Add posts test

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