modelのテストを追加した

app/models/question.rb

@@ -10,7 +10,7 @@
 #
 
 class Question < ApplicationRecord
-  validates :title, {presence: true, uniqueness: true}
+  validates :title, { presence: true, uniqueness: true }
 
   has_many :results, dependent: :destroy, inverse_of: :question
   has_many :answers, dependent: :destroy, inverse_of: :question

spec/models/answer_spec.rb

@@ -13,5 +13,15 @@
 require 'rails_helper'
 
 RSpec.describe Answer, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
+  before do
+    @question = create(:question, id: 1)
+  end
+
+  it 'データを登録できる' do
+    answer = @question.answers.new(
+      input: "",
+      output: "hoge"
+    )
+    expect(answer).to(be_valid)
+  end
 end

spec/models/category_item_spec.rb

@@ -12,5 +12,17 @@
 require 'rails_helper'
 
 RSpec.describe CategoryItem, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
+  before do
+    @question = create(:question, id: 1)
+    @category = create(:category, id: 1)
+  end
+
+  it 'データを登録できる' do
+    category_item = CategoryItem.new(
+      question_id: @question.id,
+      category_id: @category.id
+    )
+    expect(category_item).to(be_valid)
+  end
+
 end

spec/models/category_spec.rb

@@ -12,5 +12,16 @@
 require 'rails_helper'
 
 RSpec.describe Category, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
+  it 'データを登録できる' do
+    category = create(:category, id: 1)
+    expect(category).to(be_valid)
+  end
+
+  it 'タイトルがない場合データを登録できない' do
+      category = Question.new(
+        title: '',
+        body: ''
+      )
+      expect(category).not_to(be_valid)
+  end
 end

spec/models/code_spec.rb

@@ -13,5 +13,12 @@
 require 'rails_helper'
 
 RSpec.describe Code, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
+  it 'データをレコードできる' do
+    user = create(:user, id: 1)
+    code = user.codes.new(
+      code: 'puts 1',
+      language: 'Ruby'
+    )
+    expect(code).to(be_valid)
+  end
 end

spec/models/question_spec.rb

@@ -13,12 +13,23 @@
 
 RSpec.describe Question, type: :model do
   before do
-    @question = FactoryBot.create(:question)
   end
 
-  context "問題を登録する時" do
-    it "問題文だけ正常に登録できる" do
-      @question.save
+  context '問題を登録する時' do
+    it '問題文だけ正常に登録できる' do
+      question = Question.new(
+        title: 'hoge',
+        body: ''
+      )
+      expect(question).to(be_valid)
+    end
+
+    it 'タイトルが空の場合はレコードできない' do
+      question = Question.new(
+        title: '',
+        body: ''
+      )
+      expect(question).not_to(be_valid)
     end
   end
 end

spec/models/result_spec.rb

@@ -15,5 +15,18 @@
 require 'rails_helper'
 
 RSpec.describe Result, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
+  before do
+    @question = create(:question, id: 1)
+    @user = create(:user, id: 1)
+  end
+
+  it 'データをレコードできる' do
+    answer = @user.results.new(
+      answer: true,
+      question_id: @question.id,
+      code: 'puts 1',
+      language: 'Ruby'
+    )
+    expect(answer).to(be_valid)
+  end
 end

spec/models/tweet_spec.rb

@@ -20,21 +20,21 @@
     tweet = @user.tweets.create(
       body: "hoge",
     )
-    expect(tweet).to be_valid
+    expect(tweet).to(be_valid)
   end
 
   it "bodyに値が入っていない時はエラー" do
     tweet = @user.tweets.create(
       body: nil
     )
-    expect(tweet).not_to be_valid
+    expect(tweet).not_to(be_valid)
   end
 
   it "user_idに値が入っていない時はエラー" do
     tweet = Tweet.create(
       body: "hoge"
     )
-    expect(tweet).not_to be_valid
+    expect(tweet).not_to(be_valid)
   end
 
   it "bodyの文字列が120文字以上の時はエラー" do
@@ -45,6 +45,6 @@
     tweet = @user.tweets.create(
       body: text,
     )
-    expect(tweet).not_to be_valid
+    expect(tweet).not_to(be_valid)
   end
 end

spec/models/user_spec.rb

@@ -16,7 +16,6 @@
 require 'rails_helper'
 
 RSpec.describe User, type: :model do
-  # pending "add some examples to (or delete) #{__FILE__}"
   it "ユーザを登録できる" do
     user = FactoryBot.create(:user)
     expect(user).to be_valid