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| | ;;; ruby-mode-tests.el --- Test suite for ruby-mode
;; Copyright (C) 2012 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'ruby-mode)
(defun ruby-should-indent (content column)
"Assert indentation COLUMN on the last line of CONTENT."
(with-temp-buffer
(insert content)
(ruby-mode)
(ruby-indent-line)
(should (= (current-indentation) column))))
(defun ruby-should-indent-buffer (expected content)
"Assert that CONTENT turns into EXPECTED after the buffer is re-indented.
The whitespace before and including \"|\" on each line is removed."
(with-temp-buffer
(cl-flet ((fix-indent (s) (replace-regexp-in-string "^[ \t]*|" "" s)))
(insert (fix-indent content))
(ruby-mode)
(indent-region (point-min) (point-max))
(should (string= (fix-indent expected) (buffer-substring-no-properties
(point-min) (point-max)))))))
(defun ruby-assert-state (content &rest values-plist)
"Assert syntax state values at the end of CONTENT.
VALUES-PLIST is a list with alternating index and value elements."
(with-temp-buffer
(insert content)
(ruby-mode)
(syntax-propertize (point))
(while values-plist
(should (eq (nth (car values-plist)
(parse-partial-sexp (point-min) (point)))
(cadr values-plist)))
(setq values-plist (cddr values-plist)))))
(ert-deftest ruby-indent-after-symbol-made-from-string-interpolation ()
"It can indent the line after symbol made using string interpolation."
(ruby-should-indent "def foo(suffix)\n :\"bar#{suffix}\"\n"
ruby-indent-level))
(ert-deftest ruby-indent-after-js-style-symbol-with-block-beg-name ()
"JS-style hash symbol can have keyword name."
(ruby-should-indent "link_to \"home\", home_path, class: \"foo\"\n" 0))
(ert-deftest ruby-discern-singleton-class-from-heredoc ()
(ruby-assert-state "foo <<asd\n" 3 ?\n)
(ruby-assert-state "class <<asd\n" 3 nil))
(ert-deftest ruby-deep-indent ()
(let ((ruby-deep-arglist nil)
(ruby-deep-indent-paren '(?\( ?\{ ?\[ ?\] t)))
(ruby-should-indent "foo = [1,\n2" 7)
(ruby-should-indent "foo = {a: b,\nc: d" 7)
(ruby-should-indent "foo(a,\nb" 4)))
(ert-deftest ruby-deep-indent-disabled ()
(let ((ruby-deep-arglist nil)
(ruby-deep-indent-paren nil))
(ruby-should-indent "foo = [\n1" ruby-indent-level)
(ruby-should-indent "foo = {\na: b" ruby-indent-level)
(ruby-should-indent "foo(\na" ruby-indent-level)))
(ert-deftest ruby-indent-simple ()
(ruby-should-indent-buffer
"if foo
| bar
|end
|zot
|"
"if foo
|bar
| end
| zot
|"))
(ert-deftest ruby-indent-keyword-label ()
(ruby-should-indent-buffer
"bar(class: XXX) do
| foo
|end
|bar
|"
"bar(class: XXX) do
| foo
| end
| bar
|"))
(ert-deftest ruby-indent-method-with-question-mark ()
(ruby-should-indent-buffer
"if x.is_a?(XXX)
| foo
|end
|"
"if x.is_a?(XXX)
| foo
| end
|"))
(ert-deftest ruby-indent-expr-in-regexp ()
(ruby-should-indent-buffer
"if /#{foo}/ =~ s
| x = 1
|end
|"
"if /#{foo}/ =~ s
| x = 1
| end
|"))
(ert-deftest ruby-indent-singleton-class ()
:expected-result :failed ; Doesn't work yet, when no space before "<<".
(ruby-should-indent-buffer
"class<<bar
| foo
|end
|"
"class<<bar
|foo
| end
|"))
(ert-deftest ruby-indent-array-literal ()
(let ((ruby-deep-indent-paren nil))
(ruby-should-indent-buffer
"foo = [
| bar
|]
|"
"foo = [
| bar
| ]
|"))
(ruby-should-indent-buffer
"foo do
| [bar]
|end
|"
"foo do
|[bar]
| end
|"))
(ert-deftest ruby-indent-begin-end ()
(ruby-should-indent-buffer
"begin
| a[b]
|end
|"
"begin
| a[b]
| end
|"))
(ert-deftest ruby-indent-array-after-paren-and-space ()
(ruby-should-indent-buffer
"class A
| def foo
| foo( [])
| end
|end
|"
"class A
| def foo
|foo( [])
|end
| end
|"))
(provide 'ruby-mode-tests)
;;; ruby-mode-tests.el ends here
|