user_spec.rb

require 'spec_helper'

describe User do
  before { @user = User.new(name: "Example User", email: "user@example.com", password: "foobar", password_confirmation: "foobar") }

  subject { @user }

  it { should respond_to(:name) }
  it { should respond_to(:email) }

  it { should be_valid }

  describe "when name is not present" do
    before { @user.name = " " }
    it { should_not be_valid }
  end

  describe "when name is too long" do
    before { @user.name = "a" * 51 }    
    it { should_not be_valid }
  end

  describe "when email is not present" do
    before { @user.email = " " }
    it { should_not be_valid }
  end

  describe "when email format is invalid" do
    it "should be invalid" do
      addresses = %w(user@foo,com user_at_foo.org example.user@foo.foo@bar_baz.com foo@bar+baz.com)
      addresses.each do |invalid_address|
        @user.email = invalid_address
        @user.should_not be_valid
      end
    end
  end

  describe "when email format is valid" do
    it "should be valid" do
      addresses = %w(user@foo.COM A_US-ER@f.b.org frst.lst@foo.jp a+b@baz.cn)
      addresses.each do |valid_address|
        @user.email = valid_address
        @user.should be_valid
      end
    end
  end

  describe "when email address is already taken" do
    before do
      user_with_same_email = @user.dup
      user_with_same_email.email = @user.email.upcase
      user_with_same_email.save
    end

    it { should_not be_valid }
  end

  describe "when password is not present" do
    before { @user.password = @user.password_confirmation = " " }    
    it { should_not be_valid }
  end

  describe "when password does't match confirmation" do
    before { @user.password = "mismatch" }
    it { should_not be_valid }
  end

  describe "when password confirmation is nil" do
    before { @user.password_confirmation = nil }
    it { should_not be_valid }
  end

  describe "with a password that's too short" do
    before { @user.password = @user.password_confirmation = "a" * 5 }
    it { should be_invalid }
  end

  # authentication
  # describe "return value of authenticate method" do
  #   before { @user.save }
  #   let(:found_user) { User.find_by_email(@user.email) }

  #   describe "with valid password" do
  #     it { should == found_user.authenticate(@user.password) }
  #   end

  #   describe "with invalid password" do
  #     let(:user_for_invalid_password) { found_user.authenticate("invalid") }

  #     it { should_not == user_for_invalid_password }
  #     specify { user_for_invalid_password.should be_false }
  #   end
  # end
    
end