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76 lines
3 KiB
Ruby
76 lines
3 KiB
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes.rb', __FILE__)
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describe "String#crypt" do
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# Note: MRI's documentation just says that the C stdlib function crypt() is
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# called.
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#
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# I'm not sure if crypt() is guaranteed to produce the same result across
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# different platforms. It seems that there is one standard UNIX implementation
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# of crypt(), but that alternative implementations are possible. See
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# http://www.unix.org.ua/orelly/networking/puis/ch08_06.htm
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it "returns a cryptographic hash of self by applying the UNIX crypt algorithm with the specified salt" do
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"".crypt("aa").should == "aaQSqAReePlq6"
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"nutmeg".crypt("Mi").should == "MiqkFWCm1fNJI"
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"ellen1".crypt("ri").should == "ri79kNd7V6.Sk"
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"Sharon".crypt("./").should == "./UY9Q7TvYJDg"
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"norahs".crypt("am").should == "amfIADT2iqjA."
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"norahs".crypt("7a").should == "7azfT5tIdyh0I"
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# Only uses first 8 chars of string
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"01234567".crypt("aa").should == "aa4c4gpuvCkSE"
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"012345678".crypt("aa").should == "aa4c4gpuvCkSE"
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"0123456789".crypt("aa").should == "aa4c4gpuvCkSE"
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# Only uses first 2 chars of salt
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"hello world".crypt("aa").should == "aayPz4hyPS1wI"
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"hello world".crypt("aab").should == "aayPz4hyPS1wI"
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"hello world".crypt("aabc").should == "aayPz4hyPS1wI"
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end
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it "raises an ArgumentError when the salt is shorter than two characters" do
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lambda { "hello".crypt("") }.should raise_error(ArgumentError)
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lambda { "hello".crypt("f") }.should raise_error(ArgumentError)
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lambda { "hello".crypt("\x00\x00") }.should raise_error(ArgumentError)
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lambda { "hello".crypt("\x00a") }.should raise_error(ArgumentError)
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lambda { "hello".crypt("a\x00") }.should raise_error(ArgumentError)
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end
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ruby_version_is "2.3" do
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it "raises an ArgumentError when the string contains NUL character" do
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lambda { "poison\0null".crypt("aa") }.should raise_error(ArgumentError)
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end
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end
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it "calls #to_str to converts the salt arg to a String" do
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obj = mock('aa')
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obj.should_receive(:to_str).and_return("aa")
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"".crypt(obj).should == "aaQSqAReePlq6"
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end
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it "raises a type error when the salt arg can't be converted to a string" do
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lambda { "".crypt(5) }.should raise_error(TypeError)
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lambda { "".crypt(mock('x')) }.should raise_error(TypeError)
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end
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it "taints the result if either salt or self is tainted" do
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tainted_salt = "aa"
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tainted_str = "hello"
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tainted_salt.taint
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tainted_str.taint
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"hello".crypt("aa").tainted?.should == false
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tainted_str.crypt("aa").tainted?.should == true
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"hello".crypt(tainted_salt).tainted?.should == true
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tainted_str.crypt(tainted_salt).tainted?.should == true
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end
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it "doesn't return subclass instances" do
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StringSpecs::MyString.new("hello").crypt("aa").should be_an_instance_of(String)
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"hello".crypt(StringSpecs::MyString.new("aa")).should be_an_instance_of(String)
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StringSpecs::MyString.new("hello").crypt(StringSpecs::MyString.new("aa")).should be_an_instance_of(String)
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end
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end
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