about summary refs log tree commit diff
path: root/src/explain.lisp
blob: 015cdf45521a185b0c10f0e30461b4d8cf826744 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
;;;; -*- Mode: Lisp; indent-tabs-mode: nil -*-

(in-package :it.bese.fiveam)

;;;; * Analyzing the results

(defparameter *verbose-failures* nil
  "T if we should print the expression failing, NIL otherwise.")

;;;; Just as important as defining and runnig the tests is
;;;; understanding the results. FiveAM provides the function EXPLAIN
;;;; which prints a human readable summary (number passed, number
;;;; failed, what failed and why, etc.) of a list of test results.

(defgeneric explain (explainer results &optional stream recursive-depth)
  (:documentation "Given a list of test results report write to stream detailed
 human readable statistics regarding the results."))

(defmethod explain ((exp detailed-text-explainer) results
                    &optional (stream *test-dribble*) (recursive-depth 0))
  (multiple-value-bind (num-checks passed num-passed passed%
                                   skipped num-skipped skipped%
                                   failed num-failed failed%
                                   unknown num-unknown unknown%)
      (partition-results results)
    (declare (ignore passed))
    (flet ((output (&rest format-args)
             (format stream "~&~vT" recursive-depth)
             (apply #'format stream format-args)))

      (when (zerop num-checks)
        (output "Didn't run anything...huh?")
        (return-from explain nil))
      (output "Did ~D check~P.~%" num-checks num-checks)
      (output "   Pass: ~D (~2D%)~%" num-passed passed%)
      (output "   Skip: ~D (~2D%)~%" num-skipped skipped%)
      (output "   Fail: ~D (~2D%)~%" num-failed failed%)
      (when unknown
        (output "   UNKNOWN RESULTS: ~D (~2D)~%" num-unknown unknown%))
      (terpri stream)
      (when failed
        (output "Failure Details:~%")
        (dolist (f (reverse failed))
          (output "--------------------------------~%")
          (output "~A ~@{[~A]~}: ~%"
                  (name (test-case f))
                  (description (test-case f)))
          (output "     ~A.~%" (reason f))
          (when (for-all-test-failed-p f)
            (output "Results collected with failure data:~%")
            (explain exp (slot-value f 'result-list)
                     stream (+ 4 recursive-depth)))
          (when (and *verbose-failures* (test-expr f))
            (output "    ~S~%" (test-expr f)))
          (output "--------------------------------~%"))
        (terpri stream))
      (when skipped
        (output "Skip Details:~%")
        (dolist (f skipped)
          (output "~A ~@{[~A]~}: ~%"
                  (name (test-case f))
                  (description (test-case f)))
          (output "    ~A.~%" (reason f)))
        (terpri stream)))))

(defmethod explain ((exp simple-text-explainer) results
                    &optional (stream *test-dribble*) (recursive-depth 0))
  (multiple-value-bind (num-checks passed num-passed passed%
                                   skipped num-skipped skipped%
                                   failed num-failed failed%
                                   unknown num-unknown unknown%)
      (partition-results results)
    (declare (ignore passed passed% skipped skipped% failed failed% unknown unknown%))
    (format stream "~&~vTRan ~D checks, ~D passed" recursive-depth num-checks num-passed)
    (when (plusp num-skipped)
      (format stream ", ~D skipped " num-skipped))
    (format stream " and ~D failed.~%" num-failed)
    (when (plusp num-unknown)
      (format stream "~vT~D UNKNOWN RESULTS.~%" recursive-depth num-unknown))))

(defun partition-results (results-list)
  (let ((num-checks (length results-list)))
    (destructuring-bind (passed skipped failed unknown)
        (partitionx results-list
                    (lambda (res)
                      (typep res 'test-passed))
                    (lambda (res)
                      (typep res 'test-skipped))
                    (lambda (res)
                      (typep res 'test-failure))
                    t)
      (if (zerop num-checks)
          (values 0
                  nil 0 0
                  nil 0 0
                  nil 0 0
                  nil 0 0)
          (values
           num-checks
           passed (length passed) (floor (* 100 (/ (length passed) num-checks)))
           skipped (length skipped) (floor (* 100 (/ (length skipped) num-checks)))
           failed (length failed) (floor (* 100 (/ (length failed) num-checks)))
           unknown (length unknown) (floor (* 100 (/ (length failed) num-checks))))))))

;; 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