成功完成注册页面后，没有失败的测试，我到达 7.4.4，他说：
$ git add .
$ git commit -m "Finish user signup"
$ git checkout master
$ git merge sign-up
在我运行 git checkout master 之后，spork 开始抱怨 28 次失败。合并后，继续。运行 bundle exec rspec spec/ 我得到 28 个与 user_pages_spec.rb 测试有关的错误。
错误如下：
Failures:
1) User pages signup page
Failure/Error: before { visit signup_path }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./app/controllers/users_controller.rb:8:in `new'
# ./app/controllers/users_controller.rb:8:in `new'
# ./spec/requests/user_pages_spec.rb:8:in `block (3 levels) in <top (required)>'
2) User pages signup page
Failure/Error: before { visit signup_path }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./app/controllers/users_controller.rb:8:in `new'
# ./app/controllers/users_controller.rb:8:in `new'
# ./spec/requests/user_pages_spec.rb:8:in `block (3 levels) in <top (required)>'
3) User pages profile page
Failure/Error: let(:user) { FactoryGirl.create(:user) }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./spec/requests/user_pages_spec.rb:15:in `block (3 levels) in <top (required)>'
# ./spec/requests/user_pages_spec.rb:16:in `block (3 levels) in <top (required)>'
4) User pages profile page
Failure/Error: let(:user) { FactoryGirl.create(:user) }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./spec/requests/user_pages_spec.rb:15:in `block (3 levels) in <top (required)>'
# ./spec/requests/user_pages_spec.rb:16:in `block (3 levels) in <top (required)>'
5) User pages signup with invalid information should not create a user
Failure/Error: before { visit signup_path }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./app/controllers/users_controller.rb:8:in `new'
# ./app/controllers/users_controller.rb:8:in `new'
# ./spec/requests/user_pages_spec.rb:24:in `block (3 levels) in <top (required)>'
6) User pages signup with valid information should create a user
Failure/Error: before { visit signup_path }
ActiveRecord::StatementInvalid:
PGError: ERROR: relation "users" does not exist
LINE 4: WHERE a.attrelid = '"users"'::regclass
^
: SELECT a.attname, format_type(a.atttypid, a.atttypmod), d.adsrc, a.attnotnull
FROM pg_attribute a LEFT JOIN pg_attrdef d
ON a.attrelid = d.adrelid AND a.attnum = d.adnum
WHERE a.attrelid = '"users"'::regclass
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum
# ./app/controllers/users_controller.rb:8:in `new'
# ./app/controllers/users_controller.rb:8:in `new'
# ./spec/requests/user_pages_spec.rb:24:in `block (3 levels) in <top (required)>'
我的 user_pages_spec.rb 文件：
require 'spec_helper'
describe "User pages" do
subject { page }
describe "signup page" do
before { visit signup_path }
it { should have_selector('h1', text: 'Sign up') }
it { should have_selector('title', text: full_title('Sign up')) }
end
describe "profile page" do
let(:user) { FactoryGirl.create(:user) }
before { visit user_path(user) }
it { should have_selector('h1', text: user.name) }
it { should have_selector('title', text: user.name) }
end
describe "signup" do
before { visit signup_path }
let(:submit) { "Create my account" }
describe "with invalid information" do
it "should not create a user" do
expect { click_button submit }.not_to change(User, :count)
end
end
describe "with valid information" do
before do
fill_in "Name", with: "Example User"
fill_in "Email", with: "user@example.com"
fill_in "Password", with: "foobar"
fill_in "Confirmation", with: "foobar"
end
it "should create a user" do
expect { click_button submit }.to change(User, :count).by(1)
end
end
end
end
我的用户控制器：
class UsersController < ApplicationController
def show
@user = User.find(params[:id])
end
def new
@user = User.new
end
def create
@user = User.new(params[:user])
if @user.save
flash[:success] = "Welcome to the Sample App!"
redirect_to @user
else
render 'new'
end
end
end
我的模型/user_spec.rb
require '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 respond_to(:authenticate) }
it { should be_valid }
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
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 "email address with mixed case" do
let(:mixed_case_email) { "Foo@ExAMPle.CoM"}
it "should be saved as all lower-case" do
@user.email = mixed_case_email
@user.save
@user.reload.email.should == mixed_case_email.downcase
end
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 "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
describe "with a password that's too short" do
before { @user.password = @user.password_confirmation = "a" * 5 }
it { should be_invalid }
end
end
这是怎么回事？为什么会失败？我不明白。