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instrumental/spec/models/setting_spec.rb

79 lines
2.1 KiB
Ruby

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