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require File.expand_path('../../../spec_helper', __FILE__)
with_feature :encoding do
describe "Encoding.find" do
before :all do
@encodings = Encoding.aliases.to_a.flatten.uniq
end
it "returns the corresponding Encoding object if given a valid encoding name" do
@encodings.each do |enc|
Encoding.find(enc).should be_an_instance_of(Encoding)
end
end
it "returns the corresponding Encoding object if given a valid alias name" do
Encoding.aliases.keys.each do |enc_alias|
Encoding.find(enc_alias).should be_an_instance_of(Encoding)
end
end
it "raises a TypeError if passed a Symbol" do
lambda { Encoding.find(:"utf-8") }.should raise_error(TypeError)
end
it "returns the passed Encoding object" do
Encoding.find(Encoding::UTF_8).should == Encoding::UTF_8
end
it "accepts encoding names as Strings" do
Encoding.list.each do |enc|
Encoding.find(enc.name).should == enc
end
end
it "accepts any object as encoding name, if it responds to #to_str" do
obj = Class.new do
attr_writer :encoding_name
def to_str; @encoding_name; end
end.new
Encoding.list.each do |enc|
obj.encoding_name = enc.name
Encoding.find(obj).should == enc
end
end
it "is case insensitive" do
@encodings.each do |enc|
Encoding.find(enc.upcase).should == Encoding.find(enc)
end
end
it "raises an ArgumentError if the given encoding does not exist" do
lambda { Encoding.find('dh2dh278d') }.should raise_error(ArgumentError)
end
# Not sure how to do a better test, since locale depends on weird platform-specific stuff
it "supports the 'locale' encoding alias" do
enc = Encoding.find('locale')
enc.should_not == nil
end
it "returns default external encoding for the 'external' encoding alias" do
enc = Encoding.find('external')
enc.should == Encoding.default_external
end
it "returns default internal encoding for the 'internal' encoding alias" do
enc = Encoding.find('internal')
enc.should == Encoding.default_internal
end
platform_is_not :windows do
it "uses default external encoding for the 'filesystem' encoding alias" do
enc = Encoding.find('filesystem')
enc.should == Encoding.default_external
end
end
platform_is :windows do
it "needs to be reviewed for spec completeness"
end
end
end
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