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require 'spec_helper'
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RSpec.describe Rex::Proto::Http::Packet::Header do
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  it_behaves_like "hash with insensitive keys"
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  let :original_str do
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    "POST /foo HTTP/1.0\r\n" \
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    "Content-Length: 0\r\n" \
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    "Foo: Bar\r\n" \
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    "Bar: Baz\r\n" \
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    "Combine-me: one\r\n" \
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    "Combine-me: two\r\n" \
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    "\r\n"
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  end
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  describe "#from_s" do
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    subject(:headers) do
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      h = described_class.new
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      h.from_s(original_str)
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      h
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    end
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    it "should create keys and values for each header" do
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      expect(headers['Foo']).to eq "Bar"
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      expect(headers['Content-Length']).to eq "0"
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    end
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    it "should combine headers" do
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      expect(headers['Combine-me']).to eq "one, two"
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    end
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    context "with folding" do
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      let :original_str do
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        "POST /foo HTTP/1.0\r\n" \
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        "Spaces:\r\n" \
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        " Bar\r\n" \
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        "Tabs:\r\n" \
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        "\tBar\r\n" \
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        "\r\n"
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      end
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      it "should recognize spaces" do
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        expect(headers['Spaces']).to eq "Bar"
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      end
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      it "should recognize tabs" do
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        expect(headers['Tabs']).to eq "Bar"
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      end
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    end
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  end
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  describe "#to_s" do
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    subject(:header_string) do
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      h = described_class.new
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      h.from_s(original_str)
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      h.to_s
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    end
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    context "without combining" do
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      let :original_str do
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        "POST /foo HTTP/1.0\r\n" \
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        "Foo: Bar\r\n" \
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        "Bar: Baz\r\n" \
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        "\r\n"
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      end
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      it "should return the same string" do
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        expect(header_string).to eq original_str
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      end
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    end
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    context "with combining" do
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      let :original_str do
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        "POST /foo HTTP/1.0\r\n" \
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        "Foo: Bar\r\n" \
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        "Foo: Baz\r\n" \
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        "Foo: Bab\r\n" \
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        "\r\n"
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      end
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      it "should produce an equivalent string" do
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        #pending "who knows"
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        combined = "Foo: Bar, Baz, Bab\r\n\r\n"
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        expect(header_string).to eq combined
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      end
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    end
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  end
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end
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