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;;; test-automatic-checking.el --- Flycheck Specs: Automatic Checking -*- lexical-binding: t; -*-
;;; Code:
(require 'flycheck-buttercup)
(require 'test-helpers)
(describe "Automatic syntax checking"
(describe "flycheck-may-check-automatically"
(it "not in ephemeral buffers"
(flycheck-buttercup-with-temp-buffer
(expect (seq-find #'flycheck-may-check-automatically
'(save idle-change new-line mode-enabled))
:not :to-be-truthy)
(expect (flycheck-may-check-automatically) :not :to-be-truthy)))
(it "in normal buffers"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(expect (seq-every-p #'flycheck-may-check-automatically
'(save idle-change new-line mode-enabled))
:to-be-truthy)
(expect (flycheck-may-check-automatically) :to-be-truthy)))
(it "automatic checking disabled"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((flycheck-check-syntax-automatically nil))
(expect (seq-find #'flycheck-may-check-automatically
'(save idle-change new-line mode-enabled))
:not :to-be-truthy)
(expect (flycheck-may-check-automatically) :to-be-truthy))))
(it "specific event disabled"
(dolist (event '(save idle-change new-line mode-enabled))
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
;; Disable just a specific event
(let ((flycheck-check-syntax-automatically
(remq event flycheck-check-syntax-automatically)))
(expect flycheck-check-syntax-automatically :to-be-truthy)
(expect (flycheck-may-check-automatically event) :not :to-be-truthy)
(expect (seq-every-p #'flycheck-may-check-automatically
flycheck-check-syntax-automatically)
:to-be-truthy)
(expect (flycheck-may-check-automatically) :to-be-truthy))))))
(describe "flycheck-check-syntax-automatically"
(it "mode-enabled is disabled"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(emacs-lisp-mode)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(let ((flycheck-check-syntax-automatically
(remq 'mode-enabled flycheck-check-syntax-automatically)))
(flycheck-mode)
(expect (flycheck-deferred-check-p) :not :to-be-truthy))))
(it "mode-enabled checks syntax after flycheck-mode"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(emacs-lisp-mode)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(let ((flycheck-check-syntax-automatically '(mode-enabled)))
(flycheck-mode)
(expect (flycheck-deferred-check-p) :to-be-truthy))))
(it "idle-change is disabled"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(emacs-lisp-mode)
(let ((flycheck-check-syntax-automatically nil))
(flycheck-mode))
(let ((flycheck-check-syntax-automatically
(remq 'idle-change flycheck-check-syntax-automatically)))
(insert "Hello world")
(sleep-for 0.55)
(expect (flycheck-deferred-check-p) :not :to-be-truthy))))
(it "idle-change checks syntax after change"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(emacs-lisp-mode)
(let ((flycheck-check-syntax-automatically '(idle-change)))
(flycheck-mode)
(insert "Hello world")
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(sleep-for 1)
(expect (flycheck-deferred-check-p) :to-be-truthy))))
(it "idle-change does not check before delay"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(emacs-lisp-mode)
(let ((flycheck-check-syntax-automatically '(idle-change))
(flycheck-idle-change-delay 1.5))
(flycheck-mode)
(insert "Hello world")
(sleep-for 0.55)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(sleep-for 1.1)
(expect (flycheck-deferred-check-p) :to-be-truthy))))
(it "idle-change checks changed buffer"
(let ((flycheck-check-syntax-automatically '(idle-change))
(flycheck-idle-change-delay 0.1))
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((changed-buffer (current-buffer)))
(emacs-lisp-mode)
(flycheck-mode)
(insert "Hello world")
(switch-to-buffer "other-dummy2.el")
(emacs-lisp-mode)
(flycheck-mode)
(sleep-for 0.2)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(set-buffer changed-buffer)
(sleep-for 1)
(expect (flycheck-deferred-check-p) :to-be-truthy)))))
(it "does not check after buffer switch by default"
(let ((flycheck-check-syntax-automatically '())
(flycheck-idle-buffer-switch-delay 0)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(sleep-for 0.1)
(expect checks :to-equal 0)
(kill-buffer "automatic-check-dummy.el")))
(it "idle-buffer-switch checks after buffer switch"
(let ((flycheck-check-syntax-automatically '(idle-buffer-switch))
(flycheck-idle-buffer-switch-delay 0)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(sleep-for 0.1)
(expect checks :to-equal 1)
(kill-buffer "automatic-check-dummy.el")))
(it "idle-change cancels idle-buffer-switch"
(let ((flycheck-check-syntax-automatically '(idle-change idle-buffer-switch))
(flycheck-idle-change-delay 0.02)
(flycheck-idle-buffer-switch-delay 0.01)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(insert "Hello")
(sleep-for 0.015)
(expect checks :to-equal 0)
(sleep-for 1)
(expect checks :to-equal 1)
(kill-buffer "automatic-check-dummy.el")))
(it "idle-buffer-switch cancels idle-change"
(let ((flycheck-check-syntax-automatically '(idle-change idle-buffer-switch))
(flycheck-idle-change-delay 0.01)
(flycheck-idle-buffer-switch-delay 0.05)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(insert "Hello")
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(sleep-for 0.02)
(expect checks :to-equal 0)
(sleep-for 1)
(expect checks :to-equal 1)
(kill-buffer "automatic-check-dummy.el")))
(it "idle-buffer-switch does not check intermediate buffers by default"
(let ((flycheck-check-syntax-automatically '(idle-buffer-switch))
(flycheck-idle-buffer-switch-delay 0.01)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(find-file (flycheck-buttercup-resource-filename "global-mode-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(switch-to-buffer "global-mode-dummy.el")
(sleep-for 1)
(expect checks :to-equal 1)
;; Since the buffer is not visible, the check would be automatically deferred
(set-buffer "automatic-check-dummy.el")
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(kill-buffer "automatic-check-dummy.el")
(kill-buffer "global-mode-dummy.el")))
(it "idle-buffer-switch checks intermediate buffers with option"
(let ((flycheck-check-syntax-automatically '(idle-buffer-switch))
(flycheck-idle-buffer-switch-delay 0.01)
(flycheck-buffer-switch-check-intermediate-buffers t)
(checks 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(find-file (flycheck-buttercup-resource-filename "global-mode-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(add-hook 'flycheck-before-syntax-check-hook (lambda () (cl-incf checks)) nil 'local)
(switch-to-buffer "*scratch*")
(switch-to-buffer "automatic-check-dummy.el")
(switch-to-buffer "global-mode-dummy.el")
(sleep-for 0.1)
(expect checks :to-equal 1)
;; Since the buffer is not visible, the check will be automatically deferred
(set-buffer "automatic-check-dummy.el")
(expect (flycheck-deferred-check-p) :to-be-truthy)
(kill-buffer "automatic-check-dummy.el")
(kill-buffer "global-mode-dummy.el")))
(it "buffer-switch-check-intermediate-buffers does not cancel idle-change"
(let ((flycheck-check-syntax-automatically '(idle-change idle-buffer-switch))
(flycheck-buffer-switch-check-intermediate-buffers t)
(flycheck-idle-change-delay 0.01)
(flycheck-idle-buffer-switch-delay 0))
(find-file (flycheck-buttercup-resource-filename "automatic-check-dummy.el"))
(emacs-lisp-mode)
(flycheck-mode)
(insert "Hello")
(switch-to-buffer "*scratch*")
(sleep-for 0.1)
;; Since the buffer is not visible, the check will be automatically deferred
(set-buffer "automatic-check-dummy.el")
(expect (flycheck-deferred-check-p) :to-be-truthy)
(kill-buffer "automatic-check-dummy.el")))
(it "new-line is disabled"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((flycheck-check-syntax-automatically nil))
(flycheck-mode))
(let ((flycheck-check-syntax-automatically
(remq 'new-line flycheck-check-syntax-automatically)))
(insert "\n")
(expect (flycheck-deferred-check-p) :not :to-be-truthy))))
(it "new-line checks syntax after new line"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((flycheck-check-syntax-automatically '(new-line)))
(flycheck-mode)
(insert "\n")
(expect (flycheck-deferred-check-p) :to-be-truthy))))
(it "save disabled"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((flycheck-check-syntax-automatically nil))
(flycheck-mode))
(set-buffer-modified-p t)
(let ((flycheck-check-syntax-automatically
(remq 'save flycheck-check-syntax-automatically)))
(save-buffer 0)
(expect (flycheck-deferred-check-p) :not :to-be-truthy))))
(it "save checks syntax after save"
(flycheck-buttercup-with-resource-buffer "automatic-check-dummy.el"
(let ((flycheck-check-syntax-automatically '(save)))
(flycheck-mode)
(set-buffer-modified-p t)
(save-buffer 0)
(expect (flycheck-deferred-check-p) :to-be-truthy)))))
(describe "flycheck-buffer-automatically"
(it "does not check with disabled mode"
(flycheck-buttercup-with-temp-buffer
(rename-buffer "foo")
(expect flycheck-mode :not :to-be-truthy)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(flycheck-buffer-automatically)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)))
(it "defers the test"
(flycheck-buttercup-with-temp-buffer
(flycheck-mode)
;; Flycheck won't check ephemeral buffers
(rename-buffer "foo")
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(flycheck-buffer-automatically)
(expect (flycheck-deferred-check-p) :to-be-truthy))))
(describe "Deferred syntax checking"
(it "flycheck-deferred-check-p returns nil"
(let ((flycheck-deferred-syntax-check nil))
(expect (flycheck-deferred-check-p) :not :to-be-truthy)))
(it "flycheck-deferred-check-p returns truthy"
(let ((flycheck-deferred-syntax-check t))
(expect (flycheck-deferred-check-p) :to-be-truthy)))
(it "flycheck-buffer-deferred schedules a deferred syntax check"
(flycheck-buttercup-with-temp-buffer
(expect (flycheck-deferred-check-p) :not :to-be-truthy)
(flycheck-buffer-deferred)
(expect (flycheck-deferred-check-p) :to-be-truthy)))
(it "flycheck-clean-deferred-check removes a deferred syntax check"
(flycheck-buttercup-with-temp-buffer
(flycheck-buffer-deferred)
(flycheck-clean-deferred-check)
(expect (flycheck-deferred-check-p) :not :to-be-truthy)))))
;;; test-automatic-checking.el ends here
|
