Rspec example

gistfile1.txt

require 'rspec'
require_relative '../assessment_week2'

describe Vehicle do

  subject { Vehicle.new(Hash[color: "black", wheels: 2]) }

  it { should be_instance_of Vehicle }
  its (:wheels) { should == 2 }
  its (:color) { should == "black" }

  it "should drive" do
    subject.drive
    subject.status.should eq(:driving)
  end

  it "should brake" do
    subject.brake
    subject.status.should eq(:stopped)
  end

  it "should know if it needs gas" do
    result = subject.needs_gas?
    [TrueClass, FalseClass].should include(result.class)
  end

end

describe Car do

  subject { Car.new(Hash[color: "black", wheels: 4]) }

  it { should be_instance_of Car }
  its (:wheels) { should == 4 }
  its (:color) { should == "black" }

  it "should drive" do
    subject.drive
    subject.status.should eq(:driving)
  end

  it "should brake" do
    subject.brake
    subject.status.should eq(:stopped)
  end

  it "should know if it needs gas" do
    result = subject.needs_gas?
    [TrueClass, FalseClass].should include(result.class)
  end

end

describe Bus do

  subject { Bus.new(Hash[color: "black", wheels: 12, num_seats: 36, fare: 2]) }

  it { should be_instance_of Bus }
  its (:wheels) { should == 12 }
  its (:color) { should == "black" }
  its (:num_seats) { should == 36 }
  its (:fare) { should == 2 }

  it "should drive if stop_requested is false" do
    # This doesn't work properly. Needs to be refactored. 
    if subject.stop_requested?
        subject.drive
        subject.status.should eq(:driving)
    else
        nil
    end
  end

  it "should brake" do
    subject.brake
    subject.status.should eq(:stopped)
  end

  it "should know if it needs gas" do
    result = subject.needs_gas?
    [TrueClass, FalseClass].should include(result.class)
  end

# This doesn't work right either. Not sure why. Guessing current_passengers is 
# getting overwritten when it is called. 
  it "should admit passengers if money greater than fare" do
    current_passengers = :passengers.length
    puts current_passengers
    subject.admit_passenger("ryan", 3)
    current_passengers.should_not eq(:passengers.length) 
  end

  it "should NOT admit passengers if money less than fare" do
    current_passengers = :passengers.length
    subject.admit_passenger("ryan", 1)
    current_passengers.should eq(:passengers.length) 
  end


  it "should know if stop has been requested" do
    result = subject.stop_requested?
    [TrueClass, FalseClass].should include(result.class)
  end

end

describe Motorbike do

  subject { Motorbike.new(Hash[color: "black"]) }

  it { should be_instance_of Motorbike }
  its (:wheels) { should == 2 }
  its (:color) { should == "black" }

  it "should drive" do
    subject.drive
    subject.status.should eq(:driving)
    subject.speed.should eq(:fast)
  end

  it "should brake" do
    subject.brake
    subject.status.should eq(:stopped)
  end

  it "should know if it needs gas" do
    result = subject.needs_gas?
    [TrueClass, FalseClass].should include(result.class)
  end

  it "should weave through traffic" do
    subject.weave_through_traffic
    subject.status.should eq(:driving_like_a_crazy_person)
  end

end

### 1.2
# Refactored Code into Hierarchical structure