diff options
Diffstat (limited to 'spec/ruby/library/securerandom/base64_spec.rb')
-rw-r--r-- | spec/ruby/library/securerandom/base64_spec.rb | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/spec/ruby/library/securerandom/base64_spec.rb b/spec/ruby/library/securerandom/base64_spec.rb new file mode 100644 index 0000000000..68e61c9ecb --- /dev/null +++ b/spec/ruby/library/securerandom/base64_spec.rb @@ -0,0 +1,55 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +require 'securerandom' + +describe "SecureRandom.base64" do + it "generates a random base64 string out of specified number of random bytes" do + (16..128).each do |idx| + base64 = SecureRandom.base64(idx) + base64.should be_kind_of(String) + base64.length.should < 2 * idx + base64.should =~ /^[A-Za-z0-9\+\/]+={0,2}$/ + end + + base64 = SecureRandom.base64(16.5) + base64.should be_kind_of(String) + base64.length.should < 2 * 16 + end + + it "returns an empty string when argument is 0" do + SecureRandom.base64(0).should == "" + end + + it "generates different base64 strings with subsequent invocations" do + # quick and dirty check, but good enough + values = [] + 256.times do + base64 = SecureRandom.base64 + # make sure the random values are not repeating + values.include?(base64).should == false + values << base64 + end + end + + it "generates a random base64 string out of 32 random bytes" do + SecureRandom.base64.should be_kind_of(String) + SecureRandom.base64.length.should < 32 * 2 + end + + it "treats nil agrument as default one and generates a random base64 string" do + SecureRandom.base64(nil).should be_kind_of(String) + SecureRandom.base64(nil).length.should < 32 * 2 + end + + it "raises ArgumentError on negative arguments" do + lambda { + SecureRandom.base64(-1) + }.should raise_error(ArgumentError) + end + + it "tries to convert the passed argument to an Integer using #to_int" do + obj = mock("to_int") + obj.should_receive(:to_int).and_return(5) + SecureRandom.base64(obj).size.should < 10 + end +end |