我希望有人能帮帮忙。我正在阅读 Michael Hartl 的 rails 教程书，并被困在第 6.3.4 章。我正在尝试验证所有测试，但我不断收到几个错误。我已经发布了错误消息以及我的 user.rb 和 user_spec.rb 文件以供参考。希望有人能看到我哪里出错了。任何帮助将不胜感激。
错误
Failures:
1) when email address is already taken
←[31mFailure/Error:←[0m ←[31muser_with_same_email = @user.dup←[0m
←[31mTypeError:←[0m
←[31mcan't dup NilClass←[0m
←[36m # ./spec/models/user_spec.rb:69:in `dup'←[0m
←[36m # ./spec/models/user_spec.rb:69:in `block (5 levels) in <top (required
)>'←[0m
2) when password is not present
←[31mFailure/Error:←[0m ←[31mbefore { @user.password = @user.password_confi
rmation = " " }←[0m
←[31mNoMethodError:←[0m
←[31mundefined method `password_confirmation=' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:78:in `block (5 levels) in <top (required
)>'←[0m
3) when password doesn't match confirmation
←[31mFailure/Error:←[0m ←[31mbefore { @user.password_confirmation = "mismat
ch" }←[0m
←[31mNoMethodError:←[0m
←[31mundefined method `password_confirmation=' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:83:in `block (5 levels) in <top (required
)>'←[0m
4) when password confirmation is nil
←[31mFailure/Error:←[0m ←[31mbefore { @user.password_confirmation = nil }←[
0m
←[31mNoMethodError:←[0m
←[31mundefined method `password_confirmation=' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:88:in `block (5 levels) in <top (required
)>'←[0m
5) with a password that's too short
←[31mFailure/Error:←[0m ←[31mbefore { @user.password = @user.password_confi
rmation = "a" * 5 }←[0m
←[31mNoMethodError:←[0m
←[31mundefined method `password_confirmation=' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:93:in `block (5 levels) in <top (required
)>'←[0m
6) return value of authticate method with valid password
←[31mFailure/Error:←[0m ←[31mbefore { @user.save }←[0m
←[31mNoMethodError:←[0m
←[31mundefined method `save' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:98:in `block (5 levels) in <top (required
)>'←[0m
7) return value of authticate method with invalid password
←[31mFailure/Error:←[0m ←[31mbefore { @user.save }←[0m
←[31mNoMethodError:←[0m
←[31mundefined method `save' for nil:NilClass←[0m
←[36m # ./spec/models/user_spec.rb:98:in `block (5 levels) in <top (required
)>'←[0m
用户.rb 文件
class User < ActiveRecord::Base
attr_accessible :name, :email, :password, :password_confirmation
has_secure_password
before_save { |user| user.email = email.downcase }
validates :name, presence: true, length: { maximum: 50 }
VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
validates :email, presence: true,
format: { with: VALID_EMAIL_REGEX },
uniqueness: { case_sensitive: false }
validates :password, presence: true, length: { minimum: 6 }
validates :password_confirmation, presence: true
end
user_spec.rb
需要'spec_helper'
describe User do
before do
@user = User.new( name: "Example User", email: "user@example.com",
password: "foobar", password_confirmation: "foobar")
end
subject { @user }
it { should respond_to(:name) }
it { should respond_to(:email) }
it { should respond_to(:password_digest) }
it { should respond_to(:password) }
it { should respond_to(:password_confirmation) }
it { should be_valid }
it { should respond_to(:authenticate) }
describe "when name is not present" do
before { @user.name = " " }
it { should_not be_valid }
end
describe "when email is not present" do
before { @user.email = " " }
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 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
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 doesn't match confirmation" do
before { @user.password_confirmation = "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
describe "return value of authticate 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") }
specify { user_for_invalid_password.should be_false }
end
end
end
end
结尾