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# frozen_string_literal: true
RSpec.describe HTTP::Features::AutoDeflate do
subject { HTTP::Features::AutoDeflate.new }
it "raises error for wrong type" do
expect { HTTP::Features::AutoDeflate.new(:method => :wrong) }.
to raise_error(HTTP::Error) { |error|
expect(error.message).to eq("Only gzip and deflate methods are supported")
}
end
it "accepts gzip method" do
expect(HTTP::Features::AutoDeflate.new(:method => :gzip).method).to eq "gzip"
end
it "accepts deflate method" do
expect(HTTP::Features::AutoDeflate.new(:method => :deflate).method).to eq "deflate"
end
it "accepts string as method" do
expect(HTTP::Features::AutoDeflate.new(:method => "gzip").method).to eq "gzip"
end
it "uses gzip by default" do
expect(subject.method).to eq("gzip")
end
describe "#deflated_body" do
let(:body) { %w[bees cows] }
let(:deflated_body) { subject.deflated_body(body) }
context "when method is gzip" do
subject { HTTP::Features::AutoDeflate.new(:method => :gzip) }
it "returns object which yields gzipped content of the given body" do
io = StringIO.new
io.set_encoding(Encoding::BINARY)
gzip = Zlib::GzipWriter.new(io)
gzip.write("beescows")
gzip.close
gzipped = io.string
expect(deflated_body.each.to_a.join).to eq gzipped
end
it "caches compressed content when size is called" do
io = StringIO.new
io.set_encoding(Encoding::BINARY)
gzip = Zlib::GzipWriter.new(io)
gzip.write("beescows")
gzip.close
gzipped = io.string
expect(deflated_body.size).to eq gzipped.bytesize
expect(deflated_body.each.to_a.join).to eq gzipped
end
end
context "when method is deflate" do
subject { HTTP::Features::AutoDeflate.new(:method => :deflate) }
it "returns object which yields deflated content of the given body" do
deflated = Zlib::Deflate.deflate("beescows")
expect(deflated_body.each.to_a.join).to eq deflated
end
it "caches compressed content when size is called" do
deflated = Zlib::Deflate.deflate("beescows")
expect(deflated_body.size).to eq deflated.bytesize
expect(deflated_body.each.to_a.join).to eq deflated
end
end
end
end
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