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-rw-r--r--spec/ruby/library/securerandom/base64_spec.rb55
-rw-r--r--spec/ruby/library/securerandom/hex_spec.rb54
-rw-r--r--spec/ruby/library/securerandom/random_bytes_spec.rb50
-rw-r--r--spec/ruby/library/securerandom/random_number_spec.rb95
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