/usr/share/emacs/site-lisp/erlang/erlang-eunit.el is in erlang-mode 1:17.3-dfsg-4+deb8u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 | ;;
;; %CopyrightBegin%
;;
;; Copyright Ericsson AB 2009-2010. All Rights Reserved.
;;
;; The contents of this file are subject to the Erlang Public License,
;; Version 1.1, (the "License"); you may not use this file except in
;; compliance with the License. You should have received a copy of the
;; Erlang Public License along with this software. If not, it can be
;; retrieved online at http://www.erlang.org/.
;;
;; Software distributed under the License is distributed on an "AS IS"
;; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
;; the License for the specific language governing rights and limitations
;; under the License.
;;
;; %CopyrightEnd%
;;;
;;; Purpose: Provide EUnit utilities.
;;;
;;; Author: Klas Johansson
(eval-when-compile
(require 'cl))
(defvar erlang-eunit-src-candidate-dirs '("../src" ".")
"*Name of directories which to search for source files matching
an EUnit test file. The first directory in the list will be used,
if there is no match.")
(defvar erlang-eunit-test-candidate-dirs '("../test" ".")
"*Name of directories which to search for EUnit test files matching
a source file. The first directory in the list will be used,
if there is no match.")
(defvar erlang-eunit-autosave nil
"*Set to non-nil to automtically save unsaved buffers before running tests.
This is useful, reducing the save-compile-load-test cycle to one keychord.")
(defvar erlang-eunit-recent-info '((mode . nil) (module . nil) (test . nil) (cover . nil))
"Info about the most recent running of an EUnit test representation.")
(defvar erlang-error-regexp-alist
'(("^\\([^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)[:) \t]" . (1 2)))
"*Patterns for matching Erlang errors.")
;;;
;;; Switch between src/EUnit test buffers
;;;
(defun erlang-eunit-toggle-src-and-test-file-other-window ()
"Switch to the src file if the EUnit test file is the current
buffer and vice versa"
(interactive)
(if (erlang-eunit-test-file-p buffer-file-name)
(erlang-eunit-open-src-file-other-window buffer-file-name)
(erlang-eunit-open-test-file-other-window buffer-file-name)))
;;;
;;; Open the EUnit test file which corresponds to a src file
;;;
(defun erlang-eunit-open-test-file-other-window (src-file-path)
"Open the EUnit test file which corresponds to a src file"
(find-file-other-window (erlang-eunit-test-filename src-file-path)))
;;;
;;; Open the src file which corresponds to the an EUnit test file
;;;
(defun erlang-eunit-open-src-file-other-window (test-file-path)
"Open the src file which corresponds to the an EUnit test file"
(find-file-other-window (erlang-eunit-src-filename test-file-path)))
;;; Return the name and path of the EUnit test file
;;, (input may be either the source filename itself or the EUnit test filename)
(defun erlang-eunit-test-filename (file-path)
(if (erlang-eunit-test-file-p file-path)
file-path
(erlang-eunit-rewrite-filename file-path erlang-eunit-test-candidate-dirs)))
;;; Return the name and path of the source file
;;, (input may be either the source filename itself or the EUnit test filename)
(defun erlang-eunit-src-filename (file-path)
(if (erlang-eunit-src-file-p file-path)
file-path
(erlang-eunit-rewrite-filename file-path erlang-eunit-src-candidate-dirs)))
;;; Rewrite a filename from the src or test filename to the other
(defun erlang-eunit-rewrite-filename (orig-file-path candidate-dirs)
(or (erlang-eunit-locate-buddy orig-file-path candidate-dirs)
(erlang-eunit-buddy-file-path orig-file-path (car candidate-dirs))))
;;; Search for a file's buddy file (a source file's EUnit test file,
;;; or an EUnit test file's source file) in a list of candidate
;;; directories.
(defun erlang-eunit-locate-buddy (orig-file-path candidate-dirs)
(when candidate-dirs
(let ((buddy-file-path (erlang-eunit-buddy-file-path
orig-file-path
(car candidate-dirs))))
(if (file-readable-p buddy-file-path)
buddy-file-path
(erlang-eunit-locate-buddy orig-file-path (cdr candidate-dirs))))))
(defun erlang-eunit-buddy-file-path (orig-file-path buddy-dir-name)
(let* ((orig-dir-name (file-name-directory orig-file-path))
(buddy-dir-name (file-truename
(filename-join orig-dir-name buddy-dir-name)))
(buddy-base-name (erlang-eunit-buddy-basename orig-file-path)))
(filename-join buddy-dir-name buddy-base-name)))
;;; Return the basename of the buddy file:
;;; /tmp/foo/src/x.erl --> x_tests.erl
;;; /tmp/foo/test/x_tests.erl --> x.erl
(defun erlang-eunit-buddy-basename (file-path)
(let ((src-module-name (erlang-eunit-source-module-name file-path)))
(cond
((erlang-eunit-src-file-p file-path)
(concat src-module-name "_tests.erl"))
((erlang-eunit-test-file-p file-path)
(concat src-module-name ".erl")))))
;;; Checks whether a file is a source file or not
(defun erlang-eunit-src-file-p (file-path)
(not (erlang-eunit-test-file-p file-path)))
;;; Checks whether a file is a EUnit test file or not
(defun erlang-eunit-test-file-p (file-path)
(erlang-eunit-string-match-p "^\\(.+\\)_tests.erl$" file-path))
;;; Return the module name of the source file
;;; /tmp/foo/src/x.erl --> x
;;; /tmp/foo/test/x_tests.erl --> x
(defun erlang-eunit-source-module-name (file-path)
(interactive)
(let ((module-name (erlang-eunit-module-name file-path)))
(if (string-match "^\\(.+\\)_tests$" module-name)
(substring module-name (match-beginning 1) (match-end 1))
module-name)))
;;; Return the module name of the file
;;; /tmp/foo/src/x.erl --> x
;;; /tmp/foo/test/x_tests.erl --> x_tests
(defun erlang-eunit-module-name (file-path)
(interactive)
(file-name-sans-extension (file-name-nondirectory file-path)))
;;; Older emacsen don't have string-match-p.
(defun erlang-eunit-string-match-p (regexp string &optional start)
(if (fboundp 'string-match-p) ;; appeared in emacs 23
(string-match-p regexp string start)
(save-match-data ;; fallback for earlier versions of emacs
(string-match regexp string start))))
;;; Join filenames
(defun filename-join (dir file)
(if (or (= (elt file 0) ?/)
(= (car (last (append dir nil))) ?/))
(concat dir file)
(concat dir "/" file)))
;;; Get info about the most recent running of EUnit
(defun erlang-eunit-recent (key)
(cdr (assq key erlang-eunit-recent-info)))
;;; Record info about the most recent running of EUnit
;;; Known modes are 'module-mode and 'test-mode
(defun erlang-eunit-record-recent (mode module test)
(setcdr (assq 'mode erlang-eunit-recent-info) mode)
(setcdr (assq 'module erlang-eunit-recent-info) module)
(setcdr (assq 'test erlang-eunit-recent-info) test))
;;; Record whether the most recent running of EUnit included cover
;;; compilation
(defun erlang-eunit-record-recent-compile (under-cover)
(setcdr (assq 'cover erlang-eunit-recent-info) under-cover))
;;; Determine options for EUnit.
(defun erlang-eunit-opts ()
(if current-prefix-arg ", [verbose]" ""))
;;; Determine current test function
(defun erlang-eunit-current-test ()
(save-excursion
(erlang-end-of-function 1)
(erlang-beginning-of-function 1)
(erlang-name-of-function)))
(defun erlang-eunit-simple-test-p (test-name)
(if (erlang-eunit-string-match-p "^\\(.+\\)_test$" test-name) t nil))
(defun erlang-eunit-test-generator-p (test-name)
(if (erlang-eunit-string-match-p "^\\(.+\\)_test_$" test-name) t nil))
;;; Run one EUnit test
(defun erlang-eunit-run-test (module-name test-name)
(let ((command
(cond ((erlang-eunit-simple-test-p test-name)
(format "eunit:test({%s, %s}%s)."
module-name test-name (erlang-eunit-opts)))
((erlang-eunit-test-generator-p test-name)
(format "eunit:test({generator, %s, %s}%s)."
module-name test-name (erlang-eunit-opts)))
(t (format "%% WARNING: '%s' is not a test function" test-name)))))
(erlang-eunit-record-recent 'test-mode module-name test-name)
(erlang-eunit-inferior-erlang-send-command command)))
;;; Run EUnit tests for the current module
(defun erlang-eunit-run-module-tests (module-name)
(let ((command (format "eunit:test(%s%s)." module-name (erlang-eunit-opts))))
(erlang-eunit-record-recent 'module-mode module-name nil)
(erlang-eunit-inferior-erlang-send-command command)))
(defun erlang-eunit-compile-and-run-recent ()
"Compile the source and test files and repeat the most recent EUnit test run.
With prefix arg, compiles for debug and runs tests with the verbose flag set."
(interactive)
(case (erlang-eunit-recent 'mode)
('test-mode
(erlang-eunit-compile-and-test
'erlang-eunit-run-test (list (erlang-eunit-recent 'module)
(erlang-eunit-recent 'test))))
('module-mode
(erlang-eunit-compile-and-test
'erlang-eunit-run-module-tests (list (erlang-eunit-recent 'module))
(erlang-eunit-recent 'cover)))
(t (error "EUnit has not yet been run. Please run a test first."))))
(defun erlang-eunit-cover-compile ()
"Cover compile current module."
(interactive)
(let* ((erlang-compile-extra-opts
(append (list 'debug_info) erlang-compile-extra-opts))
(module-name
(erlang-add-quotes-if-needed
(erlang-eunit-module-name buffer-file-name)))
(compile-command
(format "cover:compile_beam(%s)." module-name)))
(erlang-compile)
(if (erlang-eunit-last-compilation-successful-p)
(erlang-eunit-inferior-erlang-send-command compile-command))))
(defun erlang-eunit-analyze-coverage ()
"Analyze the data collected by cover tool for the module in the
current buffer.
Assumes that the module has been cover compiled prior to this
call. This function will do two things: print the number of
covered and uncovered functions in the erlang shell and display a
new buffer called *<module name> coverage* which shows the source
code along with the coverage analysis results."
(interactive)
(let* ((module-name (erlang-add-quotes-if-needed
(erlang-eunit-module-name buffer-file-name)))
(tmp-filename (make-temp-file "cover"))
(analyze-command (format "cover:analyze_to_file(%s, \"%s\"). "
module-name tmp-filename))
(buf-name (format "*%s coverage*" module-name)))
(erlang-eunit-inferior-erlang-send-command analyze-command)
;; The purpose of the following snippet is to get the result of the
;; analysis from a file into a new buffer (or an old, if one with
;; the specified name already exists). Also we want the erlang-mode
;; *and* view-mode to be enabled.
(save-excursion
(let ((buf (get-buffer-create (format "*%s coverage*" module-name))))
(set-buffer buf)
(setq buffer-read-only nil)
(insert-file-contents tmp-filename nil nil nil t)
(if (= (buffer-size) 0)
(kill-buffer buf)
;; FIXME: this would be a good place to enable (emacs-mode)
;; to get some nice syntax highlighting in the
;; coverage report, but it doesn't play well with
;; flymake. Leave it off for now.
(view-buffer buf))))
(delete-file tmp-filename)))
(defun erlang-eunit-compile-and-run-current-test ()
"Compile the source and test files and run the current EUnit test.
With prefix arg, compiles for debug and runs tests with the verbose flag set."
(interactive)
(let ((module-name (erlang-add-quotes-if-needed
(erlang-eunit-module-name buffer-file-name)))
(test-name (erlang-eunit-current-test)))
(erlang-eunit-compile-and-test
'erlang-eunit-run-test (list module-name test-name))))
(defun erlang-eunit-compile-and-run-module-tests ()
"Compile the source and test files and run all EUnit tests in the module.
With prefix arg, compiles for debug and runs tests with the verbose flag set."
(interactive)
(let ((module-name (erlang-add-quotes-if-needed
(erlang-eunit-source-module-name buffer-file-name))))
(erlang-eunit-compile-and-test
'erlang-eunit-run-module-tests (list module-name))))
;;; Compile source and EUnit test file and finally run EUnit tests for
;;; the current module
(defun erlang-eunit-compile-and-test (test-fun test-args &optional under-cover)
"Compile the source and test files and run the EUnit test suite.
If under-cover is set to t, the module under test is compile for
code coverage analysis. If under-cover is left out or not set,
coverage analysis is disabled. The result of the code coverage
is both printed to the erlang shell (the number of covered vs
uncovered functions in a module) and written to a buffer called
*<module> coverage* (which shows the source code for the module
and the number of times each line is covered).
With prefix arg, compiles for debug and runs tests with the verbose flag set."
(erlang-eunit-record-recent-compile under-cover)
(let ((src-filename (erlang-eunit-src-filename buffer-file-name))
(test-filename (erlang-eunit-test-filename buffer-file-name)))
;; The purpose of out-maneuvering `save-some-buffers', as is done
;; below, is to ask the question about saving buffers only once,
;; instead of possibly several: one for each file to compile,
;; for instance for both x.erl and x_tests.erl.
(save-some-buffers erlang-eunit-autosave)
(flet ((save-some-buffers (&optional any) nil))
;; Compilation of the source file is mandatory (the file must
;; exist, otherwise the procedure is aborted). Compilation of the
;; test file on the other hand, is optional, since eunit tests may
;; be placed in the source file instead. Any compilation error
;; will prevent the subsequent steps to be run (hence the `and')
(and (erlang-eunit-compile-file src-filename under-cover)
(if (file-readable-p test-filename)
(erlang-eunit-compile-file test-filename)
t)
(apply test-fun test-args)
(if under-cover
(save-excursion
(set-buffer (find-file-noselect src-filename))
(erlang-eunit-analyze-coverage)))))))
(defun erlang-eunit-compile-and-run-module-tests-under-cover ()
"Compile the source and test files and run the EUnit test suite and measure
code coverage.
With prefix arg, compiles for debug and runs tests with the verbose flag set."
(interactive)
(let ((module-name (erlang-add-quotes-if-needed
(erlang-eunit-source-module-name buffer-file-name))))
(erlang-eunit-compile-and-test
'erlang-eunit-run-module-tests (list module-name) t)))
(defun erlang-eunit-compile-file (file-path &optional under-cover)
(if (file-readable-p file-path)
(save-excursion
(set-buffer (find-file-noselect file-path))
;; In order to run a code coverage analysis on a
;; module, we have two options:
;;
;; * either compile the module with cover:compile instead of the
;; regular compiler
;;
;; * or first compile the module with the regular compiler (but
;; *with* debug_info) and then compile it for coverage
;; analysis using cover:compile_beam.
;;
;; We could accomplish the first by changing the
;; erlang-compile-erlang-function to cover:compile, but there's
;; a risk that that's used for other purposes. Therefore, a
;; safer alternative (although with more steps) is to add
;; debug_info to the list of compiler options and go for the
;; second alternative.
(if under-cover
(erlang-eunit-cover-compile)
(erlang-compile))
(erlang-eunit-last-compilation-successful-p))
(let ((msg (format "Could not read %s" file-path)))
(erlang-eunit-inferior-erlang-send-command
(format "%% WARNING: %s" msg))
(error msg))))
(defun erlang-eunit-last-compilation-successful-p ()
(save-excursion
(set-buffer inferior-erlang-buffer)
(goto-char compilation-parsing-end)
(erlang-eunit-all-list-elems-fulfill-p
(lambda (re) (let ((continue t)
(result t))
(while continue ; ignore warnings, stop at errors
(if (re-search-forward re (point-max) t)
(if (erlang-eunit-is-compilation-warning)
t
(setq result nil)
(setq continue nil))
(setq result t)
(setq continue nil)))
result))
(mapcar (lambda (e) (car e)) erlang-error-regexp-alist))))
(defun erlang-eunit-is-compilation-warning ()
(erlang-eunit-string-match-p
"[0-9]+: Warning:"
(buffer-substring (line-beginning-position) (line-end-position))))
(defun erlang-eunit-all-list-elems-fulfill-p (pred list)
(let ((matches-p t))
(while (and list matches-p)
(if (not (funcall pred (car list)))
(setq matches-p nil))
(setq list (cdr list)))
matches-p))
;;; Evaluate a command in an erlang buffer
(defun erlang-eunit-inferior-erlang-send-command (command)
"Evaluate a command in an erlang buffer."
(interactive "P")
(inferior-erlang-prepare-for-input)
(inferior-erlang-send-command command)
(sit-for 0) ;; redisplay
(inferior-erlang-wait-prompt))
;;;====================================================================
;;; Key bindings
;;;====================================================================
(defconst erlang-eunit-key-bindings
'(("\C-c\C-et" erlang-eunit-toggle-src-and-test-file-other-window)
("\C-c\C-ek" erlang-eunit-compile-and-run-module-tests)
("\C-c\C-ej" erlang-eunit-compile-and-run-current-test)
("\C-c\C-el" erlang-eunit-compile-and-run-recent)
("\C-c\C-ec" erlang-eunit-compile-and-run-module-tests-under-cover)
("\C-c\C-ev" erlang-eunit-cover-compile)
("\C-c\C-ea" erlang-eunit-analyze-coverage)))
(defun erlang-eunit-add-key-bindings ()
(dolist (binding erlang-eunit-key-bindings)
(erlang-eunit-bind-key (car binding) (cadr binding))))
(defun erlang-eunit-bind-key (key function)
(erlang-eunit-ensure-keymap-for-key key)
(local-set-key key function))
(defun erlang-eunit-ensure-keymap-for-key (key-seq)
(let ((prefix-keys (butlast (append key-seq nil)))
(prefix-seq ""))
(while prefix-keys
(setq prefix-seq (concat prefix-seq (make-string 1 (car prefix-keys))))
(setq prefix-keys (cdr prefix-keys))
(if (not (keymapp (lookup-key (current-local-map) prefix-seq)))
(local-set-key prefix-seq (make-sparse-keymap))))))
(add-hook 'erlang-mode-hook 'erlang-eunit-add-key-bindings)
(provide 'erlang-eunit)
;; erlang-eunit ends here
|