X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-simple-streams%2Fsimple-stream-tests.lisp;h=6515a947966720fc87701eb4d830d8bb54adbea7;hb=dcf5978d9d33098e868ae6eea28e1b310038c03d;hp=9664814ab8a811779fdb723570250834c9881322;hpb=ac85367426b222612311c5cf7b061ff89c64d825;p=sbcl.git diff --git a/contrib/sb-simple-streams/simple-stream-tests.lisp b/contrib/sb-simple-streams/simple-stream-tests.lisp index 9664814..6515a94 100644 --- a/contrib/sb-simple-streams/simple-stream-tests.lisp +++ b/contrib/sb-simple-streams/simple-stream-tests.lisp @@ -6,70 +6,305 @@ (in-package #:sb-simple-streams-test) -(defparameter *dumb-string* "This file created by simple-stream-tests.lisp. Nothing to see here, move along.") +(defparameter *dumb-string* + "This file was created by simple-stream-tests.lisp. Nothing to see here, move along.") -(defparameter *test-path* (merge-pathnames - (make-pathname :name nil :type nil :version nil) - *load-truename*)) +(defparameter *test-path* + (merge-pathnames (make-pathname :name :unspecific :type :unspecific + :version :unspecific) + *load-truename*) + "Directory for temporary test files.") + +(defparameter *test-file* + (merge-pathnames #p"test-data.txt" *test-path*)) + +(eval-when (:load-toplevel) (ensure-directories-exist *test-path* :verbose t)) + +;;; Non-destructive functional analog of REMF +(defun remove-key (key list) + (loop for (current-key val . rest) on list by #'cddr + until (eql current-key key) + collect current-key into result + collect val into result + finally (return (nconc result rest)))) + +(defmacro with-test-file ((stream file &rest open-arguments + &key (delete-afterwards t) + initial-content + &allow-other-keys) + &body body) + (setq open-arguments (remove-key :delete-afterwards open-arguments)) + (setq open-arguments (remove-key :initial-content open-arguments)) + (if initial-content + (let ((create-file-stream (gensym))) + `(progn + (with-open-file (,create-file-stream ,file :direction :output + :if-exists :supersede + :if-does-not-exist :create) + (write-sequence ,initial-content ,create-file-stream)) + (unwind-protect + (with-open-file (,stream ,file ,@open-arguments) + (progn ,@body)) + ,(when delete-afterwards `(ignore-errors (delete-file ,file)))))) + `(unwind-protect + (with-open-file (,stream ,file ,@open-arguments) + (progn ,@body)) + ,(when delete-afterwards `(ignore-errors (delete-file ,file)))))) -(eval-when (:load-toplevel) (ensure-directories-exist *test-path*)) (deftest create-file-1 - (let* ((file (merge-pathnames #p"test-data.txt" *test-path*)) - (stream-object (make-instance 'file-simple-stream - :filename file - :direction :output - :if-exists :overwrite))) + ;; Create a file-simple-stream, write data. (prog1 - (with-open-stream (s stream-object) - (string= (write-string *dumb-string* s) *dumb-string*)) - (delete-file file))) + (with-open-stream (s (make-instance 'file-simple-stream + :filename *test-file* + :direction :output + :if-exists :overwrite + :if-does-not-exist :create)) + (string= (write-string *dumb-string* s) *dumb-string*)) + (delete-file *test-file*)) t) (deftest create-file-2 - (let ((file (merge-pathnames #p"test-data.txt" *test-path*))) - (prog1 - (with-open-file (s file - :class 'file-simple-stream - :direction :output :if-exists :overwrite) - (string= (write-string *dumb-string* s) *dumb-string*)) - (delete-file file))) + ;; Create a file-simple-stream via :class argument to open, write data. + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :output :if-exists :overwrite + :if-does-not-exist :create) + (string= (write-string *dumb-string* s) *dumb-string*)) t) (deftest create-read-file-1 - (let ((result t) - (file (merge-pathnames #p"test-data.txt" *test-path*))) - (let ((stream-object (make-instance 'file-simple-stream - :filename file - :direction :output - :if-exists :overwrite))) - (with-open-stream (s stream-object) - (setf result (and result (string= (write-string *dumb-string* s) - *dumb-string*))) - (terpri s))) - (let ((stream-object (make-instance 'file-simple-stream - :filename file - :direction :input))) - (with-open-stream (s stream-object) - (setf result (and result (string= (read-line s) *dumb-string*))))) + ;; Via file-simple-stream objects, write and then re-read data. + (let ((result t)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :output :if-exists :overwrite + :if-does-not-exist :create :delete-afterwards nil) + (write-line *dumb-string* s) + (setf result (and result (string= (write-string *dumb-string* s) + *dumb-string*)))) + + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + ;; Check first line + (multiple-value-bind (string missing-newline-p) + (read-line s) + (setf result (and result (string= string *dumb-string*) + (not missing-newline-p)))) + ;; Check second line + (multiple-value-bind (string missing-newline-p) + (read-line s) + (setf result (and result (string= string *dumb-string*) + missing-newline-p)))) result) t) (deftest create-read-mapped-file-1 - (let ((result t) - (file (merge-pathnames #p"test-data.txt" *test-path*))) - (with-open-file (s file - :class 'file-simple-stream - :direction :output :if-exists :overwrite) - (setf result (and result (string= (write-string *dumb-string* s) - *dumb-string*)))) - (with-open-file (s file - :class 'mapped-file-simple-stream - :direction :input) - (setf result (and result (string= (read-line s) *dumb-string*)))) - (delete-file file) + ;; Read data via a mapped-file-simple-stream object. + (let ((result t)) + (with-test-file (s *test-file* :class 'mapped-file-simple-stream + :direction :input :if-does-not-exist :error + :initial-content *dumb-string*) + (setf result (and result (string= (read-line s) *dumb-string*)))) result) t) +(deftest write-read-inet + (handler-case + (with-open-stream (s (make-instance 'socket-simple-stream + :remote-host #(127 0 0 1) + :remote-port 7 + :direction :io)) + (string= (prog1 (write-line "Got it!" s) (finish-output s)) + (read-line s))) + (sb-bsd-sockets::connection-refused-error () t)) + t) + +(deftest write-read-large-sc-1 + ;; Do write and read with more data than the buffer will hold + ;; (single-channel simple-stream) + (let* ((stream (make-instance 'file-simple-stream + :filename *test-file* :direction :output + :if-exists :overwrite + :if-does-not-exist :create)) + (content (make-string (1+ (device-buffer-length stream)) + :initial-element #\x))) + (with-open-stream (s stream) + (write-string content s)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + (string= content (read-line s)))) + t) + +(deftest write-read-large-sc-2 + (let* ((stream (make-instance 'file-simple-stream + :filename *test-file* :direction :output + :if-exists :overwrite + :if-does-not-exist :create)) + (length (1+ (* 3 (device-buffer-length stream)))) + (content (make-string length))) + (dotimes (i (length content)) + (setf (aref content i) (code-char (random 256)))) + (with-open-stream (s stream) + (write-string content s)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + (let ((seq (make-string length))) + #+nil (read-sequence seq s) + #-nil (dotimes (i length) + (setf (char seq i) (read-char s))) + (string= content seq)))) + t) + +(deftest write-read-large-sc-3 + (let* ((stream (make-instance 'file-simple-stream + :filename *test-file* :direction :output + :if-exists :overwrite + :if-does-not-exist :create)) + (length (1+ (* 3 (device-buffer-length stream)))) + (content (make-array length :element-type '(unsigned-byte 8)))) + (dotimes (i (length content)) + (setf (aref content i) (random 256))) + (with-open-stream (s stream) + (write-sequence content s)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + (let ((seq (make-array length :element-type '(unsigned-byte 8)))) + #+nil (read-sequence seq s) + #-nil (dotimes (i length) + (setf (aref seq i) (read-byte s))) + (equalp content seq)))) + t) + +(deftest write-read-large-dc-1 + ;; Do write and read with more data than the buffer will hold + ;; (dual-channel simple-stream; we only have socket streams atm) + (handler-case + (let* ((stream (make-instance 'socket-simple-stream + :remote-host #(127 0 0 1) + :remote-port 7 + :direction :io)) + (content (make-string (1+ (device-buffer-length stream)) + :initial-element #\x))) + (with-open-stream (s stream) + (string= (prog1 (write-line content s) (finish-output s)) + (read-line s)))) + (sb-bsd-sockets::connection-refused-error () t)) + t) + + +(deftest file-position-1 + ;; Test reading of file-position + (with-test-file (s *test-file* :class 'file-simple-stream :direction :input + :initial-content *dumb-string*) + (file-position s)) + 0) + +(deftest file-position-2 + ;; Test reading of file-position + (with-test-file (s *test-file* :class 'file-simple-stream :direction :input + :initial-content *dumb-string*) + (read-byte s) + (file-position s)) + 1) + +(deftest file-position-3 + ;; Test reading of file-position in the presence of unsaved data + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :output :if-exists :supersede + :if-does-not-exist :create) + (write-byte 50 s) + (file-position s)) + 1) + +(deftest file-position-4 + ;; Test reading of file-position in the presence of unsaved data and + ;; filled buffer + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-exists :overwrite :if-does-not-exist :create + :initial-content *dumb-string*) + (read-byte s) ; fill buffer + (write-byte 50 s) ; advance file-position + (file-position s)) + 2) + +(deftest file-position-5 + ;; Test file position when opening with :if-exists :append + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-exists :append :if-does-not-exist :create + :initial-content *dumb-string*) + (= (file-length s) (file-position s))) + T) + +(deftest write-read-unflushed-sc-1 + ;; Write something into a single-channel stream and read it back + ;; without explicitly flushing the buffer in-between + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-does-not-exist :create :if-exists :supersede) + (write-char #\x s) + (file-position s :start) + (read-char s)) + #\x) + +(deftest write-read-unflushed-sc-2 + ;; Write something into a single-channel stream, try to read back too much + (handler-case + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :io :if-does-not-exist :create + :if-exists :supersede) + (write-char #\x s) + (file-position s :start) + (read-char s) + (read-char s) + nil) + (end-of-file () t)) + t) + +(deftest write-read-unflushed-sc-3 + ;; Test writing in a buffer filled with previous file contents + (let ((result t)) + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-exists :overwrite :if-does-not-exist :create + :initial-content *dumb-string*) + (setq result (and result (char= (read-char s) (schar *dumb-string* 0)))) + (setq result (and result (= (file-position s) 1))) + (let ((pos (file-position s))) + (write-char #\x s) + (file-position s pos) + (setq result (and result (char= (read-char s) #\x))))) + result) + t) + +(deftest write-read-unflushed-sc-4 + ;; Test flushing of buffers + (progn + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-exists :overwrite :if-does-not-exist :create + :initial-content "Foo" + :delete-afterwards nil) + (read-char s) ; Fill the buffer. + (file-position s :start) ; Change existing data. + (write-char #\X s) + (file-position s :end) ; Extend file. + (write-char #\X s)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + (read-line s))) + "XooX" + T) +(deftest write-read-append-sc-1 + ;; Test writing in the middle of a stream opened in append mode + (progn + (with-test-file (s *test-file* :class 'file-simple-stream :direction :io + :if-exists :append :if-does-not-exist :create + :initial-content "Foo" + :delete-afterwards nil) + (file-position s :start) ; Jump to beginning. + (write-char #\X s) + (file-position s :end) ; Extend file. + (write-char #\X s)) + (with-test-file (s *test-file* :class 'file-simple-stream + :direction :input :if-does-not-exist :error) + (read-line s))) + "XooX" + T)