Scaffold todo model

test/controllers/todos_controller_test.rb

@@ -0,0 +1,48 @@
+require "test_helper"
+
+class TodosControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @todo = todos(:one)
+  end
+
+  test "should get index" do
+    get todos_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_todo_url
+    assert_response :success
+  end
+
+  test "should create todo" do
+    assert_difference("Todo.count") do
+      post todos_url, params: { todo: { status: @todo.status, title: @todo.title } }
+    end
+
+    assert_redirected_to todo_url(Todo.last)
+  end
+
+  test "should show todo" do
+    get todo_url(@todo)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_todo_url(@todo)
+    assert_response :success
+  end
+
+  test "should update todo" do
+    patch todo_url(@todo), params: { todo: { status: @todo.status, title: @todo.title } }
+    assert_redirected_to todo_url(@todo)
+  end
+
+  test "should destroy todo" do
+    assert_difference("Todo.count", -1) do
+      delete todo_url(@todo)
+    end
+
+    assert_redirected_to todos_url
+  end
+end

test/fixtures/todos.yml

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

test/models/todo_test.rb

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

test/system/todos_test.rb

@@ -0,0 +1,43 @@
+require "application_system_test_case"
+
+class TodosTest < ApplicationSystemTestCase
+  setup do
+    @todo = todos(:one)
+  end
+
+  test "visiting the index" do
+    visit todos_url
+    assert_selector "h1", text: "Todos"
+  end
+
+  test "should create todo" do
+    visit todos_url
+    click_on "New todo"
+
+    fill_in "Status", with: @todo.status
+    fill_in "Title", with: @todo.title
+    click_on "Create Todo"
+
+    assert_text "Todo was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Todo" do
+    visit todo_url(@todo)
+    click_on "Edit this todo", match: :first
+
+    fill_in "Status", with: @todo.status
+    fill_in "Title", with: @todo.title
+    click_on "Update Todo"
+
+    assert_text "Todo was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Todo" do
+    visit todo_url(@todo)
+    click_on "Destroy this todo", match: :first
+
+    assert_text "Todo was successfully destroyed"
+  end
+end