79 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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require 'rails_helper'
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RSpec.describe Setting do
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  describe '#to_param' do
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    let(:setting) { Fabricate(:setting, var: var) }
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    let(:var)     { 'var' }
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    it 'returns setting.var' do
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      expect(setting.to_param).to eq var
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    end
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  end
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  describe '.[]' do
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    let(:key)         { 'key' }
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    let(:cache_key)   { 'cache-key' }
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    let(:cache_value) { 'cache-value' }
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    before do
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      allow(described_class).to receive(:cache_key).with(key).and_return(cache_key)
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    end
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    context 'when Rails.cache does not exists' do
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      before do
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        allow(described_class).to receive(:default_settings).and_return(default_settings)
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        Fabricate(:setting, var: key, value: 42) if save_setting
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        Rails.cache.delete(cache_key)
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      end
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      let(:default_value)    { 'default_value' }
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      let(:default_settings) { { key => default_value } }
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      let(:save_setting)     { true }
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      context 'when the setting has been saved to database' do
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        it 'returns the value from database' do
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          callback = double
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          allow(callback).to receive(:call)
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          ActiveSupport::Notifications.subscribed callback, 'sql.active_record' do
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            expect(described_class[key]).to eq 42
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          end
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          expect(callback).to have_received(:call)
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        end
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      end
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      context 'when the setting has not been saved to database' do
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        let(:save_setting) { false }
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        it 'returns default_settings[key]' do
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          expect(described_class[key]).to be default_settings[key]
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        end
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      end
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    end
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    context 'when Rails.cache exists' do
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      before do
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        Rails.cache.write(cache_key, cache_value)
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      end
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      it 'does not query the database' do
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        callback = double
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        allow(callback).to receive(:call)
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        ActiveSupport::Notifications.subscribed callback, 'sql.active_record' do
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          described_class[key]
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        end
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        expect(callback).to_not have_received(:call)
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      end
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      it 'returns the cached value' do
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        expect(described_class[key]).to eq cache_value
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      end
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    end
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  end
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end
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