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Versions: 10
Compression:
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Contents
require 'spec_helper'
class TestColor < XDR::Enum
member :red, 0
member :green, 1
member :even_more_green, 3
seal
end
describe XDR::Enum, ".read" do
let(:zero) { "\x00\x00\x00\x00" }
let(:one) { "\x00\x00\x00\x01" }
let(:two) { "\x00\x00\x00\x02" }
subject{ TestColor }
it "decodes values correctly" do
expect( read zero ).to eq(TestColor.red)
expect( read one ).to eq(TestColor.green)
end
it "raises EnumValueError if the decoded value is not in the defined constants" do
expect{ read two }.to raise_error XDR::EnumValueError
end
def read(str)
io = StringIO.new(str)
subject.read(io)
end
end
describe XDR::Enum, ".write" do
subject{ TestColor }
it "encodes values correctly" do
expect( write TestColor.red ).to eq("\x00\x00\x00\x00")
expect( write TestColor.green ).to eq("\x00\x00\x00\x01")
end
it "raises WriteError if value isn't a member" do
expect{ write 0 }.to raise_error XDR::WriteError
expect{ write 1 }.to raise_error XDR::WriteError
end
def write(val)
io = StringIO.new()
subject.write(val, io)
io.string
end
end
describe XDR::Enum, ".from_name" do
subject{ TestColor }
it "returns the correct value" do
expect(subject.from_name("red")).to eq(TestColor.red)
end
it "allows various casings, strings or symbols" do
expect(subject.from_name("even_more_green")).to eq(TestColor.even_more_green)
expect(subject.from_name("EVEN_MORE_GREEN")).to eq(TestColor.even_more_green)
expect(subject.from_name(:even_more_green)).to eq(TestColor.even_more_green)
expect(subject.from_name(:EVEN_MORE_GREEN)).to eq(TestColor.even_more_green)
end
it "raises EnumNameError when the name is not a member" do
expect{ subject.from_name("chartreuse")}.to raise_error(XDR::EnumNameError)
end
end
Version data entries
10 entries across 10 versions & 2 rubygems