test/automated/package-test.el

   1 ;;; package-test.el --- Tests for the Emacs package system
   2
   3 ;; Copyright (C) 2013-2014 Free Software Foundation, Inc.
   4
   5 ;; Author: Daniel Hackney <dan@haxney.org>
   6 ;; Version: 1.0
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;; You may want to run this from a separate Emacs instance from your
  26 ;; main one, because a bug in the code below could mess with your
  27 ;; installed packages.
  28
  29 ;; Run this in a clean Emacs session using:
  30 ;;
  31 ;;     $ emacs -Q --batch -L . -l package-test.el -l ert -f ert-run-tests-batch-and-exit
  32
  33 ;;; Code:
  34
  35 (require 'package)
  36 (require 'ert)
  37 (require 'cl-lib)
  38
  39 (defvar package-test-user-dir nil
  40   "Directory to use for installing packages during testing.")
  41
  42 (defvar package-test-file-dir (file-name-directory (or load-file-name
  43                                                        buffer-file-name))
  44   "Directory of the actual \"package-test.el\" file.")
  45
  46 (defvar simple-single-desc
  47   (package-desc-create :name 'simple-single
  48                        :version '(1 3)
  49                        :summary "A single-file package with no dependencies"
  50                        :kind 'single
  51                        :extras '((:url . "http://doodles.au")))
  52   "Expected `package-desc' parsed from simple-single-1.3.el.")
  53
  54 (defvar simple-depend-desc
  55   (package-desc-create :name 'simple-depend
  56                        :version '(1 0)
  57                        :summary "A single-file package with a dependency."
  58                        :kind 'single
  59                        :reqs '((simple-single (1 3))))
  60   "Expected `package-desc' parsed from simple-depend-1.0.el.")
  61
  62 (defvar multi-file-desc
  63   (package-desc-create :name 'multi-file
  64                        :version '(0 2 3)
  65                        :summary "Example of a multi-file tar package"
  66                        :kind 'tar
  67                        :extras '((:url . "http://puddles.li")))
  68   "Expected `package-desc' from \"multi-file-0.2.3.tar\".")
  69
  70 (defvar new-pkg-desc
  71   (package-desc-create :name 'new-pkg
  72                        :version '(1 0)
  73                        :kind 'single)
  74   "Expected `package-desc' parsed from new-pkg-1.0.el.")
  75
  76 (defvar package-test-data-dir (expand-file-name "data/package" package-test-file-dir)
  77   "Base directory of package test files.")
  78
  79 (defvar package-test-fake-contents-file
  80   (expand-file-name "archive-contents" package-test-data-dir)
  81   "Path to a static copy of \"archive-contents\".")
  82
  83 (cl-defmacro with-package-test ((&optional &key file
  84                                            basedir
  85                                            install
  86                                            update-news
  87                                            upload-base)
  88                                 &rest body)
  89   "Set up temporary locations and variables for testing."
  90   (declare (indent 1))
  91   `(let* ((package-test-user-dir (make-temp-file "pkg-test-user-dir-" t))
  92           (package-user-dir package-test-user-dir)
  93           (package-archives `(("gnu" . ,package-test-data-dir)))
  94           (old-yes-no-defn (symbol-function 'yes-or-no-p))
  95           (default-directory package-test-file-dir)
  96           package--initialized
  97           package-alist
  98           ,@(if update-news
  99                 '(package-update-news-on-upload t)
 100               (list (cl-gensym)))
 101           ,@(if upload-base
 102                 '((package-test-archive-upload-base (make-temp-file "pkg-archive-base-" t))
 103                   (package-archive-upload-base package-test-archive-upload-base))
 104               (list (cl-gensym)))) ;; Dummy value so `let' doesn't try to bind `nil'
 105      (unwind-protect
 106          (progn
 107            ,(if basedir `(cd ,basedir))
 108            (setf (symbol-function 'yes-or-no-p) #'(lambda (&rest r) t))
 109            (unless (file-directory-p package-user-dir)
 110              (mkdir package-user-dir))
 111            ,@(when install
 112                `((package-initialize)
 113                  (package-refresh-contents)
 114                  (mapc 'package-install ,install)))
 115            (with-temp-buffer
 116              ,(if file
 117                   `(insert-file-contents ,file))
 118              ,@body))
 119
 120        (when (file-directory-p package-test-user-dir)
 121          (delete-directory package-test-user-dir t))
 122
 123        (when (and (boundp 'package-test-archive-upload-base)
 124                   (file-directory-p package-test-archive-upload-base))
 125          (delete-directory package-test-archive-upload-base t))
 126        (setf (symbol-function 'yes-or-no-p) old-yes-no-defn))))
 127
 128 (defmacro with-fake-help-buffer (&rest body)
 129   "Execute BODY in a temp buffer which is treated as the \"*Help*\" buffer."
 130   `(with-temp-buffer
 131     (help-mode)
 132     ;; Trick `help-buffer' into using the temp buffer.
 133     (let ((help-xref-following t))
 134       ,@body)))
 135
 136 (defun package-test-strip-version (dir)
 137   (replace-regexp-in-string "-pkg\\.el\\'" "" (package--description-file dir)))
 138
 139 (defun package-test-suffix-matches (base suffix-list)
 140   "Return file names matching BASE concatenated with each item in SUFFIX-LIST"
 141   (cl-mapcan
 142    '(lambda (item) (file-expand-wildcards (concat base item)))
 143    suffix-list))
 144
 145 (defvar tar-parse-info)
 146 (declare-function tar-header-name "tar-mode" (cl-x) t) ; defstruct
 147
 148 (defun package-test-search-tar-file (filename)
 149   "Search the current buffer's `tar-parse-info' variable for FILENAME.
 150
 151 Must called from within a `tar-mode' buffer."
 152   (cl-dolist (header tar-parse-info)
 153     (let ((tar-name (tar-header-name header)))
 154       (when (string= tar-name filename)
 155         (cl-return t)))))
 156
 157 (defun package-test-desc-version-string (desc)
 158   "Return the package version as a string."
 159   (package-version-join (package-desc-version desc)))
 160
 161 (ert-deftest package-test-desc-from-buffer ()
 162   "Parse an elisp buffer to get a `package-desc' object."
 163   (with-package-test (:basedir "data/package" :file "simple-single-1.3.el")
 164     (should (equal (package-buffer-info) simple-single-desc)))
 165   (with-package-test (:basedir "data/package" :file "simple-depend-1.0.el")
 166     (should (equal (package-buffer-info) simple-depend-desc)))
 167   (with-package-test (:basedir "data/package"
 168                                :file "multi-file-0.2.3.tar")
 169     (tar-mode)
 170     (should (equal (package-tar-file-info) multi-file-desc))))
 171
 172 (ert-deftest package-test-install-single ()
 173   "Install a single file without using an archive."
 174   (with-package-test (:basedir "data/package" :file "simple-single-1.3.el")
 175     (should (package-install-from-buffer))
 176     (package-initialize)
 177     (should (package-installed-p 'simple-single))
 178     (let* ((simple-pkg-dir (file-name-as-directory
 179                             (expand-file-name
 180                              "simple-single-1.3"
 181                              package-test-user-dir)))
 182            (autoloads-file (expand-file-name "simple-single-autoloads.el"
 183                                              simple-pkg-dir)))
 184       (should (file-directory-p simple-pkg-dir))
 185       (with-temp-buffer
 186         (insert-file-contents (expand-file-name "simple-single-pkg.el"
 187                                                 simple-pkg-dir))
 188         (should (string= (buffer-string)
 189                          (concat "(define-package \"simple-single\" \"1.3\" "
 190                                  "\"A single-file package "
 191                                  "with no dependencies\" 'nil "
 192                                  ":url \"http://doodles.au\""
 193                                  ")\n"))))
 194       (should (file-exists-p autoloads-file))
 195       (should-not (get-file-buffer autoloads-file)))))
 196
 197 (ert-deftest package-test-install-dependency ()
 198   "Install a package which includes a dependency."
 199   (with-package-test ()
 200     (package-initialize)
 201     (package-refresh-contents)
 202     (package-install 'simple-depend)
 203     (should (package-installed-p 'simple-single))
 204     (should (package-installed-p 'simple-depend))))
 205
 206 (ert-deftest package-test-refresh-contents ()
 207   "Parse an \"archive-contents\" file."
 208   (with-package-test ()
 209     (package-initialize)
 210     (package-refresh-contents)
 211     (should (eq 3 (length package-archive-contents)))))
 212
 213 (ert-deftest package-test-install-single-from-archive ()
 214   "Install a single package from a package archive."
 215   (with-package-test ()
 216     (package-initialize)
 217     (package-refresh-contents)
 218     (package-install 'simple-single)))
 219
 220 (ert-deftest package-test-install-multifile ()
 221   "Check properties of the installed multi-file package."
 222   (with-package-test (:basedir "data/package" :install '(multi-file))
 223     (let ((autoload-file
 224            (expand-file-name "multi-file-autoloads.el"
 225                              (expand-file-name
 226                               "multi-file-0.2.3"
 227                               package-test-user-dir)))
 228           (installed-files '("dir" "multi-file.info" "multi-file-sub.elc"
 229                              "multi-file-autoloads.el" "multi-file.elc"))
 230           (autoload-forms '("^(defvar multi-file-custom-var"
 231                             "^(custom-autoload 'multi-file-custom-var"
 232                             "^(autoload 'multi-file-mode"))
 233           (pkg-dir (file-name-as-directory
 234                     (expand-file-name
 235                      "multi-file-0.2.3"
 236                      package-test-user-dir))))
 237       (package-refresh-contents)
 238       (should (package-installed-p 'multi-file))
 239       (with-temp-buffer
 240         (insert-file-contents-literally autoload-file)
 241         (dolist (fn installed-files)
 242           (should (file-exists-p (expand-file-name fn pkg-dir))))
 243         (dolist (re autoload-forms)
 244           (goto-char (point-min))
 245           (should (re-search-forward re nil t)))))))
 246
 247 (ert-deftest package-test-update-listing ()
 248   "Ensure installed package status is updated."
 249   (with-package-test ()
 250     (let ((buf (package-list-packages)))
 251       (search-forward-regexp "^ +simple-single")
 252       (package-menu-mark-install)
 253       (package-menu-execute)
 254       (should (package-installed-p 'simple-single))
 255       (switch-to-buffer "*Packages*")
 256       (goto-char (point-min))
 257       (should (re-search-forward "^\\s-+simple-single\\s-+1.3\\s-+unsigned" nil t))
 258       (goto-char (point-min))
 259       (should-not (re-search-forward "^\\s-+simple-single\\s-+1.3\\s-+\\(available\\|new\\)" nil t))
 260       (kill-buffer buf))))
 261
 262 (ert-deftest package-test-update-archives ()
 263   "Test updating package archives."
 264   (with-package-test ()
 265     (let ((buf (package-list-packages)))
 266       (package-menu-refresh)
 267       (search-forward-regexp "^ +simple-single")
 268       (package-menu-mark-install)
 269       (package-menu-execute)
 270       (should (package-installed-p 'simple-single))
 271       (let ((package-test-data-dir
 272              (expand-file-name "data/package/newer-versions" package-test-file-dir)))
 273         (setq package-archives `(("gnu" . ,package-test-data-dir)))
 274         (package-menu-refresh)
 275
 276         ;; New version should be available and old version should be installed
 277         (goto-char (point-min))
 278         (should (re-search-forward "^\\s-+simple-single\\s-+1.4\\s-+new" nil t))
 279         (should (re-search-forward "^\\s-+simple-single\\s-+1.3\\s-+unsigned" nil t))
 280
 281         (goto-char (point-min))
 282         (should (re-search-forward "^\\s-+new-pkg\\s-+1.0\\s-+\\(available\\|new\\)" nil t))
 283
 284         (package-menu-mark-upgrades)
 285         (package-menu-execute)
 286         (package-menu-refresh)
 287         (should (package-installed-p 'simple-single '(1 4)))))))
 288
 289 (ert-deftest package-test-describe-package ()
 290   "Test displaying help for a package."
 291
 292   (require 'finder-inf)
 293   ;; Built-in
 294   (with-fake-help-buffer
 295    (describe-package '5x5)
 296    (goto-char (point-min))
 297    (should (search-forward "5x5 is a built-in package." nil t))
 298    (should (search-forward "Status: Built-in." nil t))
 299    (should (search-forward "Summary: simple little puzzle game" nil t))
 300    (should (search-forward "The aim of 5x5" nil t)))
 301
 302   ;; Installed
 303   (with-package-test ()
 304     (package-initialize)
 305     (package-refresh-contents)
 306     (package-install 'simple-single)
 307     (with-fake-help-buffer
 308      (describe-package 'simple-single)
 309      (goto-char (point-min))
 310      (should (search-forward "simple-single is an unsigned package." nil t))
 311      (should (search-forward
 312               (format "Status: Installed in `%s/' (unsigned)."
 313                       (expand-file-name "simple-single-1.3" package-user-dir))
 314               nil t))
 315      (should (search-forward "Version: 1.3" nil t))
 316      (should (search-forward "Summary: A single-file package with no dependencies"
 317                              nil t))
 318      (should (search-forward "Homepage: http://doodles.au" nil t))
 319      ;; No description, though. Because at this point we don't know
 320      ;; what archive the package originated from, and we don't have
 321      ;; its readme file saved.
 322      )))
 323
 324 (ert-deftest package-test-describe-non-installed-package ()
 325   "Test displaying of the readme for non-installed package."
 326
 327   (with-package-test ()
 328     (package-initialize)
 329     (package-refresh-contents)
 330     (with-fake-help-buffer
 331      (describe-package 'simple-single)
 332      (goto-char (point-min))
 333      (should (search-forward "Homepage: http://doodles.au" nil t))
 334      (should (search-forward "This package provides a minor mode to frobnicate"
 335                              nil t)))))
 336
 337 (ert-deftest package-test-describe-non-installed-multi-file-package ()
 338   "Test displaying of the readme for non-installed multi-file package."
 339
 340   (with-package-test ()
 341     (package-initialize)
 342     (package-refresh-contents)
 343     (with-fake-help-buffer
 344      (describe-package 'multi-file)
 345      (goto-char (point-min))
 346      (should (search-forward "Homepage: http://puddles.li" nil t))
 347      (should (search-forward "This is a bare-bones readme file for the multi-file"
 348                              nil t)))))
 349
 350 (ert-deftest package-test-signed ()
 351   "Test verifying package signature."
 352   :expected-result (condition-case nil
 353                        (progn
 354                          (epg-check-configuration (epg-configuration))
 355                          :passed)
 356                      (error :failed))
 357   (let* ((keyring (expand-file-name "key.pub" package-test-data-dir))
 358          (package-test-data-dir
 359            (expand-file-name "data/package/signed" package-test-file-dir)))
 360     (with-package-test ()
 361       (package-initialize)
 362       (package-import-keyring keyring)
 363       (package-refresh-contents)
 364       (should (package-install 'signed-good))
 365       (should-error (package-install 'signed-bad))
 366       ;; Check if the installed package status is updated.
 367       (let ((buf (package-list-packages)))
 368         (package-menu-refresh)
 369         (should (re-search-forward "^\\s-+signed-good\\s-+1\\.0\\s-+installed"
 370                                    nil t)))
 371       ;; Check if the package description is updated.
 372       (with-fake-help-buffer
 373        (describe-package 'signed-good)
 374        (goto-char (point-min))
 375        (should (search-forward "signed-good is an installed package." nil t))
 376        (should (search-forward
 377                 (format "Status: Installed in `%s/'."
 378                         (expand-file-name "signed-good-1.0" package-user-dir))
 379                 nil t))))))
 380
 381 (provide 'package-test)
 382
 383 ;;; package-test.el ends here