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
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021-2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (tests-style)
#:use-module (guix read-print)
#:use-module (guix gexp) ;for the reader extensions
#:use-module (srfi srfi-64))
(define-syntax-rule (test-pretty-print str args ...)
"Test equality after a round-trip where STR is passed to
'read-with-comments' and the resulting sexp is then passed to
'pretty-print-with-comments'."
(test-equal str
(call-with-output-string
(lambda (port)
(let ((exp (call-with-input-string str
read-with-comments)))
(pretty-print-with-comments port exp args ...))))))
\f
(test-begin "read-print")
(test-equal "read-with-comments: dot notation"
(cons 'a 'b)
(call-with-input-string "(a . b)"
read-with-comments))
(test-pretty-print "(list 1 2 3 4)")
(test-pretty-print "((a . 1) (b . 2))")
(test-pretty-print "(a b c . boom)")
(test-pretty-print "(list 1
2
3
4)"
#:long-list 3
#:indent 20)
(test-pretty-print "\
(list abc
def)"
#:max-width 11)
(test-pretty-print "\
(#:foo
#:bar)"
#:max-width 10)
(test-pretty-print "\
(#:first 1
#:second 2
#:third 3)")
(test-pretty-print "\
((x
1)
(y
2)
(z
3))"
#:max-width 3)
(test-pretty-print "\
(let ((x 1)
(y 2)
(z 3)
(p 4))
(+ x y))"
#:max-width 11)
(test-pretty-print "\
(lambda (x y)
;; This is a procedure.
(let ((z (+ x y)))
(* z z)))")
(test-pretty-print "\
#~(string-append #$coreutils \"/bin/uname\")")
(test-pretty-print "\
(package
(inherit coreutils)
(version \"42\"))")
(test-pretty-print "\
(modify-phases %standard-phases
(add-after 'unpack 'post-unpack
(lambda _
#t))
(add-before 'check 'pre-check
(lambda* (#:key inputs #:allow-other-keys)
do things ...)))")
(test-pretty-print "\
(#:phases (modify-phases sdfsdf
(add-before 'x 'y
(lambda _
xyz))))")
(test-pretty-print "\
(description \"abcdefghijkl
mnopqrstuvwxyz.\")"
#:max-width 30)
(test-pretty-print "\
(description
\"abcdefghijkl
mnopqrstuvwxyz.\")"
#:max-width 12)
(test-pretty-print "\
(description
\"abcdefghijklmnopqrstuvwxyz\")"
#:max-width 33)
(test-pretty-print "\
(modify-phases %standard-phases
(replace 'build
;; Nicely indented in 'modify-phases' context.
(lambda _
#t)))")
(test-pretty-print "\
(modify-inputs inputs
;; Regular indentation for 'replace' here.
(replace \"gmp\" gmp))")
(test-pretty-print "\
(package
;; Here 'sha256', 'base32', and 'arguments' must be
;; immediately followed by a newline.
(source (origin
(method url-fetch)
(sha256
(base32
\"not a real base32 string\"))))
(arguments
'(#:phases %standard-phases
#:tests? #f)))")
;; '#:key value' is kept on the same line.
(test-pretty-print "\
(package
(name \"keyword-value-same-line\")
(arguments
(list #:phases #~(modify-phases %standard-phases
(add-before 'x 'y
(lambda* (#:key inputs #:allow-other-keys)
(foo bar baz))))
#:make-flags #~'(\"ANSWER=42\")
#:tests? #f)))")
(test-pretty-print "\
(let ((x 1)
(y 2)
(z (let* ((a 3)
(b 4))
(+ a b))))
(list x y z))")
(test-pretty-print "\
(substitute-keyword-arguments (package-arguments x)
((#:phases phases)
`(modify-phases ,phases
(add-before 'build 'do-things
(lambda _
#t))))
((#:configure-flags flags)
`(cons \"--without-any-problem\"
,flags)))")
(test-equal "pretty-print-with-comments, canonicalize-comment"
"\
(list abc
;; Not a margin comment.
;; Ditto.
;;
;; There's a blank line above.
def ;margin comment
ghi)"
(let ((sexp (call-with-input-string
"\
(list abc
;Not a margin comment.
;;; Ditto.
;;;;;
; There's a blank line above.
def ;; margin comment
ghi)"
read-with-comments)))
(call-with-output-string
(lambda (port)
(pretty-print-with-comments port sexp
#:format-comment
canonicalize-comment)))))
(test-end)
|