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Diffstat (limited to 'third_party/lisp/fiveam/src/check.lisp')
| -rw-r--r-- | third_party/lisp/fiveam/src/check.lisp | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/third_party/lisp/fiveam/src/check.lisp b/third_party/lisp/fiveam/src/check.lisp deleted file mode 100644 index b3808c5cf0..0000000000 --- a/third_party/lisp/fiveam/src/check.lisp +++ /dev/null @@ -1,311 +0,0 @@ -;;;; -*- Mode: Lisp; indent-tabs-mode: nil -*- - -(in-package :it.bese.fiveam) - -;;;; * Checks - -;;;; At the lowest level testing the system requires that certain -;;;; forms be evaluated and that certain post conditions are met: the -;;;; value returned must satisfy a certain predicate, the form must -;;;; (or must not) signal a certain condition, etc. In FiveAM these -;;;; low level operations are called 'checks' and are defined using -;;;; the various checking macros. - -;;;; Checks are the basic operators for collecting results. Tests and -;;;; test suites on the other hand allow grouping multiple checks into -;;;; logic collections. - -(defvar *test-dribble* t) - -(defmacro with-*test-dribble* (stream &body body) - `(let ((*test-dribble* ,stream)) - (declare (special *test-dribble*)) - ,@body)) - -(eval-when (:compile-toplevel :load-toplevel :execute) - (def-special-environment run-state () - result-list - current-test)) - -;;;; ** Types of test results - -;;;; Every check produces a result object. - -(defclass test-result () - ((reason :accessor reason :initarg :reason :initform "no reason given") - (test-case :accessor test-case :initarg :test-case) - (test-expr :accessor test-expr :initarg :test-expr)) - (:documentation "All checking macros will generate an object of - type TEST-RESULT.")) - -(defclass test-passed (test-result) - () - (:documentation "Class for successful checks.")) - -(defgeneric test-passed-p (object) - (:method ((o t)) nil) - (:method ((o test-passed)) t)) - -(define-condition check-failure (error) - ((reason :accessor reason :initarg :reason :initform "no reason given") - (test-case :accessor test-case :initarg :test-case) - (test-expr :accessor test-expr :initarg :test-expr)) - (:documentation "Signaled when a check fails.") - (:report (lambda (c stream) - (format stream "The following check failed: ~S~%~A." - (test-expr c) - (reason c))))) - -(defun process-failure (test-expr &optional reason-format &rest format-args) - (let ((reason (and reason-format - (apply #'format nil reason-format format-args)))) - (with-simple-restart (ignore-failure "Continue the test run.") - (error 'check-failure :test-expr test-expr - :reason reason)) - (add-result 'test-failure :test-expr test-expr - :reason reason))) - -(defclass test-failure (test-result) - () - (:documentation "Class for unsuccessful checks.")) - -(defgeneric test-failure-p (object) - (:method ((o t)) nil) - (:method ((o test-failure)) t)) - -(defclass unexpected-test-failure (test-failure) - ((actual-condition :accessor actual-condition :initarg :condition)) - (:documentation "Represents the result of a test which neither -passed nor failed, but signaled an error we couldn't deal -with. - -Note: This is very different than a SIGNALS check which instead -creates a TEST-PASSED or TEST-FAILURE object.")) - -(defclass test-skipped (test-result) - () - (:documentation "A test which was not run. Usually this is due to -unsatisfied dependencies, but users can decide to skip the test when -appropriate.")) - -(defgeneric test-skipped-p (object) - (:method ((o t)) nil) - (:method ((o test-skipped)) t)) - -(defun add-result (result-type &rest make-instance-args) - "Create a TEST-RESULT object of type RESULT-TYPE passing it the - initialize args MAKE-INSTANCE-ARGS and add the resulting - object to the list of test results." - (with-run-state (result-list current-test) - (let ((result (apply #'make-instance result-type - (append make-instance-args (list :test-case current-test))))) - (etypecase result - (test-passed (format *test-dribble* ".")) - (unexpected-test-failure (format *test-dribble* "X")) - (test-failure (format *test-dribble* "f")) - (test-skipped (format *test-dribble* "s"))) - (push result result-list)))) - -;;;; ** The check operators - -;;;; *** The IS check - -(defmacro is (test &rest reason-args) - "The DWIM checking operator. - -If TEST returns a true value a test-passed result is generated, -otherwise a test-failure result is generated. The reason, unless -REASON-ARGS is provided, is generated based on the form of TEST: - - (predicate expected actual) - Means that we want to check - whether, according to PREDICATE, the ACTUAL value is - in fact what we EXPECTED. - - (predicate value) - Means that we want to ensure that VALUE - satisfies PREDICATE. - - Wrapping the TEST form in a NOT simply produces a negated reason - string." - (assert (listp test) - (test) - "Argument to IS must be a list, not ~S" test) - (let (bindings effective-test default-reason-args) - (with-gensyms (e a v) - (flet ((process-entry (predicate expected actual &optional negatedp) - ;; make sure EXPECTED is holding the entry that starts with 'values - (when (and (consp actual) - (eq (car actual) 'values)) - (assert (not (and (consp expected) - (eq (car expected) 'values))) () - "Both the expected and actual part is a values expression.") - (rotatef expected actual)) - (let ((setf-forms)) - (if (and (consp expected) - (eq (car expected) 'values)) - (progn - (setf expected (copy-list expected)) - (setf setf-forms (loop for cell = (rest expected) then (cdr cell) - for i from 0 - while cell - when (eq (car cell) '*) - collect `(setf (elt ,a ,i) nil) - and do (setf (car cell) nil))) - (setf bindings (list (list e `(list ,@(rest expected))) - (list a `(multiple-value-list ,actual))))) - (setf bindings (list (list e expected) - (list a actual)))) - (setf effective-test `(progn - ,@setf-forms - ,(if negatedp - `(not (,predicate ,e ,a)) - `(,predicate ,e ,a))))))) - (list-match-case test - ((not (?predicate ?expected ?actual)) - (process-entry ?predicate ?expected ?actual t) - (setf default-reason-args - (list "~2&~S~2% evaluated to ~2&~S~2% which is ~2&~S~2%to ~2&~S~2% (it should not be)" - `',?actual a `',?predicate e))) - ((not (?satisfies ?value)) - (setf bindings (list (list v ?value)) - effective-test `(not (,?satisfies ,v)) - default-reason-args - (list "~2&~S~2% evaluated to ~2&~S~2% which satisfies ~2&~S~2% (it should not)" - `',?value v `',?satisfies))) - ((?predicate ?expected ?actual) - (process-entry ?predicate ?expected ?actual) - (setf default-reason-args - (list "~2&~S~2% evaluated to ~2&~S~2% which is not ~2&~S~2% to ~2&~S~2%." - `',?actual a `',?predicate e))) - ((?satisfies ?value) - (setf bindings (list (list v ?value)) - effective-test `(,?satisfies ,v) - default-reason-args - (list "~2&~S~2% evaluated to ~2&~S~2% which does not satisfy ~2&~S~2%" - `',?value v `',?satisfies))) - (?_ - (setf bindings '() - effective-test test - default-reason-args (list "~2&~S~2% was NIL." `',test))))) - `(let ,bindings - (if ,effective-test - (add-result 'test-passed :test-expr ',test) - (process-failure ',test - ,@(or reason-args default-reason-args))))))) - -;;;; *** Other checks - -(defmacro skip (&rest reason) - "Generates a TEST-SKIPPED result." - `(progn - (format *test-dribble* "s") - (add-result 'test-skipped :reason (format nil ,@reason)))) - -(defmacro is-every (predicate &body clauses) - "The input is either a list of lists, or a list of pairs. Generates (is (,predicate ,expr ,value)) - for each pair of elements or (is (,predicate ,expr ,value) ,@reason) for each list." - `(progn - ,@(if (every #'consp clauses) - (loop for (expected actual . reason) in clauses - collect `(is (,predicate ,expected ,actual) ,@reason)) - (progn - (assert (evenp (list-length clauses))) - (loop for (expr value) on clauses by #'cddr - collect `(is (,predicate ,expr ,value))))))) - -(defmacro is-true (condition &rest reason-args) - "Like IS this check generates a pass if CONDITION returns true - and a failure if CONDITION returns false. Unlike IS this check - does not inspect CONDITION to determine how to report the - failure." - `(if ,condition - (add-result 'test-passed :test-expr ',condition) - (process-failure ',condition - ,@(or reason-args - `("~S did not return a true value" ',condition))))) - -(defmacro is-false (condition &rest reason-args) - "Generates a pass if CONDITION returns false, generates a - failure otherwise. Like IS-TRUE, and unlike IS, IS-FALSE does - not inspect CONDITION to determine what reason to give it case - of test failure" - (with-gensyms (value) - `(let ((,value ,condition)) - (if ,value - (process-failure ',condition - ,@(or reason-args - `("~S returned the value ~S, which is true" ',condition ,value))) - (add-result 'test-passed :test-expr ',condition))))) - -(defmacro signals (condition-spec - &body body) - "Generates a pass if BODY signals a condition of type -CONDITION. BODY is evaluated in a block named NIL, CONDITION is -not evaluated." - (let ((block-name (gensym))) - (destructuring-bind (condition &optional reason-control reason-args) - (ensure-list condition-spec) - `(block ,block-name - (handler-bind ((,condition (lambda (c) - (declare (ignore c)) - ;; ok, body threw condition - (add-result 'test-passed - :test-expr ',condition) - (return-from ,block-name t)))) - (block nil - ,@body)) - (process-failure - ',condition - ,@(if reason-control - `(,reason-control ,@reason-args) - `("Failed to signal a ~S" ',condition))) - (return-from ,block-name nil))))) - -(defmacro finishes (&body body) - "Generates a pass if BODY executes to normal completion. In -other words if body does signal, return-from or throw this test -fails." - `(unwind-protect-case () (progn ,@body) - (:normal (add-result 'test-passed :test-expr ',body)) - (:abort (process-failure ',body "Test didn't finish")))) - -(defmacro pass (&rest message-args) - "Simply generate a PASS." - `(add-result 'test-passed - :test-expr ',message-args - ,@(when message-args - `(:reason (format nil ,@message-args))))) - -(defmacro fail (&rest message-args) - "Simply generate a FAIL." - `(process-failure ',message-args - ,@message-args)) - -;; Copyright (c) 2002-2003, Edward Marco Baringer -;; All rights reserved. -;; -;; Redistribution and use in source and binary forms, with or without -;; modification, are permitted provided that the following conditions are -;; met: -;; -;; - Redistributions of source code must retain the above copyright -;; notice, this list of conditions and the following disclaimer. -;; -;; - Redistributions in binary form must reproduce the above copyright -;; notice, this list of conditions and the following disclaimer in the -;; documentation and/or other materials provided with the distribution. -;; -;; - Neither the name of Edward Marco Baringer, nor BESE, nor the names -;; of its contributors may be used to endorse or promote products -;; derived from this software without specific prior written permission. -;; -;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -;; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -;; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -;; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -;; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE |