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https://github.com/bckelley/cgm-remote-monitor.git
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bewestandBen West
d4d2574307
Introduce new environment variables for MongoDB connection pool configuration (pool size, min pool size, max idle time) and add related tests and documentation. Replit-Commit-Author: Agent Replit-Commit-Session-Id: cf276ff5-4001-4b44-93fe-7c9786ee4327 Replit-Commit-Checkpoint-Type: intermediate_checkpoint Replit-Commit-Event-Id: 6d2a0738-a5a9-4167-a04b-df474a95be16 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7ea4278b-5c6c-4065-9cb8-f1013771318d/cf276ff5-4001-4b44-93fe-7c9786ee4327/MVHBPJ5 Replit-Helium-Checkpoint-Created: true
85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
'use strict';
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require('should');
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const mongoStorage = require('../lib/storage/mongo-storage');
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describe('MongoDB Connection Pool Configuration', function() {
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describe('Default Pool Size', function() {
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it('should have DEFAULT_POOL_SIZE set to 5', function() {
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mongoStorage.DEFAULT_POOL_SIZE.should.equal(5);
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});
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it('should have LEGACY_POOL_SIZE set to 100 for backward compatibility', function() {
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mongoStorage.LEGACY_POOL_SIZE.should.equal(100);
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});
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});
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describe('getPoolOptions', function() {
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it('should return default pool size of 5 when no env vars set', function() {
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const env = {};
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const options = mongoStorage.getPoolOptions(env);
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options.maxPoolSize.should.equal(5);
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options.minPoolSize.should.equal(0);
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options.maxIdleTimeMS.should.equal(30000);
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});
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it('should allow MONGO_POOL_SIZE to override default', function() {
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const env = { mongo_pool_size: '20' };
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const options = mongoStorage.getPoolOptions(env);
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options.maxPoolSize.should.equal(20);
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});
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it('should allow restoring legacy pool size of 100 via MONGO_POOL_SIZE', function() {
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const env = { mongo_pool_size: '100' };
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const options = mongoStorage.getPoolOptions(env);
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options.maxPoolSize.should.equal(100);
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});
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it('should allow MONGO_MIN_POOL_SIZE to set minimum connections', function() {
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const env = { mongo_min_pool_size: '2' };
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const options = mongoStorage.getPoolOptions(env);
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options.minPoolSize.should.equal(2);
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});
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it('should allow MONGO_MAX_IDLE_TIME_MS to control idle timeout', function() {
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const env = { mongo_max_idle_time_ms: '60000' };
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const options = mongoStorage.getPoolOptions(env);
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options.maxIdleTimeMS.should.equal(60000);
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});
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it('should handle all pool options together', function() {
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const env = {
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mongo_pool_size: '50',
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mongo_min_pool_size: '5',
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mongo_max_idle_time_ms: '120000'
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};
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const options = mongoStorage.getPoolOptions(env);
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options.maxPoolSize.should.equal(50);
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options.minPoolSize.should.equal(5);
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options.maxIdleTimeMS.should.equal(120000);
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});
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});
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describe('Pool Size Rationale', function() {
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it('default should be much smaller than MongoDB driver default of 100', function() {
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mongoStorage.DEFAULT_POOL_SIZE.should.be.lessThan(mongoStorage.LEGACY_POOL_SIZE);
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mongoStorage.DEFAULT_POOL_SIZE.should.be.lessThan(20);
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});
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});
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});
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