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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/flycheck-20180907.1319/flycheck-ert.el')
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1 files changed, 0 insertions, 483 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/flycheck-20180907.1319/flycheck-ert.el b/configs/shared/emacs/.emacs.d/elpa/flycheck-20180907.1319/flycheck-ert.el deleted file mode 100644 index b7c2bc0fe0cb..000000000000 --- a/configs/shared/emacs/.emacs.d/elpa/flycheck-20180907.1319/flycheck-ert.el +++ /dev/null @@ -1,483 +0,0 @@ -;;; flycheck-ert.el --- Flycheck: ERT extensions -*- lexical-binding: t; -*- - -;; Copyright (C) 2017-2018 Flycheck contributors -;; Copyright (C) 2013-2016 Sebastian Wiesner and Flycheck contributors - -;; Author: Sebastian Wiesner <swiesner@lunaryorn.com> -;; Maintainer: Clément Pit-Claudel <clement.pitclaudel@live.com> -;; fmdkdd <fmdkdd@gmail.com> -;; URL: https://github.com/flycheck/flycheck - -;; This file is not part of GNU Emacs. - -;; This program is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation, either version 3 of the License, or -;; (at your option) any later version. - -;; This program is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with this program. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: - -;; Unit testing library for Flycheck, the modern on-the-fly syntax checking -;; extension for GNU Emacs. - -;; Provide various utility functions and unit test helpers to test Flycheck and -;; Flycheck extensions. - -;;; Code: - -(require 'flycheck) -(require 'ert) -(require 'macroexp) ; For macro utilities - - -;;; Compatibility - -(eval-and-compile - ;; Provide `ert-skip' and friends for Emacs 24.3 - (defconst flycheck-ert-ert-can-skip (fboundp 'ert-skip) - "Whether ERT supports test skipping.") - - (unless (fboundp 'define-error) - ;; from Emacs `subr.el' - (defun define-error (name message &optional parent) - "Define NAME as a new error signal. -MESSAGE is a string that will be output to the echo area if such an error -is signaled without being caught by a `condition-case'. -PARENT is either a signal or a list of signals from which it inherits. -Defaults to `error'." - (unless parent (setq parent 'error)) - (let ((conditions - (if (consp parent) - (apply #'append - (mapcar - (lambda (parent) - (cons parent - (or (get parent 'error-conditions) - (error "Unknown signal `%s'" parent)))) - parent)) - (cons parent (get parent 'error-conditions))))) - (put name 'error-conditions - (delete-dups (copy-sequence (cons name conditions)))) - (when message (put name 'error-message message))))) - - (unless flycheck-ert-ert-can-skip - ;; Fake skipping - - (define-error 'flycheck-ert-skipped "Test skipped") - - (defun ert-skip (data) - (signal 'flycheck-ert-skipped data)) - - (defmacro skip-unless (form) - `(unless (ignore-errors ,form) - (signal 'flycheck-ert-skipped ',form))) - - (defun ert-test-skipped-p (result) - (and (ert-test-failed-p result) - (eq (car (ert-test-failed-condition result)) - 'flycheck-ert-skipped))))) - - -;;; Internal variables - -(defvar flycheck-ert--resource-directory nil - "The directory to get resources from in this test suite.") - - -;;; Resource management macros - -(defmacro flycheck-ert-with-temp-buffer (&rest body) - "Eval BODY within a temporary buffer. - -Like `with-temp-buffer', but resets the modification state of the -temporary buffer to make sure that it is properly killed even if -it has a backing file and is modified." - (declare (indent 0)) - `(with-temp-buffer - (unwind-protect - ,(macroexp-progn body) - ;; Reset modification state of the buffer, and unlink it from its backing - ;; file, if any, because Emacs refuses to kill modified buffers with - ;; backing files, even if they are temporary. - (set-buffer-modified-p nil) - (set-visited-file-name nil 'no-query)))) - -(defmacro flycheck-ert-with-file-buffer (file-name &rest body) - "Create a buffer from FILE-NAME and eval BODY. - -BODY is evaluated with `current-buffer' being a buffer with the -contents FILE-NAME." - (declare (indent 1)) - `(let ((file-name ,file-name)) - (unless (file-exists-p file-name) - (error "%s does not exist" file-name)) - (flycheck-ert-with-temp-buffer - (insert-file-contents file-name 'visit) - (set-visited-file-name file-name 'no-query) - (cd (file-name-directory file-name)) - ;; Mark the buffer as not modified, because we just loaded the file up to - ;; now. - (set-buffer-modified-p nil) - ,@body))) - -(defmacro flycheck-ert-with-help-buffer (&rest body) - "Execute BODY and kill the help buffer afterwards. - -Use this macro to test functions that create a Help buffer." - (declare (indent 0)) - `(unwind-protect - ,(macroexp-progn body) - (when (buffer-live-p (get-buffer (help-buffer))) - (kill-buffer (help-buffer))))) - -(defmacro flycheck-ert-with-global-mode (&rest body) - "Execute BODY with Global Flycheck Mode enabled. - -After BODY, restore the old state of Global Flycheck Mode." - (declare (indent 0)) - `(let ((old-state global-flycheck-mode)) - (unwind-protect - (progn - (global-flycheck-mode 1) - ,@body) - (global-flycheck-mode (if old-state 1 -1))))) - -(defmacro flycheck-ert-with-env (env &rest body) - "Add ENV to `process-environment' in BODY. - -Execute BODY with a `process-environment' which contains all -variables from ENV added. - -ENV is an alist, where each cons cell `(VAR . VALUE)' is a -environment variable VAR to be added to `process-environment' -with VALUE." - (declare (indent 1)) - `(let ((process-environment (copy-sequence process-environment))) - (pcase-dolist (`(,var . ,value) ,env) - (setenv var value)) - ,@body)) - - -;;; Test resources -(defun flycheck-ert-resource-filename (resource-file) - "Determine the absolute file name of a RESOURCE-FILE. - -Relative file names are expanded against -`flycheck-ert--resource-directory'." - (expand-file-name resource-file flycheck-ert--resource-directory)) - -(defmacro flycheck-ert-with-resource-buffer (resource-file &rest body) - "Create a temp buffer from a RESOURCE-FILE and execute BODY. - -The absolute file name of RESOURCE-FILE is determined with -`flycheck-ert-resource-filename'." - (declare (indent 1)) - `(flycheck-ert-with-file-buffer - (flycheck-ert-resource-filename ,resource-file) - ,@body)) - - -;;; Test suite initialization - -(defun flycheck-ert-initialize (resource-dir) - "Initialize a test suite with RESOURCE-DIR. - -RESOURCE-DIR is the directory, `flycheck-ert-resource-filename' -should use to lookup resource files." - (when flycheck-ert--resource-directory - (error "Test suite already initialized")) - (let ((tests (ert-select-tests t t))) - ;; Select all tests - (unless tests - (error "No tests defined. \ -Call `flycheck-ert-initialize' after defining all tests!")) - - (setq flycheck-ert--resource-directory resource-dir) - - ;; Emacs 24.3 don't support skipped tests, so we add poor man's test - ;; skipping: We mark skipped tests as expected failures by adjusting the - ;; expected result of all test cases. Not particularly pretty, but works :) - (unless flycheck-ert-ert-can-skip - (dolist (test tests) - (let ((result (ert-test-expected-result-type test))) - (setf (ert-test-expected-result-type test) - `(or ,result (satisfies ert-test-skipped-p)))))))) - - -;;; Test case definitions -(defmacro flycheck-ert-def-checker-test (checker language name - &rest keys-and-body) - "Define a test case for a syntax CHECKER for LANGUAGE. - -CHECKER is a symbol or a list of symbols denoting syntax checkers -being tested by the test. The test case is skipped, if any of -these checkers cannot be used. LANGUAGE is a symbol or a list of -symbols denoting the programming languages supported by the -syntax checkers. This is currently only used for tagging the -test appropriately. - -NAME is a symbol denoting the local name of the test. The test -itself is ultimately named -`flycheck-define-checker/CHECKER/NAME'. If CHECKER is a list, -the first checker in the list is used for naming the test. - -Optionally, the keyword arguments `:tags' and `:expected-result' -may be given. They have the same meaning as in `ert-deftest.', -and are added to the tags and result expectations set up by this -macro. - -The remaining forms KEYS-AND-BODY denote the body of the test -case, including assertions and setup code." - (declare (indent 3)) - (unless checker - (error "No syntax checkers specified")) - (unless language - (error "No languages specified")) - (let* ((checkers (if (symbolp checker) (list checker) checker)) - (checker (car checkers)) - (languages (if (symbolp language) (list language) language)) - (language-tags (mapcar (lambda (l) (intern (format "language-%s" l))) - languages)) - (checker-tags (mapcar (lambda (c) (intern (format "checker-%s" c))) - checkers)) - (local-name (or name 'default)) - (full-name (intern (format "flycheck-define-checker/%s/%s" - checker local-name))) - (keys-and-body (ert--parse-keys-and-body keys-and-body)) - (body (cadr keys-and-body)) - (keys (car keys-and-body)) - (default-tags '(syntax-checker external-tool))) - `(ert-deftest ,full-name () - :expected-result ,(or (plist-get keys :expected-result) :passed) - :tags (append ',(append default-tags language-tags checker-tags) - ,(plist-get keys :tags)) - ,@(mapcar (lambda (c) - `(skip-unless - ;; Ignore non-command checkers - (or (not (flycheck-checker-get ',c 'command)) - (executable-find (flycheck-checker-executable ',c))))) - checkers) - ,@body))) - - -;;; Test case results - -(defun flycheck-ert-syntax-check-timed-out-p (result) - "Whether RESULT denotes a timed-out test. - -RESULT is an ERT test result object." - (and (ert-test-failed-p result) - (eq (car (ert-test-failed-condition result)) - 'flycheck-ert-syntax-check-timed-out))) - - -;;; Syntax checking in tests - -(defvar-local flycheck-ert-syntax-checker-finished nil - "Non-nil if the current checker has finished.") - -(add-hook 'flycheck-after-syntax-check-hook - (lambda () (setq flycheck-ert-syntax-checker-finished t))) - -(defconst flycheck-ert-checker-wait-time 10 - "Time to wait until a checker is finished in seconds. - -After this time has elapsed, the checker is considered to have -failed, and the test aborted with failure.") - -(define-error 'flycheck-ert-syntax-check-timed-out "Syntax check timed out.") - -(defun flycheck-ert-wait-for-syntax-checker () - "Wait until the syntax check in the current buffer is finished." - (let ((starttime (float-time))) - (while (and (not flycheck-ert-syntax-checker-finished) - (< (- (float-time) starttime) flycheck-ert-checker-wait-time)) - (sleep-for 1)) - (unless (< (- (float-time) starttime) flycheck-ert-checker-wait-time) - (flycheck-stop) - (signal 'flycheck-ert-syntax-check-timed-out nil))) - (setq flycheck-ert-syntax-checker-finished nil)) - -(defun flycheck-ert-buffer-sync () - "Like `flycheck-buffer', but synchronously." - (setq flycheck-ert-syntax-checker-finished nil) - (should (not (flycheck-running-p))) - (flycheck-mode) ; This will only start a deferred check, - (flycheck-buffer) ; so we need an explicit manual check - ;; After starting the check, the checker should either be running now, or - ;; already be finished (if it was fast). - (should (or flycheck-current-syntax-check - flycheck-ert-syntax-checker-finished)) - ;; Also there should be no deferred check pending anymore - (should-not (flycheck-deferred-check-p)) - (flycheck-ert-wait-for-syntax-checker)) - -(defun flycheck-ert-ensure-clear () - "Clear the current buffer. - -Raise an assertion error if the buffer is not clear afterwards." - (flycheck-clear) - (should (not flycheck-current-errors)) - (should (not (-any? (lambda (ov) (overlay-get ov 'flycheck-overlay)) - (overlays-in (point-min) (point-max)))))) - - -;;; Test assertions - -(defun flycheck-error-without-group (err) - "Return a copy ERR with the `group' property set to nil." - (let ((copy (copy-flycheck-error err))) - (setf (flycheck-error-group copy) nil) - copy)) - -(defun flycheck-ert-should-overlay (error) - "Test that ERROR has a proper overlay in the current buffer. - -ERROR is a Flycheck error object." - (let* ((overlay (-first (lambda (ov) - (equal (flycheck-error-without-group - (overlay-get ov 'flycheck-error)) - (flycheck-error-without-group error))) - (flycheck-overlays-in 0 (+ 1 (buffer-size))))) - (region - ;; Overlays of errors from other files are on the first line - (if (flycheck-relevant-error-other-file-p error) - (cons (point-min) - (save-excursion (goto-char (point-min)) (point-at-eol))) - (flycheck-error-region-for-mode error 'symbols))) - (level (flycheck-error-level error)) - (category (flycheck-error-level-overlay-category level)) - (face (get category 'face)) - (fringe-bitmap (flycheck-error-level-fringe-bitmap level)) - (fringe-face (flycheck-error-level-fringe-face level)) - (fringe-icon (list 'left-fringe fringe-bitmap fringe-face))) - (should overlay) - (should (overlay-get overlay 'flycheck-overlay)) - (should (= (overlay-start overlay) (car region))) - (should (= (overlay-end overlay) (cdr region))) - (should (eq (overlay-get overlay 'face) face)) - (should (equal (get-char-property 0 'display - (overlay-get overlay 'before-string)) - fringe-icon)) - (should (eq (overlay-get overlay 'category) category)) - (should (equal (flycheck-error-without-group (overlay-get overlay - 'flycheck-error)) - (flycheck-error-without-group error))))) - -(defun flycheck-ert-should-errors (&rest errors) - "Test that the current buffers has ERRORS. - -ERRORS is a list of errors expected to be present in the current -buffer. Each error is given as a list of arguments to -`flycheck-error-new-at'. - -If ERRORS are omitted, test that there are no errors at all in -the current buffer. - -With ERRORS, test that each error in ERRORS is present in the -current buffer, and that the number of errors in the current -buffer is equal to the number of given ERRORS. In other words, -check that the buffer has all ERRORS, and no other errors." - (let ((expected (mapcar (apply-partially #'apply #'flycheck-error-new-at) - errors))) - (should (equal (mapcar #'flycheck-error-without-group expected) - (mapcar #'flycheck-error-without-group - flycheck-current-errors))) - ;; Check that related errors are the same - (cl-mapcar (lambda (err1 err2) - (should (equal (mapcar #'flycheck-error-without-group - (flycheck-related-errors err1 expected)) - (mapcar #'flycheck-error-without-group - (flycheck-related-errors err2))))) - expected flycheck-current-errors) - (mapc #'flycheck-ert-should-overlay expected)) - (should (= (length errors) - (length (flycheck-overlays-in (point-min) (point-max)))))) - -(define-error 'flycheck-ert-suspicious-checker "Suspicious state from checker") - -(defun flycheck-ert-should-syntax-check (resource-file modes &rest errors) - "Test a syntax check in RESOURCE-FILE with MODES. - -RESOURCE-FILE is the file to check. MODES is a single major mode -symbol or a list thereof, specifying the major modes to syntax -check with. If more than one major mode is specified, the test -is run for each mode separately, so if you give three major -modes, the entire test will run three times. ERRORS is the list -of expected errors, as in `flycheck-ert-should-errors'. If -omitted, the syntax check must not emit any errors. The errors -are cleared after each test. - -The syntax checker is selected via standard syntax checker -selection. To test a specific checker, you need to set -`flycheck-checker' or `flycheck-disabled-checkers' accordingly -before using this predicate, depending on whether you want to use -manual or automatic checker selection. - -During the syntax check, configuration files of syntax checkers -are also searched in the `config-files' sub-directory of the -resource directory." - (when (symbolp modes) - (setq modes (list modes))) - (dolist (mode modes) - (unless (fboundp mode) - (ert-skip (format "%S missing" mode))) - (flycheck-ert-with-resource-buffer resource-file - (funcall mode) - ;; Load safe file-local variables because some tests depend on them - (let ((enable-local-variables :safe) - ;; Disable all hooks at this place, to prevent 3rd party packages - ;; from interfering - (hack-local-variables-hook)) - (hack-local-variables)) - ;; Configure config file locating for unit tests - (let ((process-hook-called 0)) - (add-hook 'flycheck-process-error-functions - (lambda (_err) - (setq process-hook-called (1+ process-hook-called)) - nil) - nil :local) - (add-hook 'flycheck-status-changed-functions - (lambda (status) - (when (eq status 'suspicious) - (signal 'flycheck-ert-suspicious-checker nil)))) - (flycheck-ert-buffer-sync) - (apply #'flycheck-ert-should-errors errors) - (should (= process-hook-called (length errors)))) - (flycheck-ert-ensure-clear)))) - -(defun flycheck-ert-at-nth-error (n) - "Determine whether point is at the N'th Flycheck error. - -Return non-nil if the point is at the N'th Flycheck error in the -current buffer. Otherwise return nil." - (let* ((error (nth (1- n) flycheck-current-errors)) - (mode flycheck-highlighting-mode) - (region (flycheck-error-region-for-mode error mode))) - (and (member error (flycheck-overlay-errors-at (point))) - (= (point) (car region))))) - -(defun flycheck-ert-explain--at-nth-error (n) - "Explain a failed at-nth-error predicate at N." - (let ((errors (flycheck-overlay-errors-at (point)))) - (if (null errors) - (format "Expected to be at error %s, but no error at point %s" - n (point)) - (let ((pos (cl-position (car errors) flycheck-current-errors))) - (format "Expected to be at error %s, but point %s is at error %s" - n (point) (1+ pos)))))) - -(put 'flycheck-ert-at-nth-error 'ert-explainer - 'flycheck-ert-explain--at-nth-error) - -(provide 'flycheck-ert) - -;;; flycheck-ert.el ends here |