feat: run shared tests

.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": "^8.4.0"
+  }
+}

deps/juggler-v3/test.js

@@ -0,0 +1,49 @@
+// Copyright IBM Corp. 2019. All Rights Reserved.
+// Node module: loopback-connector-postgresql
+// This file is licensed under the Artistic License 2.0.
+// License text available at https://opensource.org/licenses/Artistic-2.0
+
+'use strict';
+
+const semver = require('semver');
+const should = require('should');
+const juggler = require('loopback-datasource-juggler');
+const name = require('./package.json').name;
+
+require('../../test/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/default-scope.test.js');
+  require('loopback-datasource-juggler/test/include.test.js');
+
+  // === Operation hooks ==== //
+
+  const suite = require('loopback-datasource-juggler/test/persistence-hooks.suite.js');
+
+  const DB_VERSION = process.env.MONGODB_VERSION;
+
+  if (!DB_VERSION) {
+    console.log('The ENV variable MONGODB_VERSION is not set.' +
+      ' Assuming MongoDB version 2.6 or newer.');
+  }
+
+  const DB_HAS_2_6_FEATURES = (!DB_VERSION ||
+    semver.satisfies(DB_VERSION, '>=2.6.0'));
+
+  const customConfig = Object.assign({}, global.config, {
+    enableOptimisedFindOrCreate: DB_HAS_2_6_FEATURES,
+  });
+
+  suite(global.getDataSource(customConfig, juggler.DataSource), should, {
+    replaceOrCreateReportsNewInstance: DB_HAS_2_6_FEATURES,
+  });
+});

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 +1,49 @@
+// Copyright IBM Corp. 2019. All Rights Reserved.
+// Node module: loopback-connector-postgresql
+// This file is licensed under the Artistic License 2.0.
+// License text available at https://opensource.org/licenses/Artistic-2.0
+
+'use strict';
+
+const semver = require('semver');
+const should = require('should');
+const juggler = require('loopback-datasource-juggler');
+const name = require('./package.json').name;
+
+require('../../test/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/default-scope.test.js');
+  require('loopback-datasource-juggler/test/include.test.js');
+
+  // === Operation hooks ==== //
+
+  const suite = require('loopback-datasource-juggler/test/persistence-hooks.suite.js');
+
+  const DB_VERSION = process.env.MONGODB_VERSION;
+
+  if (!DB_VERSION) {
+    console.log('The ENV variable MONGODB_VERSION is not set.' +
+      ' Assuming MongoDB version 2.6 or newer.');
+  }
+
+  const DB_HAS_2_6_FEATURES = (!DB_VERSION ||
+    semver.satisfies(DB_VERSION, '>=2.6.0'));
+
+  const customConfig = Object.assign({}, global.config, {
+    enableOptimisedFindOrCreate: DB_HAS_2_6_FEATURES,
+  });
+
+  suite(global.getDataSource(customConfig, juggler.DataSource), should, {
+    replaceOrCreateReportsNewInstance: DB_HAS_2_6_FEATURES,
+  });
+});

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "pretest": "node pretest.js",
     "lint": "eslint .",
-    "test": "mocha --timeout 10000 --require test/init.js test/*.js",
+    "test": "mocha --timeout 10000 test/*.test.js node_modules/juggler-v3/test.js node_modules/juggler-v4/test.js",
     "posttest": "npm run lint"
   },
   "dependencies": {
@@ -24,7 +24,9 @@
     "bluebird": "~2.9.10",
     "eslint": "^4.3.0",
     "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": "^2.1.0",
     "rc": "^1.0.0",
     "should": "^8.0.2",

test/imported.test.js

@@ -1,14 +0,0 @@
-// Copyright IBM Corp. 2013,2016. All Rights Reserved.
-// Node module: loopback-connector-mysql
-// This file is licensed under the MIT License.
-// License text available at https://opensource.org/licenses/MIT
-
-'use strict';
-describe('mysql imported features', function() {
-  before(function() {
-    require('./init.js');
-  });
-
-  require('loopback-datasource-juggler/test/common.batch.js');
-  require('loopback-datasource-juggler/test/include.test.js');
-});

test/init.js

@@ -28,11 +28,20 @@ global.getConfig = function(options) {
   return dbConf;
 };
 
-global.getDataSource = global.getSchema = function(options) {
-  var db = new DataSource(require('../'), global.getConfig(options));
+global.getDataSource = global.getSchema = function(options, customClass) {
+  const ctor = customClass || DataSource;
+  const db = new ctor(require('../'), global.getConfig(options));
+  // var db = new DataSource(require('../'), global.getConfig(options));
   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/persistence-hooks.test.js

@@ -1,12 +0,0 @@
-// Copyright IBM Corp. 2015,2017. All Rights Reserved.
-// Node module: loopback-connector-mysql
-// This file is licensed under the MIT License.
-// License text available at https://opensource.org/licenses/MIT
-
-'use strict';
-var should = require('./init');
-var suite = require('loopback-datasource-juggler/test/persistence-hooks.suite.js');
-
-suite(global.getDataSource(), should, {
-  replaceOrCreateReportsNewInstance: false,
-});