add gemfile; styling fixes

Author: tomclose

Gemfile

@@ -0,0 +1,4 @@
+source 'https://rubygems.org'
+
+gem "ProcessPilot"
+gem "minitest"

Gemfile.lock

@@ -0,0 +1,17 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ProcessPilot (2.0.0.20120301)
+      rUtilAnts (>= 1.0)
+    minitest (5.14.2)
+    rUtilAnts (2.0.0.20130827)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  ProcessPilot
+  minitest
+
+BUNDLED WITH
+   2.1.4

advanced_hello.rb

@@ -2,21 +2,20 @@
 
 # What is your name? tom
 # What is your home town? oxford
-# What country is that in? uk 
+# What country is that in? uk
 # Hello Tom! You are from Oxford, UK.
 
-# What is your name? boRIS
+# What is your name? igor
 # What is your home town? Minsk
 # What country is that in? Belarus
-# Hello Boris! Your are from Minsk, BELARUS.
-
+# Hello Igor! Your are from Minsk, BELARUS.
 
 # Get their name
-print "What is your name? "
+print 'What is your name? '
 name = gets.chomp
 
 # Get their home town
 
-# Get thier country
+# Get their country
 
 # Say hello

divide_cake.rb

@@ -6,13 +6,11 @@
 
 # (You don't need to worry about bad input. Just assume that your user will be nice!)
 
-
-print "How many pieces does you cake have? "
+print 'How many pieces does you cake have? '
 # Get the number. to_i converts a string into an integer.
 num_cake_pieces = gets.chomp.to_i
 
-print "How many people want some cake? "
+print 'How many people want some cake? '
 # Get the number. Conver it to an integer.
 
-
 # Print the solution

explain.rb

@@ -1,15 +1,15 @@
 require_relative 'special_ops'
 
-print "Enter your first integer: "
+print 'Enter your first integer: '
 n1 = gets.chomp.to_i
 
-print "Enter your second integer: "
+print 'Enter your second integer: '
 n2 = gets.chomp.to_i
 
 bitwise_and(n1, n2)
 
-puts ""
+puts ''
 
 bitwise_xor(n1, n2)
 
-puts ""
+puts ''

hello.rb

@@ -1,3 +1,2 @@
 # print 'Hello' to the screen
-puts "Hello"
-
+puts 'Hello'

hello_you.rb

@@ -1,10 +1,8 @@
 # print is like puts, except it doesn't start a new line after printing
-print "Enter your name: "
+print 'Enter your name: '
 # gets stands for "get string". It waits for the user to enter some text and hit Enter.
 name = gets
-# chomp is a method that will remove any newline characters from the end of our string 
+# chomp is a method that will remove any newline characters from the end of our string
 name = name.chomp
 
 puts name
-
-

special_ops.rb

@@ -3,21 +3,21 @@
 # puts a 1 in that position in the output if they are both 1s. Otherwise
 # it puts a 0.
 def bitwise_and(x, y)
-	ans = x&y
-	# rjust(5) pads the string with spaces (on the left) up to a length of 5
-	puts x.to_s.rjust(5) + " = " + x.to_s(2).rjust(8,'0')
-	puts y.to_s.rjust(5) + " = " + y.to_s(2).rjust(8,'0')
-	puts (x.to_s + "&" + y.to_s).rjust(5) + " = " + ans.to_s(2).rjust(8, '0') + " = " + ans.to_s
+  ans = x & y
+  # rjust(5) pads the string with spaces (on the left) up to a length of 5
+  puts x.to_s.rjust(5) + ' = ' + x.to_s(2).rjust(8, '0')
+  puts y.to_s.rjust(5) + ' = ' + y.to_s(2).rjust(8, '0')
+  puts (x.to_s + '&' + y.to_s).rjust(5) + ' = ' + ans.to_s(2).rjust(8, '0') + ' = ' + ans.to_s
 end
 
 # ^ is the bitwise xor operation. It operates on numbers in their binary representation.
 # It takes a pair of bits at a given position in the input numbers and
 # puts a 1 in that position in the output if exactly one is a 1. Otherwise
 # it puts a 0.
 def bitwise_xor(x, y)
-	ans = x^y
-	# rjust(5) pads the string with spaces (on the left) up to a length of 5
-	puts x.to_s.rjust(5) + " = " + x.to_s(2).rjust(8,'0')
-	puts y.to_s.rjust(5) + " = " + y.to_s(2).rjust(8,'0')
-	puts (x.to_s + "^" + y.to_s).rjust(5) + " = " + ans.to_s(2).rjust(8, '0') + " = " + ans.to_s
-end
+  ans = x ^ y
+  # rjust(5) pads the string with spaces (on the left) up to a length of 5
+  puts x.to_s.rjust(5) + ' = ' + x.to_s(2).rjust(8, '0')
+  puts y.to_s.rjust(5) + ' = ' + y.to_s(2).rjust(8, '0')
+  puts (x.to_s + '^' + y.to_s).rjust(5) + ' = ' + ans.to_s(2).rjust(8, '0') + ' = ' + ans.to_s
+end

strings.rb

@@ -1,5 +1,4 @@
-
-a = "Hello"
+a = 'Hello'
 
 a.reverse
 
@@ -9,19 +8,18 @@
 
 a.downcase
 
-b = "dave"
+b = 'dave'
 
 b.capitalize
 
 a + b
 
-a + " " + b
+a + ' ' + b
 
 b.capitalize!
 
-a + " " + b
+a + ' ' + b
 
 a * 3
 
 3 * a
-

test_advanced_hello.rb

@@ -4,34 +4,30 @@
 
 # Try to load processpilot. Tell user to install if they don't have it.
 begin
-	require 'processpilot/processpilot'
+  require 'processpilot/processpilot'
 rescue LoadError
-	error_string = <<EOF
-Oh dear .. it didn't work. To run tests you must install ProcessPilot:
-
-	gem install ProcessPilot
-
-EOF
-	puts error_string
-	exit
+  error_string = <<~EOF
+         Oh dear .. it didn't work. To run tests you must install ProcessPilot:
+    #{'     '}
+         	gem install ProcessPilot
+    #{'     '}
+  EOF
+  puts error_string
+  exit
 end
 
 # The actual test
 describe 'advanced_hello' do
-	it "works for a random name" do
-		ProcessPilot::pilot('advanced_hello.rb', :force_ruby_process_sync => true, :debug=> true) do |oStdin, iStdout|
-		  	iStdout.readpartial(100) # => "Enter your name: "
-		  	oStdin.write("daVE\n")
-		  	iStdout.readpartial(100) # => What is your home town?
-		  	oStdin.write("vienna\n")
-		  	iStdout.readpartial(100) # => What country is that in?
-		  	oStdin.write("austria\n")
-		  	output =  iStdout.gets.chomp # => "Hello Boris the newt"
-		  	assert_equal "Hello Dave! You are from Vienna, AUSTRIA.", output
-
-		end
-
-	end
-
-
-end
+  it 'works for a random name' do
+    ProcessPilot.pilot('advanced_hello.rb', force_ruby_process_sync: true, debug: true) do |stdin, stdout|
+      stdout.readpartial(100) # => "Enter your name: "
+      stdin.write("daVE\n")
+      stdout.readpartial(100) # => What is your home town?
+      stdin.write("vienna\n")
+      stdout.readpartial(100) # => What country is that in?
+      stdin.write("austria\n")
+      output = stdout.gets.chomp # => "Hello Boris the newt"
+      assert_equal 'Hello Dave! You are from Vienna, AUSTRIA.', output
+    end
+  end
+end

test_divide_cake.rb

@@ -4,44 +4,38 @@
 
 # Try to load processpilot. Tell user to install if they don't have it.
 begin
-	require 'processpilot/processpilot'
+  require 'processpilot/processpilot'
 rescue LoadError
-	error_string = <<EOF
-Oh dear .. it didn't work. To run tests you must install ProcessPilot:
-
-	gem install ProcessPilot
-
-EOF
-	puts error_string
-	exit
+  error_string = <<~EOF
+         Oh dear .. it didn't work. To run tests you must install ProcessPilot:
+    #{'     '}
+         	gem install ProcessPilot
+    #{'     '}
+  EOF
+  puts error_string
+  exit
 end
 
 # The actual test
 describe 'divide_cake' do
-	it "works for 11 and 3" do
-		ProcessPilot::pilot('divide_cake.rb', :force_ruby_process_sync => true) do |oStdin, iStdout|
-		  	iStdout.readpartial(100) # => How many pieces of cake do you have? 11
-		  	oStdin.write("11\n")
-		  	iStdout.readpartial(100) # => How many people want some cake? 3
-		  	oStdin.write("3\n")
-		  	output =  iStdout.gets.chomp # => 
-		  	assert_equal "Give each person 3 pieces. There will be 2 additional pieces for you to eat as soon as they leave.", output
-
-		end
-
-	end
-	it "works for 4 and 5" do
-		ProcessPilot::pilot('divide_cake.rb', :force_ruby_process_sync => true) do |oStdin, iStdout|
-		  	iStdout.readpartial(100) # => How many pieces of cake do you have? 11
-		  	oStdin.write("4\n")
-		  	iStdout.readpartial(100) # => How many people want some cake? 3
-		  	oStdin.write("5\n")
-		  	output =  iStdout.gets.chomp # => 
-		  	assert_equal "Give each person 0 pieces. There will be 4 additional pieces for you to eat as soon as they leave.", output
-
-		end
-
-	end
-
-
-end
+  it 'works for 11 and 3' do
+    ProcessPilot.pilot('divide_cake.rb', force_ruby_process_sync: true) do |stdin, stdout|
+      stdout.readpartial(100) # => How many pieces of cake do you have? 11
+      stdin.write("11\n")
+      stdout.readpartial(100) # => How many people want some cake? 3
+      stdin.write("3\n")
+      output = stdout.gets.chomp # =>
+      assert_equal 'Give each person 3 pieces. There will be 2 additional pieces for you to eat as soon as they leave.', output
+    end
+  end
+  it 'works for 4 and 5' do
+    ProcessPilot.pilot('divide_cake.rb', force_ruby_process_sync: true) do |stdin, stdout|
+      stdout.readpartial(100) # => How many pieces of cake do you have? 11
+      stdin.write("4\n")
+      stdout.readpartial(100) # => How many people want some cake? 3
+      stdin.write("5\n")
+      output = stdout.gets.chomp # =>
+      assert_equal 'Give each person 0 pieces. There will be 4 additional pieces for you to eat as soon as they leave.', output
+    end
+  end
+end

test_hello_you.rb

@@ -4,31 +4,27 @@
 
 # Try to load processpilot. Tell user to install if they don't have it.
 begin
-	require 'processpilot/processpilot'
+  require 'processpilot/processpilot'
 rescue LoadError
-	error_string = <<EOF
-Oh dear .. it didn't work. To run tests you must install ProcessPilot:
-
-	gem install ProcessPilot
-
-EOF
-	puts error_string
-	exit
+  error_string = <<~EOF
+         Oh dear .. it didn't work. To run tests you must install ProcessPilot:
+    #{'     '}
+         	gem install ProcessPilot
+    #{'     '}
+  EOF
+  puts error_string
+  exit
 end
 
 # The actual test
 describe 'hello_you' do
-	it "works for a random name" do
-		ProcessPilot::pilot('hello_you.rb', :force_ruby_process_sync => true) do |oStdin, iStdout|
-		  	iStdout.readpartial(100) # => "Enter your name: "
-		  	oStdin.write("Boris the Newt\n")
-
-		  	output =  iStdout.gets.chomp # => "Hello Boris the newt"
-		  	assert_equal "Hello Boris the Newt", output
-
-		end
-
-	end
-
-
-end
+  it 'works for a random name' do
+    ProcessPilot.pilot('hello_you.rb', force_ruby_process_sync: true) do |stdin, stdout|
+      stdout.readpartial(100) # => "Enter your name: "
+      stdin.write("Adam Smith\n")
+
+      output = stdout.gets.chomp
+      assert_equal 'Hello Adam Smith', output
+    end
+  end
+end