initial release

.gitignore

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+*.gem
+.bundle
+.rvmrc
+Gemfile.lock
+pkg/*

Gemfile

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+source "http://rubygems.org"
+
+gemspec

MIT-LICENSE

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+Copyright (c) 2015 William Weckl
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# NIS Faker
+
+Gerador de NIS (PIS / PASEP / NIT).
+
+Generates Brazilian NIS (PIS / PASEP / NIT) numbers.
+
+## Install
+
+Use rubygems:
+
+    gem install nis_faker
+
+Or add it to your Gemfile
+
+    group :development, :test do
+      # ...
+      gem 'nis_faker'
+    end
+
+## Usage
+
+    Faker::Nis.number        #=> "12073822829"
+    Faker::Nis.pretty        #=> "120.7382.282-9"
+
+## License
+
+NIS Faker is released under the MIT license

Rakefile

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+require "bundler/gem_tasks"

lib/faker/nis.rb

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+module Faker
+  class Nis
+    class << self
+      def number
+        generate_numbers
+
+        @numbers.join
+      end
+
+      def pretty
+        generate_numbers
+
+        new_numbers_array = []
+        @numbers.each_with_index do |number, index|
+          new_numbers_array << '.' if index == 3 || index == 8
+          new_numbers_array << '-' if index == 10
+          new_numbers_array << number
+        end
+
+        new_numbers_array.join
+      end
+
+      private
+
+      def generate_numbers
+        @numbers = []
+        10.times do
+          @numbers << Random.new.rand(1..9)
+        end
+
+        last_digit = (11 - (sum_products % 11))
+        last_digit = 0 if last_digit > 9
+        @numbers << last_digit
+
+        generate_numbers if black_list.include?(@numbers.join)
+
+        @numbers
+      end
+
+      def multiply_weights
+        @x = []
+        i = 0
+        [3, 2, 9, 8, 7, 6, 5, 4, 3, 2].each do |weight|
+          @x << @numbers[i] * weight
+          i += 1
+        end
+      end
+
+      def sum_products
+        multiply_weights
+        sum = 0
+        10.times do |n|
+          sum += @x[n]
+        end
+        sum
+      end
+
+      def black_list
+        %w(000.0000.000-0)
+      end
+
+    end
+  end
+end

lib/nis_faker.rb

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+require 'faker/nis'

nis_faker.gemspec

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+# -*- encoding: utf-8 -*-
+Gem::Specification.new do |s|
+  s.name        = "nis_faker"
+  s.version     = "0.0.1"
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["William Weckl"]
+  s.email       = ["[email protected]"]
+  s.homepage    = "https://github.com/williamweckl/nis_faker"
+  s.summary     = %q{Generate fake brazilian pis/pasep/nit numbers}
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+
+  s.add_development_dependency 'rake', '>= 0.8.7'
+end