Test: /api/v1/circles、/api/v1/circles/:id/accountsのテストを更新 (#130)

* Test: `/api/v1/circles`のテストを更新

* Add: `/api/v1/circles/accounts`のテストも追加

spec/requests/api/v1/circles/accounts_spec.rb

@@ -0,0 +1,165 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Accounts' do
+  let(:user)    { Fabricate(:user) }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:scopes)  { 'read:lists write:lists' }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'GET /api/v1/circles/:id/accounts' do
+    subject do
+      get "/api/v1/circles/#{circle.id}/accounts", headers: headers, params: params
+    end
+
+    let(:params)   { { limit: 0 } }
+    let(:circle)   { Fabricate(:circle, account: user.account) }
+    let(:accounts) { Fabricate.times(3, :account) }
+
+    let(:expected_response) do
+      accounts.map do |account|
+        a_hash_including(id: account.id.to_s, username: account.username, acct: account.acct)
+      end
+    end
+
+    before do
+      accounts.each { |account| account.follow!(user.account) }
+      circle.accounts << accounts
+    end
+
+    it_behaves_like 'forbidden for wrong scope', 'write write:lists'
+
+    it 'returns the accounts in the requested circle', :aggregate_failures do
+      subject
+
+      expect(response).to have_http_status(200)
+      expect(body_as_json).to match_array(expected_response)
+    end
+
+    context 'with limit param' do
+      let(:params) { { limit: 1 } }
+
+      it 'returns only the requested number of accounts' do
+        subject
+
+        expect(body_as_json.size).to eq(params[:limit])
+      end
+    end
+  end
+
+  describe 'POST /api/v1/circles/:id/accounts' do
+    subject do
+      post "/api/v1/circles/#{circle.id}/accounts", headers: headers, params: params
+    end
+
+    let(:circle) { Fabricate(:circle, account: user.account) }
+    let(:bob)    { Fabricate(:account, username: 'bob') }
+    let(:params) { { account_ids: [bob.id] } }
+
+    it_behaves_like 'forbidden for wrong scope', 'read read:lists'
+
+    context 'when the added account is followed' do
+      before do
+        bob.follow!(user.account)
+      end
+
+      it 'adds account to the circle', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(circle.accounts).to include(bob)
+      end
+    end
+
+    context 'when the added account is not followed' do
+      it 'does not add the account to the circle', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(404)
+        expect(circle.accounts).to_not include(bob)
+      end
+    end
+
+    context 'when the circle is not owned by the requesting user' do
+      let(:circle) { Fabricate(:circle) }
+
+      before do
+        bob.follow!(user.account)
+      end
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when account is already in the circle' do
+      before do
+        bob.follow!(user.account)
+        circle.accounts << bob
+      end
+
+      it 'returns http unprocessable entity' do
+        subject
+
+        expect(response).to have_http_status(422)
+      end
+    end
+  end
+
+  describe 'DELETE /api/v1/circles/:id/accounts' do
+    subject do
+      delete "/api/v1/circles/#{circle.id}/accounts", headers: headers, params: params
+    end
+
+    context 'when the circle is owned by the requesting user' do
+      let(:circle) { Fabricate(:circle, account: user.account) }
+      let(:bob)    { Fabricate(:account, username: 'bob') }
+      let(:peter)  { Fabricate(:account, username: 'peter') }
+      let(:params) { { account_ids: [bob.id] } }
+
+      before do
+        bob.follow!(user.account)
+        peter.follow!(user.account)
+        circle.accounts << [bob, peter]
+      end
+
+      it 'removes the specified account from the circle', :aggregate_failures do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(circle.accounts).to_not include(bob)
+      end
+
+      it 'does not remove any other account from the circle' do
+        subject
+
+        expect(circle.accounts).to include(peter)
+      end
+
+      context 'when the specified account is not in the circle' do
+        let(:params) { { account_ids: [0] } }
+
+        it 'does not remove any account from the circle', :aggregate_failures do
+          subject
+
+          expect(response).to have_http_status(200)
+          expect(circle.accounts).to contain_exactly(bob, peter)
+        end
+      end
+    end
+
+    context 'when the circle is not owned by the requesting user' do
+      let(:circle) { Fabricate(:circle) }
+      let(:params) { {} }
+
+      it 'returns http not found' do
+        subject
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
+end