tests/pathnames.impure.lisp

   1 ;;;; miscellaneous tests of pathname-related stuff
   2
   3 ;;;; This file is naturally impure because we mess with
   4 ;;;; LOGICAL-PATHNAME-TRANSLATIONS.
   5
   6 ;;;; This software is part of the SBCL system. See the README file for
   7 ;;;; more information.
   8 ;;;;
   9 ;;;; While most of SBCL is derived from the CMU CL system, the test
  10 ;;;; files (like this one) were written from scratch after the fork
  11 ;;;; from CMU CL.
  12 ;;;;
  13 ;;;; This software is in the public domain and is provided with
  14 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  15 ;;;; more information.
  16
  17 (load "assertoid.lisp")
  18 (use-package "ASSERTOID")
  19
  20 (setf (logical-pathname-translations "demo0")
  21       '(("**;*.*.*" "/tmp/")))
  22
  23 ;;; In case of a parse error we want to get a condition of type
  24 ;;; CL:PARSE-ERROR (or more specifically, of type
  25 ;;; SB-KERNEL:NAMESTRING-PARSE-ERROR).
  26 (assert
  27   (typep (grab-condition (logical-pathname "demo0::bla;file.lisp"))
  28          'parse-error))
  29
  30 ;;; some things SBCL-0.6.9 used not to parse correctly:
  31 ;;;
  32 ;;; SBCL used to throw an error saying there's no translation.
  33 (assert (equal (namestring (translate-logical-pathname "demo0:file.lisp"))
  34                "/tmp/file.lisp"))
  35 ;;; We do not match a null directory to every wild path:
  36 (assert (not (pathname-match-p "demo0:file.lisp"
  37                                (logical-pathname "demo0:tmp;**;*.*.*"))))
  38 ;;; Remove "**" from our resulting pathname when the source-dir is NIL:
  39 (setf (logical-pathname-translations "demo1")
  40       '(("**;*.*.*" "/tmp/**/*.*") (";**;*.*.*" "/tmp/rel/**/*.*")))
  41 (assert (not (equal (namestring (translate-logical-pathname "demo1:foo.lisp"))
  42                     "/tmp/**/foo.lisp")))
  43 ;;; That should be correct:
  44 (assert (equal (namestring (translate-logical-pathname "demo1:foo.lisp"))
  45                "/tmp/foo.lisp"))
  46 ;;; Check for absolute/relative path confusion:
  47 (assert (not (equal (namestring (translate-logical-pathname "demo1:;foo.lisp"))
  48                      "tmp/rel/foo.lisp")))
  49 (assert (equal (namestring (translate-logical-pathname "demo1:;foo.lisp"))
  50                "/tmp/rel/foo.lisp"))
  51
  52 ;;; Under SBCL: new function #'UNPARSE-ENOUGH-NAMESTRING, to
  53 ;;; handle the following case exactly (otherwise we get an error:
  54 ;;; "#'IDENTITY CALLED WITH 2 ARGS."
  55 (setf (logical-pathname-translations "demo2")
  56         '(("test;**;*.*" "/tmp/demo2/test")))
  57 (enough-namestring "demo2:test;foo.lisp")
  58
  59 ;;; When a pathname comes from a logical host, it should be in upper
  60 ;;; case. (This doesn't seem to be specifically required in the ANSI
  61 ;;; spec, but it's left up to the implementors, and the arguments made
  62 ;;; in the cleanup issue PATHNAME-LOGICAL:ADD seem to be a pretty
  63 ;;; compelling reason for the implementors to choose case
  64 ;;; insensitivity and a canonical case.)
  65 (setf (logical-pathname-translations "FOO")
  66       '(("**;*.*.*" "/full/path/to/foo/**/*.*.*")))
  67 (let* ((pn1 (make-pathname :host "FOO" :directory "etc" :name "INETD"
  68                            :type "conf"))
  69        (pn2 (make-pathname :host "foo" :directory "ETC" :name "inetd"
  70                            :type "CONF"))
  71        (pn3 (read-from-string (prin1-to-string pn1))))
  72   (assert (equal pn1 pn2))
  73   (assert (equal pn1 pn3)))
  74
  75 ;;; In addition to the upper-case constraint above, if the logical-pathname
  76 ;;; contains a string component in e.g. the directory, name and type slot,
  77 ;;; these should be valid "WORDS", according to CLHS 19.3.1.
  78 ;;; FIXME: currently SBCL throws NAMESTRING-PARSE-ERROR: should this be
  79 ;;; a TYPE-ERROR?
  80
  81 (locally
  82   ;; MAKE-PATHNAME is UNSAFELY-FLUSHABLE
  83   (declare (optimize safety))
  84
  85   (assert (not (ignore-errors
  86                 (make-pathname :host "FOO" :directory "!bla" :name "bar"))))
  87
  88   ;; error: name-component not valid
  89   (assert (not (ignore-errors
  90                 (make-pathname :host "FOO" :directory "bla" :name "!bar"))))
  91
  92   ;; error: type-component not valid.
  93   (assert (not (ignore-errors
  94                 (make-pathname :host "FOO" :directory "bla" :name "bar"
  95                                :type "&baz")))))
  96
  97 ;;; We may need to parse the host as a LOGICAL-NAMESTRING HOST. The
  98 ;;; HOST in PARSE-NAMESTRING can be either a string or :UNSPECIFIC
  99 ;;; without actually requiring the system to signal an error (apart
 100 ;;; from host mismatches).
 101 (assert (equal (namestring (parse-namestring "" "FOO")) "FOO:"))
 102 (assert (equal (namestring (parse-namestring "" :unspecific)) ""))
 103
 104 ;;; The third would work if the call were (and it should continue to
 105 ;;; work ...)
 106 (parse-namestring ""
 107                   (pathname-host
 108                    (translate-logical-pathname
 109                     "FOO:")))
 110
 111 ;;; ANSI says PARSE-NAMESTRING returns TYPE-ERROR on host mismatch.
 112 (let ((cond (grab-condition (parse-namestring "foo:jeamland" "demo2"))))
 113   (assert (typep cond 'type-error)))
 114
 115 ;;; turning one logical pathname into another:
 116 (setf (logical-pathname-translations "foo")
 117        '(("todemo;*.*.*" "demo0:*.*.*")))
 118 (assert (equal (namestring (translate-logical-pathname "foo:todemo;x.y"))
 119                (namestring (translate-logical-pathname "demo0:x.y"))))
 120
 121 ;;; ANSI, in its wisdom, specifies that it's an error (specifically a
 122 ;;; TYPE-ERROR) to query the system about the translations of a string
 123 ;;; which doesn't have any translations. It's not clear why we don't
 124 ;;; just return NIL in that case, but they make the rules..
 125 (let ((cond (grab-condition (logical-pathname-translations "unregistered-host"))))
 126   (assert (typep cond 'type-error)))
 127
 128 (assert (not (string-equal (host-namestring (parse-namestring "OTHER-HOST:ILLEGAL/LPN")) "OTHER-HOST")))
 129 (assert (string-equal (pathname-name (parse-namestring "OTHER-HOST:ILLEGAL/LPN")) "LPN"))
 130
 131 ;;; FIXME: A comment on this section up to sbcl-0.6.11.30 or so said
 132 ;;;   examples from CLHS: Section 19.4, LOGICAL-PATHNAME-TRANSLATIONS
 133 ;;;   (sometimes converted to the Un*x way of things)
 134 ;;; but when I looked it up I didn't see the connection. Presumably
 135 ;;; there's some code in this section which should be attributed
 136 ;;; to something in the ANSI spec, but I don't know what code it is
 137 ;;; or what section of the specification has the related code.
 138 (setf (logical-pathname-translations "test0")
 139         '(("**;*.*.*"              "/library/foo/**/")))
 140 (assert (equal (namestring (translate-logical-pathname
 141                             "test0:foo;bar;baz;mum.quux"))
 142                "/library/foo/foo/bar/baz/mum.quux"))
 143 (setf (logical-pathname-translations "prog")
 144         '(("RELEASED;*.*.*"        "MY-UNIX:/sys/bin/my-prog/")
 145           ("RELEASED;*;*.*.*"      "MY-UNIX:/sys/bin/my-prog/*/")
 146           ("EXPERIMENTAL;*.*.*"    "MY-UNIX:/usr/Joe/development/prog/")
 147           ("EXPERIMENTAL;*;*.*.*"  "MY-UNIX:/usr/Joe/development/prog/*/")))
 148 (setf (logical-pathname-translations "prog")
 149         '(("CODE;*.*.*"             "/lib/prog/")))
 150 (assert (equal (namestring (translate-logical-pathname
 151                             "prog:code;documentation.lisp"))
 152                "/lib/prog/documentation.lisp"))
 153 (setf (logical-pathname-translations "prog")
 154         '(("CODE;DOCUMENTATION.*.*" "/lib/prog/docum.*")
 155           ("CODE;*.*.*"             "/lib/prog/")))
 156 (assert (equal (namestring (translate-logical-pathname
 157                             "prog:code;documentation.lisp"))
 158                "/lib/prog/docum.lisp"))
 159
 160 ;;; ANSI section 19.3.1.1.5 specifies that translation to a filesystem
 161 ;;; which doesn't have versions should ignore the version slot. CMU CL
 162 ;;; didn't ignore this as it should, but we do.
 163 (assert (equal (namestring (translate-logical-pathname
 164                             "test0:foo;bar;baz;mum.quux.3"))
 165                "/library/foo/foo/bar/baz/mum.quux"))
 166 \f
 167 ;;;; MERGE-PATHNAME tests
 168 ;;;;
 169 ;;;; There are some things we don't bother testing, just because they're
 170 ;;;; not meaningful on the underlying filesystem anyway.
 171 ;;;;
 172 ;;;; Mostly that means that we don't do devices, we don't do versions
 173 ;;;; except minimally in LPNs (they get lost in the translation to
 174 ;;;; physical hosts, so it's not much of an issue), and we don't do
 175 ;;;; hosts except for LPN hosts
 176 ;;;;
 177 ;;;; Although these tests could conceivably be useful in principle for
 178 ;;;; other implementations, they depend quite heavily on the rules for
 179 ;;;; namestring parsing, which are implementation-specific. So, success
 180 ;;;; or failure in these tests doesn't tell you anything about
 181 ;;;; ANSI-compliance unless your PARSE-NAMESTRING works like ours.
 182
 183 ;;; Needs to be done at compile time, so that the #p"" read-macro
 184 ;;; correctly parses things as logical pathnames. This is not a
 185 ;;; problem as was, as this is an impure file and so gets loaded in,
 186 ;;; but just for future proofing...
 187 (eval-when (:compile-toplevel :load-toplevel :execute)
 188   (setf (logical-pathname-translations "scratch")
 189         '(("**;*.*.*" "/usr/local/doc/**/*"))))
 190
 191 (loop for (expected-result . params) in
 192       `(;; trivial merge
 193         (#P"/usr/local/doc/foo" #p"foo" #p"/usr/local/doc/")
 194         ;; If pathname does not specify a host, device, directory,
 195         ;; name, or type, each such component is copied from
 196         ;; default-pathname.
 197         ;; 1) no name, no type
 198         (#p"/supplied-dir/name.type" #p"/supplied-dir/" #p"/dir/name.type")
 199         ;; 2) no directory, no type
 200         (#p"/dir/supplied-name.type" #p"supplied-name" #p"/dir/name.type")
 201         ;; 3) no name, no dir (must use make-pathname as ".foo" is parsed
 202         ;; as a name)
 203         (#p"/dir/name.supplied-type"
 204          ,(make-pathname :type "supplied-type")
 205          #p"/dir/name.type")
 206         ;; If (pathname-directory pathname) is a list whose car is
 207         ;; :relative, and (pathname-directory default-pathname) is a
 208         ;; list, then the merged directory is [...]
 209         (#p"/aaa/bbb/ccc/ddd/qqq/www" #p"qqq/www" #p"/aaa/bbb/ccc/ddd/eee")
 210         ;; except that if the resulting list contains a string or
 211         ;; :wild immediately followed by :back, both of them are
 212         ;; removed.
 213         (#P"/aaa/bbb/ccc/blah/eee"
 214          ;; "../" in a namestring is parsed as :up not :back, so make-pathname
 215          ,(make-pathname :directory '(:relative :back "blah"))
 216          #p"/aaa/bbb/ccc/ddd/eee")
 217         ;; If (pathname-directory default-pathname) is not a list or
 218         ;; (pathname-directory pathname) is not a list whose car is
 219         ;; :relative, the merged directory is (or (pathname-directory
 220         ;; pathname) (pathname-directory default-pathname))
 221         (#P"/absolute/path/name.type"
 222          #p"/absolute/path/name"
 223          #p"/dir/default-name.type")
 224         ;; === logical pathnames ===
 225         ;; recognizes a logical pathname namestring when
 226         ;; default-pathname is a logical pathname
 227         ;; FIXME: 0.6.12.23 fails this one.
 228         ;;
 229         ;; And, as it happens, it's right to fail it. Because
 230         ;; #p"name1" is read in with the ambient *d-p-d* value, which
 231         ;; has a physical (Unix) host; therefore, the host of the
 232         ;; default-pathname argument to merge-pathnames is
 233         ;; irrelevant. The result is (correctly) different if
 234         ;; '#p"name1"' is replaced by "name1", below, though it's
 235         ;; still not what one might expect... -- CSR, 2002-05-09
 236         #+nil (#P"scratch:foo;name1" #p"name1" #p"scratch:foo;")
 237         ;; or when the namestring begins with the name of a defined
 238         ;; logical host followed by a colon [I assume that refers to pathname
 239         ;; rather than default-pathname]
 240         (#p"SCRATCH:FOO;NAME2" #p"scratch:;name2" #p"scratch:foo;")
 241         ;; conduct the previous set of tests again, with a lpn first argument
 242         (#P"SCRATCH:USR;LOCAL;DOC;FOO" #p"scratch:;foo" #p"/usr/local/doc/")
 243         (#p"SCRATCH:SUPPLIED-DIR;NAME.TYPE"
 244          #p"scratch:supplied-dir;"
 245          #p"/dir/name.type")
 246         (#p"SCRATCH:DIR;SUPPLIED-NAME.TYPE"
 247          #p"scratch:;supplied-name"
 248          #p"/dir/name.type")
 249         (#p"SCRATCH:DIR;NAME.SUPPLIED-TYPE"
 250          ,(make-pathname :host "scratch" :type "supplied-type")
 251          #p"/dir/name.type")
 252         (#p"SCRATCH:AAA;BBB;CCC;DDD;FOO;BAR"
 253          ,(make-pathname :host "scratch"
 254                          :directory '(:relative "foo")
 255                          :name "bar")
 256          #p"/aaa/bbb/ccc/ddd/eee")
 257         (#p"SCRATCH:AAA;BBB;CCC;FOO;BAR"
 258          ,(make-pathname :host "scratch"
 259                          :directory '(:relative :back "foo")
 260                          :name "bar")
 261          #p"/aaa/bbb/ccc/ddd/eee")
 262         (#p"SCRATCH:ABSOLUTE;PATH;NAME.TYPE"
 263          #p"scratch:absolute;path;name" #p"/dir/default-name.type")
 264
 265         ;; FIXME: test version handling in LPNs
 266         )
 267       do (assert (string= (namestring (apply #'merge-pathnames params))
 268                           (namestring expected-result))))
 269 \f
 270 ;;; host-namestring testing
 271 (assert (string=
 272          (namestring (parse-namestring "/foo" (host-namestring #p"/bar")))
 273          "/foo"))
 274 (assert (string=
 275          (namestring (parse-namestring "FOO" (host-namestring #p"SCRATCH:BAR")))
 276          "SCRATCH:FOO"))
 277 (assert (raises-error?
 278          (setf (logical-pathname-translations "")
 279                (list '("**;*.*.*" "/**/*.*")))))
 280 \f
 281 ;;; Bug 200: translate-logical-pathname is according to the spec supposed
 282 ;;; not to give errors if asked to translate a namestring for a valid
 283 ;;; physical pathname.  Failed in 0.7.7.28 and before
 284 (assert (string= (namestring (translate-logical-pathname "/")) "/"))
 285
 286 \f
 287 ;;; Not strictly pathname logic testing, but until sbcl-0.7.6.19 we
 288 ;;; had difficulty with non-FILE-STREAM stream arguments to pathname
 289 ;;; functions (they would cause memory protection errors).  Make sure
 290 ;;; that those errors are gone:
 291 (assert (raises-error? (pathname (make-string-input-stream "FOO"))
 292                        type-error))
 293 (assert (raises-error? (merge-pathnames (make-string-output-stream))
 294                        type-error))
 295 \f
 296 ;;;; success
 297 (quit :unix-status 104)