripts
		 ;;
		 ;; #!/bin/bash
		 ;;
		 ;; export MT_RUNSCRIPT=yes
		 ;; megatest << EOF
		 ;; (print "Hello world")