Writing out more tests, fixed some bugs

spec/controllers/api/accounts_controller_spec.rb

@@ -1,27 +1,71 @@
 require 'rails_helper'
 
 RSpec.describe Api::AccountsController, type: :controller do
+  let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
+  let(:token) { double acceptable?: true, resource_owner_id: user.id }
+
+  before do
+    allow(controller).to receive(:doorkeeper_token) { token }
+  end
+
   describe 'GET #show' do
-    it 'returns http success'
+    it 'returns http success' do
+      get :show, id: user.account.id
+      expect(response).to have_http_status(:success)
+    end
   end
 
   describe 'GET #statuses' do
-    it 'returns http success'
+    it 'returns http success' do
+      get :statuses, id: user.account.id
+      expect(response).to have_http_status(:success)
+    end
   end
 
   describe 'GET #followers' do
-    it 'returns http success'
+    it 'returns http success' do
+      get :followers, id: user.account.id
+      expect(response).to have_http_status(:success)
+    end
   end
 
   describe 'GET #following' do
-    it 'returns http success'
+    it 'returns http success' do
+      get :following, id: user.account.id
+      expect(response).to have_http_status(:success)
+    end
   end
 
   describe 'POST #follow' do
-    it 'returns http success'
+    let(:other_account) { Fabricate(:account, username: 'bob') }
+
+    before do
+      post :follow, id: other_account.id
+    end
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'creates a following relation between user and target user' do
+      expect(user.account.following?(other_account)).to be true
+    end
   end
 
   describe 'POST #unfollow' do
-    it 'returns http success'
+    let(:other_account) { Fabricate(:account, username: 'bob') }
+
+    before do
+      user.account.follow!(other_account)
+      post :unfollow, id: other_account.id
+    end
+
+    it 'returns http success' do
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'removes the following relation between user and target user' do
+      expect(user.account.following?(other_account)).to be false
+    end
   end
 end