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| | ;;; em-cmpl-tests.el --- em-cmpl test suite -*- lexical-binding:t -*-
;; Copyright (C) 2023 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs 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 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Tests for Eshell's interactive completion.
;;; Code:
(require 'ert)
(require 'eshell)
(require 'em-cmpl)
(require 'em-dirs)
(require 'em-hist)
(require 'em-tramp)
(require 'em-unix)
(require 'eshell-tests-helpers
(expand-file-name "eshell-tests-helpers"
(file-name-directory (or load-file-name
default-directory))))
(defvar eshell-test-value nil)
(defun eshell-insert-and-complete (input)
"Insert INPUT and invoke completion, returning the result."
(insert input)
(completion-at-point)
(eshell-get-old-input))
;;; Tests:
(ert-deftest em-cmpl-test/parse-arguments/pipeline ()
"Test that parsing arguments for completion discards earlier commands."
(with-temp-eshell
(let ((eshell-test-value '("foo" "bar")))
(insert "echo hi | cat")
(should (equal (car (eshell-complete-parse-arguments))
`("cat"))))))
(ert-deftest em-cmpl-test/parse-arguments/variable ()
"Test parsing arguments with a variable interpolation."
(with-temp-eshell
(let ((eshell-test-value '("foo" "bar")))
(insert "echo $eshell-test-value")
(should (equal (car (eshell-complete-parse-arguments))
`("echo" ("foo" "bar")))))))
(ert-deftest em-cmpl-test/parse-arguments/variable-splice ()
"Test parsing arguments with a spliced variable interpolation."
(with-temp-eshell
(let ((eshell-test-value '("foo" "bar")))
(insert "echo $@eshell-test-value")
(should (equal (car (eshell-complete-parse-arguments))
`("echo" "foo" "bar"))))))
(ert-deftest em-cmpl-test/file-completion/unique ()
"Test completion of file names when there's a unique result."
(with-temp-eshell
(ert-with-temp-directory default-directory
(write-region nil nil (expand-file-name "file.txt"))
(should (equal (eshell-insert-and-complete "echo fi")
"echo file.txt ")))))
(ert-deftest em-cmpl-test/file-completion/non-unique ()
"Test completion of file names when there are multiple results."
(with-temp-eshell
(ert-with-temp-directory default-directory
(write-region nil nil (expand-file-name "file.txt"))
(write-region nil nil (expand-file-name "file.el"))
(should (equal (eshell-insert-and-complete "echo fi")
"echo file."))
;; Now try completing again.
(let ((minibuffer-message-timeout 0)
(inhibit-message t))
(completion-at-point))
;; FIXME: We can't use `current-message' here.
(with-current-buffer (messages-buffer)
(save-excursion
(goto-char (point-max))
(forward-line -1)
(should (looking-at "Complete, but not unique")))))))
(ert-deftest em-cmpl-test/file-completion/after-list ()
"Test completion of file names after previous list arguments.
See bug#59956."
(with-temp-eshell
(ert-with-temp-directory default-directory
(write-region nil nil (expand-file-name "file.txt"))
(should (equal (eshell-insert-and-complete "echo (list 1 2) fi")
"echo (list 1 2) file.txt ")))))
(ert-deftest em-cmpl-test/lisp-symbol-completion ()
"Test completion of Lisp forms like \"#'symbol\" and \"`symbol\".
See <lisp/eshell/esh-cmd.el>."
(with-temp-eshell
(should (equal (eshell-insert-and-complete "echo #'system-nam")
"echo #'system-name ")))
(with-temp-eshell
(should (equal (eshell-insert-and-complete "echo `system-nam")
"echo `system-name "))))
(ert-deftest em-cmpl-test/lisp-function-completion ()
"Test completion of Lisp forms like \"(func)\".
See <lisp/eshell/esh-cmd.el>."
(with-temp-eshell
(should (equal (eshell-insert-and-complete "echo (eshell/ech")
"echo (eshell/echo"))))
(ert-deftest em-cmpl-test/variable-ref-completion ()
"Test completion of variable references like \"$var\".
See <lisp/eshell/esh-var.el>."
(with-temp-eshell
(should (equal (eshell-insert-and-complete "echo $system-nam")
"echo $system-name "))))
(ert-deftest em-cmpl-test/variable-assign-completion ()
"Test completion of variable assignments like \"var=value\".
See <lisp/eshell/esh-var.el>."
(with-temp-eshell
(ert-with-temp-directory default-directory
(write-region nil nil (expand-file-name "file.txt"))
(should (equal (eshell-insert-and-complete "VAR=f")
"VAR=file.txt ")))))
(ert-deftest em-cmpl-test/user-ref-completion ()
"Test completeion of user references like \"~user\".
See <lisp/eshell/em-dirs.el>."
(unwind-protect
(with-temp-eshell
(cl-letf (((symbol-function 'eshell-read-user-names)
(lambda () (setq eshell-user-names '((1234 . "user"))))))
;; FIXME: Should this really add a space at the end?
(should (equal (eshell-insert-and-complete "echo ~us")
"echo ~user/ "))))
;; Clear the cached user names we set above.
(setq eshell-user-names nil)))
;;; em-cmpl-tests.el ends here
|