racket/pkgs/racket-test-core/tests/racket/filelib.rktl

377 lines
14 KiB
Racket

(load-relative "loadtest.rktl")
(Section 'filelib)
(require racket/file
racket/system
racket/list)
(define tmp-dir (make-temporary-file "filelib~a" 'directory))
(define tmp-name (build-path tmp-dir "tmp0-filelib"))
(when (file-exists? tmp-name) (delete-file tmp-name))
(display-lines-to-file '("a" "b" "c") tmp-name #:separator #"\r\n" #:mode 'binary)
(test '(a b c) file->list tmp-name)
(test '("a\r" "b\r" "c\r") file->list tmp-name read-line)
(test '("a" "b" "c") file->list tmp-name (lambda (p) (read-line p 'any)))
(test "a\r\nb\r\nc\r\n" file->string tmp-name #:mode 'binary)
(test #"a\r\nb\r\nc\r\n" file->bytes tmp-name)
(test '("a" "b" "c") file->lines tmp-name)
(test '(#"a" #"b" #"c") file->bytes-lines tmp-name)
(test '("a" "b" "c") file->lines tmp-name #:line-mode 'any #:mode 'binary)
(test '(#"a" #"b" #"c") file->bytes-lines tmp-name #:line-mode 'any #:mode 'text)
(err/rt-test (display-to-file #"a\nb" tmp-name) exn:fail:filesystem:exists?)
(display-to-file #"a\nb" tmp-name #:exists 'truncate)
(test #"a\nb" file->bytes tmp-name)
(display-to-file "\u03BB" tmp-name #:exists 'truncate)
(test #"\316\273" file->bytes tmp-name)
(write-to-file "\u03BB" tmp-name #:exists 'truncate)
(test #"\"\316\273\"" file->bytes tmp-name)
(test "\u03BB" file->value tmp-name)
(when (file-exists? tmp-name) (delete-file tmp-name))
(delete-directory tmp-dir)
(define-syntax-rule (err/rt-chk-test (op arg ...))
(err/rt-test (op arg ...) (check-msg 'op)))
(define (check-msg op)
(lambda (exn)
(regexp-match (format "^~a: " op) (exn-message exn))))
(err/rt-chk-test (file->string 'x))
(err/rt-chk-test (file->bytes 'x))
(err/rt-chk-test (file->string "x" #:mode 'other))
(err/rt-chk-test (file->bytes "x" #:mode 'other))
(err/rt-chk-test (file->value "x" #:mode 'other))
(err/rt-chk-test (display-lines-to-file 10 "x"))
(err/rt-chk-test (display-lines-to-file '(10) "x" #:mode 'other))
(err/rt-chk-test (display-lines-to-file '(10) "x" #:exists 'other))
(err/rt-chk-test (file->lines "x" #:line-mode 'junk))
(err/rt-chk-test (file->lines "x" #:mode 'other))
(err/rt-chk-test (file->bytes-lines "x" #:line-mode 'junk))
(err/rt-chk-test (file->bytes-lines "x" #:mode 'other))
(err/rt-chk-test (display-to-file "y" "x" #:exists 'other))
(err/rt-chk-test (display-to-file "y" "x" #:mode 'other))
(err/rt-chk-test (write-to-file #"y" "x" #:exists 'other))
(err/rt-chk-test (write-to-file #"y" "x" #:mode 'other))
(err/rt-chk-test (display-lines-to-file 'y "x"))
(err/rt-chk-test (display-lines-to-file '(y) "x" #:exists 'other))
(err/rt-chk-test (display-lines-to-file '(y) "x" #:mode 'other))
;; ----------------------------------------
(parameterize ([current-directory (current-load-relative-directory)])
(let ([rel (find-files values)]
[abs (find-files values (current-directory))])
(test #t = (length rel) (sub1 (length abs)))
(test #f member "filelib.rktl" abs)
(test #f null? (member "filelib.rktl" rel))
(test #f null? (member (build-path (current-directory) "filelib.rktl") abs))
(test (list (string->path "filelib.rktl")) find-files (lambda (f) (regexp-match "^filelib[.]rktl$" (path->string f))))
(test (list (build-path (current-directory) "filelib.rktl"))
find-files (lambda (f) (regexp-match "filelib[.]rktl$" (path->string f)))
(current-directory))
;; check that path as string gives paths (not strings) to checker and result:
(test (list (current-directory)
(build-path (current-directory) "filelib.rktl"))
find-files (lambda (f) (or (equal? f (current-directory))
(regexp-match "filelib[.]rktl$" (path->string f))))
(path->string (current-directory)))
(let ([rel2 (fold-files (lambda (name kind accum)
(test kind name (if (file-exists? name)
'file
'dir))
(cons name accum))
null)]
[sort (lambda (l)
(sort l (lambda (a b)
(bytes<? (path->bytes a) (path->bytes b)))))])
(test #t equal? (sort rel) (sort rel2))
(unless (eq? (system-type) 'windows)
(define tmp-dir (make-temporary-file "filelib~a" 'directory))
(define (touch . elems)
(call-with-output-file
(apply build-path elems)
void))
(copy-file "filelib.rktl" (build-path tmp-dir "filelib.rktl"))
(make-directory (build-path tmp-dir "sub"))
(touch tmp-dir "a")
(touch tmp-dir "b")
(touch tmp-dir "sub" "x")
(parameterize ([current-directory tmp-dir])
(define rel2 (fold-files (lambda (name kind accum)
(test kind name (if (file-exists? name)
'file
'dir))
(cons name accum))
null))
(make-file-or-directory-link "filelib.rktl" "filelib-link")
(make-file-or-directory-link "." "loop-link")
(test (+ 2 (length rel2))
fold-files
(lambda (name kind accum)
(test kind values (cond
[(link-exists? name) 'link]
[(file-exists? name) 'file]
[(directory-exists? name) 'dir]
[else '???]))
(when (member name '("filelib-link" "loop-link"))
(test kind name 'link))
(add1 accum))
0
#f
#f)
(test (+ 2 (length rel2))
fold-files
(lambda (name kind accum)
(test kind values (cond
[(link-exists? name) 'link]
[(file-exists? name) 'file]
[(directory-exists? name) 'dir]
[else '???]))
(when (member name '("filelib-link" "loop-link"))
(test kind name 'link))
(values (add1 accum) #t))
0
#f
#f)
(delete-file "loop-link")
(test (+ 1 (length rel2))
fold-files
(lambda (name kind accum)
(test kind values (cond
[(file-exists? name) 'file]
[else 'dir]))
(when (member name '("filelib-link"))
(test kind name 'file))
(add1 accum))
0
#f
#t)
(delete-file "filelib-link")
'done)
(delete-directory/files tmp-dir)))))
;; ----------------------------------------
;;----------------------------------------------------------------------
;; File Locks
(define tempfile (make-temporary-file))
(err/rt-test (call-with-file-lock/timeout 10 'shared (lambda () #t) (lambda () #f)))
(err/rt-test (call-with-file-lock/timeout tempfile 'bogus (lambda () #t) (lambda () #f)))
(err/rt-test (call-with-file-lock/timeout tempfile 'shared (lambda (x) #t) (lambda () #f)))
(err/rt-test (call-with-file-lock/timeout tempfile 'exclusive (lambda () #t) (lambda (x) #f)))
(test #t call-with-file-lock/timeout tempfile 'shared (lambda () #t) (lambda () #f))
(test #t call-with-file-lock/timeout tempfile 'exclusive (lambda () #t) (lambda () #f))
(err/rt-test (call-with-file-lock/timeout tempfile 'exclusive (lambda ()
(call-with-file-lock/timeout tempfile 'exclusive (lambda () #f) (lambda () (error))))
(lambda () 'uhoh)))
(err/rt-test (call-with-file-lock/timeout tempfile 'exclusive (lambda ()
(call-with-file-lock/timeout tempfile 'shared (lambda () #f) (lambda () (error))))
(lambda () 'uhon)))
(err/rt-test (call-with-file-lock/timeout tempfile 'shared (lambda ()
(call-with-file-lock/timeout tempfile 'exclusive (lambda () #f) (lambda () (error))))
(lambda () 'uhoh)))
(test #t call-with-file-lock/timeout tempfile 'shared (lambda ()
(call-with-file-lock/timeout tempfile 'shared (lambda () #t) (lambda () #f)))
(lambda () 'uhoh))
(test (string->path (if (eq? (system-type) 'windows) "_LOCKstuff" ".LOCKstuff"))
make-lock-file-name
"stuff")
(test (string->path (if (eq? (system-type) 'windows) "_LOCKstuff" ".LOCKstuff"))
make-lock-file-name
"stuff")
(test (build-path "dir" (if (eq? (system-type) 'windows) "_LOCKstuff" ".LOCKstuff"))
make-lock-file-name
(build-path "dir" "stuff"))
(test (build-path "dir" (if (eq? (system-type) 'windows) "_LOCKstuff" ".LOCKstuff"))
make-lock-file-name
"dir"
(string->path "stuff"))
(delete-file tempfile)
(delete-file (make-lock-file-name tempfile))
;;----------------------------------------------------------------------
;; Atomic output
(define (try-atomic-output fn)
(call-with-output-file*
fn
#:exists 'truncate
(lambda (o) (display "()" o)))
(define ts
(append
;; Writers
(for/list ([i 10])
(thread (lambda ()
(for ([j 100])
(call-with-atomic-output-file
fn
(lambda (o tmp-path)
(test (or (path-only fn) (current-directory))
path-only tmp-path)
(display "(" o)
(flush-output o)
(sync (system-idle-evt))
(display ")" o)))))))
;; Readers
(for/list ([i 10])
(thread (lambda ()
(for ([j 100])
(sync (system-idle-evt))
(test '() call-with-input-file fn read)))))))
(for-each sync ts)
(delete-file fn))
(try-atomic-output (make-temporary-file))
;; The user's add-on directory should be writable and might be a
;; different filesystem, so try that:
(let ([addon-dir (find-system-path 'addon-dir)])
(make-directory* addon-dir)
(parameterize ([current-directory addon-dir])
(try-atomic-output (format "atomic-output-~a" (current-inexact-milliseconds)))))
;; ----------------------------------------
(let ([dir (make-temporary-file "pathlist~a" 'directory)])
(define parents
(let loop ([dir dir])
(define-values (base name dir?) (split-path dir))
(if (path? base)
(append (loop base) (list (path->directory-path dir)))
(list dir))))
(define (p . args)
(maybe-as-directory
args
(apply build-path dir args)))
(define (maybe-as-directory args p)
(if (regexp-match? #rx"^d" (last args))
(path->directory-path p)
p))
(define (touch f)
(call-with-output-file* f void))
(touch (p "f1"))
(make-directory (p "d1"))
(make-directory (p "d2"))
(touch (p "d1" "f1"))
(touch (p "d2" "f1"))
(touch (p "d2" "f2"))
(unless (eq? 'windows (system-type))
(make-file-or-directory-link "d1" (p "l3"))
(make-file-or-directory-link "l3" (p "l4"))
(make-directory (p "d5"))
(make-file-or-directory-link (build-path 'up "d2" "f1") (p "d5" "l5")))
(make-directory (p "d6"))
(touch (p "d6" "f1"))
(make-directory (p "d6" "d7"))
(touch (p "d6" "d7" "f1"))
(touch (p "d6" "d7" "f2"))
(define (check p parents)
(test (append
parents
(list (p "d1")
(p "d1" "f1")))
pathlist-closure
(list (p "d1")))
(test (append
parents
(list (p "d1")
(p "d1" "f1")
(p "f1")))
pathlist-closure
(list (p "d1")
(p "f1")))
(test (append
parents
(list (p "d1")
(p "d2")
(p "d2" "f2")))
pathlist-closure
(list (p "d1")
(p "d2"))
#:path-filter (lambda (f) (not (regexp-match? #rx"f1$" f))))
(test (append
parents
(list (p "d1")
(p "d1" "f1")
(p "d2")
(p "d2" "f2")))
pathlist-closure
(list (p "d1")
(p "d1" "f1")
(p "d2"))
#:path-filter (lambda (f) (not (regexp-match? #rx"f1$" f))))
(test (append
parents
(list (p "d6")
(p "d6" "f1")))
pathlist-closure
(list (p "d6"))
#:path-filter (lambda (f) (not (regexp-match? #rx"d7$" f))))
(unless (eq? 'windows (system-type))
(test (append
parents
(list (p "l3")))
pathlist-closure
(list (p "l3")))
(test (append
parents
(list (p "l4")))
pathlist-closure
(list (p "l4")))
(test (append
parents
(list (p "d5")
(p "d5" "l5")))
pathlist-closure
(list (p "d5" "l5")))
(test (append
parents
(list (p "d1")
(p "d1" "f1")))
pathlist-closure
(list (p "l3"))
#:follow-links? #t)
(test (append
parents
(list (p "d1")
(p "d1" "f1")))
pathlist-closure
(list (p "l4"))
#:follow-links? #t)
(test (append
parents
(list (p "d2")
(p "d2" "f1")))
pathlist-closure
(list (p "d5" "l5"))
#:follow-links? #t)))
(parameterize ([current-directory dir])
(check (lambda args (maybe-as-directory args (apply build-path args))) null))
(check p parents)
(delete-directory/files dir))
;; ----------------------------------------
(report-errs)