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require_relative '../../../spec_helper'
require_relative '../../../library/digest/sha1/shared/constants'
require_relative '../../../library/digest/sha256/shared/constants'
require_relative '../../../library/digest/sha384/shared/constants'
require_relative '../../../library/digest/sha512/shared/constants'
require 'openssl'
describe "OpenSSL::Digest#initialize" do
describe "can be called with a digest name" do
it "returns a SHA1 object" do
OpenSSL::Digest.new("sha1").name.should == "SHA1"
end
it "returns a SHA256 object" do
OpenSSL::Digest.new("sha256").name.should == "SHA256"
end
it "returns a SHA384 object" do
OpenSSL::Digest.new("sha384").name.should == "SHA384"
end
it "returns a SHA512 object" do
OpenSSL::Digest.new("sha512").name.should == "SHA512"
end
it "throws an error when called with an unknown digest" do
-> { OpenSSL::Digest.new("wd40") }.should raise_error(RuntimeError, /Unsupported digest algorithm \(wd40\)/)
end
it "cannot be called with a symbol" do
-> { OpenSSL::Digest.new(:SHA1) }.should raise_error(TypeError, /wrong argument type Symbol/)
end
it "does not call #to_str on the argument" do
name = mock("digest name")
name.should_not_receive(:to_str)
-> { OpenSSL::Digest.new(name) }.should raise_error(TypeError, /wrong argument type/)
end
end
describe "can be called with a digest object" do
it "returns a SHA1 object" do
OpenSSL::Digest.new(OpenSSL::Digest::SHA1.new).name.should == "SHA1"
end
it "returns a SHA256 object" do
OpenSSL::Digest.new(OpenSSL::Digest::SHA256.new).name.should == "SHA256"
end
it "returns a SHA384 object" do
OpenSSL::Digest.new(OpenSSL::Digest::SHA384.new).name.should == "SHA384"
end
it "returns a SHA512 object" do
OpenSSL::Digest.new(OpenSSL::Digest::SHA512.new).name.should == "SHA512"
end
it "ignores the state of the digest object" do
sha1 = OpenSSL::Digest.new('sha1', SHA1Constants::Contents)
OpenSSL::Digest.new(sha1).digest.should == SHA1Constants::BlankDigest
end
end
it "cannot be called with a digest class" do
-> { OpenSSL::Digest.new(OpenSSL::Digest::SHA1) }.should raise_error(TypeError, /wrong argument type Class/)
end
context "when called without an initial String argument" do
it "returns a SHA1 digest" do
OpenSSL::Digest.new("sha1").digest.should == SHA1Constants::BlankDigest
end
it "returns a SHA256 digest" do
OpenSSL::Digest.new("sha256").digest.should == SHA256Constants::BlankDigest
end
it "returns a SHA384 digest" do
OpenSSL::Digest.new("sha384").digest.should == SHA384Constants::BlankDigest
end
it "returns a SHA512 digest" do
OpenSSL::Digest.new("sha512").digest.should == SHA512Constants::BlankDigest
end
end
context "when called with an initial String argument" do
it "returns a SHA1 digest of that argument" do
OpenSSL::Digest.new("sha1", SHA1Constants::Contents).digest.should == SHA1Constants::Digest
end
it "returns a SHA256 digest of that argument" do
OpenSSL::Digest.new("sha256", SHA256Constants::Contents).digest.should == SHA256Constants::Digest
end
it "returns a SHA384 digest of that argument" do
OpenSSL::Digest.new("sha384", SHA384Constants::Contents).digest.should == SHA384Constants::Digest
end
it "returns a SHA512 digest of that argument" do
OpenSSL::Digest.new("sha512", SHA512Constants::Contents).digest.should == SHA512Constants::Digest
end
end
context "can be called on subclasses" do
describe "can be called without an initial String argument on subclasses" do
it "returns a SHA1 digest" do
OpenSSL::Digest::SHA1.new.digest.should == SHA1Constants::BlankDigest
end
it "returns a SHA256 digest" do
OpenSSL::Digest::SHA256.new.digest.should == SHA256Constants::BlankDigest
end
it "returns a SHA384 digest" do
OpenSSL::Digest::SHA384.new.digest.should == SHA384Constants::BlankDigest
end
it "returns a SHA512 digest" do
OpenSSL::Digest::SHA512.new.digest.should == SHA512Constants::BlankDigest
end
end
describe "can be called with an initial String argument on subclasses" do
it "returns a SHA1 digest" do
OpenSSL::Digest::SHA1.new(SHA1Constants::Contents).digest.should == SHA1Constants::Digest
end
it "returns a SHA256 digest" do
OpenSSL::Digest::SHA256.new(SHA256Constants::Contents).digest.should == SHA256Constants::Digest
end
it "returns a SHA384 digest" do
OpenSSL::Digest::SHA384.new(SHA384Constants::Contents).digest.should == SHA384Constants::Digest
end
it "returns a SHA512 digest" do
OpenSSL::Digest::SHA512.new(SHA512Constants::Contents).digest.should == SHA512Constants::Digest
end
end
end
end
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