diff options
Diffstat (limited to 'spec/ruby/library/securerandom')
-rw-r--r-- | spec/ruby/library/securerandom/base64_spec.rb | 55 | ||||
-rw-r--r-- | spec/ruby/library/securerandom/hex_spec.rb | 54 | ||||
-rw-r--r-- | spec/ruby/library/securerandom/random_bytes_spec.rb | 50 | ||||
-rw-r--r-- | spec/ruby/library/securerandom/random_number_spec.rb | 95 |
4 files changed, 254 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 diff --git a/spec/ruby/library/securerandom/hex_spec.rb b/spec/ruby/library/securerandom/hex_spec.rb new file mode 100644 index 0000000000..691392a7b9 --- /dev/null +++ b/spec/ruby/library/securerandom/hex_spec.rb @@ -0,0 +1,54 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +require 'securerandom' + +describe "SecureRandom.hex" do + it "generates a random hex string of length twice the specified argement" do + (1..64).each do |idx| + hex = SecureRandom.hex(idx) + hex.should be_kind_of(String) + hex.length.should == 2 * idx + end + + base64 = SecureRandom.hex(5.5) + base64.should be_kind_of(String) + base64.length.should eql(10) + end + + it "returns an empty string when argument is 0" do + SecureRandom.hex(0).should == "" + end + + it "generates different hex strings with subsequent invocations" do + # quick and dirty check, but good enough + values = [] + 256.times do + hex = SecureRandom.hex + # make sure the random values are not repeating + values.include?(hex).should == false + values << hex + end + end + + it "generates a random hex string of length 32 if no argument is provided" do + SecureRandom.hex.should be_kind_of(String) + SecureRandom.hex.length.should == 32 + end + + it "treats nil agrument as default one and generates a random hex string of length 32" do + SecureRandom.hex(nil).should be_kind_of(String) + SecureRandom.hex(nil).length.should == 32 + end + + it "raises ArgumentError on negative arguments" do + lambda { + SecureRandom.hex(-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.hex(obj).size.should eql(10) + end +end diff --git a/spec/ruby/library/securerandom/random_bytes_spec.rb b/spec/ruby/library/securerandom/random_bytes_spec.rb new file mode 100644 index 0000000000..37d82f55a6 --- /dev/null +++ b/spec/ruby/library/securerandom/random_bytes_spec.rb @@ -0,0 +1,50 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +require 'securerandom' + +describe "SecureRandom.random_bytes" do + it "generates a random binary string of length 16 if no argument is provided" do + bytes = SecureRandom.random_bytes + bytes.should be_kind_of(String) + bytes.length.should == 16 + end + + it "generates a random binary string of length 16 if argument is nil" do + bytes = SecureRandom.random_bytes(nil) + bytes.should be_kind_of(String) + bytes.length.should == 16 + end + + it "generates a random binary string of specified length" do + (1..64).each do |idx| + bytes = SecureRandom.random_bytes(idx) + bytes.should be_kind_of(String) + bytes.length.should == idx + end + + SecureRandom.random_bytes(2.2).length.should eql(2) + end + + it "generates different binary strings with subsequent invocations" do + # quick and dirty check, but good enough + values = [] + 256.times do + val = SecureRandom.random_bytes + # make sure the random bytes are not repeating + values.include?(val).should == false + values << val + end + end + + it "raises ArgumentError on negative arguments" do + lambda { + SecureRandom.random_bytes(-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.random_bytes(obj).size.should eql(5) + end +end diff --git a/spec/ruby/library/securerandom/random_number_spec.rb b/spec/ruby/library/securerandom/random_number_spec.rb new file mode 100644 index 0000000000..a23a457df2 --- /dev/null +++ b/spec/ruby/library/securerandom/random_number_spec.rb @@ -0,0 +1,95 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +require 'securerandom' + +describe "SecureRandom.random_number" do + it "generates a random positive number smaller then the positive integer argument" do + (1..64).each do |idx| + num = SecureRandom.random_number(idx) + num.should be_kind_of(Fixnum) + (0 <= num).should == true + (num < idx).should == true + end + end + + it "generates a random (potentially bignum) integer value for bignum argument" do + max = 12345678901234567890 + 11.times do + num = SecureRandom.random_number max + num.should be_kind_of(Integer) + (0 <= num).should == true + (num < max).should == true + end + end + + it "generates a random float number between 0.0 and 1.0 if no argument provided" do + 64.times do + num = SecureRandom.random_number + num.should be_kind_of(Float) + (0.0 <= num).should == true + (num < 1.0).should == true + end + end + + ruby_version_is "2.3" do + it "generates a random value in given (integer) range limits" do + 64.times do + num = SecureRandom.random_number 11...13 + num.should be_kind_of(Integer) + (11 <= num).should == true + (num < 13).should == true + end + end + + it "generates a random value in given big (integer) range limits" do + lower = 12345678901234567890 + upper = 12345678901234567890 + 5 + 32.times do + num = SecureRandom.random_number lower..upper + num.should be_kind_of(Integer) + (lower <= num).should == true + (num <= upper).should == true + end + end + + it "generates a random value in given (float) range limits" do + 64.times do + num = SecureRandom.random_number 0.6..0.9 + num.should be_kind_of(Float) + (0.6 <= num).should == true + (num <= 0.9).should == true + end + end + end + + it "generates a random float number between 0.0 and 1.0 if argument is negative" do + num = SecureRandom.random_number(-10) + num.should be_kind_of(Float) + (0.0 <= num).should == true + (num < 1.0).should == true + end + + it "generates a random float number between 0.0 and 1.0 if argument is negative float" do + num = SecureRandom.random_number(-11.1) + num.should be_kind_of(Float) + (0.0 <= num).should == true + (num < 1.0).should == true + end + + it "generates different float numbers with subsequent invocations" do + # quick and dirty check, but good enough + values = [] + 256.times do + val = SecureRandom.random_number + # make sure the random values are not repeating + values.include?(val).should == false + values << val + end + end + + it "raises ArgumentError if the argument is non-numeric" do + lambda { + SecureRandom.random_number(Object.new) + }.should raise_error(ArgumentError) + end +end |