diff options
Diffstat (limited to 'lib/tools/emacs/erlang-test.el')
| -rw-r--r-- | lib/tools/emacs/erlang-test.el | 91 |
1 files changed, 74 insertions, 17 deletions
diff --git a/lib/tools/emacs/erlang-test.el b/lib/tools/emacs/erlang-test.el index ba6190d194..ea5d637199 100644 --- a/lib/tools/emacs/erlang-test.el +++ b/lib/tools/emacs/erlang-test.el @@ -2,7 +2,7 @@ ;;; Unit tests for erlang.el. -;; Author: Johan Claesson +;; Author: Johan Claesson ;; Created: 2016-05-07 ;; Keywords: erlang, languages @@ -28,6 +28,27 @@ ;;; Commentary: ;; This library require GNU Emacs 25 or later. +;; +;; There are two ways to run emacs unit tests. +;; +;; 1. Within a running emacs process. Load this file. Then to run +;; all defined test cases: +;; +;; M-x ert RET t RET +;; +;; To run only the erlang test cases: +;; +;; M-x ert RET "^erlang" RET +;; +;; +;; 2. In a new stand-alone emacs process. This process exits +;; when it executed the tests. For example: +;; +;; emacs -Q -batch -L . -l erlang.el -l erlang-test.el \ +;; -f ert-run-tests-batch-and-exit +;; +;; The -L option adds a directory to the load-path. It should be the +;; directory containing erlang.el and erlang-test.el. ;;; Code: @@ -59,11 +80,12 @@ concatenated to form an erlang file to test on.") tags-file-name tags-table-list tags-table-set-list + tags-add-tables + tags-completion-table erlang-buffer erlang-mode-hook prog-mode-hook - erlang-shell-mode-hook - tags-add-tables) + erlang-shell-mode-hook) (unwind-protect (progn (setq-default tags-file-name nil) @@ -71,11 +93,14 @@ concatenated to form an erlang file to test on.") (erlang-test-create-erlang-file erlang-file) (erlang-test-compile-tags erlang-file tags-file) (setq erlang-buffer (find-file-noselect erlang-file)) - (with-current-buffer erlang-buffer - (setq-local tags-file-name tags-file)) - ;; Setting global tags-file-name is a workaround for - ;; GNU Emacs bug#23164. - (setq tags-file-name tags-file) + (if (< emacs-major-version 26) + (progn + (with-current-buffer erlang-buffer + (setq-local tags-file-name tags-file)) + ;; Setting global tags-file-name is a workaround for + ;; GNU Emacs bug#23164. + (setq tags-file-name tags-file)) + (visit-tags-table tags-file t)) (erlang-test-complete-at-point tags-file) (erlang-test-completion-table) (erlang-test-xref-find-definitions erlang-file erlang-buffer)) @@ -117,12 +142,20 @@ concatenated to form an erlang file to test on.") for line = 1 then (1+ line) do (when tagname (switch-to-buffer erlang-buffer) - (xref-find-definitions tagname) - (erlang-test-verify-pos erlang-file line) - (xref-find-definitions (concat "erlang_test:" tagname)) - (erlang-test-verify-pos erlang-file line))) - (xref-find-definitions "erlang_test:") - (erlang-test-verify-pos erlang-file 1)) + (erlang-test-xref-jump tagname erlang-file line) + (erlang-test-xref-jump (concat "erlang_test:" tagname) + erlang-file line))) + (erlang-test-xref-jump "erlang_test:" erlang-file 1)) + +(defun erlang-test-xref-jump (id expected-file expected-line) + (goto-char (point-max)) + (insert "\n%% " id) + (save-buffer) + (if (fboundp 'xref-find-definitions) + (xref-find-definitions (erlang-id-to-string + (erlang-get-identifier-at-point))) + (error "xref-find-definitions not defined (too old emacs?)")) + (erlang-test-verify-pos expected-file expected-line)) (defun erlang-test-verify-pos (expected-file expected-line) (should (string-equal (file-truename expected-file) @@ -136,13 +169,13 @@ concatenated to form an erlang file to test on.") (setq-local tags-file-name tags-file) (insert "\nerlang_test:fun") (erlang-complete-tag) - (should (looking-back "erlang_test:function")) + (should (looking-back "erlang_test:function" (point-at-bol))) (insert "\nfun") (erlang-complete-tag) - (should (looking-back "function")) + (should (looking-back "function" (point-at-bol))) (insert "\nerlang_") (erlang-complete-tag) - (should (looking-back "erlang_test:")))) + (should (looking-back "erlang_test:" (point-at-bol))))) (ert-deftest erlang-test-compile-options () @@ -179,6 +212,30 @@ concatenated to form an erlang file to test on.") erlang)) +(ert-deftest erlang-test-parse-id () + (cl-loop for id-string in '("fun/10" + "qualified-function module:fun/10" + "record reko" + "macro _SYMBOL" + "macro MACRO/10" + "module modula" + "macro" + nil) + for id-list in '((nil nil "fun" 10) + (qualified-function "module" "fun" 10) + (record nil "reko" nil) + (macro nil "_SYMBOL" nil) + (macro nil "MACRO" 10) + (module nil "modula" nil) + (nil nil "macro" nil) + nil) + for id-list2 = (erlang-id-to-list id-string) + do (should (equal id-list id-list2)) + for id-string2 = (erlang-id-to-string id-list) + do (should (equal id-string id-string2)) + collect id-list2)) + + (provide 'erlang-test) ;;; erlang-test.el ends here |