run shared tests from both v3 and v4 of juggler

.eslintignore

@@ -0,0 +1 @@
+**/node_modules/

deps/juggler-v3/package.json

@@ -0,0 +1,8 @@
+{
+    "name": "juggler-v3",
+    "version": "3.0.0",
+    "dependencies": {
+        "loopback-datasource-juggler": "3.x",
+        "should": "^13.2.3"
+    }
+}

deps/juggler-v3/test.js

@@ -0,0 +1,24 @@
+// Copyright IBM Corp. 2019. All Rights Reserved.
+// Node module: loopback-connector-oracle
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+'use strict';
+
+const juggler = require('loopback-datasource-juggler');
+const name = require('./package.json').name;
+
+require('../../test/init/init');
+
+describe(name, function() {
+  before(function() {
+    return global.resetDataSourceClass(juggler.DataSource);
+  });
+
+  after(function() {
+    return global.resetDataSourceClass();
+  });
+
+  require('loopback-datasource-juggler/test/common.batch.js');
+  require('loopback-datasource-juggler/test/include.test.js');
+});

deps/juggler-v4/package.json

@@ -0,0 +1,8 @@
+{
+    "name": "juggler-v4",
+    "version": "4.0.0",
+    "dependencies": {
+        "loopback-datasource-juggler": "4.x",
+        "should": "^13.2.3"
+    }
+}

deps/juggler-v4/test.js

@@ -0,0 +1,24 @@
+// Copyright IBM Corp. 2019. All Rights Reserved.
+// Node module: loopback-connector-oracle
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+'use strict';
+
+const juggler = require('loopback-datasource-juggler');
+const name = require('./package.json').name;
+
+require('../../test/init/init');
+
+describe(name, function() {
+  before(function() {
+    return global.resetDataSourceClass(juggler.DataSource);
+  });
+
+  after(function() {
+    return global.resetDataSourceClass();
+  });
+
+  require('loopback-datasource-juggler/test/common.batch.js');
+  require('loopback-datasource-juggler/test/include.test.js');
+});

package.json

@@ -15,7 +15,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "eslint .",
-    "test": "mocha --UV_THREADPOOL_SIZE=100 --require test/init/init.js test/*.js",
+    "test": "mocha test/*.test.js node_modules/juggler-v3/test.js node_modules/juggler-v4/test.js",
     "posttest": "npm run lint"
   },
   "dependencies": {
@@ -29,7 +29,9 @@
     "bluebird": "^3.3.3",
     "eslint": "^3.17.0",
     "eslint-config-loopback": "^8.0.0",
-    "loopback-datasource-juggler": "^3.0.0",
+    "juggler-v3": "file:./deps/juggler-v3",
+    "juggler-v4": "file:./deps/juggler-v4",
+    "loopback-datasource-juggler": "^3.0.0 || ^4.0.0",
     "mocha": "^5.2.0",
     "rc": "^1.0.0",
     "should": "^8.0.2"

test/init/init.js

@@ -5,7 +5,8 @@
 
 'use strict';
 
-var DataSource = require('loopback-datasource-juggler').DataSource;
+const juggler = require('loopback-datasource-juggler');
+let DataSource = juggler.DataSource;
 
 var config = require('rc')('loopback', {test: {oracle: {}}}).test.oracle;
 config.maxConn = 64;
@@ -23,6 +24,13 @@ global.getDataSource = global.getSchema = function() {
   return db;
 };
 
+global.resetDataSourceClass = function(ctor) {
+  DataSource = ctor || juggler.DataSource;
+  const promise = db ? db.disconnect() : Promise.resolve();
+  db = undefined;
+  return promise;
+};
+
 global.connectorCapabilities = {
   ilike: false,
   nilike: false,

test/oracle.test.js

@@ -8,8 +8,8 @@
 /* global getDataSource */
 var juggler = require('loopback-datasource-juggler');
 var CreateDS = juggler.DataSource;
-require('loopback-datasource-juggler/test/common.batch.js');
-require('loopback-datasource-juggler/test/include.test.js');
+// require('loopback-datasource-juggler/test/common.batch.js');
+// require('loopback-datasource-juggler/test/include.test.js');
 
 require('./init/init');
 var should = require('should');