ecl/src/tests/2am.lisp

287 lines
11 KiB
Common Lisp

;;; Copyright (c) 2014 James M. Lawrence
;;; Copyright (c) 2016 Daniel Kochmański
;;;
;;; Permission is hereby granted, free of charge, to any person
;;; obtaining a copy of this software and associated documentation
;;; files (the "Software"), to deal in the Software without
;;; restriction, including without limitation the rights to use, copy,
;;; modify, merge, publish, distribute, sublicense, and/or sell copies
;;; of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be
;;; included in all copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.
#| to avoid conflict with the library name package 2am-ecl |#
(defpackage #:2am-ecl
(:use #:cl)
(:export #:deftest #:test #:test-with-timeout #:is #:signals #:finishes
#:run #:suite))
(in-package #:2am-ecl)
(defvar *tests* nil "A name of the default tests suite.")
(defvar *suites* (make-hash-table) "A collection of test suites.")
(defvar *hierarchy* (make-hash-table) "A hierarchy of test suites.")
(defvar *stats* nil "Collection of test statistics.")
(defvar *running* nil)
(defvar *test-name* nil)
(defvar *last-fail* nil)
(defvar *default-timeout* 60.0 "Default timeout in seconds.")
(defstruct test-stats
(failures (make-hash-table))
(crashes 0)
(test-count 0)
(pass-count 0)
(fail-count 0))
(define-condition test-failure (simple-condition)
((test-name :initarg :name
:accessor test-name)))
(defun suite (&optional (name *tests* name-p) (sub nil sub-p))
"Sets the current suite to the `name'."
(assert (symbolp name))
(assert (typep sub 'sequence))
(when name-p
(setf *tests* name))
(when sub-p
(setf (gethash *tests* *hierarchy*) sub))
*tests*)
(defsetf suite (name) (tests suites)
"Resets the suite to contain the provided tests and suites"
`(progn
(assert (typep ,tests 'sequence))
(assert (typep ,suites 'sequence))
(setf (gethash ,name *suites*) ,tests
(gethash ,name *hierarchy*) ,suites)
tests))
(defun %shuffle (vector)
(loop for i downfrom (- (length vector) 1) to 1
do (rotatef (aref vector i) (aref vector (random (1+ i)))))
vector)
(defun shuffle (sequence)
(%shuffle (map 'vector #'identity sequence)))
(defun report (stats &aux
(test-count (test-stats-test-count stats))
(pass-count (test-stats-pass-count stats))
(fail-count (test-stats-fail-count stats))
(crashes (test-stats-crashes stats))
(failures (test-stats-failures stats)))
(let ((num-check (+ pass-count fail-count)))
(if *running*
(format t "~&Did ~s test~:p (~s crashed), ~s check~:p.~%" test-count crashes num-check)
(format t "~&Test ~s: ~s check~:p.~%" *test-name* num-check))
(unless (zerop num-check)
(let ((passed% (round (* 100 (/ pass-count num-check))))
(failed% (round (* 100 (/ fail-count num-check)))))
(format t " Pass: ~s (~2D%)~%" pass-count passed%)
(format t " Fail: ~s (~2D%)~%" fail-count failed%))))
(unless (= fail-count crashes 0)
(format t "~%Failure details:~%")
(format t "--------------------------------~%")
(maphash (lambda (test fails)
(format t " ~A:~%" test)
(dolist (fail (reverse fails))
(if (typep fail 'test-failure)
(format t " FAIL: ")
(format t " CRASH [~A]: " (type-of fail)))
(format t "~A~%" fail))
(format t "~&--------------------------------~%"))
failures)))
(defun %run (fn)
(let ((*stats* (make-test-stats)))
(multiple-value-prog1 (funcall fn)
(report *stats*))))
(defun %run-suite (name)
(let ((visited nil)
(functions nil))
(labels ((traverse (name)
(unless (member name visited)
(push name visited)
(push (lambda ()
(format t "~&--- Running test suite ~s~%" name)
(map nil #'funcall (shuffle
(gethash name *suites*))))
functions)
(map nil #'traverse (shuffle
(gethash name *hierarchy*))))))
(traverse name))
(nreverse functions)))
(defun run (&optional (tests (gethash nil *suites*)))
"Run each test in the sequence `tests'. Default is `*tests*'."
(let ((*running* t))
(etypecase tests
(symbol
(%run (lambda ()
(map nil #'funcall (%run-suite tests)))))
(list
(%run (lambda ()
(map nil #'funcall (shuffle tests)))))))
(values))
(defun call-test (name fn)
(let ((*test-name* name))
(format t "~&Running test ~s " *test-name*)
(finish-output)
(if *running*
(handler-case
(progn (incf (test-stats-test-count *stats*))
(funcall fn))
(serious-condition (c)
(write-char #\X)
(incf (test-stats-crashes *stats*))
(push c (gethash *test-name* (test-stats-failures *stats*)))))
(%run fn))
(values)))
(defmacro deftest (name () &body body)
`(progn
(defun ,name ()
(call-test ',name (lambda () ,@body)))
(pushnew ',name (gethash *tests* *suites*))
',name))
(defmacro test (name &body body)
`(deftest ,name () ,@body))
(defun kill-processes (process-list &optional original)
"Kills a list of processes, which may be the difference between two lists."
(let ((process-list (set-difference process-list original)))
(when (member mp:*current-process* process-list)
(error "Found myself in the kill list"))
(mapc #'mp:process-kill process-list)
process-list))
#+threads
(defun call-test-with-timeout (name timeout fn)
(let* ((all-processes (mp:all-processes))
(finished nil)
(runner (mp:process-run-function
"runner"
#'(lambda (stats running)
(let ((*stats* stats)
(*running* running))
(call-test name fn)
(setf finished t)))
*stats* *running*)))
(loop with *test-name* = name
with timestep = 0.2
for time from 0.0 upto timeout by timestep
do (if finished
(return)
(sleep timestep))
finally (mp:process-kill runner)
(failed (make-condition 'test-failure
:name name
:format-control "Timeout after ~A seconds"
:format-arguments (list timeout)))
(return-from call-test-with-timeout))
(mp:process-join runner)
(let ((leftovers (kill-processes (mp:all-processes) all-processes)))
(when leftovers
(format t "~%;;; Stray processes: ~A~%" leftovers)))))
#+threads
(defmacro test-with-timeout (name-and-timeout &body body)
(let (name timeout)
(if (listp name-and-timeout)
(setf name (first name-and-timeout)
timeout (second name-and-timeout))
(setf name name-and-timeout
timeout '*default-timeout*))
`(progn
(defun ,name ()
(call-test-with-timeout ',name ,timeout (lambda () ,@body)))
(pushnew ',name (gethash *tests* *suites*))
',name)))
(defun passed ()
(write-char #\.)
(when *stats*
(incf (test-stats-pass-count *stats*)))
T)
(defun failed (c)
(write-char #\f)
(when *stats*
(incf (test-stats-fail-count *stats*))
(push c (gethash *test-name* (test-stats-failures *stats*))))
(setf *last-fail* c)
nil)
(defmacro is (form &rest args
&aux
(fmt-ctrl (format nil "~s~@[~%~A~]" form (car args)))
(fmt-args (cdr args)))
"Assert that `form' evaluates to non-nil."
`(if ,form
(passed)
(failed (make-condition 'test-failure
:name *test-name*
:format-control ,fmt-ctrl
:format-arguments (list ,@fmt-args)))))
(defun %signals (expected fn &rest args)
(flet ((handler (condition)
(cond ((typep condition expected)
(return-from %signals (passed)))
((typep condition 'serious-condition)
(return-from %signals
(let ((fmt-ctrl
(if args
(car args)
"Expected to signal ~s, but got ~s:~%~a"))
(fmt-args
(if args
(cdr args)
(list expected (type-of condition) condition))))
(failed (make-condition 'test-failure
:name *test-name*
:format-control fmt-ctrl
:format-arguments fmt-args)))))
(t #|ignore non-serious unexpected conditions|#))))
(handler-bind ((condition #'handler))
(funcall fn)))
(let ((fmt-ctrl (if args (car args) "Expected to signal ~s, but got nothing"))
(fmt-args (if args (cdr args) `(,expected))))
(failed (make-condition 'test-failure
:name *test-name*
:format-control fmt-ctrl
:format-arguments fmt-args))))
(defmacro signals (condition form &rest args)
"Assert that `body' signals a condition of type `condition'."
`(%signals ',condition (lambda () ,form) ,@args))
(defmacro finishes (form &rest args)
(if args
`(handler-case (progn ,form (passed))
(serious-condition (c)
(failed (make-condition 'test-failure
:name *test-name*
:format-control ,(car args)
:format-arguments (list ,@(cdr args))))))
`(handler-case (progn ,form (passed))
(serious-condition (c)
(failed (make-condition 'test-failure
:name *test-name*
:format-control "Expected to finish, but got ~s:~%~a"
:format-arguments (list (type-of c) c)))))))