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# -*- encoding: utf-8 -*-
describe :string_encode, :shared => true do
describe "when passed no options" do
it "transcodes to Encoding.default_internal when set" do
Encoding.default_internal = Encoding::UTF_8
str = "\xA4\xA2".force_encoding Encoding::EUC_JP
str.send(@method).should == "あ"
end
it "transcodes a 7-bit String despite no generic converting being available" do
lambda do
Encoding::Converter.new Encoding::Emacs_Mule, Encoding::ASCII_8BIT
end.should raise_error(Encoding::ConverterNotFoundError)
Encoding.default_internal = Encoding::Emacs_Mule
str = "\x79".force_encoding Encoding::ASCII_8BIT
str.send(@method).should == "y".force_encoding(Encoding::ASCII_8BIT)
end
it "raises an Encoding::ConverterNotFoundError when no conversion is possible" do
Encoding.default_internal = Encoding::Emacs_Mule
str = "\x80".force_encoding Encoding::ASCII_8BIT
lambda { str.send(@method) }.should raise_error(Encoding::ConverterNotFoundError)
end
end
describe "when passed to encoding" do
it "accepts a String argument" do
str = "\xA4\xA2".force_encoding Encoding::EUC_JP
str.send(@method, "utf-8").should == "あ"
end
it "calls #to_str to convert the object to an Encoding" do
enc = mock("string encode encoding")
enc.should_receive(:to_str).and_return("utf-8")
str = "\xA4\xA2".force_encoding Encoding::EUC_JP
str.send(@method, enc).should == "あ"
end
it "transcodes to the passed encoding" do
str = "\xA4\xA2".force_encoding Encoding::EUC_JP
str.send(@method, Encoding::UTF_8).should == "あ"
end
it "transcodes a 7-bit String despite no generic converting being available" do
lambda do
Encoding::Converter.new Encoding::Emacs_Mule, Encoding::ASCII_8BIT
end.should raise_error(Encoding::ConverterNotFoundError)
str = "\x79".force_encoding Encoding::ASCII_8BIT
str.send(@method, Encoding::Emacs_Mule).should == "y".force_encoding(Encoding::ASCII_8BIT)
end
it "raises an Encoding::ConverterNotFoundError when no conversion is possible" do
str = "\x80".force_encoding Encoding::ASCII_8BIT
lambda do
str.send(@method, Encoding::Emacs_Mule)
end.should raise_error(Encoding::ConverterNotFoundError)
end
it "raises an Encoding::ConverterNotFoundError for an invalid encoding" do
lambda do
"abc".send(@method, "xyz")
end.should raise_error(Encoding::ConverterNotFoundError)
end
end
describe "when passed options" do
it "does not process transcoding options if not transcoding" do
result = "あ\ufffdあ".send(@method, :undef => :replace)
result.should == "あ\ufffdあ"
end
it "calls #to_hash to convert the object" do
options = mock("string encode options")
options.should_receive(:to_hash).and_return({ :undef => :replace })
result = "あ\ufffdあ".send(@method, options)
result.should == "あ\ufffdあ"
end
it "transcodes to Encoding.default_internal when set" do
Encoding.default_internal = Encoding::UTF_8
str = "\xA4\xA2".force_encoding Encoding::EUC_JP
str.send(@method, :invalid => :replace).should == "あ"
end
it "raises an Encoding::ConverterNotFoundError when no conversion is possible despite ':invalid => :replace, :undef => :replace'" do
Encoding.default_internal = Encoding::Emacs_Mule
str = "\x80".force_encoding Encoding::ASCII_8BIT
lambda do
str.send(@method, :invalid => :replace, :undef => :replace)
end.should raise_error(Encoding::ConverterNotFoundError)
end
end
describe "when passed to, from" do
it "transcodes between the encodings ignoring the String encoding" do
str = "あ"
result = "\xA6\xD0\x8F\xAB\xE4\x8F\xAB\xB1"
result.force_encoding Encoding::EUC_JP
str.send(@method, "euc-jp", "ibm437").should == result
end
it "calls #to_str to convert the from object to an Encoding" do
enc = mock("string encode encoding")
enc.should_receive(:to_str).and_return("ibm437")
str = "あ"
result = "\xA6\xD0\x8F\xAB\xE4\x8F\xAB\xB1"
result.force_encoding Encoding::EUC_JP
str.send(@method, "euc-jp", enc).should == result
end
end
describe "when passed to, options" do
it "replaces undefined characters in the destination encoding" do
result = "あ?あ".send(@method, Encoding::EUC_JP, :undef => :replace)
result.should == "\xA4\xA2?\xA4\xA2".force_encoding("euc-jp")
end
it "replaces invalid characters in the destination encoding" do
"ab\xffc".send(@method, Encoding::ISO_8859_1, :invalid => :replace).should == "ab?c"
end
it "calls #to_hash to convert the options object" do
options = mock("string encode options")
options.should_receive(:to_hash).and_return({ :undef => :replace })
result = "あ?あ".send(@method, Encoding::EUC_JP, options)
result.should == "\xA4\xA2?\xA4\xA2".force_encoding("euc-jp")
end
end
describe "when passed to, from, options" do
it "replaces undefined characters in the destination encoding" do
str = "あ?あ".force_encoding Encoding::ASCII_8BIT
result = str.send(@method, "euc-jp", "utf-8", :undef => :replace)
result.should == "\xA4\xA2?\xA4\xA2".force_encoding("euc-jp")
end
it "replaces invalid characters in the destination encoding" do
str = "ab\xffc".force_encoding Encoding::ASCII_8BIT
str.send(@method, "iso-8859-1", "utf-8", :invalid => :replace).should == "ab?c"
end
it "calls #to_str to convert the to object to an encoding" do
to = mock("string encode to encoding")
to.should_receive(:to_str).and_return("iso-8859-1")
str = "ab\xffc".force_encoding Encoding::ASCII_8BIT
str.send(@method, to, "utf-8", :invalid => :replace).should == "ab?c"
end
it "calls #to_str to convert the from object to an encoding" do
from = mock("string encode to encoding")
from.should_receive(:to_str).and_return("utf-8")
str = "ab\xffc".force_encoding Encoding::ASCII_8BIT
str.send(@method, "iso-8859-1", from, :invalid => :replace).should == "ab?c"
end
it "calls #to_hash to convert the options object" do
options = mock("string encode options")
options.should_receive(:to_hash).and_return({ :invalid => :replace })
str = "ab\xffc".force_encoding Encoding::ASCII_8BIT
str.send(@method, "iso-8859-1", "utf-8", options).should == "ab?c"
end
end
describe "given the :xml => :text option" do
it "replaces all instances of '&' with '&'" do
'& and &'.send(@method, "UTF-8", :xml => :text).should == '& and &'
end
it "replaces all instances of '<' with '<'" do
'< and <'.send(@method, "UTF-8", :xml => :text).should == '< and <'
end
it "replaces all instances of '>' with '>'" do
'> and >'.send(@method, "UTF-8", :xml => :text).should == '> and >'
end
it "does not replace '\"'" do
'" and "'.send(@method, "UTF-8", :xml => :text).should == '" and "'
end
it "replaces undefined characters with their upper-case hexadecimal numeric character references" do
'ürst'.send(@method, Encoding::US_ASCII, :xml => :text).should == 'ürst'
end
end
describe "given the :xml => :attr option" do
it "surrounds the encoded text with double-quotes" do
'abc'.send(@method, "UTF-8", :xml => :attr).should == '"abc"'
end
it "replaces all instances of '&' with '&'" do
'& and &'.send(@method, "UTF-8", :xml => :attr).should == '"& and &"'
end
it "replaces all instances of '<' with '<'" do
'< and <'.send(@method, "UTF-8", :xml => :attr).should == '"< and <"'
end
it "replaces all instances of '>' with '>'" do
'> and >'.send(@method, "UTF-8", :xml => :attr).should == '"> and >"'
end
it "replaces all instances of '\"' with '"'" do
'" and "'.send(@method, "UTF-8", :xml => :attr).should == '"" and ""'
end
it "replaces undefined characters with their upper-case hexadecimal numeric character references" do
'ürst'.send(@method, Encoding::US_ASCII, :xml => :attr).should == '"ürst"'
end
end
it "raises ArgumentError if the value of the :xml option is not :text or :attr" do
lambda { ''.send(@method, "UTF-8", :xml => :other) }.should raise_error(ArgumentError)
end
end
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