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