1 files changed, 45 insertions, 0 deletions
diff --git a/spec/functions/str2saltedsha512_spec.rb b/spec/functions/str2saltedsha512_spec.rb
new file mode 100755
index 0000000..ab7f57f
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+++ b/spec/functions/str2saltedsha512_spec.rb
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+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the str2saltedsha512 function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("str2saltedsha512")).to eq("function_str2saltedsha512")
+  end
+
+  it "should raise a ParseError if there is less than 1 argument" do
+    expect { scope.function_str2saltedsha512([]) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError if there is more than 1 argument" do
+    expect { scope.function_str2saltedsha512(['foo', 'bar', 'baz']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should return a salted-sha512 password hash 136 characters in length" do
+    result = scope.function_str2saltedsha512(["password"])
+    expect(result.length).to(eq(136))
+  end
+
+  it "should raise an error if you pass a non-string password" do
+    expect { scope.function_str2saltedsha512([1234]) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should generate a valid password" do
+    # Allow the function to generate a password based on the string 'password'
+    password_hash = scope.function_str2saltedsha512(["password"])
+
+    # Separate the Salt and Password from the Password Hash
+    salt     = password_hash[0..7]
+    password = password_hash[8..-1]
+
+    # Convert the Salt and Password from Hex to Binary Data
+    str_salt     = Array(salt.lines).pack('H*')
+    str_password = Array(password.lines).pack('H*')
+
+    # Combine the Binary Salt with 'password' and compare the end result
+    saltedpass    = Digest::SHA512.digest(str_salt + 'password')
+    result        = (str_salt + saltedpass).unpack('H*')[0]
+    expect(result).to eq(password_hash)
+  end
+end