require 'test_helper'

class UserTest < ActiveSupport::TestCase
	def setup
		@user = User.new(name: "Example User", email: "user@example.com",
										password: "foobar", password_confirmation: "foobar")
	end

	test "should be valid" do
		assert @user.valid?
	end

	test "name should be present" do
		@user.name = "    "
		assert_not @user.valid?
	end

	test "email should be present" do
		@user.email = "  "
		assert_not @user.valid?
	end

	test "name should not be too long" do
		@user.name = "a" * 51
		assert_not @user.valid?
	end

	test "email should not be too long" do
		@user.email = "a" * 244 + "@example.com"
		assert_not @user.valid?
	end

	test "email validation should accept valid addresses" do
		valid_addresses = %w[user@example.com USER@foo.COM A_US-ER@foo.bar.org
												 first.last@foo.jp alice+bob@baz.cn]
		valid_addresses.each do |valid_address|
			@user.email = valid_address
			assert @user.valid?, "#{valid_address.inspect} should be valid"
		end
	end

	test "email validation should reject invalid addresses" do
    invalid_addresses = %w[user@example,com user_at_foo.org user.name@example.
                           foo@bar_baz.com foo@bar+baz.com]
    invalid_addresses.each do |invalid_address|
      @user.email = invalid_address
      assert_not @user.valid?, "#{invalid_address.inspect} should be invalid"
    end
  end

	test "email addresses should be unique" do
		duplicate_user = @user.dup
		duplicate_user.email = @user.email.upcase
		@user.save
		assert_not duplicate_user.valid?
	end

	test "email addresses should be saved as lower-case" do
		mixed_case_email = "FOo@ExAMPle.CoM"
		@user.email = mixed_case_email
		@user.save
		assert_equal mixed_case_email.downcase, @user.reload.email
	end

	test "password should be present (nonblank)" do
		@user.password = @user.password_confirmation = " " * 6
		assert_not @user.valid?
	end

	test "password should have a minimum length" do
		@user.password = @user.password_confirmation = "a" * 5
		assert_not @user.valid?
	end

  test "associated microposts should be destroyed" do
    @user.save
    @user.microposts.create!(content: "Lorem ipsum")
    assert_difference 'Micropost.count', -1 do
      @user.destroy
    end
  end

  test "should follow and unfollow a user" do
    michael = users(:michael)
    archer = users(:archer)
    assert_not michael.following?(archer)
    michael.follow(archer)
    assert michael.following?(archer)
    assert archer.followers.include?(michael)
    michael.unfollow(archer)
    assert_not michael.following?(archer)
  end

  test "user should have the right posts" do
    michael = users(:michael)
    archer = users(:archer)
    lana = users(:lana)
    # Posts from followed user
    lana.microposts.each do |post_following|
      assert michael.feed.include?(post_following)
    end
    # Posts from self
    michael.microposts.each do |post_self|
      assert michael.feed.include?(post_self)
    end
    # Posts from unfollowed user
    archer.microposts.each do |post_unfollowed|
      assert_not michael.feed.include?(post_unfollowed)
    end
  end
end
