demonstrate expansion from prior process.env

motdotla · Feb 17, 2024 · 13a0555 · 13a0555
1 parent 3f5116c
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diff --git a/tests/.env.test b/tests/.env.test
@@ -72,3 +72,6 @@ EXPAND_SELF=$EXPAND_SELF
 # https://github.com/motdotla/dotenv-expand/issues/112#issuecomment-1937330651
 HOST="something"
 DOMAIN="https://${HOST}"
+
+https://github.com/motdotla/dotenv-expand/issues/120
+BASE_URL=https://${APP_DOMAIN}/api/
diff --git a/tests/main.js b/tests/main.js
@@ -510,6 +510,17 @@ t.test('does not attempt to expand password if already existed in processEnv', c
   ct.end()
 })
 
+t.test('expands using processEnv already set on docker machine', ct => {
+  process.env.APP_DOMAIN = 'example.com' // simulate env set on docker already
+
+  const dotenv = require('dotenv').config({ path: 'tests/.env.test' })
+  dotenvExpand.expand(dotenv)
+
+  ct.equal(process.env.BASE_URL, 'https://example.com/api/')
+
+  ct.end()
+})
+
 t.test('does not expand dollar sign that are not variables', ct => {
   const dotenv = {
     parsed: {