Merge commit '728a186263688293c214297cf8ea34dde8b20edb' as 'third_party/lisp/fiveam' r/396

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diff --git a/third_party/lisp/fiveam/src/classes.lisp b/third_party/lisp/fiveam/src/classes.lisp
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+;;;; -*- Mode: Lisp; indent-tabs-mode: nil -*-
+
+(in-package :it.bese.fiveam)
+
+(defclass testable-object ()
+  ((name :initarg :name :accessor name
+         :documentation "A symbol naming this test object.")
+   (description :initarg :description :accessor description :initform nil
+                :documentation "The textual description of this test object.")
+   (depends-on :initarg :depends-on :accessor depends-on :initform nil
+               :documentation "The list of AND, OR, NOT forms specifying when to run this test.")
+   (status :initarg :status :accessor status :initform :unknown
+           :documentation "A symbol specifying the current status
+	   of this test. Either: T - this test (and all its
+	   dependencies, have passed. NIL - this test
+	   failed (either it failed or its dependecies weren't
+	   met. :circular this test has a circular dependency
+	   and was skipped. Or :depends-not-satisfied or :resolving")
+   (profiling-info :accessor profiling-info
+                   :initform nil
+                   :documentation "An object representing how
+                   much time and memory where used by the
+                   test.")
+   (collect-profiling-info :accessor collect-profiling-info
+                           :initarg :collect-profiling-info
+                           :initform nil
+                           :documentation "When T profiling
+                           information will be collected when the
+                           test is run.")))
+
+(defmethod print-object ((test testable-object) stream)
+  (print-unreadable-object (test stream :type t :identity t)
+    (format stream "~S" (name test))))
+
+(defclass test-suite (testable-object)
+  ((tests :accessor tests :initform (make-hash-table :test 'eql)
+          :documentation "The hash table mapping names to test
+	  objects in this suite. The values in this hash table
+	  can be either test-cases or other test-suites."))
+  (:documentation "A test suite is a collection of tests or test suites.
+
+Test suites serve to organize tests into groups so that the
+developer can chose to run some tests and not just one or
+all. Like tests test suites have a name and a description.
+
+Test suites, like tests, can be part of other test suites, this
+allows the developer to create a hierarchy of tests where sub
+trees can be singularly run.
+
+Running a test suite has the effect of running every test (or
+suite) in the suite."))
+
+(defclass test-case (testable-object)
+  ((test-lambda :initarg :test-lambda :accessor test-lambda
+                :documentation "The function to run.")
+   (runtime-package :initarg :runtime-package :accessor runtime-package
+                    :documentation "By default it stores *package* from the time this test was defined (macroexpanded)."))
+  (:documentation "A test case is a single, named, collection of
+checks.
+
+A test case is the smallest organizational element which can be
+run individually. Every test case has a name, which is a symbol,
+a description and a test lambda. The test lambda is a regular
+funcall'able function which should use the various checking
+macros to collect results.
+
+Every test case is part of a suite, when a suite is not
+explicitly specified (either via the :SUITE parameter to the TEST
+macro or the global variable *SUITE*) the test is inserted into
+the global suite named NIL.
+
+Sometimes we want to run a certain test only if another test has
+passed. FiveAM allows us to specify the ways in which one test is
+dependent on another.
+
+- AND Run this test only if all the named tests passed.
+
+- OR Run this test if at least one of the named tests passed.
+
+- NOT Run this test only if another test has failed.
+
+FiveAM considers a test to have passed if all the checks executed
+were successful, otherwise we consider the test a failure.
+
+When a test is not run due to it's dependencies having failed a
+test-skipped result is added to the results."))
+
+(defclass explainer ()
+  ())
+
+(defclass text-explainer (explainer)
+  ())
+
+(defclass simple-text-explainer (text-explainer)
+  ())
+
+(defclass detailed-text-explainer (text-explainer)
+  ())
+
+;; 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