activesupport/lib/active_support/core_ext/string/interpolation.rb @@ -7,3 +7,4 @@ require 'active_support/core_ext/string/access' require 'active_support/core_ext/string/iterators' require 'active_support/core_ext/string/xchar' require 'active_support/core_ext/string/behavior' +require 'active_support/core_ext/string/interpolation' \ No newline at end of file activesupport/lib/active_support/core_ext/string.rb @@ -280,3 +280,65 @@ class CoreExtStringMultibyteTest < ActiveSupport::TestCase end end end + +=begin + string.rb - Interpolation for String. + + Copyright (C) 2005-2009 Masao Mutoh + + You may redistribute it and/or modify it under the same + license terms as Ruby. +=end +class TestGetTextString < Test::Unit::TestCase + def test_sprintf + assert_equal("foo is a number", "%{msg} is a number" % {:msg => "foo"}) + assert_equal("bar is a number", "%s is a number" % ["bar"]) + assert_equal("bar is a number", "%s is a number" % "bar") + assert_equal("1, test", "%{num}, %{record}" % {:num => 1, :record => "test"}) + assert_equal("test, 1", "%{record}, %{num}" % {:num => 1, :record => "test"}) + assert_equal("1, test", "%d, %s" % [1, "test"]) + assert_equal("test, 1", "%2$s, %1$d" % [1, "test"]) + assert_raise(ArgumentError) { "%-%" % [1] } + end + + def test_percent + assert_equal("% 1", "%% %<num>d" % {:num => 1.0}) + assert_equal("%{num} %<num>d", "%%{num} %%<num>d" % {:num => 1}) + end + + def test_sprintf_percent_in_replacement + assert_equal("%<not_translated>s", "%{msg}" % { :msg => '%<not_translated>s', :not_translated => 'should not happen' }) + end + + def test_sprintf_lack_argument + assert_equal("%{num}, test", "%{num}, %{record}" % {:record => "test"}) + assert_equal("%{record}", "%{record}" % {:num => 1}) + end + + def test_no_placeholder + assert_equal("aaa", "aaa" % {:num => 1}) + assert_equal("bbb", "bbb" % [1]) + end + + def test_sprintf_ruby19_style + assert_equal("1", "%<num>d" % {:num => 1}) + assert_equal("0b1", "%<num>#b" % {:num => 1}) + assert_equal("foo", "%<msg>s" % {:msg => "foo"}) + assert_equal("1.000000", "%<num>f" % {:num => 1.0}) + assert_equal(" 1", "%<num>3.0f" % {:num => 1.0}) + assert_equal("100.00", "%<num>2.2f" % {:num => 100.0}) + assert_equal("0x64", "%<num>#x" % {:num => 100.0}) + assert_raise(ArgumentError) { "%<num>,d" % {:num => 100} } + assert_raise(ArgumentError) { "%<num>/d" % {:num => 100} } + end + + def test_sprintf_old_style + assert_equal("foo 1.000000", "%s %f" % ["foo", 1.0]) + end + + def test_sprintf_mix + assert_equal("foo 1.000000", "%{name} %<num>f" % {:name => "foo", :num => 1.0}) + assert_equal("%{name} 1.000000", "%{name} %f" % [1.0]) + assert_equal("%{name} 1.000000", "%{name} %f" % [1.0, 2.0]) + end +end activesupport/test/core_ext/string_ext_test.rb 187d90f7529e02c3c863e6b68b45d8e34f315140 Lawrence Pit lawrencepit lawrence.pit@gmail.com http://github.com/rails/rails/commit/da635394c1c3004f4dacf4a35275404e5b1aef43 da635394c1c3004f4dacf4a35275404e5b1aef43 2009-07-07T16:21:57-07:00 2009-07-05T17:27:31-07:00 Ruby 1.9 style String interpolation support for lower ruby versions. Thanks to code from Masao Mutoh's GetText gem. [#2870 state:resolved] Signed-off-by: Yehuda Katz <wycats@yehuda-katzs-macbookpro41.local> 2fc08f61477d70c761ea69b8ab577c383c5b34ff Yehuda Katz wycats@yehuda-katzs-macbookpro41.local