* test/misc/test_ruby_mode.rb: test for ruby-mode.el.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 136 insertions, 0 deletions

diff --git a/test/misc/test_ruby_mode.rb b/test/misc/test_ruby_mode.rb
new file mode 100644
index 0000000000..64786b3408
--- /dev/null
+++ b/test/misc/test_ruby_mode.rb
@@ -0,0 +1,136 @@
+require 'test/unit'
+require 'tempfile'
+require 'mkmf'
+
+class TestRubyMode < Test::Unit::TestCase
+  MISCDIR = File.expand_path("../../../misc", __FILE__)
+  if emacs = find_executable0(ENV["EMACS"] || "emacs")
+    EMACS = %W"#{emacs} --quick --batch --load #{MISCDIR}/ruby-mode.el"
+  else
+    EMACS = nil
+  end
+end
+
+class TestRubyMode
+  EVAL_OPT = "--eval"
+  EXPR_SAVE = "(save-buffer)"
+  EXPR_RUBYMODE = "(ruby-mode)"
+  EXPR_NOBACKUP = "(progn" \
+  " (set (make-local-variable \'backup-inhibited) t)" \
+  " (set-buffer-modified-p t)" \
+  ")"
+
+  def run_emacs(src, *exprs)
+    tmp = Tempfile.new(%w"ruby-mode.test. .rb")
+    tmp.puts(src)
+    tmp.close
+    exprs = exprs.map {|expr| [EVAL_OPT, expr]}.flatten
+    exprs.unshift(EVAL_OPT, EXPR_RUBYMODE)
+    exprs.unshift(EVAL_OPT, EXPR_NOBACKUP)
+    output = IO.popen([*EMACS, tmp.path, *exprs, err:[:child, :out]], "r") {|e| e.read}
+    tmp.open
+    result = tmp.read
+    tmp.close!
+    return result, output
+  end
+
+  class TestIndent < self
+    EXPR_INDENT = "(indent-region (point-min) (point-max))"
+
+    def assert_indent(expected, source, *message)
+      if space = expected[/\A\n?(\s*\|)/, 1]
+        space = /^#{Regexp.quote(space)}/m
+        expected.gsub!(space, '')
+        source.gsub!(space, '')
+      end
+      result, output = run_emacs(source, EXPR_INDENT, EXPR_SAVE)
+      assert_match(/^Wrote /, output)
+      assert_equal(expected, result, *message)
+    end
+
+    def test_simple
+      assert_indent('
+      |if foo
+      |  bar
+      |end
+      |zot
+      |', '
+      |if foo
+      |bar
+      |  end
+      |    zot
+      |')
+    end
+
+    def test_keyword_label
+      assert_indent('
+      |bar(class: XXX) do
+      |  foo
+      |end
+      |bar
+      |', '
+      |bar(class: XXX) do
+      |     foo
+      |  end
+      |    bar
+      |')
+    end
+
+    def test_method_with_question_mark
+      assert_indent('
+      |if x.is_a?(XXX)
+      |  foo
+      |end
+      |', '
+      |if x.is_a?(XXX)
+      | foo
+      |   end
+      |')
+    end
+
+    def test_expr_in_regexp
+      assert_indent('
+      |if /#{foo}/ =~ s
+      |  x = 1
+      |end
+      |', '
+      |if /#{foo}/ =~ s
+      | x = 1
+      |  end
+      |')
+    end
+
+    def test_singleton_class
+      assert_indent('
+      |class<<bar
+      |  foo
+      |end
+      |', '
+      |class<<bar
+      |foo
+      |   end
+      |')
+    end
+
+    def test_array_literal
+      assert_indent('
+      |foo = [
+      |  bar
+      |]
+      |', '
+      |foo = [
+      | bar
+      |  ]
+      |')
+      assert_indent('
+      |foo do
+      |  [bar]
+      |end
+      |', '
+      |foo do
+      |[bar]
+      |  end
+      |')
+    end
+  end
+end if TestRubyMode::EMACS