105_node2net_sync.js

var edge = require('../lib/edge.js'), assert = require('assert');

var edgeTestDll = __dirname + '\\Edge.Tests.dll';

describe('sync call from node.js to .net', function () {

	it('succeeds for hello world', function () {
		var func = edge.func('async (input) => { return ".NET welcomes " + input.ToString(); }');
		var result = func('Node.js', true);
		assert.equal(result, '.NET welcomes Node.js');
	});

	it('succeeds for hello world when called sync and async', function (done) {
		// create the func
		var func = edge.func('async (input) => { return ".NET welcomes " + input.ToString(); }');

		// call the func synchronously
		var result = func('Node.js', true);
		assert.equal(result, '.NET welcomes Node.js');

		// call the same func asynchronously
		func('Node.js', function (error, result) {
			assert.ifError(error);
			assert.equal(result, '.NET welcomes Node.js');
			done();
		});
	});

	it('successfuly marshals data from node.js to .net', function () {
		var func = edge.func({
			assemblyFile: edgeTestDll,
			methodName: 'MarshalIn'
		});
		var payload = {
			a: 1,
			b: 3.1415,
			c: 'foo',
			d: true,
			e: false,
			f: new Buffer(10),
			g: [ 1, 'foo' ],
			h: { a: 'foo', b: 12 },
			i: function (payload, callback) { }
		};
		var result = func(payload, true);
		assert.equal(result, 'yes');
	});

	it('successfuly marshals .net exception thrown on v8 thread from .net to node.js', function () {
		var func = edge.func(function() {/*
			async (input) => 
			{
				throw new Exception("Test .NET exception");
			}
		*/});
		assert.throws(
			function() { func(null, true); },
			/Test .NET exception/
		);
	});

	it('fails if C# method does not complete synchronously', function () {
		var func = edge.func(function() {/*
			async (input) => 
			{
				await Task.Delay(1000);
				return null;
			}
		*/});
		assert.throws(
			function() { func(null, true); },
			/The CLR function was declared as synchronous but it returned without completing the Task/
		);
	});
});