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# -*- encoding: binary -*-
require_relative '../../../spec_helper'
describe "Encoding::Converter.new" do
it "accepts a String for the source encoding" do
conv = Encoding::Converter.new("us-ascii", "utf-8")
conv.source_encoding.should == Encoding::US_ASCII
end
it "accepts a String for the destination encoding" do
conv = Encoding::Converter.new("us-ascii", "utf-8")
conv.destination_encoding.should == Encoding::UTF_8
end
it "accepts an Encoding object for the source encoding" do
conv = Encoding::Converter.new(Encoding::US_ASCII, "utf-8")
conv.source_encoding.should == Encoding::US_ASCII
end
it "accepts an Encoding object for the destination encoding" do
conv = Encoding::Converter.new("us-ascii", Encoding::UTF_8)
conv.destination_encoding.should == Encoding::UTF_8
end
it "raises an Encoding::ConverterNotFoundError if both encodings are the same" do
-> do
Encoding::Converter.new "utf-8", "utf-8"
end.should raise_error(Encoding::ConverterNotFoundError)
end
it "calls #to_str to convert the source encoding argument to an encoding name" do
enc = mock("us-ascii")
enc.should_receive(:to_str).and_return("us-ascii")
conv = Encoding::Converter.new(enc, "utf-8")
conv.source_encoding.should == Encoding::US_ASCII
end
it "calls #to_str to convert the destination encoding argument to an encoding name" do
enc = mock("utf-8")
enc.should_receive(:to_str).and_return("utf-8")
conv = Encoding::Converter.new("us-ascii", enc)
conv.destination_encoding.should == Encoding::UTF_8
end
it "sets replacement from the options Hash" do
conv = Encoding::Converter.new("us-ascii", "utf-8", replace: "fubar")
conv.replacement.should == "fubar"
end
it "calls #to_hash to convert the options argument to a Hash if not an Integer" do
opts = mock("encoding converter options")
opts.should_receive(:to_hash).and_return({ replace: "fubar" })
conv = Encoding::Converter.new("us-ascii", "utf-8", **opts)
conv.replacement.should == "fubar"
end
it "calls #to_str to convert the replacement object to a String" do
obj = mock("encoding converter replacement")
obj.should_receive(:to_str).and_return("fubar")
conv = Encoding::Converter.new("us-ascii", "utf-8", replace: obj)
conv.replacement.should == "fubar"
end
it "raises a TypeError if #to_str does not return a String" do
obj = mock("encoding converter replacement")
obj.should_receive(:to_str).and_return(1)
-> do
Encoding::Converter.new("us-ascii", "utf-8", replace: obj)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed true for the replacement object" do
-> do
Encoding::Converter.new("us-ascii", "utf-8", replace: true)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed false for the replacement object" do
-> do
Encoding::Converter.new("us-ascii", "utf-8", replace: false)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed an Integer for the replacement object" do
-> do
Encoding::Converter.new("us-ascii", "utf-8", replace: 1)
end.should raise_error(TypeError)
end
it "accepts an empty String for the replacement object" do
conv = Encoding::Converter.new("us-ascii", "utf-8", replace: "")
conv.replacement.should == ""
end
describe "when passed nil for the replacement object" do
describe "when the destination encoding is not UTF-8" do
it "sets the replacement String to '?'" do
conv = Encoding::Converter.new("us-ascii", "binary", replace: nil)
conv.replacement.should == "?"
end
it "sets the replacement String encoding to US-ASCII" do
conv = Encoding::Converter.new("us-ascii", "binary", replace: nil)
conv.replacement.encoding.should == Encoding::US_ASCII
end
it "sets the replacement String to '\\uFFFD'" do
conv = Encoding::Converter.new("us-ascii", "utf-8", replace: nil)
conv.replacement.should == "\u{fffd}".force_encoding("utf-8")
end
it "sets the replacement String encoding to UTF-8" do
conv = Encoding::Converter.new("us-ascii", "utf-8", replace: nil)
conv.replacement.encoding.should == Encoding::UTF_8
end
end
end
end
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