1 2var seed = Math.random(); 3var n = 'rc'+ seed; 4var N = 'RC'+ seed; 5var assert = require('assert') 6 7 8// Basic usage 9process.env[n+'_someOpt__a'] = 42 10process.env[n+'_someOpt__x__'] = 99 11process.env[n+'_someOpt__a__b'] = 186 12process.env[n+'_someOpt__a__b__c'] = 243 13process.env[n+'_someOpt__x__y'] = 1862 14process.env[n+'_someOpt__z'] = 186577 15 16// Should ignore empty strings from orphaned '__' 17process.env[n+'_someOpt__z__x__'] = 18629 18process.env[n+'_someOpt__w__w__'] = 18629 19 20// Leading '__' should ignore everything up to 'z' 21process.env[n+'___z__i__'] = 9999 22 23// should ignore case for config name section. 24process.env[N+'_test_upperCase'] = 187 25 26function testPrefix(prefix) { 27 var config = require('../')(prefix, { 28 option: true 29 }) 30 31 console.log('\n\n------ nested-env-vars ------\n',{prefix: prefix}, '\n', config); 32 33 assert.equal(config.option, true) 34 assert.equal(config.someOpt.a, 42) 35 assert.equal(config.someOpt.x, 99) 36 // Should not override `a` once it's been set 37 assert.equal(config.someOpt.a/*.b*/, 42) 38 // Should not override `x` once it's been set 39 assert.equal(config.someOpt.x/*.y*/, 99) 40 assert.equal(config.someOpt.z, 186577) 41 // Should not override `z` once it's been set 42 assert.equal(config.someOpt.z/*.x*/, 186577) 43 assert.equal(config.someOpt.w.w, 18629) 44 assert.equal(config.z.i, 9999) 45 46 assert.equal(config.test_upperCase, 187) 47} 48 49testPrefix(n); 50testPrefix(N); 51