Core: Support non-browser environments

Fixes gh-2133
Fixes gh-2501
Closes gh-2504
Refs gh-1950
Refs gh-1949
Refs gh-2397
Refs gh-1537
Refs gh-2504
Refs 842958e7aecd0d75a7ee9e2aaec83457701aa2f3

4 files changed, 88 insertions, 0 deletions

diff --git a/build/tasks/install_jsdom.js b/build/tasks/install_jsdom.js
new file mode 100644
index 000000000..21d67eb0e
--- /dev/null
+++ b/build/tasks/install_jsdom.js
@@ -0,0 +1,27 @@
+module.exports = function( grunt ) {
+	grunt.registerTask( "jsdom", function() {
+		var current,
+			pkg = grunt.config( "pkg" ),
+			version = pkg.jsdomVersions[
+
+				// Unfortunately, this is currently the only
+				// way to tell the difference between Node and iojs
+				/^v0/.test( process.version ) ? "node" : "iojs"
+			];
+
+		try {
+			current = require( "jsdom/package.json" ).version;
+			if ( current === version ) {
+				return;
+			}
+		} catch ( e ) {}
+
+		// Use npm on the command-line
+		// There is no local npm
+		grunt.util.spawn( {
+			cmd: "npm",
+			args: [ "install", "jsdom@" + version ],
+			opts: { stdio: "inherit" }
+		}, this.async() );
+	});
+};
diff --git a/build/tasks/lib/spawn_test.js b/build/tasks/lib/spawn_test.js
new file mode 100644
index 000000000..6c4596a3d
--- /dev/null
+++ b/build/tasks/lib/spawn_test.js
@@ -0,0 +1,16 @@
+/* jshint node: true */
+
+"use strict";
+
+// Run Node with provided parameters: the first one being the Grunt
+// done function and latter ones being files to be tested.
+// See the comment in ../node_smoke_tests.js for more information.
+module.exports = function spawnTest( done ) {
+	var testPaths = [].slice.call( arguments, 1 ),
+		spawn = require( "win-spawn" );
+
+	spawn( "node", testPaths, { stdio: "inherit" } )
+		.on( "close", function( code ) {
+			done( code === 0 );
+		} );
+} ;
diff --git a/build/tasks/node_smoke_tests.js b/build/tasks/node_smoke_tests.js
new file mode 100644
index 000000000..9334516d9
--- /dev/null
+++ b/build/tasks/node_smoke_tests.js
@@ -0,0 +1,32 @@
+module.exports = function( grunt ) {
+
+	"use strict";
+
+	var fs = require( "fs" ),
+		spawnTest = require( "./lib/spawn_test.js" ),
+		testsDir = "./test/node_smoke_tests/",
+		nodeSmokeTests = [ "jsdom", "babel:nodeSmokeTests" ];
+
+	// Fire up all tests defined in test/node_smoke_tests/*.js in spawned sub-processes.
+	// All the files under test/node_smoke_tests/*.js are supposed to exit with 0 code
+	// on success or another one on failure. Spawning in sub-processes is
+	// important so that the tests & the main process don't interfere with
+	// each other, e.g. so that they don't share the require cache.
+
+	fs.readdirSync( testsDir )
+		.filter( function( testFilePath ) {
+			return fs.statSync( testsDir + testFilePath ).isFile() &&
+				/\.js$/.test( testFilePath );
+		} )
+		.forEach( function( testFilePath ) {
+			var taskName = "node_" + testFilePath.replace( /\.js$/, "" );
+
+			grunt.registerTask( taskName, function() {
+				spawnTest( this.async(), "test/node_smoke_tests/" + testFilePath );
+			} );
+
+			nodeSmokeTests.push( taskName );
+		} );
+
+	grunt.registerTask( "node_smoke_tests", nodeSmokeTests );
+};
diff --git a/build/tasks/promises_aplus_tests.js b/build/tasks/promises_aplus_tests.js
new file mode 100644
index 000000000..3e770a079
--- /dev/null
+++ b/build/tasks/promises_aplus_tests.js
@@ -0,0 +1,13 @@
+module.exports = function( grunt ) {
+
+	"use strict";
+
+	var spawnTest = require( "./lib/spawn_test.js" );
+
+	grunt.registerTask( "promises_aplus_tests", function() {
+		spawnTest( this.async(),
+			"./node_modules/.bin/promises-aplus-tests",
+			"test/promises_aplus_adapter.js"
+		);
+	} );
+};