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|
;;; haskell-completions-tests.el --- Tests for Haskell Completion package -*- lexical-binding: t -*-
;; Copyright © 2015 Athur Fayzrakhmanov. All rights reserved.
;; This file is part of haskell-mode package.
;; You can contact with authors using GitHub issue tracker:
;; https://github.com/haskell/haskell-mode/issues
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This package provides regression tests for haskell-completions package.
;;; Code:
(require 'ert)
(require 'haskell-mode)
(require 'haskell-completions)
(ert-deftest haskell-completions-can-grab-prefix-test ()
"Tests the function `haskell-completions-can-grab-prefix'."
(with-temp-buffer
(haskell-mode)
(should (eql nil (haskell-completions-can-grab-prefix)))
(insert " ")
(should (eql nil (haskell-completions-can-grab-prefix)))
(insert "a")
(should (eql t (haskell-completions-can-grab-prefix)))
(save-excursion
(insert " ")
(should (eql nil (haskell-completions-can-grab-prefix)))
(insert "bc-")
(should (eql t (haskell-completions-can-grab-prefix)))
(insert "\n")
(should (eql nil (haskell-completions-can-grab-prefix)))
(insert "def:#!")
(should (eql t (haskell-completions-can-grab-prefix))))
(should (eql t (haskell-completions-can-grab-prefix)))
;; punctuation tests
(save-excursion (insert ")"))
(should (eql t (haskell-completions-can-grab-prefix)))
(save-excursion (insert ","))
(should (eql t (haskell-completions-can-grab-prefix)))
(save-excursion (insert "'"))
(should (eql t (haskell-completions-can-grab-prefix)))
;; should return nil in the middle of word
(save-excursion (insert "bcd"))
(should (eql nil (haskell-completions-can-grab-prefix)))
;; region case
(push-mark (point-min) t)
(activate-mark)
(should (eql nil (haskell-completions-can-grab-prefix)))))
(ert-deftest haskell-completions-grab-pragma-prefix-nil-cases-test ()
"Tests the function `haskell-completions-grab-pragma-prefix'
within empty pragma comment {-# #-} and outside of it."
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(insert "{")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "-")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "#")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert " ")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "#")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "-")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "}")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "\n")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert "main")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(insert ":: IO ()")
(should (eql nil (haskell-completions-grab-pragma-prefix)))))
(ert-deftest haskell-completions-grab-pragma-name-prefix-test ()
"Tests both `haskell-completions-grab-pragma-prefix' and
`haskell-completions-grab-prefix' functions for pragma names
completions such as WARNING, LANGUAGE, DEPRECATED and etc."
(let ((expected (list 5 8 "LAN" 'haskell-completions-pragma-name-prefix)))
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(insert "{-# LAN")
(should (equal expected (haskell-completions-grab-pragma-prefix)))
;; minimal prefix length
(should (equal expected (haskell-completions-grab-prefix 3)))
(should (eql nil (haskell-completions-grab-prefix 4)))
(save-excursion (insert " #-}"))
;; should work in case of closed comment, e.g. {-# LAN| #-}
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
;; pragma function should work in the middle of word
(backward-char)
(should (not (equal expected (haskell-completions-grab-pragma-prefix))))
;; but general function should not
(should (eql nil (haskell-completions-grab-prefix))))
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(insert "{-#\nLAN")
;; should work for multiline case
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix))))))
(ert-deftest haskell-completions-grab-ghc-options-prefix-test-01 ()
"Tests both `haskell-completions-grab-pragma-prefix' and
`haskell-completions-grab-prefix' functions for GHC options
prefixes."
(let (expected)
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(setq expected
(list 5 16 "OPTIONS_GHC" 'haskell-completions-pragma-name-prefix))
(insert "{-# OPTIONS_GHC")
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " --opt1")
(setq expected
(list 17 23 "--opt1" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " -XOpt-2")
(setq expected
(list 27 34 "-XOpt-2" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(save-excursion
(insert "\n")
(insert "\"new-line\"")
;; should handle multiline case
(setq
expected
(list 35 45 "\"new-line\"" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " test")
(setq expected
(list 46 50 "test" 'haskell-completions-ghc-option-prefix))
;; minimal prefix length
(should (equal expected (haskell-completions-grab-prefix 4)))
(should (eql nil (haskell-completions-grab-prefix 5)))
(insert " ")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(should (eql nil (haskell-completions-grab-prefix)))
(insert "#-}"))
;; should work in case of closed comment, e.g. {-# OPTIONS_GHC xyz| #-}
(setq expected
(list 27 34 "-XOpt-2" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(backward-char)
;; pragma function should work in the middle of word
(should (not (eql nil (haskell-completions-grab-pragma-prefix))))
;; but general function should not
(should (eql nil (haskell-completions-grab-prefix))))))
(ert-deftest haskell-completions-grab-ghc-options-prefix-test-02 ()
"Tests both `haskell-completions-grab-pragma-prefix' and
`haskell-completions-grab-prefix' functions for GHC options prefixes. Same
tests as above for obsolete OPTIONS pragma."
(let (expected)
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(insert "{-# OPTIONS")
(setq expected
(list 5 12 "OPTIONS" 'haskell-completions-pragma-name-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " --opt1")
(setq expected
(list 13 19 "--opt1" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " -XOpt-2")
(setq expected
(list 23 30 "-XOpt-2" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(save-excursion
(insert "\n")
(insert "\"new-line\"")
;; should handle multiline case
(setq
expected
(list 31 41 "\"new-line\"" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " test")
;; minimal prefix length
(setq expected
(list 42 46 "test" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-prefix 4)))
(should (eql nil (haskell-completions-grab-prefix 5)))
(insert " ")
(should (eql nil (haskell-completions-grab-pragma-prefix)))
(should (eql nil (haskell-completions-grab-prefix)))
(insert "#-}"))
;; should work in case of closed comment
(setq expected
(list 23 30 "-XOpt-2" 'haskell-completions-ghc-option-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(backward-char)
;; pragma function should work in the middle of word
(should (not (eql nil (haskell-completions-grab-pragma-prefix))))
;; but general function should not
(should (eql nil (haskell-completions-grab-prefix))))))
(ert-deftest haskell-completions-grab-language-extenstion-prefix-test ()
"Tests both `haskell-completions-grab-pragma-prefix' and
`haskell-completions-grab-prefix' functions for language
extension prefixes."
(let (expected)
(with-temp-buffer
(haskell-mode)
(goto-char (point-min))
(insert "{-# LANGUAGE")
(setq expected
(list 5 13 "LANGUAGE" 'haskell-completions-pragma-name-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " Rec")
(setq expected
(list 14 17 "Rec" 'haskell-completions-language-extension-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert ", -XOpt-2")
(setq
expected
(list 22 29 "-XOpt-2" 'haskell-completions-language-extension-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert ",\n")
(insert "\"new-line\"")
;; should handle multiline case
(setq expected
(list 31
41
"\"new-line\""
'haskell-completions-language-extension-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " -test")
;; minimal prefix length
(setq expected
(list 42 47 "-test" 'haskell-completions-language-extension-prefix))
(should (equal expected (haskell-completions-grab-prefix 5)))
(should (eql nil (haskell-completions-grab-prefix 6)))
(save-excursion (insert " #-}"))
;; should work in case of closed comment
(setq expected
(list 42 47 "-test" 'haskell-completions-language-extension-prefix))
(should (equal expected (haskell-completions-grab-pragma-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(backward-char)
;; pragma function should work in the middle of the word
(should (not (eql nil (haskell-completions-grab-pragma-prefix))))
;; but general function does not
(should (eql nil (haskell-completions-grab-prefix))))))
(ert-deftest haskell-completions-grab-identifier-prefix-test ()
"Tests both `haskell-completions-grab-identifier-prefix' and
`haskell-completions-grab-prefix' functions for arbitrary haskell
identifiers and module identifiers."
(let (expected)
(with-temp-buffer
(haskell-mode)
(should (eql nil (haskell-completions-grab-identifier-prefix)))
(should (eql nil (haskell-completions-grab-prefix)))
(insert "import")
(setq expected (list 1 7 "import" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " Da")
(setq expected (list 8 10 "Da" 'haskell-completions-module-name-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
;; minimal length test
(should (equal expected (haskell-completions-grab-prefix 2)))
(should (eql nil (haskell-completions-grab-prefix 3)))
(insert "ta.")
(setq expected
(list 8 13 "Data." 'haskell-completions-module-name-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert "Text (pack")
(setq expected (list 19 23 "pack" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert ")")
;; should work when point is at punctuation
(backward-char)
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(forward-char)
;; but should not work after punctuation
(should (eql nil (haskell-completions-grab-identifier-prefix)))
(should (eql nil (haskell-completions-grab-prefix)))
(insert "\n")
(insert "import qualified Data.Text as T")
(insert "\n\n")
;; should not work at the beginning of a line
(should (eql nil (haskell-completions-grab-identifier-prefix)))
(should (eql nil (haskell-completions-grab-prefix)))
(insert "main")
(setq expected (list 58 62 "main" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " :: IO")
(setq expected (list 66 68 "IO" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " ()\n")
(insert "main")
(save-excursion
(insert " = putStrLn")
(setq expected
(list 79 87 "putStrLn" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " (T.")
(setq expected (list 89 91 "T." 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert "unpack")
(setq expected
(list 89 97 "T.unpack" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " (T.pack (\"Hello")
(setq expected nil)
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " World!\" :: String")
(setq expected
(list 125 131 "String" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " -- Comment")
(setq expected nil)
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix))))
;; test in the middle of line
(setq expected (list 72 76 "main" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(backward-char)
(setq expected (list 72 75 "mai" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal nil (haskell-completions-grab-prefix))))
;; qualified imports and "as indentifier" tests
(with-temp-buffer
(haskell-mode)
(insert "import qualified Data.Text")
(setq expected
(list 18 27 "Data.Text" 'haskell-completions-module-name-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix)))
(insert " as T")
(setq expected (list 31 32 "T" 'haskell-completions-identifier-prefix))
(should (equal expected (haskell-completions-grab-identifier-prefix)))
(should (equal expected (haskell-completions-grab-prefix))))))
(ert-deftest haskell-completions-complete-operators-test ()
"Tests `haskell-completions-complete-operators' and its effects
on `haskell-completions-sync-repl-completion-at-point'."
;; Mock `haskell-completions-sync-complete-repl'
(defadvice haskell-completions-sync-complete-repl-mock (around haskell-completions-sync-complete-repl
(prefix &optional import))
nil)
(ad-activate 'haskell-completions-sync-complete-repl-mock)
;; Mock `haskell-session-maybe'
(defadvice haskell-session-maybe-mock (around haskell-session-maybe)
t)
(ad-activate 'haskell-session-maybe-mock)
;; Mock `haskell-process-cmd'
(defadvice haskell-process-cmd-mock (around haskell-process-cmd
(P))
nil)
(ad-activate 'haskell-process-cmd-mock)
;; Mock `haskell-interactive-process'
(defadvice haskell-interactive-process-mock (around haskell-interactive-process)
nil)
(ad-activate 'haskell-interactive-process-mock)
;;; Tests
(unwind-protect
(let (expected)
(with-temp-buffer
(haskell-mode)
(insert "import qualified Data.List as L\n\n")
(insert "test = L")
(let* ((haskell-completions-complete-operators nil))
(setq expected (nth 2 (haskell-completions-sync-repl-completion-at-point)))
(should expected))
(let* ((haskell-completions-complete-operators t))
(setq expected (nth 2 (haskell-completions-sync-repl-completion-at-point)))
(should expected))
(insert ".")
(let* ((haskell-completions-complete-operators nil))
(setq expected (nth 2 (haskell-completions-sync-repl-completion-at-point)))
(should-not expected))
(let* ((haskell-completions-complete-operators t))
(setq expected (nth 2 (haskell-completions-sync-repl-completion-at-point)))
(should expected))))
(progn
;; Remove mocks
(ad-deactivate 'haskell-completions-sync-complete-repl-mock)
(ad-deactivate 'haskell-session-maybe-mock)
(ad-deactivate 'haskell-process-cmd-mock)
(ad-deactivate 'haskell-interactive-process-mock))))
(provide 'haskell-completions-tests)
;;; haskell-completions-tests.el ends here
|
