Merge pull request #111 from motdotla/expand-same-variable

demonstrate spec that recursive is fixed

tests/.env.test

@@ -65,3 +65,6 @@ DONT_CHOKE5='#la__nK?IxNlQ%`5q&DpcZ>Munx=[1-AMgAcwmPkToxTaB?kgdF5y`A8m=Oa-B!)'
 DONT_CHOKE6='xlC&*<j4J<d._<JKH0RBJV!4(ZQEN-+&!0p137<g*hdY2H4xk?/;KO1\$(W{:Wc}Q'
 DONT_CHOKE7='?\$6)m*xhTVewc#NVVgxX%eBhJjoHYzpXFg=gzn[rWXPLj5UWj@z\$/UDm8o79n/p%'
 DONT_CHOKE8='@}:[4#g%[R-CFR});bY(Z[KcDQDsVn2_y4cSdU<Mjy!c^F`G<!Ks7]kbS]N1:bP:'
+
+# https://github.com/motdotla/dotenv-expand/issues/98
+EXPAND_SELF=$EXPAND_SELF

tests/main.js

@@ -2,7 +2,6 @@
 'use strict'
 
 const t = require('tap')
-
 const dotenvExpand = require('../lib/main')
 
 t.test('returns object', ct => {
@@ -413,3 +412,12 @@ t.test('does not choke', ct => {
 
   ct.end()
 })
+
+t.test('expands self without a recursive call stack error', ct => {
+  const dotenv = require('dotenv').config({ path: 'tests/.env.test', processEnv: {} })
+  const parsed = dotenvExpand.expand(dotenv).parsed
+
+  ct.equal(parsed.EXPAND_SELF, '$EXPAND_SELF') // because it ends up accessing parsed[key].
+
+  ct.end()
+})