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# frozen_string_literal: true
require 'spec_helper'
RSpec.shared_examples "redis_new_instance_shared_examples" do |name, fallback_class|
include TmpdirHelper
let(:instance_specific_config_file) { "config/redis.#{name}.yml" }
let(:fallback_config_file) { nil }
let(:rails_root) { mktmpdir }
before do
allow(fallback_class).to receive(:config_file_name).and_return(fallback_config_file)
end
it_behaves_like "redis_shared_examples"
describe '.pool' do
before do
allow(described_class).to receive(:config_file_name).and_call_original
allow(fallback_class).to receive(:params).and_return({})
clear_class_pool(described_class)
clear_class_pool(fallback_class)
end
after do
clear_class_pool(described_class)
clear_class_pool(fallback_class)
end
context 'when not using fallback config' do
it 'creates its own connection pool' do
expect(fallback_class.pool == described_class.pool).to eq(false)
end
end
context 'when using fallback config' do
before do
allow(described_class).to receive(:params).and_return({})
end
it 'uses the fallback class connection pool' do
expect(fallback_class.pool == described_class.pool).to eq(true)
end
end
end
describe '#fetch_config' do
subject { described_class.new('test').send(:fetch_config) }
before do
FileUtils.mkdir_p(File.join(rails_root, 'config'))
allow(described_class).to receive(:rails_root).and_return(rails_root)
end
context 'when redis.yml exists' do
before do
allow(described_class).to receive(:config_file_name).and_call_original
allow(described_class).to receive(:redis_yml_path).and_call_original
end
context 'when the fallback has a redis.yml entry' do
before do
File.write(File.join(rails_root, 'config/redis.yml'), {
'test' => {
described_class.config_fallback.store_name.underscore => { 'fallback redis.yml' => 123 }
}
}.to_json)
end
it { expect(subject).to eq({ 'fallback redis.yml' => 123 }) }
context 'and an instance config file exists' do
before do
File.write(File.join(rails_root, instance_specific_config_file), {
'test' => { 'instance specific file' => 456 }
}.to_json)
end
it { expect(subject).to eq({ 'instance specific file' => 456 }) }
context 'and the instance has a redis.yml entry' do
before do
File.write(File.join(rails_root, 'config/redis.yml'), {
'test' => { name => { 'instance redis.yml' => 789 } }
}.to_json)
end
it { expect(subject).to eq({ 'instance redis.yml' => 789 }) }
end
end
end
end
context 'when no redis config file exsits' do
it 'returns nil' do
expect(subject).to eq(nil)
end
context 'when resque.yml exists' do
before do
File.write(File.join(rails_root, 'config/resque.yml'), {
'test' => { 'foobar' => 123 }
}.to_json)
end
it 'returns the config from resque.yml' do
expect(subject).to eq({ 'foobar' => 123 })
end
end
end
end
def clear_class_pool(klass)
klass.remove_instance_variable(:@pool)
rescue NameError
# raised if @pool was not set; ignore
end
end
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