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require_relative '../../spec_helper'
require 'openssl'
describe "OpenSSL.fixed_length_secure_compare" do
it "returns true for two strings with the same content" do
input1 = "the quick brown fox jumps over the lazy dog"
input2 = "the quick brown fox jumps over the lazy dog"
OpenSSL.fixed_length_secure_compare(input1, input2).should be_true
end
it "returns false for two strings of equal size with different content" do
input1 = "the quick brown fox jumps over the lazy dog"
input2 = "the lazy dog jumps over the quick brown fox"
OpenSSL.fixed_length_secure_compare(input1, input2).should be_false
end
it "converts both arguments to strings using #to_str" do
input1 = mock("input1")
input1.should_receive(:to_str).and_return("the quick brown fox jumps over the lazy dog")
input2 = mock("input2")
input2.should_receive(:to_str).and_return("the quick brown fox jumps over the lazy dog")
OpenSSL.fixed_length_secure_compare(input1, input2).should be_true
end
it "does not accept arguments that are not string and cannot be coerced into strings" do
-> {
OpenSSL.fixed_length_secure_compare("input1", :input2)
}.should raise_error(TypeError, 'no implicit conversion of Symbol into String')
-> {
OpenSSL.fixed_length_secure_compare(Object.new, "input2")
}.should raise_error(TypeError, 'no implicit conversion of Object into String')
end
it "raises an ArgumentError for two strings of different size" do
input1 = "the quick brown fox jumps over the lazy dog"
input2 = "the quick brown fox"
-> {
OpenSSL.fixed_length_secure_compare(input1, input2)
}.should raise_error(ArgumentError, 'inputs must be of equal length')
end
end
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