From ae1debd442113ed9476e776fe27cd95730896b59 Mon Sep 17 00:00:00 2001 From: Piotr Sarnacki Date: Thu, 21 Oct 2010 00:55:08 +0200 Subject: Make tests for app and plugin generators more DRY --- railties/test/generators/shared_generator_tests.rb | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 railties/test/generators/shared_generator_tests.rb (limited to 'railties/test/generators/shared_generator_tests.rb') diff --git a/railties/test/generators/shared_generator_tests.rb b/railties/test/generators/shared_generator_tests.rb new file mode 100644 index 0000000000..71cde6785c --- /dev/null +++ b/railties/test/generators/shared_generator_tests.rb @@ -0,0 +1,177 @@ +module SharedGeneratorTests + def setup + Rails.application = TestApp::Application + super + Rails::Generators::AppGenerator.instance_variable_set('@desc', nil) + @bundle_command = File.basename(Thor::Util.ruby_command).sub(/ruby/, 'bundle') + + Kernel::silence_warnings do + Thor::Base.shell.send(:attr_accessor, :always_force) + @shell = Thor::Base.shell.new + @shell.send(:always_force=, true) + end + end + + def teardown + super + Rails::Generators::AppGenerator.instance_variable_set('@desc', nil) + Rails.application = TestApp::Application.instance + end + + def test_skeleton_is_created + run_generator + + default_files.each{ |path| assert_file path } + end + + def test_plugin_new_generate_pretend + run_generator ["testapp", "--pretend"] + + default_files.each{ |path| assert_no_file path } + end + + def test_options_before_application_name_raises_an_error + content = capture(:stderr){ run_generator(["--pretend", destination_root]) } + assert_match /Options should be given after the \w+ name. For details run: rails( plugin)? --help\n/, content + end + + def test_name_collision_raises_an_error + reserved_words = %w[application destroy plugin runner test] + reserved_words.each do |reserved| + content = capture(:stderr){ run_generator [File.join(destination_root, reserved)] } + assert_match /Invalid \w+ name #{reserved}. Please give a name which does not match one of the reserved rails words.\n/, content + end + end + + def test_name_raises_an_error_if_name_already_used_constant + %w{ String Hash Class Module Set Symbol }.each do |ruby_class| + content = capture(:stderr){ run_generator [File.join(destination_root, ruby_class)] } + assert_match /Invalid \w+ name #{ruby_class}, constant #{ruby_class} is already in use. Please choose another \w+ name.\n/, content + end + end + + def test_shebang_is_added_to_rails_file + run_generator [destination_root, "--ruby", "foo/bar/baz"] + assert_file "script/rails", /#!foo\/bar\/baz/ + end + + def test_shebang_when_is_the_same_as_default_use_env + run_generator [destination_root, "--ruby", Thor::Util.ruby_command] + assert_file "script/rails", /#!\/usr\/bin\/env/ + end + + def test_template_raises_an_error_with_invalid_path + content = capture(:stderr){ run_generator([destination_root, "-m", "non/existant/path"]) } + assert_match /The template \[.*\] could not be loaded/, content + assert_match /non\/existant\/path/, content + end + + def test_template_is_executed_when_supplied + path = "http://gist.github.com/103208.txt" + template = %{ say "It works!" } + template.instance_eval "def read; self; end" # Make the string respond to read + + generator([destination_root], :template => path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template) + assert_match /It works!/, silence(:stdout){ generator.invoke_all } + end + + def test_dev_option + generator([destination_root], :dev => true).expects(:run).with("#{@bundle_command} install") + silence(:stdout){ generator.invoke_all } + rails_path = File.expand_path('../../..', Rails.root) + assert_file 'Gemfile', /^gem\s+["']rails["'],\s+:path\s+=>\s+["']#{Regexp.escape(rails_path)}["']$/ + end + + def test_edge_option + generator([destination_root], :edge => true).expects(:run).with("#{@bundle_command} install") + silence(:stdout){ generator.invoke_all } + assert_file 'Gemfile', %r{^gem\s+["']rails["'],\s+:git\s+=>\s+["']#{Regexp.escape("git://github.com/rails/rails.git")}["']$} + end + + def test_template_raises_an_error_with_invalid_path + content = capture(:stderr){ run_generator([destination_root, "-m", "non/existant/path"]) } + assert_match /The template \[.*\] could not be loaded/, content + assert_match /non\/existant\/path/, content + end + + def test_template_is_executed_when_supplied + path = "http://gist.github.com/103208.txt" + template = %{ say "It works!" } + template.instance_eval "def read; self; end" # Make the string respond to read + + generator([destination_root], :template => path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template) + assert_match /It works!/, silence(:stdout){ generator.invoke_all } + end + + def test_dev_option + generator([destination_root], :dev => true).expects(:run).with("#{@bundle_command} install") + silence(:stdout){ generator.invoke_all } + rails_path = File.expand_path('../../..', Rails.root) + assert_file 'Gemfile', /^gem\s+["']rails["'],\s+:path\s+=>\s+["']#{Regexp.escape(rails_path)}["']$/ + end + + def test_edge_option + generator([destination_root], :edge => true).expects(:run).with("#{@bundle_command} install") + silence(:stdout){ generator.invoke_all } + assert_file 'Gemfile', %r{^gem\s+["']rails["'],\s+:git\s+=>\s+["']#{Regexp.escape("git://github.com/rails/rails.git")}["']$} + end +end + +module SharedCustomGeneratorTests + def setup + Rails.application = TestApp::Application + super + Rails::Generators::AppGenerator.instance_variable_set('@desc', nil) + @bundle_command = File.basename(Thor::Util.ruby_command).sub(/ruby/, 'bundle') + end + + def teardown + super + Rails::Generators::AppGenerator.instance_variable_set('@desc', nil) + Object.class_eval do + remove_const :AppBuilder if const_defined?(:AppBuilder) + remove_const :PluginBuilder if const_defined?(:PluginBuilder) + end + Rails.application = TestApp::Application.instance + end + + def test_builder_option_with_empty_app_builder + FileUtils.cd(destination_root) + run_generator([destination_root, "-b", "#{Rails.root}/lib/#{builders_dir}/empty_builder.rb"]) + default_files.each{ |path| assert_no_file path } + end + + def test_builder_option_with_simple_plugin_builder + FileUtils.cd(destination_root) + run_generator([destination_root, "-b", "#{Rails.root}/lib/#{builders_dir}/simple_builder.rb"]) + (default_files - ['.gitignore']).each{ |path| assert_no_file path } + assert_file ".gitignore", "foobar" + end + + def test_builder_option_with_relative_path + here = File.expand_path(File.dirname(__FILE__)) + FileUtils.cd(here) + run_generator([destination_root, "-b", "../fixtures/lib/#{builders_dir}/simple_builder.rb"]) + FileUtils.cd(destination_root) + (default_files - ['.gitignore']).each{ |path| assert_no_file path } + assert_file ".gitignore", "foobar" + end + + def test_builder_option_with_tweak_plugin_builder + FileUtils.cd(destination_root) + run_generator([destination_root, "-b", "#{Rails.root}/lib/#{builders_dir}/tweak_builder.rb"]) + default_files.each{ |path| assert_file path } + assert_file ".gitignore", "foobar" + end + + def test_builder_option_with_http + path = "http://gist.github.com/103208.txt" + template = "class #{builder_class}; end" + template.instance_eval "def read; self; end" # Make the string respond to read + + generator([destination_root], :builder => path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template) + capture(:stdout) { generator.invoke_all } + + default_files.each{ |path| assert_no_file path } + end +end -- cgit v1.2.3