--- /dev/null
+;;; ruby-mode-tests.el --- Test suite for ruby-mode
+
+;; Copyright (C) 2012-2016 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 'ert)
+(require 'ruby-mode)
+
+(defmacro ruby-with-temp-buffer (contents &rest body)
+ (declare (indent 1) (debug t))
+ `(with-temp-buffer
+ (insert ,contents)
+ (ruby-mode)
+ ,@body))
+
+(defun ruby-should-indent (content column)
+ "Assert indentation COLUMN on the last line of CONTENT."
+ (ruby-with-temp-buffer content
+ (indent-according-to-mode)
+ (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."
+ (ruby-with-temp-buffer (ruby-test-string content)
+ (indent-region (point-min) (point-max))
+ (should (string= (ruby-test-string expected) (buffer-string)))))
+
+(defun ruby-test-string (s &rest args)
+ (apply 'format (replace-regexp-in-string "^[ \t]*|" "" s) args))
+
+(defun ruby-assert-state (content index value &optional point)
+ "Assert syntax state values at the end of CONTENT.
+
+VALUES-PLIST is a list with alternating index and value elements."
+ (ruby-with-temp-buffer content
+ (when point (goto-char point))
+ (syntax-propertize (point))
+ (should (eq (nth index
+ (parse-partial-sexp (point-min) (point)))
+ value))))
+
+(defun ruby-assert-face (content pos face)
+ (ruby-with-temp-buffer content
+ (font-lock-ensure nil nil)
+ (should (eq face (get-text-property pos 'face)))))
+
+(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-heredoc-font-lock ()
+ (let ((s "foo <<eos.gsub('^ *', '')"))
+ (ruby-assert-face s 9 font-lock-string-face)
+ (ruby-assert-face s 10 nil)))
+
+(ert-deftest ruby-singleton-class-no-heredoc-font-lock ()
+ (ruby-assert-face "class<<a" 8 nil))
+
+(ert-deftest ruby-heredoc-highlights-interpolations ()
+ (ruby-assert-face "s = <<EOS\n #{foo}\nEOS" 15 font-lock-variable-name-face))
+
+(ert-deftest ruby-no-heredoc-inside-quotes ()
+ (ruby-assert-state "\"<<\", \"\",\nfoo" 3 nil))
+
+(ert-deftest ruby-no-heredoc-left-shift ()
+ ;; We can't really detect the left shift operator (like in similar
+ ;; cases, it depends on the type of foo), so we just require for <<
+ ;; to be preceded by a character from a known set.
+ (ruby-assert-state "foo(a<<b)" 3 nil))
+
+(ert-deftest ruby-no-heredoc-class-self ()
+ (ruby-assert-state "class <<self\nend" 3 nil))
+
+(ert-deftest ruby-exit!-font-lock ()
+ (ruby-assert-face "exit!" 5 font-lock-builtin-face))
+
+(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-after-keyword-in-a-string ()
+ (ruby-should-indent "a = \"abc\nif\"\n " 0)
+ (ruby-should-indent "a = %w[abc\n def]\n " 0)
+ (ruby-should-indent "a = \"abc\n def\"\n " 0))
+
+(ert-deftest ruby-regexp-doesnt-start-in-string ()
+ (ruby-assert-state "'(/', /\d+/" 3 nil))
+
+(ert-deftest ruby-regexp-starts-after-string ()
+ (ruby-assert-state "'(/', /\d+/" 3 ?/ 8))
+
+(ert-deftest ruby-regexp-interpolation-is-highlighted ()
+ (ruby-assert-face "/#{foobs}/" 4 font-lock-variable-name-face))
+
+(ert-deftest ruby-regexp-skips-over-interpolation ()
+ (ruby-assert-state "/#{foobs.join('/')}/" 3 nil))
+
+(ert-deftest ruby-regexp-continues-till-end-when-unclosed ()
+ (ruby-assert-state "/bars" 3 ?/))
+
+(ert-deftest ruby-regexp-can-be-multiline ()
+ (ruby-assert-state "/bars\ntees # toots \nfoos/" 3 nil))
+
+(ert-deftest ruby-slash-symbol-is-not-mistaken-for-regexp ()
+ (ruby-assert-state ":/" 3 nil))
+
+(ert-deftest ruby-slash-char-literal-is-not-mistaken-for-regexp ()
+ (ruby-assert-state "?/" 3 nil))
+
++(ert-deftest ruby-regexp-is-not-mistaken-for-slash-symbol ()
++ (ruby-assert-state "x = /foo:/" 3 nil))
++
+(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 ()
+ (ruby-should-indent-buffer
+ "class<<bar
+ | foo
+ |end
+ |"
+ "class<<bar
+ |foo
+ | end
+ |"))
+
+(ert-deftest ruby-indent-inside-heredoc-after-operator ()
+ (ruby-should-indent-buffer
+ "b=<<eos
+ | 42"
+ "b=<<eos
+ | 42"))
+
+(ert-deftest ruby-indent-inside-heredoc-after-space ()
+ (ruby-should-indent-buffer
+ "foo <<eos.gsub(' ', '*')
+ | 42"
+ "foo <<eos.gsub(' ', '*')
+ | 42"))
+
+(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
+ |"))
+
+(ert-deftest ruby-indent-after-block-in-continued-expression ()
+ (ruby-should-indent-buffer
+ "var =
+ | begin
+ | val
+ | end
+ |statement"
+ "var =
+ |begin
+ |val
+ |end
+ |statement"))
+
+(ert-deftest ruby-indent-spread-args-in-parens ()
+ (let ((ruby-deep-indent-paren '(?\()))
+ (ruby-should-indent-buffer
+ "foo(1,
+ | 2,
+ | 3)
+ |"
+ "foo(1,
+ | 2,
+ | 3)
+ |")))
+
+(ert-deftest ruby-align-to-stmt-keywords-t ()
+ (let ((ruby-align-to-stmt-keywords t))
+ (ruby-should-indent-buffer
+ "foo = if bar?
+ | 1
+ |else
+ | 2
+ |end
+ |
+ |foo || begin
+ | bar
+ |end
+ |
+ |foo ||
+ | begin
+ | bar
+ | end
+ |"
+ "foo = if bar?
+ | 1
+ |else
+ | 2
+ | end
+ |
+ | foo || begin
+ | bar
+ |end
+ |
+ | foo ||
+ | begin
+ |bar
+ | end
+ |")
+ ))
+
+(ert-deftest ruby-align-to-stmt-keywords-case ()
+ (let ((ruby-align-to-stmt-keywords '(case)))
+ (ruby-should-indent-buffer
+ "b = case a
+ |when 13
+ | 6
+ |else
+ | 42
+ |end"
+ "b = case a
+ | when 13
+ | 6
+ | else
+ | 42
+ | end")))
+
+(ert-deftest ruby-align-chained-calls ()
+ (let ((ruby-align-chained-calls t))
+ (ruby-should-indent-buffer
+ "one.two.three
+ | .four
+ |
+ |my_array.select { |str| str.size > 5 }
+ | .map { |str| str.downcase }"
+ "one.two.three
+ | .four
+ |
+ |my_array.select { |str| str.size > 5 }
+ | .map { |str| str.downcase }")))
+
+(ert-deftest ruby-move-to-block-stops-at-indentation ()
+ (ruby-with-temp-buffer "def f\nend"
+ (beginning-of-line)
+ (ruby-move-to-block -1)
+ (should (looking-at "^def"))))
+
+(ert-deftest ruby-toggle-block-to-do-end ()
+ (ruby-with-temp-buffer "foo {|b|\n}"
+ (beginning-of-line)
+ (ruby-toggle-block)
+ (should (string= "foo do |b|\nend" (buffer-string)))))
+
+(ert-deftest ruby-toggle-block-to-brace ()
+ (let ((pairs '((17 . "foo { |b| b + 2 }")
+ (16 . "foo { |b|\n b + 2\n}"))))
+ (dolist (pair pairs)
+ (with-temp-buffer
+ (let ((fill-column (car pair)))
+ (insert "foo do |b|\n b + 2\nend")
+ (ruby-mode)
+ (beginning-of-line)
+ (ruby-toggle-block)
+ (should (string= (cdr pair) (buffer-string))))))))
+
+(ert-deftest ruby-toggle-block-to-multiline ()
+ (ruby-with-temp-buffer "foo {|b| b + 1}"
+ (beginning-of-line)
+ (ruby-toggle-block)
+ (should (string= "foo do |b|\n b + 1\nend" (buffer-string)))))
+
+(ert-deftest ruby-toggle-block-with-interpolation ()
+ (ruby-with-temp-buffer "foo do\n \"#{bar}\"\nend"
+ (beginning-of-line)
+ (ruby-toggle-block)
+ (should (string= "foo { \"#{bar}\" }" (buffer-string)))))
+
+(ert-deftest ruby-recognize-symbols-starting-with-at-character ()
+ (ruby-assert-face ":@abc" 3 font-lock-constant-face))
+
+(ert-deftest ruby-hash-character-not-interpolation ()
+ (ruby-assert-face "\"This is #{interpolation}\"" 15
+ font-lock-variable-name-face)
+ (ruby-assert-face "\"This is \\#{no interpolation} despite the #\""
+ 15 font-lock-string-face)
+ (ruby-assert-face "\n#@comment, not ruby code" 5 font-lock-comment-face)
+ (ruby-assert-state "\n#@comment, not ruby code" 4 t)
+ (ruby-assert-face "# A comment cannot have #{an interpolation} in it"
+ 30 font-lock-comment-face)
+ (ruby-assert-face "# #{comment}\n \"#{interpolation}\"" 16
+ font-lock-variable-name-face))
+
+(ert-deftest ruby-interpolation-suppresses-quotes-inside ()
+ (let ((s "\"<ul><li>#{@files.join(\"</li><li>\")}</li></ul>\""))
+ (ruby-assert-state s 8 nil)
+ (ruby-assert-face s 9 font-lock-string-face)
+ (ruby-assert-face s 10 font-lock-variable-name-face)
+ (ruby-assert-face s 41 font-lock-string-face)))
+
+(ert-deftest ruby-interpolation-suppresses-one-double-quote ()
+ (let ((s "\"foo#{'\"'}\""))
+ (ruby-assert-state s 8 nil)
+ (ruby-assert-face s 8 font-lock-variable-name-face)
+ (ruby-assert-face s 11 font-lock-string-face)))
+
+(ert-deftest ruby-interpolation-suppresses-one-backtick ()
+ (let ((s "`as#{'`'}das`"))
+ (ruby-assert-state s 8 nil)))
+
+(ert-deftest ruby-interpolation-keeps-non-quote-syntax ()
+ (let ((s "\"foo#{baz.tee}bar\""))
+ (ruby-with-temp-buffer s
+ (goto-char (point-min))
+ (ruby-mode)
+ (syntax-propertize (point-max))
+ (search-forward "tee")
+ (should (string= (thing-at-point 'symbol) "tee")))))
+
+(ert-deftest ruby-interpolation-inside-percent-literal ()
+ (let ((s "%( #{boo} )"))
+ (ruby-assert-face s 1 font-lock-string-face)
+ (ruby-assert-face s 4 font-lock-variable-name-face)
+ (ruby-assert-face s 10 font-lock-string-face)
+ (ruby-assert-state s 8 nil)))
+
+(ert-deftest ruby-interpolation-inside-percent-literal-with-paren ()
+ :expected-result :failed
+ (let ((s "%(^#{\")\"}^)"))
+ (ruby-assert-face s 3 font-lock-string-face)
+ (ruby-assert-face s 4 font-lock-variable-name-face)
+ (ruby-assert-face s 10 font-lock-string-face)
+ ;; It's confused by the closing paren in the middle.
+ (ruby-assert-state s 8 nil)))
+
+(ert-deftest ruby-interpolation-inside-another-interpolation ()
+ :expected-result :failed
+ (let ((s "\"#{[a, b, c].map { |v| \"#{v}\" }.join}\""))
+ (ruby-assert-face s 1 font-lock-string-face)
+ (ruby-assert-face s 2 font-lock-variable-name-face)
+ (ruby-assert-face s 38 font-lock-string-face)
+ (ruby-assert-state s 8 nil)))
+
+(ert-deftest ruby-interpolation-inside-double-quoted-percent-literals ()
+ (ruby-assert-face "%Q{foo #@bar}" 8 font-lock-variable-name-face)
+ (ruby-assert-face "%W{foo #@bar}" 8 font-lock-variable-name-face)
+ (ruby-assert-face "%r{foo #@bar}" 8 font-lock-variable-name-face)
+ (ruby-assert-face "%x{foo #@bar}" 8 font-lock-variable-name-face))
+
+(ert-deftest ruby-no-interpolation-in-single-quoted-literals ()
+ (ruby-assert-face "'foo #@bar'" 7 font-lock-string-face)
+ (ruby-assert-face "%q{foo #@bar}" 8 font-lock-string-face)
+ (ruby-assert-face "%w{foo #@bar}" 8 font-lock-string-face)
+ (ruby-assert-face "%s{foo #@bar}" 8 font-lock-string-face))
+
+(ert-deftest ruby-interpolation-after-dollar-sign ()
+ (ruby-assert-face "\"$#{balance}\"" 2 'font-lock-string-face)
+ (ruby-assert-face "\"$#{balance}\"" 3 'font-lock-variable-name-face))
+
+(ert-deftest ruby-no-unknown-percent-literals ()
+ ;; No folding of case.
+ (ruby-assert-face "%S{foo}" 4 nil)
+ (ruby-assert-face "%R{foo}" 4 nil))
+
+(ert-deftest ruby-no-nested-percent-literals ()
+ (ruby-with-temp-buffer "a = %w[b %()]"
+ (syntax-propertize (point))
+ (should (null (nth 8 (syntax-ppss))))
+ (should (eq t (nth 3 (syntax-ppss (1- (point-max))))))
+ (search-backward "[")
+ (should (eq t (nth 3 (syntax-ppss))))))
+
+(ert-deftest ruby-add-log-current-method-examples ()
+ (let ((pairs '(("foo" . "#foo")
+ ("C.foo" . ".foo")
+ ("self.foo" . ".foo"))))
+ (dolist (pair pairs)
+ (let ((name (car pair))
+ (value (cdr pair)))
+ (ruby-with-temp-buffer (ruby-test-string
+ "module M
+ | class C
+ | def %s
+ | _
+ | end
+ | end
+ |end"
+ name)
+ (search-backward "_")
+ (forward-line)
+ (should (string= (ruby-add-log-current-method)
+ (format "M::C%s" value))))))))
+
+(ert-deftest ruby-add-log-current-method-outside-of-method ()
+ (ruby-with-temp-buffer (ruby-test-string
+ "module M
+ | class C
+ | def foo
+ | end
+ | _
+ | end
+ |end")
+ (search-backward "_")
+ (should (string= (ruby-add-log-current-method)"M::C"))))
+
+(ert-deftest ruby-add-log-current-method-in-singleton-class ()
+ (ruby-with-temp-buffer (ruby-test-string
+ "class C
+ | class << self
+ | def foo
+ | _
+ | end
+ | end
+ |end")
+ (search-backward "_")
+ (should (string= (ruby-add-log-current-method) "C.foo"))))
+
+(ert-deftest ruby-add-log-current-method-namespace-shorthand ()
+ (ruby-with-temp-buffer (ruby-test-string
+ "class C::D
+ | def foo
+ | _
+ | end
+ |end")
+ (search-backward "_")
+ (should (string= (ruby-add-log-current-method) "C::D#foo"))))
+
+(ert-deftest ruby-add-log-current-method-after-inner-class ()
+ (ruby-with-temp-buffer (ruby-test-string
+ "module M
+ | class C
+ | class D
+ | end
+ | def foo
+ | _
+ | end
+ | end
+ |end")
+ (search-backward "_")
+ (should (string= (ruby-add-log-current-method) "M::C#foo"))))
+
+(defvar ruby-block-test-example
+ (ruby-test-string
+ "class C
+ | def foo
+ | 1
+ | end
+ |
+ | def bar
+ | 2
+ | end
+ |
+ | def baz
+ |some do
+ |3
+ | end
+ | end
+ |end"))
+
+(defmacro ruby-deftest-move-to-block (name &rest body)
+ (declare (indent defun))
+ `(ert-deftest ,(intern (format "ruby-move-to-block-%s" name)) ()
+ (with-temp-buffer
+ (insert ruby-block-test-example)
+ (ruby-mode)
+ (goto-char (point-min))
+ ,@body)))
+
+(ruby-deftest-move-to-block works-on-do
+ (forward-line 10)
+ (ruby-end-of-block)
+ (should (= 13 (line-number-at-pos)))
+ (ruby-beginning-of-block)
+ (should (= 11 (line-number-at-pos))))
+
+(ruby-deftest-move-to-block zero-is-noop
+ (forward-line 4)
+ (ruby-move-to-block 0)
+ (should (= 5 (line-number-at-pos))))
+
+(ruby-deftest-move-to-block ok-with-three
+ (forward-line 1)
+ (ruby-move-to-block 3)
+ (should (= 14 (line-number-at-pos))))
+
+(ruby-deftest-move-to-block ok-with-minus-two
+ (forward-line 9)
+ (ruby-move-to-block -2)
+ (should (= 2 (line-number-at-pos))))
+
+(ert-deftest ruby-move-to-block-skips-percent-literal ()
+ (dolist (s (list (ruby-test-string
+ "foo do
+ | a = %%w(
+ | def yaa
+ | )
+ |end")
+ (ruby-test-string
+ "foo do
+ | a = %%w|
+ | end
+ | |
+ |end")))
+ (ruby-with-temp-buffer s
+ (goto-char (point-min))
+ (ruby-end-of-block)
+ (should (= 5 (line-number-at-pos)))
+ (ruby-beginning-of-block)
+ (should (= 1 (line-number-at-pos))))))
+
+(ert-deftest ruby-move-to-block-skips-heredoc ()
+ (ruby-with-temp-buffer
+ (ruby-test-string
+ "if something_wrong?
+ | ActiveSupport::Deprecation.warn(<<-eowarn)
+ | boo hoo
+ | end
+ | eowarn
+ |end")
+ (goto-char (point-min))
+ (ruby-end-of-block)
+ (should (= 6 (line-number-at-pos)))
+ (ruby-beginning-of-block)
+ (should (= 1 (line-number-at-pos)))))
+
+(ert-deftest ruby-move-to-block-does-not-fold-case ()
+ (ruby-with-temp-buffer
+ (ruby-test-string
+ "foo do
+ | Module.to_s
+ |end")
+ (let ((case-fold-search t))
+ (ruby-beginning-of-block))
+ (should (= 1 (line-number-at-pos)))))
+
+(ert-deftest ruby-move-to-block-moves-from-else-to-if ()
+ (ruby-with-temp-buffer (ruby-test-string
+ "if true
+ | nested_block do
+ | end
+ |else
+ |end")
+ (goto-char (point-min))
+ (forward-line 3)
+ (ruby-beginning-of-block)
+ (should (= 1 (line-number-at-pos)))))
+
+(ert-deftest ruby-beginning-of-defun-does-not-fold-case ()
+ (ruby-with-temp-buffer
+ (ruby-test-string
+ "class C
+ | def bar
+ | Class.to_s
+ | end
+ |end")
+ (goto-char (point-min))
+ (forward-line 3)
+ (let ((case-fold-search t))
+ (beginning-of-defun))
+ (should (= 2 (line-number-at-pos)))))
+
+(ert-deftest ruby-end-of-defun-skips-to-next-line-after-the-method ()
+ (ruby-with-temp-buffer
+ (ruby-test-string
+ "class D
+ | def tee
+ | 'ho hum'
+ | end
+ |end")
+ (goto-char (point-min))
+ (forward-line 1)
+ (end-of-defun)
+ (should (= 5 (line-number-at-pos)))))
+
+(defvar ruby-sexp-test-example
+ (ruby-test-string
+ "class C
+ | def foo
+ | self.end
+ | D.new.class
+ | [1, 2, 3].map do |i|
+ | i + 1
+ | end.sum
+ | end
+ |end"))
+
+(ert-deftest ruby-forward-sexp-skips-method-calls-with-keyword-names ()
+ (ruby-with-temp-buffer ruby-sexp-test-example
+ (goto-line 2)
+ (ruby-forward-sexp)
+ (should (= 8 (line-number-at-pos)))))
+
+(ert-deftest ruby-backward-sexp-skips-method-calls-with-keyword-names ()
+ (ruby-with-temp-buffer ruby-sexp-test-example
+ (goto-line 8)
+ (end-of-line)
+ (ruby-backward-sexp)
+ (should (= 2 (line-number-at-pos)))))
+
+(ert-deftest ruby--insert-coding-comment-ruby-style ()
+ (with-temp-buffer
+ (let ((ruby-encoding-magic-comment-style 'ruby))
+ (ruby--insert-coding-comment "utf-8")
+ (should (string= "# coding: utf-8\n" (buffer-string))))))
+
+(ert-deftest ruby--insert-coding-comment-emacs-style ()
+ (with-temp-buffer
+ (let ((ruby-encoding-magic-comment-style 'emacs))
+ (ruby--insert-coding-comment "utf-8")
+ (should (string= "# -*- coding: utf-8 -*-\n" (buffer-string))))))
+
+(ert-deftest ruby--insert-coding-comment-custom-style ()
+ (with-temp-buffer
+ (let ((ruby-encoding-magic-comment-style 'custom)
+ (ruby-custom-encoding-magic-comment-template "# encoding: %s\n"))
+ (ruby--insert-coding-comment "utf-8")
+ (should (string= "# encoding: utf-8\n\n" (buffer-string))))))
+
+
+(provide 'ruby-mode-tests)
+
+;;; ruby-mode-tests.el ends here