Generate scaffold for Snippets

rossta · rossta · commit e948b1176d3d · 2024-08-21T22:26:38.000-04:00
diff --git a/app/controllers/snippets_controller.rb b/app/controllers/snippets_controller.rb
@@ -0,0 +1,59 @@
+class SnippetsController < ApplicationController
+  before_action :set_snippet, only: %i[show edit update destroy]
+
+  # GET /snippets
+  def index
+    @snippets = Snippet.all
+  end
+
+  # GET /snippets/1
+  def show
+  end
+
+  # GET /snippets/new
+  def new
+    @snippet = Snippet.new
+  end
+
+  # GET /snippets/1/edit
+  def edit
+  end
+
+  # POST /snippets
+  def create
+    @snippet = Snippet.new(snippet_params)
+
+    if @snippet.save
+      redirect_to @snippet, notice: "Snippet was successfully created."
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  # PATCH/PUT /snippets/1
+  def update
+    if @snippet.update(snippet_params)
+      redirect_to @snippet, notice: "Snippet was successfully updated.", status: :see_other
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  # DELETE /snippets/1
+  def destroy
+    @snippet.destroy!
+    redirect_to snippets_url, notice: "Snippet was successfully destroyed.", status: :see_other
+  end
+
+  private
+
+  # Use callbacks to share common setup or constraints between actions.
+  def set_snippet
+    @snippet = Snippet.find(params[:id])
+  end
+
+  # Only allow a list of trusted parameters through.
+  def snippet_params
+    params.fetch(:snippet, {})
+  end
+end
diff --git a/app/helpers/snippets_helper.rb b/app/helpers/snippets_helper.rb
@@ -0,0 +1,2 @@
+module SnippetsHelper
+end
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
@@ -0,0 +1,2 @@
+class Snippet < ApplicationRecord
+end
diff --git a/app/views/snippets/_form.html.erb b/app/views/snippets/_form.html.erb
@@ -0,0 +1,17 @@
+<%= form_with(model: snippet) do |form| %>
+  <% if snippet.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(snippet.errors.count, "error") %> prohibited this snippet from being saved:</h2>
+
+      <ul>
+        <% snippet.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>
diff --git a/app/views/snippets/_snippet.html.erb b/app/views/snippets/_snippet.html.erb
@@ -0,0 +1,2 @@
+<div id="<%= dom_id snippet %>">
+</div>
diff --git a/app/views/snippets/edit.html.erb b/app/views/snippets/edit.html.erb
@@ -0,0 +1,10 @@
+<h1>Editing snippet</h1>
+
+<%= render "form", snippet: @snippet %>
+
+<br>
+
+<div>
+  <%= link_to "Show this snippet", @snippet %> |
+  <%= link_to "Back to snippets", snippets_path %>
+</div>
diff --git a/app/views/snippets/index.html.erb b/app/views/snippets/index.html.erb
@@ -0,0 +1,14 @@
+<p style="color: green"><%= notice %></p>
+
+<h1>Snippets</h1>
+
+<div id="snippets">
+  <% @snippets.each do |snippet| %>
+    <%= render snippet %>
+    <p>
+      <%= link_to "Show this snippet", snippet %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New snippet", new_snippet_path %>
diff --git a/app/views/snippets/new.html.erb b/app/views/snippets/new.html.erb
@@ -0,0 +1,9 @@
+<h1>New snippet</h1>
+
+<%= render "form", snippet: @snippet %>
+
+<br>
+
+<div>
+  <%= link_to "Back to snippets", snippets_path %>
+</div>
diff --git a/app/views/snippets/show.html.erb b/app/views/snippets/show.html.erb
@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @snippet %>
+
+<div>
+  <%= link_to "Edit this snippet", edit_snippet_path(@snippet) %> |
+  <%= link_to "Back to snippets", snippets_path %>
+
+  <%= button_to "Destroy this snippet", @snippet, method: :delete %>
+</div>
diff --git a/config/routes.rb b/config/routes.rb
@@ -3,6 +3,7 @@
 
 # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 Rails.application.routes.draw do
+  resources :snippets
   # Redirects www to root domain
   match "(*any)", to: redirect(subdomain: ""), via: :all, constraints: {subdomain: "www"}
 
diff --git a/db/migrate/20240816235642_create_snippets.rb b/db/migrate/20240816235642_create_snippets.rb
@@ -0,0 +1,12 @@
+class CreateSnippets < ActiveRecord::Migration[7.1]
+  def change
+    create_table :snippets, force: true, id: false do |t|
+      t.primary_key :id, :string, default: -> { "ULID()" }
+      t.string :title
+      t.text :source, null: false
+      t.text :url
+
+      t.timestamps
+    end
+  end
+end
diff --git a/spec/factories/snippets.rb b/spec/factories/snippets.rb
@@ -0,0 +1,4 @@
+FactoryBot.define do
+  factory :snippet do
+  end
+end
diff --git a/spec/helpers/snippets_helper_spec.rb b/spec/helpers/snippets_helper_spec.rb
@@ -0,0 +1,15 @@
+require "rails_helper"
+
+# Specs in this file have access to a helper object that includes
+# the SnippetsHelper. For example:
+#
+# describe SnippetsHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe SnippetsHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end
diff --git a/spec/models/snippet_spec.rb b/spec/models/snippet_spec.rb
@@ -0,0 +1,5 @@
+require "rails_helper"
+
+RSpec.describe Snippet, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end
diff --git a/spec/requests/snippets_spec.rb b/spec/requests/snippets_spec.rb
@@ -0,0 +1,130 @@
+require "rails_helper"
+
+# This spec was generated by rspec-rails when you ran the scaffold generator.
+# It demonstrates how one might use RSpec to test the controller code that
+# was generated by Rails when you ran the scaffold generator.
+#
+# It assumes that the implementation code is generated by the rails scaffold
+# generator. If you are using any extension libraries to generate different
+# controller code, this generated spec may or may not pass.
+#
+# It only uses APIs available in rails and/or rspec-rails. There are a number
+# of tools you can use to make these specs even more expressive, but we're
+# sticking to rails and rspec-rails APIs to keep things simple and stable.
+
+RSpec.describe "/snippets", type: :request do
+  # This should return the minimal set of attributes required to create a valid
+  # Snippet. As you add validations to Snippet, be sure to
+  # adjust the attributes here as well.
+  let(:valid_attributes) {
+    skip("Add a hash of attributes valid for your model")
+  }
+
+  let(:invalid_attributes) {
+    skip("Add a hash of attributes invalid for your model")
+  }
+
+  describe "GET /index" do
+    it "renders a successful response" do
+      Snippet.create! valid_attributes
+      get snippets_url
+      expect(response).to be_successful
+    end
+  end
+
+  describe "GET /show" do
+    it "renders a successful response" do
+      snippet = Snippet.create! valid_attributes
+      get snippet_url(snippet)
+      expect(response).to be_successful
+    end
+  end
+
+  describe "GET /new" do
+    it "renders a successful response" do
+      get new_snippet_url
+      expect(response).to be_successful
+    end
+  end
+
+  describe "GET /edit" do
+    it "renders a successful response" do
+      snippet = Snippet.create! valid_attributes
+      get edit_snippet_url(snippet)
+      expect(response).to be_successful
+    end
+  end
+
+  describe "POST /create" do
+    context "with valid parameters" do
+      it "creates a new Snippet" do
+        expect {
+          post snippets_url, params: {snippet: valid_attributes}
+        }.to change(Snippet, :count).by(1)
+      end
+
+      it "redirects to the created snippet" do
+        post snippets_url, params: {snippet: valid_attributes}
+        expect(response).to redirect_to(snippet_url(Snippet.last))
+      end
+    end
+
+    context "with invalid parameters" do
+      it "does not create a new Snippet" do
+        expect {
+          post snippets_url, params: {snippet: invalid_attributes}
+        }.to change(Snippet, :count).by(0)
+      end
+
+      it "renders a response with 422 status (i.e. to display the 'new' template)" do
+        post snippets_url, params: {snippet: invalid_attributes}
+        expect(response).to have_http_status(:unprocessable_entity)
+      end
+    end
+  end
+
+  describe "PATCH /update" do
+    context "with valid parameters" do
+      let(:new_attributes) {
+        skip("Add a hash of attributes valid for your model")
+      }
+
+      it "updates the requested snippet" do
+        snippet = Snippet.create! valid_attributes
+        patch snippet_url(snippet), params: {snippet: new_attributes}
+        snippet.reload
+        skip("Add assertions for updated state")
+      end
+
+      it "redirects to the snippet" do
+        snippet = Snippet.create! valid_attributes
+        patch snippet_url(snippet), params: {snippet: new_attributes}
+        snippet.reload
+        expect(response).to redirect_to(snippet_url(snippet))
+      end
+    end
+
+    context "with invalid parameters" do
+      it "renders a response with 422 status (i.e. to display the 'edit' template)" do
+        snippet = Snippet.create! valid_attributes
+        patch snippet_url(snippet), params: {snippet: invalid_attributes}
+        expect(response).to have_http_status(:unprocessable_entity)
+      end
+    end
+  end
+
+  describe "DELETE /destroy" do
+    it "destroys the requested snippet" do
+      snippet = Snippet.create! valid_attributes
+      expect {
+        delete snippet_url(snippet)
+      }.to change(Snippet, :count).by(-1)
+    end
+
+    it "redirects to the snippets list" do
+      snippet = Snippet.create! valid_attributes
+      delete snippet_url(snippet)
+      expect(response).to redirect_to(snippets_url)
+    end
+  end
+end
diff --git a/spec/routing/snippets_routing_spec.rb b/spec/routing/snippets_routing_spec.rb
@@ -0,0 +1,37 @@
+require "rails_helper"
+
+RSpec.describe SnippetsController, type: :routing do
+  describe "routing" do
+    it "routes to #index" do
+      expect(get: "/snippets").to route_to("snippets#index")
+    end
+
+    it "routes to #new" do
+      expect(get: "/snippets/new").to route_to("snippets#new")
+    end
+
+    it "routes to #show" do
+      expect(get: "/snippets/1").to route_to("snippets#show", id: "1")
+    end
+
+    it "routes to #edit" do
+      expect(get: "/snippets/1/edit").to route_to("snippets#edit", id: "1")
+    end
+
+    it "routes to #create" do
+      expect(post: "/snippets").to route_to("snippets#create")
+    end
+
+    it "routes to #update via PUT" do
+      expect(put: "/snippets/1").to route_to("snippets#update", id: "1")
+    end
+
+    it "routes to #update via PATCH" do
+      expect(patch: "/snippets/1").to route_to("snippets#update", id: "1")
+    end
+
+    it "routes to #destroy" do
+      expect(delete: "/snippets/1").to route_to("snippets#destroy", id: "1")
+    end
+  end
+end
diff --git a/spec/views/snippets/edit.html.erb_spec.rb b/spec/views/snippets/edit.html.erb_spec.rb
@@ -0,0 +1,18 @@
+require "rails_helper"
+
+RSpec.describe "snippets/edit", type: :view do
+  let(:snippet) {
+    Snippet.create!
+  }
+
+  before(:each) do
+    assign(:snippet, snippet)
+  end
+
+  it "renders the edit snippet form" do
+    render
+
+    assert_select "form[action=?][method=?]", snippet_path(snippet), "post" do
+    end
+  end
+end
diff --git a/spec/views/snippets/index.html.erb_spec.rb b/spec/views/snippets/index.html.erb_spec.rb
@@ -0,0 +1,15 @@
+require "rails_helper"
+
+RSpec.describe "snippets/index", type: :view do
+  before(:each) do
+    assign(:snippets, [
+      Snippet.create!,
+      Snippet.create!
+    ])
+  end
+
+  it "renders a list of snippets" do
+    render
+    # cell_selector = "div>p"
+  end
+end
diff --git a/spec/views/snippets/new.html.erb_spec.rb b/spec/views/snippets/new.html.erb_spec.rb
diff --git a/spec/views/snippets/show.html.erb_spec.rb b/spec/views/snippets/show.html.erb_spec.rb

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+class Snippet < ApplicationRecord`
	`2`	`+end`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+<div id="<%= dom_id snippet %>">`
	`2`	`+</div>`