test: accept more env vars on CI

Author: rmg

test/init.js

@@ -8,12 +8,20 @@ var DataSource = require('loopback-datasource-juggler').DataSource;
 var config = require('rc')('loopback', {test: {postgresql: {}}}).test.postgresql;
 
 if (process.env.CI) {
+  process.env.PGHOST = process.env.TEST_POSTGRESQL_HOST ||
+    process.env.POSTGRESQL_HOST || process.env.PGHOST || 'localhost';
+  process.env.PGPORT = process.env.TEST_POSTGRESQL_PORT ||
+    process.env.POSTGRESQL_PORT || process.env.PGPORT || 5432;
+  process.env.PGUSER = process.env.TEST_POSTGRESQL_USER ||
+    process.env.POSTGRESQL_USER || process.env.PGUSER || 'test';
+  process.env.PGPASSWORD = process.env.TEST_POSTGRESQL_PASSWORD ||
+    process.env.POSTGRESQL_PASSWORD || process.env.PGPASSWORD || '';
   config = {
-    host: process.env.TEST_POSTGRESQL_HOST || config.host || 'localhost',
-    port: process.env.TEST_POSTGRESQL_PORT || config.port || 5432,
+    host: process.env.PGHOST,
+    port: process.env.PGPORT,
     database: process.env.TEST_POSTGRESQL_DATABASE || 'emptytest',
-    username: process.env.TEST_POSTGRESQL_USER || config.username,
-    password: process.env.TEST_POSTGRESQL_PASSWORD || config.password
+    username: process.env.PGUSER,
+    password: process.env.PGPASSWORD,
   };
 }