]> code.delx.au - gnu-emacs-elpa/blobdiff - company-tests.el
ERT window should occupy the whole frame
[gnu-emacs-elpa] / company-tests.el
index fd89b58ece793db75a8ee8b5f8cc84bd7f3262d3..9b8e914b26b2effbdc731b73b3598f0c1ebc51b3 100644 (file)
@@ -29,6 +29,8 @@
 (require 'company)
 (require 'company-keywords)
 
+;;; Core
+
 (ert-deftest company-sorted-keywords ()
   "Test that keywords in `company-keywords-alist' are in alphabetical order."
   (dolist (pair company-keywords-alist)
@@ -73,8 +75,7 @@
                      (prefix "a")
                      (candidates '("a" "ab" "ac")))))))
       (let (this-command)
-        (company-complete))
-      (company-post-command)
+        (company-call 'complete))
       (should (eq 3 company-candidates-length)))))
 
 (ert-deftest company-require-match-explicit ()
       (let (this-command)
         (company-complete))
       (let ((last-command-event ?e))
-        (self-insert-command 1))
-      (company-post-command)
+        (company-call 'self-insert-command 1))
       (should (eq 2 company-candidates-length))
       (should (eq 3 (point))))))
 
-(ert-deftest company-dont-require-match-idle ()
+(ert-deftest company-dont-require-match-when-idle ()
   (with-temp-buffer
     (insert "ab")
     (company-mode)
       (company-idle-begin (current-buffer) (selected-window)
                           (buffer-chars-modified-tick) (point))
       (let ((last-command-event ?e))
-        (self-insert-command 1))
-      (company-post-command)
+        (company-call 'self-insert-command 1))
       (should (eq nil company-candidates-length))
       (should (eq 4 (point))))))
+
+(ert-deftest company-auto-complete-explicit ()
+  (with-temp-buffer
+    (insert "ab")
+    (company-mode)
+    (let (company-frontends
+          (company-auto-complete 'company-explicit-action-p)
+          (company-auto-complete-chars '(? ))
+          (company-backends
+           (list (lambda (command &optional arg)
+                   (case command
+                     (prefix (buffer-substring (point-min) (point)))
+                     (candidates '("abcd" "abef")))))))
+      (let (this-command)
+        (company-complete))
+      (let ((last-command-event ? ))
+        (company-call 'self-insert-command 1))
+      (should (string= "abcd " (buffer-string))))))
+
+(ert-deftest company-no-auto-complete-when-idle ()
+  (with-temp-buffer
+    (insert "ab")
+    (company-mode)
+    (let (company-frontends
+          (company-auto-complete 'company-explicit-action-p)
+          (company-auto-complete-chars '(? ))
+          (company-backends
+           (list (lambda (command &optional arg)
+                   (case command
+                     (prefix (buffer-substring (point-min) (point)))
+                     (candidates '("abcd" "abef")))))))
+      (company-idle-begin (current-buffer) (selected-window)
+                          (buffer-chars-modified-tick) (point))
+      (let ((last-command-event ? ))
+        (company-call 'self-insert-command 1))
+      (should (string= "ab " (buffer-string))))))
+
+(ert-deftest company-clears-explicit-action-when-no-matches ()
+  (with-temp-buffer
+    (company-mode)
+    (let (company-frontends
+          company-backends)
+      (company-call 'manual-begin) ;; fails
+      (should (null company-candidates))
+      (should (null (company-explicit-action-p))))))
+
+(ert-deftest company-pseudo-tooltip-does-not-get-displaced ()
+  :tags '(interactive)
+  (with-temp-buffer
+    (save-window-excursion
+      (set-window-buffer nil (current-buffer))
+      (save-excursion (insert " ff"))
+      (company-mode)
+      (let ((company-frontends '(company-pseudo-tooltip-frontend))
+            (company-begin-commands '(self-insert-command))
+            (company-backends
+             (list (lambda (c &optional arg)
+                     (case c (prefix "") (candidates '("a" "b" "c")))))))
+        (let (this-command)
+          (company-call 'complete))
+        (company-call 'open-line 1)
+        (should (eq 2 (overlay-start company-pseudo-tooltip-overlay)))))))
+
+(defun company-test-pseudo-tooltip-overlay-show ()
+  (save-window-excursion
+    (set-window-buffer nil (current-buffer))
+    (insert "aaaa\n bb\nccccc\nddd")
+    (search-backward "bb")
+    (let ((col-row (company--col-row))
+          (company-candidates-length 2)
+          (company-candidates '("123" "45")))
+      (company-pseudo-tooltip-show (cdr col-row) (car col-row) 0)
+      (let ((ov company-pseudo-tooltip-overlay))
+        (should (eq (overlay-get ov 'company-width) 3))
+        ;; FIXME: Make it 2?
+        (should (eq (overlay-get ov 'company-height) 10))
+        (should (eq (overlay-get ov 'company-column) (car col-row)))
+        (should (string= (overlay-get ov 'company-before)
+                         " 123\nc45 c\nddd\n"))))))
+
+(ert-deftest company-pseudo-tooltip-overlay-show ()
+  :tags '(interactive)
+  (with-temp-buffer
+    (company-test-pseudo-tooltip-overlay-show)))
+
+(ert-deftest company-pseudo-tooltip-overlay-show-with-header-line ()
+  :tags '(interactive)
+  (with-temp-buffer
+    (setq header-line-format "foo bar")
+    (company-test-pseudo-tooltip-overlay-show)))
+
+;;; Template
+
+(ert-deftest company-template-removed-after-the-last-jump ()
+  (with-temp-buffer
+    (insert "{ }")
+    (goto-char 2)
+    (let ((tpl (company-template-declare-template (point) (1- (point-max)))))
+      (save-excursion
+        (dotimes (i 2)
+          (insert " ")
+          (company-template-add-field tpl (point) "foo")))
+      (company-call 'template-forward-field)
+      (should (= 3 (point)))
+      (company-call 'template-forward-field)
+      (should (= 7 (point)))
+      (company-call 'template-forward-field)
+      (should (= 11 (point)))
+      (should (zerop (length (overlay-get tpl 'company-template-fields))))
+      (should (null (overlay-buffer tpl))))))
+
+(ert-deftest company-template-removed-after-input-and-jump ()
+  (with-temp-buffer
+    (insert "{ }")
+    (goto-char 2)
+    (let ((tpl (company-template-declare-template (point) (1- (point-max)))))
+      (save-excursion
+        (insert " ")
+        (company-template-add-field tpl (point) "bar"))
+      (company-call 'template-move-to-first tpl)
+      (should (= 3 (point)))
+      (dolist (c (string-to-list "tee"))
+        (let ((last-command-event c))
+          (company-call 'self-insert-command 1)))
+      (should (string= "{ tee }" (buffer-string)))
+      (should (overlay-buffer tpl))
+      (company-call 'template-forward-field)
+      (should (= 7 (point)))
+      (should (null (overlay-buffer tpl))))))
+
+(defun company-call (name &rest args)
+  (let* ((maybe (intern (format "company-%s" name)))
+         (command (if (fboundp maybe) maybe name)))
+    (apply command args)
+    (let ((this-command command))
+      (run-hooks 'post-command-hook))))
+
+(ert-deftest company-template-c-like-templatify ()
+  (with-temp-buffer
+    (let ((text "foo(int a, short b)"))
+      (insert text)
+      (company-template-c-like-templatify text)
+      (should (equal "foo(arg0, arg1)" (buffer-string)))
+      (should (looking-at "arg0"))
+      (should (equal "int a"
+                     (overlay-get (company-template-field-at) 'display))))))
+
+;;; Elisp
+
+(defmacro company-elisp-with-buffer (contents &rest body)
+  (declare (indent 0))
+  `(with-temp-buffer
+     (insert ,contents)
+     (setq major-mode 'emacs-lisp-mode)
+     (re-search-backward "|")
+     (replace-match "")
+     (let ((company-elisp-detect-function-context t))
+       ,@body)))
+
+(ert-deftest company-elisp-candidates-predicate ()
+  (company-elisp-with-buffer
+    "(foo ba|)"
+    (should (eq (company-elisp--candidates-predicate "ba")
+                'boundp))
+    (should (eq (let (company-elisp-detect-function-context)
+                  (company-elisp--candidates-predicate "ba"))
+                'company-elisp--predicate)))
+  (company-elisp-with-buffer
+    "(foo| )"
+    (should (eq (company-elisp--candidates-predicate "foo")
+                'fboundp))
+    (should (eq (let (company-elisp-detect-function-context)
+                  (company-elisp--candidates-predicate "foo"))
+                'company-elisp--predicate)))
+  (company-elisp-with-buffer
+    "(foo 'b|)"
+    (should (eq (company-elisp--candidates-predicate "b")
+                'company-elisp--predicate))))
+
+(ert-deftest company-elisp-candidates-predicate-in-docstring ()
+  (company-elisp-with-buffer
+   "(def foo () \"Doo be doo `ide|"
+   (should (eq 'company-elisp--predicate
+               (company-elisp--candidates-predicate "ide")))))
+
+;; This one's also an integration test.
+(ert-deftest company-elisp-candidates-recognizes-binding-form ()
+  (let ((company-elisp-detect-function-context t)
+        (obarray [when what whelp])
+        (what 1)
+        (whelp 2)
+        (wisp 3))
+    (company-elisp-with-buffer
+      "(let ((foo 7) (wh| )))"
+      (should (equal '("what" "whelp")
+                     (company-elisp-candidates "wh"))))
+    (company-elisp-with-buffer
+      "(cond ((null nil) (wh| )))"
+      (should (equal '("when")
+                     (company-elisp-candidates "wh"))))))
+
+(ert-deftest company-elisp-candidates-predicate-binding-without-value ()
+  (loop for (text prefix predicate) in '(("(let (foo|" "foo" boundp)
+                                         ("(let (foo (bar|" "bar" boundp)
+                                         ("(let (foo) (bar|" "bar" fboundp))
+        do
+        (eval `(company-elisp-with-buffer
+                 ,text
+                 (should (eq ',predicate
+                             (company-elisp--candidates-predicate ,prefix)))))))
+
+(ert-deftest company-elisp-finds-vars ()
+  (let ((obarray [boo bar baz backquote])
+        (boo t)
+        (bar t)
+        (baz t))
+    (should (equal '("bar" "baz")
+                   (company-elisp--globals "ba" 'boundp)))))
+
+(ert-deftest company-elisp-finds-functions ()
+  (let ((obarray [when what whelp])
+        (what t)
+        (whelp t))
+    (should (equal '("when")
+                   (company-elisp--globals "wh" 'fboundp)))))
+
+(ert-deftest company-elisp-finds-things ()
+  (let ((obarray [when what whelp])
+        (what t)
+        (whelp t))
+    (should (equal '("what" "whelp" "when")
+                   (sort (company-elisp--globals "wh" 'company-elisp--predicate)
+                         'string<)))))
+
+(ert-deftest company-elisp-locals-vars ()
+  (company-elisp-with-buffer
+    "(let ((foo 5) (bar 6))
+       (cl-labels ((borg ()))
+         (lambda (boo baz)
+           b|)))"
+    (should (equal '("bar" "baz" "boo")
+                   (company-elisp--locals "b" nil)))))
+
+(ert-deftest company-elisp-locals-single-var ()
+  (company-elisp-with-buffer
+    "(dotimes (itk 100)
+       (dolist (item items)
+         it|))"
+    (should (equal '("itk" "item")
+                   (company-elisp--locals "it" nil)))))
+
+(ert-deftest company-elisp-locals-funs ()
+  (company-elisp-with-buffer
+    "(cl-labels ((foo ())
+                 (fee ()))
+       (let ((fun 4))
+         (f| )))"
+    (should (equal '("fee" "foo")
+                   (sort (company-elisp--locals "f" t) 'string<)))))
+
+(ert-deftest company-elisp-locals-skips-current-varlist ()
+  (company-elisp-with-buffer
+    "(let ((foo 1)
+           (f| )))"
+    (should (null (company-elisp--locals "f" nil)))))
+
+(ert-deftest company-elisp-show-locals-first ()
+  (company-elisp-with-buffer
+    "(let ((floo 1)
+           (flop 2)
+           (flee 3))
+       fl|)"
+    (let ((obarray [float-pi]))
+      (let (company-elisp-show-locals-first)
+        (should (eq nil (company-elisp 'sorted))))
+      (let ((company-elisp-show-locals-first t))
+        (should (eq t (company-elisp 'sorted)))
+        (should (equal '("flee" "floo" "flop" "float-pi")
+                       (company-elisp-candidates "fl")))))))
+
+(ert-deftest company-elisp-candidates-no-duplicates ()
+  (company-elisp-with-buffer
+    "(let ((float-pi 4))
+       f|)"
+    (let ((obarray [float-pi])
+          (company-elisp-show-locals-first t))
+      (should (equal '("float-pi") (company-elisp-candidates "f"))))))
+
+(ert-deftest company-elisp-shouldnt-complete-defun-name ()
+  (company-elisp-with-buffer
+    "(defun foob|)"
+    (should (null (company-elisp 'prefix)))))
+
+(ert-deftest company-elisp-should-complete-def-call ()
+  (company-elisp-with-buffer
+    "(defu|"
+    (should (equal "defu" (company-elisp 'prefix)))))
+
+(ert-deftest company-elisp-should-complete-in-defvar ()
+  ;; It will also complete the var name, at least for now.
+  (company-elisp-with-buffer
+    "(defvar abc de|"
+    (should (equal "de" (company-elisp 'prefix)))))
+
+(ert-deftest company-elisp-shouldnt-complete-in-defun-arglist ()
+  (company-elisp-with-buffer
+    "(defsubst foobar (ba|"
+    (should (null (company-elisp 'prefix)))))
+
+(ert-deftest company-elisp-prefix-in-defun-body ()
+  (company-elisp-with-buffer
+    "(defun foob ()|)"
+    (should (equal "" (company-elisp 'prefix)))))
+
+;;; Clang
+
+(ert-deftest company-clang-objc-templatify ()
+  (with-temp-buffer
+    (let ((text "createBookWithTitle:andAuthor:"))
+      (insert text)
+      (company-clang-objc-templatify text)
+      (should (equal "createBookWithTitle:arg0 andAuthor:arg1" (buffer-string)))
+      (should (looking-at "arg0"))
+      (should (null (overlay-get (company-template-field-at) 'display))))))