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Append default backends to buffer-local backends

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Henrik Lissner 2018-07-30 12:54:59 +02:00
parent e94f1f39f4
commit 533cb13a02
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GPG key ID: 5F6C0EA160557395
3 changed files with 28 additions and 18 deletions
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27
modules/completion/company/test/test-company.el
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@ -23,26 +23,33 @@
;;
(it "sets backends for a major mode"
(set-company-backend! 'text-mode 'a)
(expect (backends 'text-mode) :to-equal '(a)))
(expect (backends 'text-mode) :to-equal '(a t)))
(it "sets backends for a derived-mode"
(set-company-backend! :derived 'prog-mode 'a)
(expect (backends 'prog-mode) :to-equal '(a))
(expect (backends 'emacs-lisp-mode) :to-equal '(a)))
(expect (backends 'prog-mode) :to-equal '(a t))
(expect (backends 'emacs-lisp-mode) :to-equal '(a t)))
(it "sets multiple backends for exact major modes"
(set-company-backend! '(text-mode emacs-lisp-mode) 'a 'b)
(expect (backends 'text-mode) :to-equal (backends 'emacs-lisp-mode)))
(it "sets cumulative backends"
(set-company-backend! :derived 'prog-mode 'a)
(set-company-backend! 'emacs-lisp-mode 'b)
(expect (backends 'emacs-lisp-mode) :to-equal '(b a)))
(set-company-backend! :derived 'prog-mode '(a b c))
(set-company-backend! 'emacs-lisp-mode 'd 'e)
(expect (backends 'emacs-lisp-mode) :to-equal '(d e (a b c) t)))
(it "sets cumulative backends with a minor mode"
(set-company-backend! :derived 'prog-mode '(a b c))
(set-company-backend! 'emacs-lisp-mode 'd 'e)
(set-company-backend! 'some-minor-mode 'x 'y)
(setq-local some-minor-mode t)
(expect (backends 'emacs-lisp-mode) :to-equal '(x y d e (a b c) t)))
(it "overwrites past backends"
(set-company-backend! 'text-mode 'old 'backends)
(set-company-backend! 'text-mode 'new 'backends)
(expect (backends 'text-mode) :to-equal '(new backends)))
(expect (backends 'text-mode) :to-equal '(new backends t)))
(it "unsets past backends"
(set-company-backend! 'text-mode 'old)
@ -53,16 +60,16 @@
(set-company-backend! :derived 'prog-mode 'old)
(set-company-backend! 'emacs-lisp-mode 'child)
(set-company-backend! :derived 'prog-mode nil)
(expect (backends 'emacs-lisp-mode) :to-equal '(child)))
(expect (backends 'emacs-lisp-mode) :to-equal '(child t)))
(it "overwrites past cumulative backends"
(set-company-backend! :derived 'prog-mode 'base)
(set-company-backend! 'emacs-lisp-mode 'old)
(set-company-backend! 'emacs-lisp-mode 'new)
(expect (backends 'emacs-lisp-mode) :to-equal '(new base)))
(expect (backends 'emacs-lisp-mode) :to-equal '(new base t)))
(it "overwrites past parent backends"
(set-company-backend! :derived 'prog-mode 'base)
(set-company-backend! 'emacs-lisp-mode 'child)
(set-company-backend! :derived 'prog-mode 'new)
(expect (backends 'emacs-lisp-mode) :to-equal '(child new)))))
(expect (backends 'emacs-lisp-mode) :to-equal '(child new t)))))