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DoubleEdge.cs
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using EdgeJs;
using System.Dynamic;
using NUnit.Framework;
namespace double_test
{
[TestFixture]
public class DoubleEdge
{
[OneTimeTearDown]
public void CleanUp()
{
Console.WriteLine("Cleanup");
Edge.Func(@"ABORT");
}
[Test]
public void FailsWithMissingParameter()
{
try
{
Edge.Func(null);
Assert.Fail("Unexpected success.");
}
catch (Exception e)
{
Assert.IsTrue(GetInnermostException(e).Message.IndexOf("Node.js code") != -1, "Unexpected exception.");
}
}
[Test]
public void FailsWithMalformedJavaScript()
{
try
{
Edge.Func("foobar");
Assert.Fail("Unexpected success.");
}
catch (Exception e)
{
Assert.IsTrue(GetInnermostException(e).Message.IndexOf("foobar is not defined") != -1, "Unexpected exception.");
}
}
[Test]
public void SucceedsForHelloWorld()
{
var result = Edge.Func(@"
return function (data, cb) {
cb(null, 'Node.js welcomes ' + data);
}
")(".NET").Result;
Assert.AreEqual(result, "Node.js welcomes .NET");
}
[Test]
public void SucceedsCheckingNodeVersion()
{
var result = Edge.Func(@"
return function (data, cb) {
cb(null, process.version);
}
")(".NET").Result;
System.Console.WriteLine(result);
Assert.AreEqual(result, "v22.12.0");
}
[Test]
public void SuccessfulyMarshalsDataFromNetToNode()
{
var result = Edge.Func(@"
var assert = require('assert');
return function (data, cb) {
assert.equal(typeof data, 'object');
assert.ok(data.a === 1);
assert.ok(data.b === 3.1415);
assert.ok(data.c === 'foo');
assert.ok(data.d === true);
assert.ok(data.e === false);
assert.equal(typeof data.f, 'object');
assert.ok(Buffer.isBuffer(data.f));
assert.equal(data.f.length, 10);
assert.ok(Array.isArray(data.g));
assert.equal(data.g.length, 2);
assert.ok(data.g[0] === 1);
assert.ok(data.g[1] === 'foo');
assert.equal(typeof data.h, 'object');
assert.ok(data.h.a === 'foo');
assert.ok(data.h.b === 12);
assert.equal(typeof data.i, 'function');
assert.equal(typeof data.j, 'object');
assert.ok(data.j.valueOf() === Date.UTC(2013, 07, 30));
cb(null, 'ok');
}
")(new {
a = 1,
b = 3.1415,
c = "foo",
d = true,
e = false,
f = new byte[10],
g = new object[] { 1, "foo" },
h = new { a = "foo", b = 12 },
i = (Func<object,Task<object>>)(async (i) => { return i; }),
j = new DateTime(2013, 08, 30)
}).Result;
Assert.AreEqual(result, "ok");
}
[Test]
public void SuccessfulyMarshalsDataFromNodeToNet()
{
dynamic result = (dynamic)Edge.Func(@"
return function (data, cb) {
cb(null, {
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) { },
j: new Date(Date.UTC(2013, 07, 30))
});
}
")(null).Result;
Assert.AreEqual(result.a, 1);
Assert.AreEqual(result.b, 3.1415);
Assert.AreEqual(result.c, "foo");
Assert.AreEqual(result.d, true);
Assert.AreEqual(result.e, false);
Assert.AreEqual(result.f.GetType(), typeof(byte[]));
Assert.AreEqual(((byte[])result.f).Length, 10);
Assert.AreEqual(result.g.GetType(), typeof(object[]));
Assert.AreEqual(((object[])result.g)[0], 1);
Assert.AreEqual(((object[])result.g)[1], "foo");
Assert.AreEqual(result.h.GetType(), typeof(ExpandoObject));
Assert.AreEqual(((dynamic)result.h).a, "foo");
Assert.AreEqual(((dynamic)result.h).b, 12);
Assert.AreEqual(result.i.GetType(), typeof(Func<object,Task<object>>));
Assert.AreEqual(result.j, new DateTime(2013, 08, 30));
}
[Test]
public void SuccessfulyMarshalsNodeException()
{
try
{
var result = Edge.Func(@"
return function (data, cb) {
throw new Error('Sample error');
}
")(null).Result;
Assert.Fail("Unexpected success.");
}
catch (Exception e)
{
Assert.IsTrue(GetInnermostException(e).Message.IndexOf("Sample error") != -1, "Unexpected exception.");
}
}
[Test]
public void SuccessfulyMarshalsNodeError()
{
try
{
var result = Edge.Func(@"
return function (data, cb) {
cb(new Error('Sample error'));
}
")(null).Result;
Assert.Fail("Unexpected success.");
}
catch (Exception e)
{
Assert.IsTrue(GetInnermostException(e).Message.IndexOf("Sample error") != -1, "Unexpected exception.");
}
}
[Test]
public void SuccessfulyMarshalsEmptyBuffer()
{
var result = Edge.Func(@"
var assert = require('assert');
return function (data, cb) {
assert.ok(Buffer.isBuffer(data));
assert.equal(data.length, 0);
cb(null, new Buffer(0));
}
")(new byte[] {}).Result;
Assert.AreEqual(result.GetType(), typeof(byte[]));
Assert.AreEqual(((byte[])result).Length, 0);
}
[Test]
public void SuccessfulyRoundtripsUnicodeCharacters()
{
var data = "ñòóôõöøùúûüýÿ";
var result = Edge.Func(@"
return function (data, cb) {
cb(null, data);
}
")(data).Result;
Assert.AreEqual(result, data);
}
[Test]
public void SuccessfulyRoundtripsEmptyString()
{
var data = "";
var result = Edge.Func(@"
return function (data, cb) {
cb(null, data);
}
")(data).Result;
Assert.AreEqual(result, data);
}
[Test]
public void SuccessfulyCallsSyncNetFunctionFromNodeAsynchronously()
{
var result = Edge.Func(@"
return function (data, cb) {
data(null, cb);
}
")((Func<object, Task<object>>)(async (input) =>
{
return "ok";
})).Result;
Assert.AreEqual(result, "ok");
}
[Test]
public void SuccessfulyCallsSyncNetFunctionFromNodeSynchronously()
{
var result = Edge.Func(@"
return function (data, cb) {
cb(null, data(null, true));
}
")((Func<object, Task<object>>)(async (input) =>
{
return "ok";
})).Result;
Assert.AreEqual(result, "ok");
}
[Test]
public void FailsCallingAsyncNetFunctionFromNodeSynchronously()
{
try
{
var result = Edge.Func(@"
return function (data, cb) {
cb(null, data(null, true));
}
")((Func<object, Task<object>>)(async (input) =>
{
await Task.Delay(1000);
return "ok";
})).Result;
Assert.Fail("Unexpected success.");
}
catch (Exception e)
{
Assert.IsTrue(GetInnermostException(e).Message.IndexOf("The JavaScript function was called synchronously but") != -1, "Unexpected exception.");
}
}
[Test]
public void SuccessfulyCallsAsyncNetFunctionFromNode()
{
var result = Edge.Func(@"
return function (data, cb) {
data(null, cb);
}
")((Func<object,Task<object>>)(async (input) =>
{
await Task.Delay(1);
return "ok";
})).Result;
Assert.AreEqual(result, "ok");
}
[Test]
public void CallExportedNodeClosureOverJavaScriptState()
{
var func = Edge.Func(@"
var k = 0;
return function (data, cb) {
cb(null, ++k);
}
");
Assert.AreEqual(func(null).Result, 1);
Assert.AreEqual(func(null).Result, 2);
}
Exception GetInnermostException(Exception e)
{
var result = e;
while (e != null)
{
if (e.InnerException != null)
{
result = e.InnerException;
}
e = e.InnerException;
}
return result;
}
}
}