]> code.delx.au - gnu-emacs-elpa/blobdiff - yasnippet-tests.el
Don't indent empty lines in snippet expansion
[gnu-emacs-elpa] / yasnippet-tests.el
index 7653d31b7b26d814168e66fee182e96fd5314393..8ba4632d3af865dd63411daee1a6ca42e796f9a4 100644 (file)
@@ -1,6 +1,6 @@
-;;; yasnippet-tests.el --- some yasnippet tests
+;;; yasnippet-tests.el --- some yasnippet tests  -*- lexical-binding: t -*-
 
-;; Copyright (C) 2012  João Távora
+;; Copyright (C) 2012, 2013, 2014, 2015  Free Software Foundation, Inc.
 
 ;; Author: João Távora <joaot@siscog.pt>
 ;; Keywords: emulations, convenience
@@ -27,6 +27,7 @@
 (require 'yasnippet)
 (require 'ert)
 (require 'ert-x)
+(require 'cl)
 
 \f
 ;;; Snippet mechanics
@@ -53,7 +54,7 @@
     (yas-expand-snippet "${1:brother} from another $1")
     (should (string= (yas--buffer-contents)
                      "brother from another brother"))
-    (ert-simulate-command `(yas-mock-insert "bla"))
+    (yas-mock-insert "bla")
     (should (string= (yas--buffer-contents)
                      "bla from another bla"))))
 
     (yas-expand-snippet "${1:brother} from another ${1:$(upcase yas-text)}")
     (should (string= (yas--buffer-contents)
                      "brother from another BROTHER"))
-    (ert-simulate-command `(yas-mock-insert "bla"))
+    (yas-mock-insert "bla")
     (should (string= (yas--buffer-contents)
                      "bla from another BLA"))))
 
+(ert-deftest mirror-with-transformation-and-autofill ()
+  "Test interaction of autofill with mirror transforms"
+  (let ((words "one two three four five")
+        filled-words)
+    (with-temp-buffer
+      (c-mode)      ; In `c-mode' filling comments works by narrowing.
+      (yas-minor-mode +1)
+      (setq fill-column 10)
+      (auto-fill-mode +1)
+      (yas-expand-snippet "/* $0\n */")
+      (yas-mock-insert words)
+      (setq filled-words (delete-and-extract-region (point-min) (point-max)))
+      (yas-expand-snippet "/* $1\n */\n$2$2")
+      (should (string= (yas--buffer-contents)
+                       "/* \n */\n"))
+      (yas-mock-insert words)
+      (should (string= (yas--buffer-contents)
+                       (concat filled-words "\n"))))))
+
+
 (ert-deftest primary-field-transformation ()
   (with-temp-buffer
     (yas-minor-mode 1)
     (let ((snippet "${1:$$(upcase yas-text)}${1:$(concat \"bar\" yas-text)}"))
       (yas-expand-snippet snippet)
       (should (string= (yas--buffer-contents) "bar"))
-      (ert-simulate-command `(yas-mock-insert "foo"))
+      (yas-mock-insert "foo")
       (should (string= (yas--buffer-contents) "FOObarFOO")))))
 
 (ert-deftest nested-placeholders-kill-superfield ()
     (yas-expand-snippet "brother from ${2:another ${3:mother}}!")
     (should (string= (yas--buffer-contents)
                      "brother from another mother!"))
-    (ert-simulate-command `(yas-mock-insert "bla"))
+    (yas-mock-insert "bla")
     (should (string= (yas--buffer-contents)
                      "brother from bla!"))))
 
     (yas-minor-mode 1)
     (yas-expand-snippet "brother from ${2:another ${3:mother}}!")
     (ert-simulate-command '(yas-next-field-or-maybe-expand))
-    (ert-simulate-command `(yas-mock-insert "bla"))
+    (yas-mock-insert "bla")
     (should (string= (yas--buffer-contents)
                      "brother from another bla!"))))
 
     (yas-expand-snippet "<%= f.submit \"${1:Submit}\"${2:$(and (yas-text) \", :disable_with => '\")}${2:$1ing...}${2:$(and (yas-text) \"'\")} %>")
     (should (string= (yas--buffer-contents)
                      "<%= f.submit \"Submit\", :disable_with => 'Submiting...' %>"))
-    (ert-simulate-command `(yas-mock-insert "Send"))
+    (yas-mock-insert "Send")
     (should (string= (yas--buffer-contents)
                      "<%= f.submit \"Send\", :disable_with => 'Sending...' %>"))))
 
   (with-temp-buffer
     (yas-minor-mode 1)
     (yas-expand-snippet "${1:FOOOOOOO}${2:$1}${3:$2}${4:$3}")
-    (ert-simulate-command `(yas-mock-insert "abc"))
+    (yas-mock-insert "abc")
     (should (string= (yas--buffer-contents) "abcabcabcabc"))))
 
+(ert-deftest delete-numberless-inner-snippet-issue-562 ()
+  (with-temp-buffer
+    (yas-minor-mode 1)
+    (yas-expand-snippet "${3:${test}bla}$0${2:ble}")
+    (ert-simulate-command '(yas-next-field-or-maybe-expand))
+    (should (looking-at "testblable"))
+    (ert-simulate-command '(yas-next-field-or-maybe-expand))
+    (ert-simulate-command '(yas-skip-and-clear-or-delete-char))
+    (should (looking-at "ble"))
+    (should (null (yas--snippets-at-point)))))
+
+(ert-deftest ignore-trailing-whitespace ()
+  (should (equal
+           (with-temp-buffer
+             (insert "# key: foo\n# --\nfoo")
+             (yas--parse-template))
+           (with-temp-buffer
+             (insert "# key: foo \n# --\nfoo")
+             (yas--parse-template)))))
+
 ;; (ert-deftest in-snippet-undo ()
 ;;   (with-temp-buffer
 ;;     (yas-minor-mode 1)
 ;;     (yas-expand-snippet "brother from ${2:another ${3:mother}}!")
 ;;     (ert-simulate-command '(yas-next-field-or-maybe-expand))
-;;     (ert-simulate-command `(yas-mock-insert "bla"))
+;;     (yas-mock-insert "bla")
 ;;     (ert-simulate-command '(undo))
 ;;     (should (string= (yas--buffer-contents)
 ;;                      "brother from another mother!"))))
 
+(ert-deftest dont-clear-on-partial-deletion-issue-515 ()
+  "Ensure fields are not cleared when user doesn't really mean to."
+  (with-temp-buffer
+    (yas-minor-mode 1)
+    (yas-expand-snippet "my ${1:kid brother} from another ${2:mother}")
+
+    (ert-simulate-command '(kill-word 1))
+    (ert-simulate-command '(delete-char 1))
+
+    (should (string= (yas--buffer-contents)
+                     "my brother from another mother"))
+    (should (looking-at "brother"))
+
+    (ert-simulate-command '(yas-next-field))
+    (should (looking-at "mother"))
+    (ert-simulate-command '(yas-prev-field))
+    (should (looking-at "brother"))))
+
+(ert-deftest do-clear-on-yank-issue-515 ()
+  "A yank should clear an unmodified field."
+  (with-temp-buffer
+    (yas-minor-mode 1)
+    (yas-expand-snippet "my ${1:kid brother} from another ${2:mother}")
+    (yas-mock-yank "little sibling")
+    (should (string= (yas--buffer-contents)
+                     "my little sibling from another mother"))
+    (ert-simulate-command '(yas-next-field))
+    (ert-simulate-command '(yas-prev-field))
+    (should (looking-at "little sibling"))))
+
+(ert-deftest basic-indentation ()
+  (with-temp-buffer
+    (ruby-mode)
+    (yas-minor-mode 1)
+    (set (make-local-variable 'yas-indent-line) 'auto)
+    (set (make-local-variable 'yas-also-auto-indent-first-line) t)
+    (yas-expand-snippet "def ${1:method}${2:(${3:args})}\n$0\nend")
+    ;; Note that empty line is not indented.
+    (should (string= "def method(args)
+
+end" (buffer-string)))
+    (cl-loop repeat 3 do (ert-simulate-command '(yas-next-field)))
+    (yas-mock-insert (make-string (random 5) ?\ )) ; purposedly mess up indentation
+    (yas-expand-snippet "class << ${self}\n  $0\nend")
+    (ert-simulate-command '(yas-next-field))
+    (should (string= "def method(args)
+  class << self
+    
+  end
+end" (buffer-string)))
+    (should (= 4 (current-column)))))
+
+(ert-deftest navigate-a-snippet-with-multiline-mirrors-issue-665 ()
+  "In issue 665, a multi-line mirror is attempted.
+
+Indentation doesn't (yet) happen on these mirrors, but let this
+test guard against any misnavigations that might be introduced by
+an incorrect implementation of mirror auto-indentation"
+  (with-temp-buffer
+    (ruby-mode)
+    (yas-minor-mode 1)
+    (yas-expand-snippet "def initialize(${1:params})\n$2${1:$(
+mapconcat #'(lambda (arg)
+                 (format \"@%s = %s\" arg arg))
+             (split-string yas-text \", \")
+             \"\n\")}\nend")
+    (yas-mock-insert "bla, ble, bli")
+    (ert-simulate-command '(yas-next-field))
+    (let ((expected (mapconcat #'identity
+                               '("@bla = bla"
+                                 "[[:blank:]]*@ble = ble"
+                                 "[[:blank:]]*@bli = bli")
+                               "\n")))
+      (should (looking-at expected))
+      (yas-mock-insert "blo")
+      (ert-simulate-command '(yas-prev-field))
+      (ert-simulate-command '(yas-next-field))
+      (should (looking-at (concat "blo" expected))))))
+
 \f
 ;;; Snippet expansion and character escaping
 ;;; Thanks to @zw963 (Billy) for the testing
 
 (ert-deftest be-careful-when-escaping-in-yas-selected-text-2 ()
   (with-temp-buffer
+    (yas-minor-mode 1)
     (let ((yas-selected-text "He)}o world!"))
       (yas-expand-snippet "Look ma! ${1:`(yas-selected-text)`} OK?")
       (should (string= (yas--buffer-contents) "Look ma! He)}o world! OK?")))))
           (snippet "if ${1:condition}\n`yas-selected-text`\nelse\n$3\nend"))
       (yas-expand-snippet snippet)
       (yas-next-field)
-      (ert-simulate-command `(yas-mock-insert "bbb"))
+      (yas-mock-insert "bbb")
       (should (string= (yas--buffer-contents) "if condition\naaa\nelse\nbbb\nend")))))
 
 (defmacro yas--with-font-locked-temp-buffer (&rest body)
              (and (buffer-name ,temp-buffer)
                   (kill-buffer ,temp-buffer))))))))
 
+(defmacro yas-saving-variables (&rest body)
+  `(yas-call-with-saving-variables #'(lambda () ,@body)))
+
+(defmacro yas-with-snippet-dirs (dirs &rest body)
+  (declare (indent defun))
+  `(yas-call-with-snippet-dirs ,dirs
+                               #'(lambda ()
+                                   ,@body)))
+
 (ert-deftest example-for-issue-474 ()
   (yas--with-font-locked-temp-buffer
     (c-mode)
                                 \"fail\")}"))
       (yas-expand-snippet snippet)
       (should (string= (yas--buffer-contents) "fail"))
-      (ert-simulate-command `(yas-mock-insert "foobaaar"))
+      (yas-mock-insert "foobaaar")
       (should (string= (yas--buffer-contents) "foobaaarfail"))
-      (ert-simulate-command `(yas-mock-insert "baz"))
+      (yas-mock-insert "baz")
       (should (string= (yas--buffer-contents) "foobaaarbazok")))))
 
 \f
@@ -314,9 +444,12 @@ TODO: correct this bug!"
                      "brother from another mother") ;; no newline should be here!
             )))
 
+(defvar yas--barbaz)
+(defvar yas--foobarbaz)
+
 ;; See issue #497. To understand this test, follow the example of the
 ;; `yas-key-syntaxes' docstring.
-;; 
+;;
 (ert-deftest complicated-yas-key-syntaxes ()
   (with-temp-buffer
     (yas-saving-variables
@@ -421,6 +554,14 @@ TODO: correct this bug!"
           ("lisp-interaction-mode" ("sc" . "brother from another mother"))))
        ,@body))))
 
+(ert-deftest snippet-lookup ()
+  "Test `yas-lookup-snippet'."
+  (yas-with-some-interesting-snippet-dirs
+   (yas-reload-all 'no-jit)
+   (should (equal (yas-lookup-snippet "printf" 'c-mode) "printf($1);"))
+   (should (equal (yas-lookup-snippet "def" 'c-mode) "# define"))
+   (should-not (yas-lookup-snippet "no such snippet" nil 'noerror))
+   (should-not (yas-lookup-snippet "printf" 'emacs-lisp-mode 'noerror))))
 
 (ert-deftest basic-jit-loading ()
   "Test basic loading and expansion of snippets"
@@ -429,7 +570,7 @@ TODO: correct this bug!"
    (yas--basic-jit-loading-1)))
 
 (ert-deftest basic-jit-loading-with-compiled-snippets ()
-  "Test basic loading and expansion of snippets"
+  "Test basic loading and expansion of compiled snippets"
   (yas-with-some-interesting-snippet-dirs
    (yas-reload-all)
    (yas-recompile-all)
@@ -439,6 +580,20 @@ TODO: correct this bug!"
      (yas-reload-all)
      (yas--basic-jit-loading-1))))
 
+(ert-deftest visiting-compiled-snippets ()
+  "Test snippet visiting for compiled snippets."
+  (yas-with-some-interesting-snippet-dirs
+   (yas-recompile-all)
+   (yas-reload-all 'no-jit) ; must be loaded for `yas-lookup-snippet' to work.
+   (yas--with-temporary-redefinitions ((find-file-noselect
+                                        (filename &rest _)
+                                        (throw 'yas-snippet-file filename)))
+     (should (string-suffix-p
+              "cc-mode/def"
+              (catch 'yas-snippet-file
+                (yas--visit-snippet-file-1
+                 (yas--lookup-snippet-1 "def" 'cc-mode))))))))
+
 (ert-deftest loading-with-cyclic-parenthood ()
   "Test loading when cyclic parenthood is setup."
   (yas-saving-variables
@@ -457,18 +612,48 @@ TODO: correct this bug!"
                           yet-another-c-mode
                           and-also-this-one
                           and-that-one
-                          ;; prog-mode doesn't exit in emacs 24.3
+                          ;; prog-mode doesn't exist in emacs 24.3
                           ,@(if (fboundp 'prog-mode)
                                 '(prog-mode))
                           emacs-lisp-mode
                           lisp-interaction-mode))
               (observed (yas--modes-to-activate)))
-         (should (null (cl-set-exclusive-or expected observed)))
-         (should (= (length expected)
-                    (length observed))))))))
+         (should (equal major-mode (car observed)))
+         (should (equal (sort expected #'string<) (sort observed #'string<))))))))
+
+(ert-deftest extra-modes-parenthood ()
+  "Test activation of parents of `yas--extra-modes'."
+  (yas-saving-variables
+   (yas-with-snippet-dirs '((".emacs.d/snippets"
+                             ("c-mode"
+                              (".yas-parents" . "cc-mode"))
+                             ("yet-another-c-mode"
+                              (".yas-parents" . "c-mode and-also-this-one lisp-interaction-mode"))))
+     (yas-reload-all)
+     (with-temp-buffer
+       (yas-activate-extra-mode 'c-mode)
+       (yas-activate-extra-mode 'yet-another-c-mode)
+       (yas-activate-extra-mode 'and-that-one)
+       (let* ((expected-first `(and-that-one
+                                yet-another-c-mode
+                                c-mode
+                                ,major-mode))
+              (expected-rest `(cc-mode
+                               ;; prog-mode doesn't exist in emacs 24.3
+                               ,@(if (fboundp 'prog-mode)
+                                     '(prog-mode))
+                               emacs-lisp-mode
+                               and-also-this-one
+                               lisp-interaction-mode))
+              (observed (yas--modes-to-activate)))
+         (should (equal expected-first
+                        (cl-subseq observed 0 (length expected-first))))
+         (should (equal (sort expected-rest #'string<)
+                        (sort (cl-subseq observed (length expected-first)) #'string<))))))))
+
+(defalias 'yas--phony-c-mode 'c-mode)
 
 (ert-deftest issue-492-and-494 ()
-  (defalias 'yas--phony-c-mode 'c-mode)
   (define-derived-mode yas--test-mode yas--phony-c-mode "Just a test mode")
   (yas-with-snippet-dirs '((".emacs.d/snippets"
                             ("yas--test-mode")))
@@ -485,9 +670,10 @@ TODO: correct this bug!"
                              (should (= (length expected)
                                         (length observed)))))))
 
+(define-derived-mode yas--test-mode c-mode "Just a test mode")
+(define-derived-mode yas--another-test-mode c-mode "Another test mode")
+
 (ert-deftest issue-504-tricky-jit ()
-  (define-derived-mode yas--test-mode c-mode "Just a test mode")
-  (define-derived-mode yas--another-test-mode c-mode "Another test mode")
   (yas-with-snippet-dirs
    '((".emacs.d/snippets"
       ("yas--another-test-mode"
@@ -673,7 +859,7 @@ TODO: be meaner"
           (should (not (eq (key-binding (yas--read-keybinding "TAB")) 'yas-expand)))
           (should (eq (key-binding (yas--read-keybinding "SPC")) 'yas-expand))))
     ;; FIXME: actually should restore to whatever saved values where there.
-    ;; 
+    ;;
     (define-key yas-minor-mode-map [tab] 'yas-expand)
     (define-key yas-minor-mode-map (kbd "TAB") 'yas-expand)
     (define-key yas-minor-mode-map (kbd "SPC") nil)))
@@ -714,7 +900,7 @@ add the snippets associated with the given mode."
 (defun yas-should-expand (keys-and-expansions)
   (dolist (key-and-expansion keys-and-expansions)
     (yas-exit-all-snippets)
-    (narrow-to-region (point) (point))
+    (erase-buffer)
     (insert (car key-and-expansion))
     (let ((yas-fallback-behavior nil))
       (ert-simulate-command '(yas-expand)))
@@ -728,7 +914,7 @@ add the snippets associated with the given mode."
 (defun yas-should-not-expand (keys)
   (dolist (key keys)
     (yas-exit-all-snippets)
-    (narrow-to-region (point) (point))
+    (erase-buffer)
     (insert key)
     (let ((yas-fallback-behavior nil))
       (ert-simulate-command '(yas-expand)))
@@ -738,10 +924,13 @@ add the snippets associated with the given mode."
                         (yas--buffer-contents))))))
 
 (defun yas-mock-insert (string)
-  (interactive)
-  (do ((i 0 (1+ i)))
-      ((= i (length string)))
-    (insert (aref string i))))
+  (dotimes (i (length string))
+    (let ((last-command-event (aref string i)))
+      (ert-simulate-command '(self-insert-command 1)))))
+
+(defun yas-mock-yank (string)
+  (let ((interprogram-paste-function (lambda () string)))
+    (ert-simulate-command '(yank nil))))
 
 (defun yas-make-file-or-dirs (ass)
   (let ((file-or-dir-name (car ass))
@@ -775,10 +964,6 @@ add the snippets associated with the given mode."
             for saved in saved-values
             do (set var saved)))))
 
-(defmacro yas-saving-variables (&rest body)
-  `(yas-call-with-saving-variables #'(lambda () ,@body)))
-
-
 (defun yas-call-with-snippet-dirs (dirs fn)
   (let* ((default-directory (make-temp-file "yasnippet-fixture" t))
          (yas-snippet-dirs (mapcar #'car dirs)))
@@ -790,18 +975,23 @@ add the snippets associated with the given mode."
         (when (>= emacs-major-version 24)
           (delete-directory default-directory 'recursive))))))
 
-(defmacro yas-with-snippet-dirs (dirs &rest body)
-  (declare (indent defun))
-  `(yas-call-with-snippet-dirs ,dirs
-                               #'(lambda ()
-                                   ,@body)))
-
 ;;; Older emacsen
 ;;;
 (unless (fboundp 'special-mode)
   ;; FIXME: Why provide this default definition here?!?
   (defalias 'special-mode 'fundamental))
 
+(unless (fboundp 'string-suffix-p)
+  ;; introduced in Emacs 24.4
+  (defun string-suffix-p (suffix string &optional ignore-case)
+    "Return non-nil if SUFFIX is a suffix of STRING.
+If IGNORE-CASE is non-nil, the comparison is done without paying
+attention to case differences."
+    (let ((start-pos (- (length string) (length suffix))))
+      (and (>= start-pos 0)
+           (eq t (compare-strings suffix nil nil
+                                  string start-pos nil ignore-case))))))
+
 ;;; btw to test this in emacs22 mac osx:
 ;;; curl -L -O https://github.com/mirrors/emacs/raw/master/lisp/emacs-lisp/ert.el
 ;;; curl -L -O https://github.com/mirrors/emacs/raw/master/lisp/emacs-lisp/ert-x.el
@@ -821,8 +1011,8 @@ add the snippets associated with the given mode."
 
 
 (provide 'yasnippet-tests)
-;;; yasnippet-tests.el ends here
 ;; Local Variables:
-;; lexical-binding: t
+;; indent-tabs-mode: nil
 ;; byte-compile-warnings: (not cl-functions)
 ;; End:
+;;; yasnippet-tests.el ends here