abou
aboutsummaryrefslogtreecommitdiff
path: root/srfi/srfi-64.upstream.scm
blob: d686662bfd6aa6883d2ed6bf35300b1791de9b1d (about) (plain)
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
;; Copyright (c) 2005, 2006, 2007, 2012, 2013 Per Bothner
;; Added "full" support for Chicken, Gauche, Guile and SISC.
;;   Alex Shinn, Copyright (c) 2005.
;; Modified for Scheme Spheres by Álvaro Castro-Castilla, Copyright (c) 2012.
;; Support for Guile 2 by Mark H Weaver <mhw@netris.org>, Copyright (c) 2014.
;;
;; 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.

(cond-expand
 (chicken
  (require-extension syntax-case))
 (guile-2
  (use-modules (srfi srfi-9)
               ;; In 2.0.9, srfi-34 and srfi-35 are not well integrated
               ;; with either Guile's native exceptions or R6RS exceptions.
               ;;(srfi srfi-34) (srfi srfi-35)
               (srfi srfi-39)))
 (guile
  (use-modules (ice-9 syncase) (srfi srfi-9)
	       ;;(srfi srfi-34) (srfi srfi-35) - not in Guile 1.6.7
	       (srfi srfi-39)))
 (sisc
  (require-extension (srfi 9 34 35 39)))
 (kawa
  (module-compile-options warn-undefined-variable: #t
			  warn-invoke-unknown-method: #t)
  (provide 'srfi-64)
  (provide 'testing)
  (require 'srfi-34)
  (require 'srfi-35))
 (else ()
  ))

(cond-expand
 (kawa
  (define-syntax %test-export
    (syntax-rules ()
      ((%test-export test-begin . other-names)
       (module-export %test-begin . other-names)))))
 (else
  (define-syntax %test-export
    (syntax-rules ()
      ((%test-export . names) (if #f #f))))))

;; List of exported names
(%test-export
 test-begin ;; must be listed first, since in Kawa (at least) it is "magic".
 test-end test-assert test-eqv test-eq test-equal
 test-approximate test-assert test-error test-apply test-with-runner
 test-match-nth test-match-all test-match-any test-match-name
 test-skip test-expect-fail test-read-eval-string
 test-runner-group-path test-group test-group-with-cleanup
 test-result-ref test-result-set! test-result-clear test-result-remove
 test-result-kind test-passed?
 test-log-to-file
 ; Misc test-runner functions
 test-runner? test-runner-reset test-runner-null
 test-runner-simple test-runner-current test-runner-factory test-runner-get
 test-runner-create test-runner-test-name
 ;; test-runner field setter and getter functions - see %test-record-define:
 test-runner-pass-count test-runner-pass-count!
 test-runner-fail-count test-runner-fail-count!
 test-runner-xpass-count test-runner-xpass-count!
 test-runner-xfail-count test-runner-xfail-count!
 test-runner-skip-count test-runner-skip-count!
 test-runner-group-stack test-runner-group-stack!
 test-runner-on-test-begin test-runner-on-test-begin!
 test-runner-on-test-end test-runner-on-test-end!
 test-runner-on-group-begin test-runner-on-group-begin!
 test-runner-on-group-end test-runner-on-group-end!
 test-runner-on-final test-runner-on-final!
 test-runner-on-bad-count test-runner-on-bad-count!
 test-runner-on-bad-end-name test-runner-on-bad-end-name!
 test-result-alist test-result-alist!
 test-runner-aux-value test-runner-aux-value!
 ;; default/simple call-back functions, used in default test-runner,
 ;; but can be called to construct more complex ones.
 test-on-group-begin-simple test-on-group-end-simple
 test-on-bad-count-simple test-on-bad-end-name-simple
 test-on-final-simple test-on-test-end-simple
 test-on-final-simple)

(cond-expand
 (srfi-9
  (define-syntax %test-record-define
    (syntax-rules ()
      ((%test-record-define alloc runner? (name index setter getter) ...)
       (define-record-type test-runner
	 (alloc)
	 runner?
	 (name setter getter) ...)))))
 (else
  (define %test-runner-cookie (list "test-runner"))
  (define-syntax %test-record-define
    (syntax-rules ()
      ((%test-record-define alloc runner? (name index getter setter) ...)
       (begin
	 (define (runner? obj)
	   (and (vector? obj)
		(> (vector-length obj) 1)
		(eq (vector-ref obj 0) %test-runner-cookie)))
	 (define (alloc)
	   (let ((runner (make-vector 23)))
	     (vector-set! runner 0 %test-runner-cookie)
	     runner))
	 (begin
	   (define (getter runner)
	     (vector-ref runner index)) ...)
	 (begin
	   (define (setter runner value)
	     (vector-set! runner index value)) ...)))))))

(%test-record-define
 %test-runner-alloc test-runner?
 ;; Cumulate count of all tests that have passed and were expected to.
 (pass-count 1 test-runner-pass-count test-runner-pass-count!)
 (fail-count 2 test-runner-fail-count test-runner-fail-count!)
 (xpass-count 3 test-runner-xpass-count test-runner-xpass-count!)
 (xfail-count 4 test-runner-xfail-count test-runner-xfail-count!)
 (skip-count 5 test-runner-skip-count test-runner-skip-count!)
 (skip-list 6 %test-runner-skip-list %test-runner-skip-list!)
 (fail-list 7 %test-runner-fail-list %test-runner-fail-list!)
 ;; Normally #t, except when in a test-apply.
 (run-list 8 %test-runner-run-list %test-runner-run-list!)
 (skip-save 9 %test-runner-skip-save %test-runner-skip-save!)
 (fail-save 10 %test-runner-fail-save %test-runner-fail-save!)
 (group-stack 11 test-runner-group-stack test-runner-group-stack!)
 (on-test-begin 12 test-runner-on-test-begin test-runner-on-test-begin!)
 (on-test-end 13 test-runner-on-test-end test-runner-on-test-end!)
 ;; Call-back when entering a group. Takes (runner suite-name count).
 (on-group-begin 14 test-runner-on-group-begin test-runner-on-group-begin!)
 ;; Call-back when leaving a group.
 (on-group-end 15 test-runner-on-group-end test-runner-on-group-end!)
 ;; Call-back when leaving the outermost group.
 (on-final 16 test-runner-on-final test-runner-on-final!)
 ;; Call-back when expected number of tests was wrong.
 (on-bad-count 17 test-runner-on-bad-count test-runner-on-bad-count!)
 ;; Call-back when name in test=end doesn't match test-begin.
 (on-bad-end-name 18 test-runner-on-bad-end-name test-runner-on-bad-end-name!)
 ;; Cumulate count of all tests that have been done.
 (total-count 19 %test-runner-total-count %test-runner-total-count!)
 ;; Stack (list) of (count-at-start . expected-count):
 (count-list 20 %test-runner-count-list %test-runner-count-list!)
 (result-alist 21 test-result-alist test-result-alist!)
 ;; Field can be used by test-runner for any purpose.
 ;; test-runner-simple uses it for a log file.
 (aux-value 22 test-runner-aux-value test-runner-aux-value!)
)

(define (test-runner-reset runner)
  (test-result-alist! runner '())
  (test-runner-pass-count! runner 0)
  (test-runner-fail-count! runner 0)
  (test-runner-xpass-count! runner 0)
  (test-runner-xfail-count! runner 0)
  (test-runner-skip-count! runner 0)
  (%test-runner-total-count! runner 0)
  (%test-runner-count-list! runner '())
  (%test-runner-run-list! runner #t)
  (%test-runner-skip-list! runner '())
  (%test-runner-fail-list! runner '())
  (%test-runner-skip-save! runner '())
  (%test-runner-fail-save! runner '())
  (test-runner-group-stack! runner '()))

(define (test-runner-group-path runner)
  (reverse (test-runner-group-stack runner)))

(define (%test-null-callback runner) #f)

(define (test-runner-null)
  (let ((runner (%test-runner-alloc)))
    (test-runner-reset runner)
    (test-runner-on-group-begin! runner (lambda (runner name count) #f))
    (test-runner-on-group-end! runner %test-null-callback)
    (test-runner-on-final! runner %test-null-callback)
    (test-runner-on-test-begin! runner %test-null-callback)
    (test-runner-on-test-end! runner %test-null-callback)
    (test-runner-on-bad-count! runner (lambda (runner count expected) #f))
    (test-runner-on-bad-end-name! runner (lambda (runner begin end) #f))
    runner))

;; Not part of the specification.  FIXME
;; Controls whether a log file is generated.
(define test-log-to-file #t)

(define (test-runner-simple)
  (let ((runner (%test-runner-alloc)))
    (test-runner-reset runner)
    (test-runner-on-group-begin! runner test-on-group-begin-simple)
    (test-runner-on-group-end! runner test-on-group-end-simple)
    (test-runner-on-final! runner test-on-final-simple)
    (test-runner-on-test-begin! runner test-on-test-begin-simple)
    (test-runner-on-test-end! runner test-on-test-end-simple)
    (test-runner-on-bad-count! runner test-on-bad-count-simple)
    (test-runner-on-bad-end-name! runner test-on-bad-end-name-simple)
    runner))

(cond-expand
 (srfi-39
  (define test-runner-current (make-parameter #f))
  (define test-runner-factory (make-parameter test-runner-simple)))
 (else
  (define %test-runner-current #f)
  (define-syntax test-runner-current
    (syntax-rules ()
      ((test-runner-current)
       %test-runner-current)
      ((test-runner-current runner)
       (set! %test-runner-current runner))))
  (define %test-runner-factory test-runner-simple)
  (define-syntax test-runner-factory
    (syntax-rules ()
      ((test-runner-factory)
       %test-runner-factory)
      ((test-runner-factory runner)
       (set! %test-runner-factory runner))))))

;; A safer wrapper to test-runner-current.
(define (test-runner-get)
  (let ((r (test-runner-current)))
    (if (not r)
	(cond-expand
	 (srfi-23 (error "test-runner not initialized - test-begin missing?"))
	 (else #t)))
    r))

(define (%test-specifier-matches spec runner)
  (spec runner))

(define (test-runner-create)
  ((test-runner-factory)))

(define (%test-any-specifier-matches list runner)
  (let ((result #f))
    (let loop ((l list))
      (cond ((null? l) result)
	    (else
	     (if (%test-specifier-matches (car l) runner)
		 (set! result #t))
	     (loop (cdr l)))))))

;; Returns #f, #t, or 'xfail.
(define (%test-should-execute runner)
  (let ((run (%test-runner-run-list runner)))
    (cond ((or
	    (not (or (eqv? run #t)
		     (%test-any-specifier-matches run runner)))
	    (%test-any-specifier-matches
	     (%test-runner-skip-list runner)
	     runner))
	    (test-result-set! runner 'result-kind 'skip)
	    #f)
	  ((%test-any-specifier-matches
	    (%test-runner-fail-list runner)
	    runner)
	   (test-result-set! runner 'result-kind 'xfail)
	   'xfail)
	  (else #t))))

(define (%test-begin suite-name count)
  (if (not (test-runner-current))
      (test-runner-current (test-runner-create)))
  (let ((runner (test-runner-current)))
    ((test-runner-on-group-begin runner) runner suite-name count)
    (%test-runner-skip-save! runner
			       (cons (%test-runner-skip-list runner)
				     (%test-runner-skip-save runner)))
    (%test-runner-fail-save! runner
			       (cons (%test-runner-fail-list runner)
				     (%test-runner-fail-save runner)))
    (%test-runner-count-list! runner
			     (cons (cons (%test-runner-total-count runner)
					 count)
				   (%test-runner-count-list runner)))
    (test-runner-group-stack! runner (cons suite-name
					(test-runner-group-stack runner)))))
(cond-expand
 (kawa
  ;; Kawa has test-begin built in, implemented as:
  ;; (begin
  ;;   (cond-expand (srfi-64 #!void) (else (require 'srfi-64)))
  ;;   (%test-begin suite-name [count]))
  ;; This puts test-begin but only test-begin in the default environment.,
  ;; which makes normal test suites loadable without non-portable commands.
  )
 (else
  (define-syntax test-begin
    (syntax-rules ()
      ((test-begin suite-name)
       (%test-begin suite-name #f))
      ((test-begin suite-name count)
       (%test-begin suite-name count))))))

(define (test-on-group-begin-simple runner suite-name count)
  (if (null? (test-runner-group-stack runner))
      (begin
	(display "%%%% Starting test ")
	(display suite-name)
	(if test-log-to-file
	    (let* ((log-file-name
		    (if (string? test-log-to-file) test-log-to-file
			(string-append suite-name ".log")))
		   (log-file
		    (cond-expand (mzscheme
				  (open-output-file log-file-name 'truncate/replace))
				 (else (open-output-file log-file-name)))))
	      (display "%%%% Starting test " log-file)
	      (display suite-name log-file)
	      (newline log-file)
	      (test-runner-aux-value! runner log-file)
	      (display "  (Writing full log to \"")
	      (display log-file-name)
	      (display "\")")))
	(newline)))
  (let ((log (test-runner-aux-value runner)))
    (if (output-port? log)
	(begin
	  (display "Group begin: " log)
	  (display suite-name log)
	  (newline log))))
  #f)

(define (test-on-group-end-simple runner)
  (let ((log (test-runner-aux-value runner)))
    (if (output-port? log)
	(begin
	  (display "Group end: " log)
	  (display (car (test-runner-group-stack runner)) log)
	  (newline log))))
  #f)

(define (%test-on-bad-count-write runner count expected-count port)
  (display "*** Total number of tests was " port)
  (display count port)
  (display " but should be " port)
  (display expected-count port)
  (display ". ***" port)
  (newline port)
  (display "*** Discrepancy indicates testsuite error or exceptions. ***" port)
  (newline port))

(define (test-on-bad-count-simple runner count expected-count)
  (%test-on-bad-count-write runner count expected-count (current-output-port))
  (let ((log (test-runner-aux-value runner)))
    (if (output-port? log)
	(%test-on-bad-count-write runner count expected-count log))))

(define (test-on-bad-end-name-simple runner begin-name end-name)
  (let ((msg (string-append (%test-format-line runner) "test-end " begin-name
			    " does not match test-begin " end-name)))
    (cond-expand
     (srfi-23 (error msg))
     (else (display msg) (newline)))))
  

(define (%test-final-report1 value label port)
  (if (> value 0)
      (begin
	(display label port)
	(display value port)
	(newline port))))

(define (%test-final-report-simple runner port)
  (%test-final-report1 (test-runner-pass-count runner)
		      "# of expected passes      " port)
  (%test-final-report1 (test-runner-xfail-count runner)
		      "# of expected failures    " port)
  (%test-final-report1 (test-runner-xpass-count runner)
		      "# of unexpected successes " port)
  (%test-final-report1 (test-runner-fail-count runner)
		      "# of unexpected failures  " port)
  (%test-final-report1 (test-runner-skip-count runner)
		      "# of skipped tests        " port))

(define (test-on-final-simple runner)
  (%test-final-report-simple runner (current-output-port))
  (let ((log (test-runner-aux-value runner)))
    (if (output-port? log)
	(%test-final-report-simple runner log))))

(define (%test-format-line runner)
   (let* ((line-info (test-result-alist runner))
	  (source-file (assq 'source-file line-info))
	  (source-line (assq 'source-line line-info))
	  (file (if source-file (cdr source-file) "")))
     (if source-line
	 (string-append file ":"
			(number->string (cdr source-line)) ": ")
	 "")))

(define (%test-end suite-name line-info)
  (let* ((r (test-runner-get))
	 (groups (test-runner-group-stack r))
	 (line (%test-format-line r)))
    (test-result-alist! r line-info)
    (if (null? groups)
	(let ((msg (string-append line "test-end not in a group")))
	  (cond-expand
	   (srfi-23 (error msg))
	   (else (display msg) (newline)))))
    (if (and suite-name (not (equal? suite-name (car groups))))
	((test-runner-on-bad-end-name r) r suite-name (car groups)))
    (let* ((count-list (%test-runner-count-list r))
	   (expected-count (cdar count-list))
	   (saved-count (caar count-list))
	   (group-count (- (%test-runner-total-count r) saved-count)))
      (if (and expected-count
	       (not (= expected-count group-count)))
	  ((test-runner-on-bad-count r) r group-count expected-count))
      ((test-runner-on-group-end r) r)
      (test-runner-group-stack! r (cdr (test-runner-group-stack r)))
      (%test-runner-skip-list! r (car (%test-runner-skip-save r)))
      (%test-runner-skip-save! r (cdr (%test-runner-skip-save r)))
      (%test-runner-fail-list! r (car (%test-runner-fail-save r)))
      (%test-runner-fail-save! r (cdr (%test-runner-fail-save r)))
      (%test-runner-count-list! r (cdr count-list))
      (if (null? (test-runner-group-stack r))
	  ((test-runner-on-final r) r)))))

(define-syntax test-group
  (syntax-rules ()
    ((test-group suite-name . body)
     (let ((r (test-runner-current)))
       ;; Ideally should also set line-number, if available.
       (test-result-alist! r (list (cons 'test-name suite-name)))
       (if (%test-should-execute r)
	   (dynamic-wind
	       (lambda () (test-begin suite-name))
	       (lambda () . body)
	       (lambda () (test-end  suite-name))))))))

(define-syntax test-group-with-cleanup
  (syntax-rules ()
    ((test-group-with-cleanup suite-name form cleanup-form)
     (test-group suite-name
		    (dynamic-wind
			(lambda () #f)
			(lambda () form)
			(lambda () cleanup-form))))
    ((test-group-with-cleanup suite-name cleanup-form)
     (test-group-with-cleanup suite-name #f cleanup-form))
    ((test-group-with-cleanup suite-name form1 form2 form3 . rest)
     (test-group-with-cleanup suite-name (begin form1 form2) form3 . rest))))

(define (test-on-test-begin-simple runner)
 (let ((log (test-runner-aux-value runner)))
    (if (output-port? log)
	(let* ((results (test-result-alist runner))
	       (source-file (assq 'source-file results))
	       (source-line (assq 'source-line results))
	       (source-form (assq 'source-form results))
	       (test-name (assq 'test-name results)))
	  (display "Test begin:" log)
	  (newline log)
	  (if test-name (%test-write-result1 test-name log))
	  (if source-file (%test-write-result1 source-file log))
	  (if source-line (%test-write-result1 source-line log))
	  (if source-form (%test-write-result1 source-form log))))))

(define-syntax test-result-ref
  (syntax-rules ()
    ((test-result-ref runner pname)
     (test-result-ref runner pname #f))
    ((test-result-ref runner pname default)
     (let ((p (assq pname (test-result-alist runner))))
       (if p (cdr p) default)))))

(define (test-on-test-end-simple runner)
  (let ((log (test-runner-aux-value runner))
	(kind (test-result-ref runner 'result-kind)))
    (if (memq kind '(fail xpass))
	(let* ((results (test-result-alist runner))
	       (source-file (assq 'source-file results))
	       (source-line (assq 'source-line results))
	       (test-name (assq 'test-name results)))
	  (if (or source-file source-line)
	      (begin
		(if source-file (display (cdr source-file)))
		(display ":")
		(if source-line (display (cdr source-line)))
		(display ": ")))
	  (display (if (eq? kind 'xpass) "XPASS" "FAIL"))
	  (if test-name
	      (begin
		(display " ")
		(display (cdr test-name))))
	  (newline)))
    (if (output-port? log)
	(begin
	  (display "Test end:" log)
	  (newline log)
	  (let loop ((list (test-result-alist runner)))
	    (if (pair? list)
		(let ((pair (car list)))
		  ;; Write out properties not written out by on-test-begin.
		  (if (not (memq (car pair)
				 '(test-name source-file source-line source-form)))
		      (%test-write-result1 pair log))
		  (loop (cdr list)))))))))

(define (%test-write-result1 pair port)
  (display "  " port)
  (display (car pair) port)
  (display ": " port)
  (write (cdr pair) port)
  (newline port))

(define (test-result-set! runner pname value)
  (let* ((alist (test-result-alist runner))
	 (p (assq pname alist)))
    (if p
	(set-cdr! p value)
	(test-result-alist! runner (cons (cons pname value) alist)))))

(define (test-result-clear runner)
  (test-result-alist! runner '()))

(define (test-result-remove runner pname)
  (let* ((alist (test-result-alist runner))
	 (p (assq pname alist)))
    (if p
	(test-result-alist! runner
				   (let loop ((r alist))
				     (if (eq? r p) (cdr r)
					 (cons (car r) (loop (cdr r)))))))))

(define (test-result-kind . rest)
  (let ((runner (if (pair? rest) (car rest) (test-runner-current))))
    (test-result-ref runner 'result-kind)))

(define (test-passed? . rest)
  (let ((runner (if (pair? rest) (car rest) (test-runner-get))))
    (memq (test-result-ref runner 'result-kind) '(pass xpass))))

(define (%test-report-result)
  (let* ((r (test-runner-get))
	 (result-kind (test-result-kind r)))
    (case result-kind
      ((pass)
       (test-runner-pass-count! r (+ 1 (test-runner-pass-count r))))
      ((fail)
       (test-runner-fail-count!	r (+ 1 (test-runner-fail-count r))))
      ((xpass)
       (test-runner-xpass-count! r (+ 1 (test-runner-xpass-count r))))
      ((xfail)
       (test-runner-xfail-count! r (+ 1 (test-runner-xfail-count r))))
      (else
       (test-runner-skip-count! r (+ 1 (test-runner-skip-count r)))))
    (%test-runner-total-count! r (+ 1 (%test-runner-total-count r)))
    ((test-runner-on-test-end r) r)))

(cond-expand
 (guile
  (define-syntax %test-evaluate-with-catch
    (syntax-rules ()
      ((%test-evaluate-with-catch test-expression)
       (catch #t
         (lambda () test-expression)
         (lambda (key . args)
           (test-result-set! (test-runner-current) 'actual-error
                             (cons key args))
           #f))))))
 (kawa
  (define-syntax %test-evaluate-with-catch
    (syntax-rules ()
      ((%test-evaluate-with-catch test-expression)
       (try-catch test-expression
		  (ex <java.lang.Throwable>
		      (test-result-set! (test-runner-current) 'actual-error ex)
		      #f))))))
 (srfi-34
  (define-syntax %test-evaluate-with-catch
    (syntax-rules ()
      ((%test-evaluate-with-catch test-expression)
       (guard (err (else #f)) test-expression)))))
 (chicken
  (define-syntax %test-evaluate-with-catch
    (syntax-rules ()
      ((%test-evaluate-with-catch test-expression)
       (condition-case test-expression (ex () #f))))))
 (else
  (define-syntax %test-evaluate-with-catch
    (syntax-rules ()
      ((%test-evaluate-with-catch test-expression)
       test-expression)))))
	    
(cond-expand
 ((or kawa mzscheme)
  (cond-expand
   (mzscheme
    (define-for-syntax (%test-syntax-file form)
      (let ((source (syntax-source form)))
	(cond ((string? source) file)
				((path? source) (path->string source))
				(else #f)))))
   (kawa
    (define (%test-syntax-file form)
      (syntax-source form))))
  (define (%test-source-line2 form)
    (let* ((line (syntax-line form))
	   (file (%test-syntax-file form))
	   (line-pair (if line (list (cons 'source-line line)) '())))
      (cons (cons 'source-form (syntax-object->datum form))
	    (if file (cons (cons 'source-file file) line-pair) line-pair)))))
 (guile-2
  (define (%test-source-line2 form)
    (let* ((src-props (syntax-source form))
           (file (and src-props (assq-ref src-props 'filename)))
           (line (and src-props (assq-ref src-props 'line)))
           (file-alist (if file
                           `((source-file . ,file))
                           '()))
           (line-alist (if line
                           `((source-line . ,(+ line 1)))
                           '())))
      (datum->syntax (syntax here)
                     `((source-form . ,(syntax->datum form))
                       ,@file-alist
                       ,@line-alist)))))
 (else
  (define (%test-source-line2 form)
    '())))

(define (%test-on-test-begin r)
  (%test-should-execute r)
  ((test-runner-on-test-begin r) r)
  (not (eq? 'skip (test-result-ref r 'result-kind))))

(define (%test-on-test-end r result)
    (test-result-set! r 'result-kind
		      (if (eq? (test-result-ref r 'result-kind) 'xfail)
			  (if result 'xpass 'xfail)
			  (if result 'pass 'fail))))

(define (test-runner-test-name runner)
  (test-result-ref runner 'test-name ""))

(define-syntax %test-comp2body
  (syntax-rules ()
		((%test-comp2body r comp expected expr)
		 (let ()
		   (if (%test-on-test-begin r)
		       (let ((exp expected))
			 (test-result-set! r 'expected-value exp)
			 (let ((res (%test-evaluate-with-catch expr)))
			   (test-result-set! r 'actual-value res)
			   (%test-on-test-end r (comp exp res)))))
		   (%test-report-result)))))

(define (%test-approximate= error)
  (lambda (value expected)
    (let ((rval (real-part value))
          (ival (imag-part value))
          (rexp (real-part expected))
          (iexp (imag-part expected)))
      (and (>= rval (- rexp error))
           (>= ival (- iexp error))
           (<= rval (+ rexp error))
           (<= ival (+ iexp error))))))

(define-syntax %test-comp1body
  (syntax-rules ()
    ((%test-comp1body r expr)
     (let ()
       (if (%test-on-test-begin r)
	   (let ()
	     (let ((res (%test-evaluate-with-catch expr)))
	       (test-result-set! r 'actual-value res)
	       (%test-on-test-end r res))))
       (%test-report-result)))))

(cond-expand
 ((or kawa mzscheme guile-2)
  ;; Should be made to work for any Scheme with syntax-case
  ;; However, I haven't gotten the quoting working.  FIXME.
  (define-syntax test-end
    (lambda (x)
      (syntax-case (list x (list (syntax quote) (%test-source-line2 x))) ()
	(((mac suite-name) line)
	 (syntax
	  (%test-end suite-name line)))
	(((mac) line)
	 (syntax
	  (%test-end #f line))))))
  (define-syntax test-assert
    (lambda (x)
      (syntax-case (list x (list (syntax quote) (%test-source-line2 x))) ()
	(((mac tname expr) line)
	 (syntax
	  (let* ((r (test-runner-get))
		 (name tname))
	    (test-result-alist! r (cons (cons 'test-name tname) line))
	    (%test-comp1body r expr))))
	(((mac expr) line)
	 (syntax
	  (let* ((r (test-runner-get)))
	    (test-result-alist! r line)
	    (%test-comp1body r expr)))))))
  (define (%test-comp2 comp x)
    (syntax-case (list x (list (syntax quote) (%test-source-line2 x)) comp) ()
      (((mac tname expected expr) line comp)
       (syntax
	(let* ((r (test-runner-get))
	       (name tname))
	  (test-result-alist! r (cons (cons 'test-name tname) line))
	  (%test-comp2body r comp expected expr))))
      (((mac expected expr) line comp)
       (syntax
	(let* ((r (test-runner-get)))
	  (test-result-alist! r line)
	  (%test-comp2body r comp expected expr))))))
  (define-syntax test-eqv
    (lambda (x) (%test-comp2 (syntax eqv?) x)))
  (define-syntax test-eq
    (lambda (x) (%test-comp2 (syntax eq?) x)))
  (define-syntax test-equal
    (lambda (x) (%test-comp2 (syntax equal?) x)))
  (define-syntax test-approximate ;; FIXME - needed for non-Kawa
    (lambda (x)
      (syntax-case (list x (list (syntax quote) (%test-source-line2 x))) ()
      (((mac tname expected expr error) line)
       (syntax
	(let* ((r (test-runner-get))
	       (name tname))
	  (test-result-alist! r (cons (cons 'test-name tname) line))
	  (%test-comp2body r (%test-approximate= error) expected expr))))
      (((mac expected expr error) line)
       (syntax
	(let* ((r (test-runner-get)))
	  (test-result-alist! r line)
	  (%test-comp2body r (%test-approximate= error) expected expr))))))))
 (else
  (define-syntax test-end
    (syntax-rules ()
      ((test-end)
       (%test-end #f '()))
      ((test-end suite-name)
       (%test-end suite-name '()))))
  (define-syntax test-assert
    (syntax-rules ()
      ((test-assert tname test-expression)
       (let* ((r (test-runner-get))
	      (name tname))
	 (test-result-alist! r '((test-name . tname)))
	 (%test-comp1body r test-expression)))
      ((test-assert test-expression)
       (let* ((r (test-runner-get)))
	 (test-result-alist! r '())
	 (%test-comp1body r test-expression)))))
  (define-syntax %test-comp2
    (syntax-rules ()
      ((%test-comp2 comp tname expected expr)
       (let* ((r (test-runner-get))
	      (name tname))
	 (test-result-alist! r (list (cons 'test-name tname)))
	 (%test-comp2body r comp expected expr)))
      ((%test-comp2 comp expected expr)
       (let* ((r (test-runner-get)))
	 (test-result-alist! r '())
	 (%test-comp2body r comp expected expr)))))
  (define-syntax test-equal
    (syntax-rules ()
      ((test-equal . rest)
       (%test-comp2 equal? . rest))))
  (define-syntax test-eqv
    (syntax-rules ()
      ((test-eqv . rest)
       (%test-comp2 eqv? . rest))))
  (define-syntax test-eq
    (syntax-rules ()
      ((test-eq . rest)
       (%test-comp2 eq? . rest))))
  (define-syntax test-approximate
    (syntax-rules ()
      ((test-approximate tname expected expr error)
       (%test-comp2 (%test-approximate= error) tname expected expr))
      ((test-approximate expected expr error)
       (%test-comp2 (%test-approximate= error) expected expr))))))

(cond-expand
 (guile
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
       (cond ((%test-on-test-begin r)
              (let ((et etype))
                (test-result-set! r 'expected-error et)
                (%test-on-test-end r
                                   (catch #t
                                     (lambda ()
                                       (test-result-set! r 'actual-value expr)
                                       #f)
                                     (lambda (key . args)
                                       ;; TODO: decide how to specify expected
                                       ;; error types for Guile.
                                       (test-result-set! r 'actual-error
                                                         (cons key args))
                                       #t)))
                (%test-report-result))))))))
 (mzscheme
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
       (%test-comp1body r (with-handlers (((lambda (h) #t) (lambda (h) #t)))
					 (let ()
					   (test-result-set! r 'actual-value expr)
					   #f)))))))
 (chicken
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
        (%test-comp1body r (condition-case expr (ex () #t)))))))
 (kawa
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r #t expr)
       (cond ((%test-on-test-begin r)
	      (test-result-set! r 'expected-error #t)
	      (%test-on-test-end r
				 (try-catch
				  (let ()
				    (test-result-set! r 'actual-value expr)
				    #f)
				  (ex <java.lang.Throwable>
				      (test-result-set! r 'actual-error ex)
				      #t)))
	      (%test-report-result))))
      ((%test-error r etype expr)
       (if (%test-on-test-begin r)
	   (let ((et etype))
	     (test-result-set! r 'expected-error et)
	     (%test-on-test-end r
				(try-catch
				 (let ()
				   (test-result-set! r 'actual-value expr)
				   #f)
				 (ex <java.lang.Throwable>
				     (test-result-set! r 'actual-error ex)
				     (cond ((and (instance? et <gnu.bytecode.ClassType>)
						 (gnu.bytecode.ClassType:isSubclass et <java.lang.Throwable>))
					    (instance? ex et))
					   (else #t)))))
	     (%test-report-result)))))))
 ((and srfi-34 srfi-35)
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
       (%test-comp1body r (guard (ex ((condition-type? etype)
		   (and (condition? ex) (condition-has-type? ex etype)))
		  ((procedure? etype)
		   (etype ex))
		  ((equal? etype #t)
		   #t)
		  (else #t))
	      expr #f))))))
 (srfi-34
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
       (%test-comp1body r (guard (ex (else #t)) expr #f))))))
 (else
  (define-syntax %test-error
    (syntax-rules ()
      ((%test-error r etype expr)
       (begin
	 ((test-runner-on-test-begin r) r)
	 (test-result-set! r 'result-kind 'skip)
	 (%test-report-result)))))))

(cond-expand
 ((or kawa mzscheme guile-2)

  (define-syntax test-error
    (lambda (x)
      (syntax-case (list x (list (syntax quote) (%test-source-line2 x))) ()
	(((mac tname etype expr) line)
	 (syntax
	  (let* ((r (test-runner-get))
		 (name tname))
	    (test-result-alist! r (cons (cons 'test-name tname) line))
	    (%test-error r etype expr))))
	(((mac etype expr) line)
	 (syntax
	  (let* ((r (test-runner-get)))
	    (test-result-alist! r line)
	    (%test-error r etype expr))))
	(((mac expr) line)
	 (syntax
	  (let* ((r (test-runner-get)))
	    (test-result-alist! r line)
	    (%test-error r #t expr))))))))
 (else
  (define-syntax test-error
    (syntax-rules ()
      ((test-error name etype expr)
       (let ((r (test-runner-get)))
         (test-result-alist! r `((test-name . ,name)))
         (%test-error r etype expr)))
      ((test-error etype expr)
       (let ((r (test-runner-get)))
         (test-result-alist! r '())
         (%test-error r etype expr)))
      ((test-error expr)
       (let ((r (test-runner-get)))
         (test-result-alist! r '())
         (%test-error r #t expr)))))))

(define (test-apply first . rest)
  (if (test-runner? first)
      (test-with-runner first (apply test-apply rest))
      (let ((r (test-runner-current)))
	(if r
	    (let ((run-list (%test-runner-run-list r)))
	      (cond ((null? rest)
		     (%test-runner-run-list! r (reverse run-list))
		     (first)) ;; actually apply procedure thunk
		    (else
		     (%test-runner-run-list!
		      r
		      (if (eq? run-list #t) (list first) (cons first run-list)))
		     (apply test-apply rest)
		     (%test-runner-run-list! r run-list))))
	    (let ((r (test-runner-create)))
	      (test-with-runner r (apply test-apply first rest))
	      ((test-runner-on-final r) r))))))

(define-syntax test-with-runner
  (syntax-rules ()
    ((test-with-runner runner form ...)
     (let ((saved-runner (test-runner-current)))
       (dynamic-wind
           (lambda () (test-runner-current runner))
           (lambda () form ...)
           (lambda () (test-runner-current saved-runner)))))))

;;; Predicates

(define (%test-match-nth n count)
  (let ((i 0))
    (lambda (runner)
      (set! i (+ i 1))
      (and (>= i n) (< i (+ n count))))))

(define-syntax test-match-nth
  (syntax-rules ()
    ((test-match-nth n)
     (test-match-nth n 1))
    ((test-match-nth n count)
     (%test-match-nth n count))))

(define (%test-match-all . pred-list)
  (lambda (runner)
    (let ((result #t))
      (let loop ((l pred-list))
	(if (null? l)
	    result
	    (begin
	      (if (not ((car l) runner))
		  (set! result #f))
	      (loop (cdr l))))))))
  
(define-syntax test-match-all
  (syntax-rules ()
    ((test-match-all pred ...)
     (%test-match-all (%test-as-specifier pred) ...))))

(define (%test-match-any . pred-list)
  (lambda (runner)
    (let ((result #f))
      (let loop ((l pred-list))
	(if (null? l)
	    result
	    (begin
	      (if ((car l) runner)
		  (set! result #t))
	      (loop (cdr l))))))))
  
(define-syntax test-match-any
  (syntax-rules ()
    ((test-match-any pred ...)
     (%test-match-any (%test-as-specifier pred) ...))))

;; Coerce to a predicate function:
(define (%test-as-specifier specifier)
  (cond ((procedure? specifier) specifier)
	((integer? specifier) (test-match-nth 1 specifier))
	((string? specifier) (test-match-name specifier))
	(else
	 (error "not a valid test specifier"))))

(define-syntax test-skip
  (syntax-rules ()
    ((test-skip pred ...)
     (let ((runner (test-runner-get)))
       (%test-runner-skip-list! runner
				  (cons (test-match-all (%test-as-specifier pred)  ...)
					(%test-runner-skip-list runner)))))))

(define-syntax test-expect-fail
  (syntax-rules ()
    ((test-expect-fail pred ...)
     (let ((runner (test-runner-get)))
       (%test-runner-fail-list! runner
				  (cons (test-match-all (%test-as-specifier pred)  ...)
					(%test-runner-fail-list runner)))))))

(define (test-match-name name)
  (lambda (runner)
    (equal? name (test-runner-test-name runner))))

(define (test-read-eval-string string)
  (let* ((port (open-input-string string))
	 (form (read port)))
    (if (eof-object? (read-char port))
	(cond-expand
	 (guile (eval form (current-module)))
	 (else (eval form)))
	(cond-expand
	 (srfi-23 (error "(not at eof)"))
	 (else "error")))))