feat: include editorconfig-vim plugin

Signed-off-by: luc <onion0709@gmail.com>

sources_non_forked/editorconfig-vim/tests/plugin/.gitignore

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+# Where bundler installs local Gemfile dependencies
+/vendor/

sources_non_forked/editorconfig-vim/tests/plugin/Gemfile

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+source 'https://rubygems.org'
+
+gem 'rake', '~> 12.3.3'
+gem 'rspec', '~> 3.4.0'
+gem 'vimrunner', '~> 0.3.1'

sources_non_forked/editorconfig-vim/tests/plugin/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.2.5)
+    rake (12.3.3)
+    rspec (3.4.0)
+      rspec-core (~> 3.4.0)
+      rspec-expectations (~> 3.4.0)
+      rspec-mocks (~> 3.4.0)
+    rspec-core (3.4.1)
+      rspec-support (~> 3.4.0)
+    rspec-expectations (3.4.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.4.0)
+    rspec-mocks (3.4.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.4.0)
+    rspec-support (3.4.1)
+    vimrunner (0.3.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake (~> 12.3.3)
+  rspec (~> 3.4.0)
+  vimrunner (~> 0.3.1)

sources_non_forked/editorconfig-vim/tests/plugin/Rakefile

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+#
+# run `rake` to run tests
+
+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :default => :spec

sources_non_forked/editorconfig-vim/tests/plugin/spec/.editorconfig

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+[*.rb]
+indent_style = space
+indent_size = 2
+end_of_line = lf

sources_non_forked/editorconfig-vim/tests/plugin/spec/editorconfig_spec.rb

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+require 'vimrunner'
+
+def create_vim(*initial_commands)
+  vim = Vimrunner.start
+  initial_commands.each do |cmd|
+    vim.command cmd
+  end
+  vim.add_plugin(File.expand_path('../../../..', __FILE__), 'plugin/editorconfig.vim')
+  return vim
+end
+
+# The base path of the testing files
+BASE_PATH = File.expand_path('../plugin_tests/test_files/', __FILE__)
+
+# file_name is the file name that should be open by Vim
+# expected_values is a Hash that contains all the Vim options we need to test
+def test_editorconfig(vim, file_name, expected_values)
+  vim.edit(File.join(BASE_PATH, file_name))
+
+  expected_values.each do |key, val|
+    expect(vim.echo("&l:#{key}")).to eq(val)
+  end
+
+  vim.command 'bd!'
+end
+
+def test_instance(vim)
+  describe 'plugin/editorconfig.vim' do
+    after(:all) do
+      vim.kill
+    end
+
+    describe '#all' do
+      it '3_space.py' do
+        test_editorconfig vim, '3_space.txt',
+          expandtab: '1',
+          shiftwidth: '3',
+          tabstop: '3'
+      end
+    end
+
+    it '4_space.py' do
+      test_editorconfig vim, '4_space.py',
+        expandtab: '1',
+        shiftwidth: '4',
+        tabstop: '8'
+    end
+
+    it 'space.txt' do
+      test_editorconfig vim, 'space.txt',
+        expandtab: '1',
+        shiftwidth: vim.echo('&l:tabstop')
+    end
+
+    it 'tab.txt' do
+      test_editorconfig vim, 'tab.txt',
+        expandtab: '0'
+    end
+
+    it '4_tab.txt' do
+      test_editorconfig vim, '4_tab.txt',
+        expandtab: '0',
+        shiftwidth: '4',
+        tabstop: '4'
+    end
+
+    it '4_tab_width_of_8' do
+      test_editorconfig vim, '4_tab_width_of_8.txt',
+        expandtab: '0',
+        shiftwidth: '4',
+        tabstop: '8'
+    end
+
+    it 'lf.txt' do
+      test_editorconfig vim, 'lf.txt',
+        fileformat: 'unix'
+    end
+
+    it 'crlf.txt' do
+      test_editorconfig vim, 'crlf.txt',
+        fileformat: 'dos'
+    end
+
+    it 'cr.txt' do
+      test_editorconfig vim, 'cr.txt',
+        fileformat: 'mac'
+    end
+
+    it 'utf-8.txt' do
+      test_editorconfig vim, 'utf-8.txt',
+        fileencoding: 'utf-8',
+        bomb: '0'
+    end
+
+    it 'utf-8-bom.txt' do
+      test_editorconfig vim, 'utf-8-bom.txt',
+        fileencoding: 'utf-8',
+        bomb: '1'
+    end
+
+    it 'utf-16be.txt' do
+      test_editorconfig vim, 'utf-16be.txt',
+        fileencoding: 'utf-16'
+    end
+
+    it 'utf-16le.txt' do
+      test_editorconfig vim, 'utf-16le.txt',
+        fileencoding: 'utf-16le'
+    end
+
+    it 'latin1.txt' do
+      test_editorconfig vim, 'latin1.txt',
+        fileencoding: 'latin1'
+    end
+
+    # insert_final_newline by PreserveNoEOL tests are omitted, since they are not supported
+    if vim.echo("exists('+fixendofline')") == '1'
+      it 'with_newline.txt' do
+        test_editorconfig vim, 'with_newline.txt',
+          fixendofline: '1'
+      end
+
+      it 'without_newline.txt' do
+        test_editorconfig vim, 'without_newline.txt',
+          fixendofline: '0'
+      end
+    end
+  end
+end
+
+# Test the vim core
+(lambda do
+  puts 'Testing default'
+  vim = create_vim
+  test_instance vim
+end).call
+
+# Test the vim core with an express setting
+(lambda do
+  puts 'Testing with express vim_core mode'
+  vim = create_vim("let g:EditorConfig_core_mode='vim_core'")
+  test_instance vim
+end).call
+
+# Test with external-core mode, but no external core defined
+(lambda do
+  puts 'Testing with fallback to vim_core mode'
+  vim = create_vim("let g:EditorConfig_core_mode='external_command'")
+  test_instance vim
+end).call
+
+# Test with an external core, if desired
+extcore = ENV['EDITORCONFIG_VIM_EXTERNAL_CORE']
+if extcore
+  puts "Testing with external_command #{extcore}"
+  vim = create_vim(
+    "let g:EditorConfig_core_mode='external_command'",
+    "let g:EditorConfig_exec_path='#{extcore}'",
+  )
+  test_instance vim
+end