Add posts test

app/controllers/posts_controller.rb

@@ -0,0 +1,70 @@
+class PostsController < ApplicationController
+  before_action :set_post, only: %i[ show edit update destroy ]
+
+  # GET /posts or /posts.json
+  def index
+    @posts = Post.all
+  end
+
+  # GET /posts/1 or /posts/1.json
+  def show
+  end
+
+  # GET /posts/new
+  def new
+    @post = Post.new
+  end
+
+  # GET /posts/1/edit
+  def edit
+  end
+
+  # POST /posts or /posts.json
+  def create
+    @post = Post.new(post_params)
+
+    respond_to do |format|
+      if @post.save
+        format.html { redirect_to @post, notice: "Post was successfully created." }
+        format.json { render :show, status: :created, location: @post }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @post.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /posts/1 or /posts/1.json
+  def update
+    respond_to do |format|
+      if @post.update(post_params)
+        format.html { redirect_to @post, notice: "Post was successfully updated." }
+        format.json { render :show, status: :ok, location: @post }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @post.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /posts/1 or /posts/1.json
+  def destroy
+    @post.destroy!
+
+    respond_to do |format|
+      format.html { redirect_to posts_path, status: :see_other, notice: "Post was successfully destroyed." }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_post
+      @post = Post.find(params.expect(:id))
+    end
+
+    # Only allow a list of trusted parameters through.
+    def post_params
+      params.expect(post: [ :title, :body ])
+    end
+end

app/helpers/posts_helper.rb

@@ -0,0 +1,2 @@
+module PostsHelper
+end

app/models/post.rb

@@ -0,0 +1,6 @@
+class Post
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  field :title, type: String
+  field :body, type: String
+end

app/views/posts/_form.html.erb

@@ -0,0 +1,27 @@
+<%= form_with(model: post) do |form| %>
+  <% if post.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(post.errors.count, "error") %> prohibited this post from being saved:</h2>
+
+      <ul>
+        <% post.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.label :title, style: "display: block" %>
+    <%= form.text_field :title %>
+  </div>
+
+  <div>
+    <%= form.label :body, style: "display: block" %>
+    <%= form.textarea :body %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/posts/_post.html.erb

@@ -0,0 +1,12 @@
+<div id="<%= dom_id post %>">
+  <p>
+    <strong>Title:</strong>
+    <%= post.title %>
+  </p>
+
+  <p>
+    <strong>Body:</strong>
+    <%= post.body %>
+  </p>
+
+</div>

app/views/posts/_post.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! post, :id, :title, :body, :created_at, :updated_at
+json.url post_url(post, format: :json)

app/views/posts/edit.html.erb

@@ -0,0 +1,12 @@
+<% content_for :title, "Editing post" %>
+
+<h1>Editing post</h1>
+
+<%= render "form", post: @post %>
+
+<br>
+
+<div>
+  <%= link_to "Show this post", @post %> |
+  <%= link_to "Back to posts", posts_path %>
+</div>

app/views/posts/index.html.erb

@@ -0,0 +1,16 @@
+<p style="color: green"><%= notice %></p>
+
+<% content_for :title, "Posts" %>
+
+<h1>Posts</h1>
+
+<div id="posts">
+  <% @posts.each do |post| %>
+    <%= render post %>
+    <p>
+      <%= link_to "Show this post", post %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New post", new_post_path %>

app/views/posts/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @posts, partial: "posts/post", as: :post

app/views/posts/new.html.erb

@@ -0,0 +1,11 @@
+<% content_for :title, "New post" %>
+
+<h1>New post</h1>
+
+<%= render "form", post: @post %>
+
+<br>
+
+<div>
+  <%= link_to "Back to posts", posts_path %>
+</div>

app/views/posts/show.html.erb

@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @post %>
+
+<div>
+  <%= link_to "Edit this post", edit_post_path(@post) %> |
+  <%= link_to "Back to posts", posts_path %>
+
+  <%= button_to "Destroy this post", @post, method: :delete %>
+</div>

app/views/posts/show.json.jbuilder

@@ -0,0 +1 @@
+json.partial! "posts/post", post: @post

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :posts
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.

test/controllers/posts_controller_test.rb

@@ -0,0 +1,48 @@
+require "test_helper"
+
+class PostsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @post = posts(:one)
+  end
+
+  test "should get index" do
+    get posts_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_post_url
+    assert_response :success
+  end
+
+  test "should create post" do
+    assert_difference("Post.count") do
+      post posts_url, params: { post: { body: @post.body, title: @post.title } }
+    end
+
+    assert_redirected_to post_url(Post.last)
+  end
+
+  test "should show post" do
+    get post_url(@post)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_post_url(@post)
+    assert_response :success
+  end
+
+  test "should update post" do
+    patch post_url(@post), params: { post: { body: @post.body, title: @post.title } }
+    assert_redirected_to post_url(@post)
+  end
+
+  test "should destroy post" do
+    assert_difference("Post.count", -1) do
+      delete post_url(@post)
+    end
+
+    assert_redirected_to posts_url
+  end
+end

test/fixtures/posts.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  title: MyString
+  body: MyText
+
+two:
+  title: MyString
+  body: MyText

test/models/post_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class PostTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/system/posts_test.rb

@@ -0,0 +1,43 @@
+require "application_system_test_case"
+
+class PostsTest < ApplicationSystemTestCase
+  setup do
+    @post = posts(:one)
+  end
+
+  test "visiting the index" do
+    visit posts_url
+    assert_selector "h1", text: "Posts"
+  end
+
+  test "should create post" do
+    visit posts_url
+    click_on "New post"
+
+    fill_in "Body", with: @post.body
+    fill_in "Title", with: @post.title
+    click_on "Create Post"
+
+    assert_text "Post was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Post" do
+    visit post_url(@post)
+    click_on "Edit this post", match: :first
+
+    fill_in "Body", with: @post.body
+    fill_in "Title", with: @post.title
+    click_on "Update Post"
+
+    assert_text "Post was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Post" do
+    visit post_url(@post)
+    click_on "Destroy this post", match: :first
+
+    assert_text "Post was successfully destroyed"
+  end
+end