spec.rb

# OLD
context 'when token is expired' do
  let!(:user) { create :user, discord_token_expired: true }

  context 'when token refresh successful' do
    let(:response) { build(:discord_refresh_token_response) }

    before do
      stub_request(:post, "https://discordapp.com/api/v6/oauth2/token")
        .to_return(body: response.to_json)
    end

    it 'updates user token' do
      expect { subject }.to(
        change { user.reload.oauth_discord['credentials']['token'] }.to(response['access_token'])
      )
    end

    it 'keep new token when transaction failed' do
      ActiveRecord::Base.transaction do
        subject
        raise ActiveRecord::Rollback
      end

      expect(user.reload.oauth_discord['credentials']['token']).to eq response['access_token']
    end
  end
end


# NEW
shared_context 'user with expired token' do
  let!(:user) { create :user, discord_token_expired: true }
end

shared_context 'token refresh successful' do
  let(:response) { build(:discord_refresh_token_response) }

  before do
    stub_request(:post, "https://discordapp.com/api/v6/oauth2/token")
      .to_return(body: response.to_json)
  end
end

context do
  when 'user with expired token'
  when 'token refresh successful'

  it 'updates user token' do
    expect { subject }.to(
      change { user.reload.oauth_discord['credentials']['token'] }.to(response['access_token'])
    )
  end

  it 'keeps new token when transaction failed' do
    ActiveRecord::Base.transaction do
      subject
      raise ActiveRecord::Rollback
    end

    expect(user.reload.oauth_discord['credentials']['token']).to eq response['access_token']
  end
end