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POHow do I resolve "Missing host to link to! Please provide the :host parameter"? (RoR)
 

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  1. POHow do I resolve "Missing host to link to! Please provide the :host parameter"? (RoR)
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    <p>I'm following the <a href="http://ruby.railstutorial.org/">RoR Tutorial</a> and I'm stuck at <a href="http://ruby.railstutorial.org/chapters/updating-showing-and-deleting-users#code-correct_user_before_filter">Listing 9.15</a> </p> <p>I getting the following error after running <strong>'bundle exec rspec spec/'</strong> :</p> <pre><code>1) Authentication authorization as wrong user submitting a PATCH request to the Users#update action Failure/Error: specify { expect(response).to redirect_to(root_url) } ArgumentError: Missing host to link to! Please provide the :host parameter, set default_url_options[:host], or set :only_path to true # ./spec/features/authentication_pages_spec.rb:79:in `block (5 levels) in &lt;top (required)&gt;' </code></pre> <p>My Authentication test code is: </p> <p>require 'spec_helper'</p> <pre><code>describe "Authentication", type: :request do subject { page } describe "signin page" do before { visit signin_path } it { should have_content('Sign in') } it { should have_title('Sign in') } end describe "signin" do before { visit signin_path } describe "with invalid information" do before { click_button "Sign in" } it { should have_title('Sign in') } it { should have_selector('div.alert.alert-error', text: 'Invalid') } describe "after visiting another page" do before { click_link "Home" } it { should_not have_selector('div.alert.alert-error') } end end describe "with valid information" do let(:user) { FactoryGirl.create(:user) } before { sign_in user } #it { should have_title(user.name) } it { should have_link('Profile', href: user_path(user)) } it { should have_link('Settings', href: edit_user_path(user)) } it { should have_link('Sign out', href: signout_path) } it { should_not have_link('Sign in', href: signin_path) } describe "followed by signout" do before { click_link "Sign out" } it { should have_link('Sign in') } end end end describe "authorization" do describe "for non-signed-in users" do let(:user) { FactoryGirl.create(:user) } describe "in the Users controller" do describe "visiting the edit page" do before { visit edit_user_path(user) } it { should have_title('Sign in') } end describe "submitting to the update action" do before { patch user_path(user) } specify { expect(response).to redirect_to(signin_path) } end end end describe "as wrong user" do let(:user) { FactoryGirl.create(:user) } let(:wrong_user) { FactoryGirl.create(:user, email: "wrong@example.com") } before { sign_in user, no_capybara: true } describe "visiting Users#edit page" do before { visit edit_user_path(wrong_user) } #it { should_not have_title(full_title('Edit user')) } end describe "submitting a PATCH request to the Users#update action" do before { patch user_path(wrong_user) } specify { expect(response).to redirect_to(root_url) } end end end end </code></pre> <p>I don't know how to resolve this issue so the test passes. How <strong><em>do</em></strong> I resolve it? Could someone explain what's going wrong? (According to the tutorial the test should be passing).</p>
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