adds a sscce template where code can easily be copied and run inside docker (#5781)

.gitignore

@@ -12,3 +12,4 @@ test/sqlite/test.sqlite
 coverage-*
 site
 docs/api/tmp.md
+ssce.js

package.json

@@ -129,7 +129,11 @@
     "cover-all": "npm run cover-mysql && npm run cover-postgres && npm run cover-postgres-native && npm run cover-mssql && npm run cover-sqlite && npm run cover-mariadb && npm run merge-coverage",
     "merge-coverage": "rm -rf coverage && mkdir coverage && ./node_modules/.bin/lcov-result-merger 'coverage-*/lcov.info' 'coverage/lcov.info'",
     "codeclimate-send": "npm install -g codeclimate-test-reporter && CODECLIMATE_REPO_TOKEN=ce835a510bbf423a5ab5400a9bdcc2ec2d189d840b31657c6ee7cb9916b161d6 codeclimate-test-reporter < coverage/lcov.info",
-    "codeclimate": "npm run cover-all && npm run codeclimate-send"
+    "codeclimate": "npm run cover-all && npm run codeclimate-send",
+    "sscce": "docker-compose run sequelize /bin/sh -c \"node sscce.js\"",
+    "sscce-mysql": "DIALECT=mysql npm run sscce",
+    "sscce-postgres": "DIALECT=postgres npm run sscce",
+    "sscce-sqlite": "DIALECT=sqlite npm run sscce"
   },
   "engines": {
     "node": ">=0.6.21"

sscce_template.js

+/*
+ * Copy this file to ./sscce.js
+ * Add code from issue
+ * npm run sscce-{dialect}
+ */
+
+var Sequelize = require('./index');
+var sequelize = require('./test/support').createSequelizeInstance();

test/support.js

@@ -225,9 +225,11 @@ var Support = {
   }
 };
 
-beforeEach(function() {
-  this.sequelize = Support.sequelize;
-});
+if (typeof beforeEach !== 'undefined') {
+  beforeEach(function() {
+    this.sequelize = Support.sequelize;
+  });
+}
 
 Support.sequelize = Support.createSequelizeInstance();
 module.exports = Support;