jvazquez-r7
106 lines
3.0 KiB
Ruby
106 lines
3.0 KiB
Ruby
# -*- coding:binary -*-
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require 'spec_helper'
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require 'rex/java'
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require 'stringio'
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describe Rex::Java::Serialization::Model::BlockData do
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subject(:block) do
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described_class.new
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end
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let(:sample_block) { "\x10\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10" }
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let(:sample_block_io) { StringIO.new(sample_block) }
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let(:empty_block) { "\x00" }
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let(:empty_block_io) { StringIO.new(empty_block) }
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let(:incomplete_block) { "\x10\x01\x02\x03\x04\x05" }
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let(:incomplete_block_io) { StringIO.new(incomplete_block) }
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let(:empty_io) { StringIO.new('') }
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describe ".new" do
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it "Rex::Java::Serialization::Model::BlockData" do
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expect(block).to be_a(Rex::Java::Serialization::Model::BlockData)
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end
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it "initializes length to 0" do
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expect(block.length).to eq(0)
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end
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it "initializes contents with empty string" do
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expect(block.contents).to be_empty
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end
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end
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describe "#encode" do
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context "when empty block" do
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it { expect(block.encode).to eq(empty_block) }
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end
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context "when filled block" do
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it do
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block.length = 16
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block.contents = "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10"
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expect(block.encode).to eq(sample_block)
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end
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end
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end
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describe "#decode" do
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context "when stream contains empty string" do
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it "returns nil" do
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expect { block.decode(empty_io) }.to raise_error(::RuntimeError)
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end
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end
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context "when stream contains empty block" do
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it "returns a Rex::Java::Serialization::Model::BlockData" do
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expect(block.decode(empty_block_io)).to be_a(Rex::Java::Serialization::Model::BlockData)
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end
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it "sets length to 0" do
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block.decode(empty_block_io)
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expect(block.length).to eq(0)
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end
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it "sets contents to empty string" do
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block.decode(empty_block_io)
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expect(block.contents).to be_empty
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end
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end
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context "when stream contains incomplete block" do
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it "returns nil" do
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expect { block.decode(incomplete_block_io) }.to raise_error(::RuntimeError)
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end
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end
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context "when stream contains correct block" do
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it "returns a Rex::Java::Serialization::Model::BlockData" do
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expect(block.decode(sample_block_io)).to be_a(Rex::Java::Serialization::Model::BlockData)
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end
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it "sets length to 0" do
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block.decode(sample_block_io)
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expect(block.length).to eq(16)
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end
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it "sets contents to sample string" do
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block.decode(sample_block_io)
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expect(block.contents).to eq("\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10")
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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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it "prints a block with contents" do
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block.decode(sample_block_io)
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expect(block.to_s).to eq('[ 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10 ]')
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end
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it "prints an empty string for an empty block" do
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block.decode(empty_block_io)
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expect(block.to_s).to eq('[ ]')
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end
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end
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end |