Week 2 and 3 Diagnostic

Week 2 and 3 Diagnostic

1.
```
class PizzaOven
  def cook_pizza
    puts "mmm 'za"
  end
end
```

2.
```
class Student 
  def initialize(name)
    @name = name
  end 
  def name
    @name
  end
end
```
3.
```
array = [1,2,3,4,5]
array.map! { |number| number * 2 }
sum = array.inject(:+)
```
4. git init

**Pizza**

1. 
```
def test_if_tasty
  p = Pizza.new
  assert  p.is_tasty?
end
```
2.
```
def test_if_tasty
  p = Pizza.new
  list = ["supreme", "mediterranean", "cheese"]
  assert list.include?(p.style)
end
```
3.
```
git add .
git commit -m "this is a commit message"
```

**Student**
1.
```
class Student
  attr_reader :attitude
  def initialize
    @attitude = "cheerful"
  end
end
```
2.
```
  def assign_homework
    if attitude = "cheerful" 
      attitude = "dubious"
    elsif attitude = "dubious"
      attitude = "perturbed"
    else
      attitude = "dazed"
  end
end
```
3.
```
  def assign_homework(string)
    if attitude = "cheerful" 
      attitude = "dubious"
    elsif attitude = "dubious"
      attitude = "perturbed"
    else
      attitude = "dazed"
  end
  @assignments = []
  @assignments << string
  def assignments
    @assignments.join(", ")
  end
end
```
4.
```
all_assignments = students.map {|student| student.assignments}
all_assignments.join(", ")
```
5. 
```
x: 4
b: 12
```

1.
```
file = File.open("~/Documents/pizza.txt", 'r').read
p file
```
2.
```
file = File.open("~/Documents/pizza.txt", 'r').read
count = file.lines.count
File.open("~/Documents/line_count.txt", 'w').write = count
```
3.
```
def test_no_args
  assert Corgi.new
end

def test_assign_name
  dog = Corgi.new
  dog.name = "Fluffy"
  assert_equal "Fluffy", dog.name
end

def test_ask_name
  dog = Corgi.new
  assert dog.name.exist?
end

def test_ask_posture
  dog = Corgi.new
  assert_equal "standing", dog.posture
end

def test_assign_posture
  dog = Corgi.new
  dog.posture = "laying"
  assert_equal "laying", dog.posture
end 
```