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Copy pathExtensionsTest.cs
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366 lines (293 loc) · 18.6 KB
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.ClearScript.JavaScript;
using Microsoft.ClearScript.V8;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Microsoft.ClearScript.Test
{
// ReSharper disable once PartialTypeWithSinglePart
[TestClass]
[SuppressMessage("Microsoft.Design", "CA1001:TypesThatOwnDisposableFieldsShouldBeDisposable", Justification = "Test classes use TestCleanupAttribute for deterministic teardown.")]
public partial class ExtensionsTest : ClearScriptTest
{
#region setup / teardown
private ScriptEngine engine;
[TestInitialize]
public void TestInitialize()
{
BaseTestInitialize();
engine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging);
engine.AddHostType(typeof(Extensions));
engine.AddHostType(typeof(JavaScriptExtensions));
}
[TestCleanup]
public void TestCleanup()
{
engine.Dispose();
BaseTestCleanup();
}
#endregion
#region test methods
// ReSharper disable InconsistentNaming
[TestMethod, TestCategory("Extensions")]
public void Extensions_ToHostType()
{
engine.Script.ClrMath = typeof(Math).ToHostType(engine);
Assert.AreEqual(Math.PI, engine.Evaluate("ClrMath.PI"));
engine.Script.randomType = typeof(Random);
Assert.IsInstanceOfType(engine.Evaluate("new (randomType.ToHostType())"), typeof(Random));
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_ToRestrictedHostObject()
{
IConvertible convertible = 123;
engine.Script.convertible = convertible.ToRestrictedHostObject(engine);
Assert.AreEqual(TypeCode.Int32, engine.Evaluate("convertible.GetTypeCode()"));
engine.AddHostType(typeof(IConvertible));
Assert.AreEqual(TypeCode.Int32, engine.Evaluate("Extensions.ToRestrictedHostObject(IConvertible, 456).GetTypeCode()"));
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise()
{
engine.Script.promise = Task.FromResult(Math.PI).ToPromise(engine);
engine.Execute("(async function () { result = await promise; })()");
Assert.AreEqual(Math.PI, engine.Script.result);
engine.Script.task = Task.FromResult(Math.E);
engine.Execute("(async function () { result = await task.ToPromise(); })()");
Assert.AreEqual(Math.E, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise_Faulted()
{
const string message = "No task for you!";
var task = Task.FromException<double>(new UnauthorizedAccessException(message));
engine.Script.promise = task.ToPromise(engine);
engine.Execute("(async function () { try { result = await promise; } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
engine.Script.task = task;
engine.Execute("(async function () { try { result = await task.ToPromise(); } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise_Canceled()
{
var message = new TaskCanceledException().Message;
var task = Task.FromCanceled<double>(new CancellationToken(true));
engine.Script.promise = task.ToPromise(engine);
engine.Execute("(async function () { try { result = await promise; } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
engine.Script.task = task;
engine.Execute("(async function () { try { result = await task.ToPromise(); } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise_NoResult()
{
engine.Script.promise = RunAsTask(() => engine.Script.result = Math.PI).ToPromise(engine);
engine.Execute("(async function () { await promise; })()");
Assert.AreEqual(Math.PI, engine.Script.result);
engine.Script.task = RunAsTask(() => engine.Script.result = Math.E);
engine.Execute("(async function () { await task.ToPromise(); })()");
Assert.AreEqual(Math.E, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise_NoResult_Faulted()
{
const string message = "No task for you!";
var task = Task.FromException(new UnauthorizedAccessException(message));
engine.Script.promise = task.ToPromise(engine);
engine.Execute("(async function () { try { result = await promise; } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
engine.Script.task = task;
engine.Execute("(async function () { try { result = await task.ToPromise(); } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToPromise_NoResult_Canceled()
{
var message = new TaskCanceledException().Message;
var task = Task.FromCanceled(new CancellationToken(true));
engine.Script.promise = task.ToPromise(engine);
engine.Execute("(async function () { try { result = await promise; } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
engine.Script.task = task;
engine.Execute("(async function () { try { result = await task.ToPromise(); } catch (exception) { result = exception.hostException.InnerException.InnerException.Message; } })()");
Assert.AreEqual(message, engine.Script.result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToTask()
{
engine.AddHostType(typeof(Task));
Assert.AreEqual(Math.PI, EvaluateAsync("(async function () { await Task.Delay(100).ToPromise(); return Math.PI; })()").Result);
}
[TestMethod, TestCategory("Extensions")]
public void Extensions_JavaScript_ToTask_Fail()
{
engine.AddHostType(typeof(Task));
TestUtil.AssertException<ScriptEngineException>(() => EvaluateAsync("(async function () { await Task.Delay(100).ToPromise(); throw new Error('Unauthorized'); })()").Wait());
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Generator()
{
engine.Execute("foo = (function* () { yield 'This'; yield 'is'; yield 'not'; yield 'a'; yield 'drill!'; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_GenericObject()
{
engine.Execute("foo = { 'This': 1, 'is': 2, 'not': 3, 'a': 4, 'drill!': 5 }");
TestUtil.AssertException<ArgumentException>(() => string.Join(" ", engine.Global["foo"].ToEnumerable()));
engine.Execute("foo[Symbol.iterator] = function* () { for (const item of Object.keys(foo)) yield item; }");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Array()
{
engine.Execute("foo = [ 'This', 'is', 'not', 'a', 'drill!' ]");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Managed_Object()
{
engine.Global["bar"] = new PropertyBag { { "This", 1 }, { "is", 2 }, { "not", 3 }, { "a", 4 }, { "drill!", 5 } };
TestUtil.AssertException<ArgumentException>(() => string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Execute("foo = (function* () { for (const item of Object.keys(bar)) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Managed_Array()
{
engine.Global["bar"] = new[] { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Global["bar"] = new object[] { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Managed_List()
{
engine.Global["bar"] = new List<string> { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Global["bar"] = new List<object> { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToEnumerable_Managed_ArrayList()
{
engine.Global["bar"] = new ArrayList { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["bar"].ToEnumerable()));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", engine.Global["foo"].ToEnumerable()));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Generator()
{
engine.Execute("foo = (function* () { yield 'This'; yield 'is'; yield 'not'; yield 'a'; yield 'drill!'; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_AsyncGenerator()
{
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo = (async function* () { await delay(1), yield 'This'; await delay(1), yield 'is'; await delay(1), yield 'not'; await delay(1), yield 'a'; await delay(1), yield 'drill!'; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_GenericObject()
{
engine.Execute("foo = { 'This': 1, 'is': 2, 'not': 3, 'a': 4, 'drill!': 5 }");
TestUtil.AssertException<ArgumentException>(() => string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Execute("foo[Symbol.iterator] = function* () { for (const item of Object.keys(foo)) yield item; }");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo[Symbol.asyncIterator] = async function* () { for (const item of Object.keys(foo)) { await delay(1); yield item; } }");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Array()
{
engine.Execute("foo = [ 'This', 'is', 'not', 'a', 'drill!' ]");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Managed_Object()
{
engine.Global["bar"] = new PropertyBag { { "This", 1 }, { "is", 2 }, { "not", 3 }, { "a", 4 }, { "drill!", 5 } };
TestUtil.AssertException<ArgumentException>(() => string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Execute("foo = (function* () { for (const item of Object.keys(bar)) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo = (async function* () { for (const item of Object.keys(bar)) { await delay(1); yield item; } })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Managed_Array()
{
engine.Global["bar"] = new[] { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Global["bar"] = new object[] { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo = (async function* () { for (const item of bar) { await delay(1); yield item; } })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Managed_List()
{
engine.Global["bar"] = new List<string> { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Global["bar"] = new List<object> { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo = (async function* () { for (const item of bar) { await delay(1); yield item; } })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
[TestMethod, TestCategory("Extensions")]
public void Extension_JavaScript_ToAsyncEnumerable_Managed_ArrayList()
{
engine.Global["bar"] = new ArrayList { "This", "is", "not", "a", "drill!" };
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["bar"].ToAsyncEnumerable())));
engine.Execute("foo = (function* () { for (const item of bar) yield item; })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
engine.Global["delay"] = new Func<int, object>(ms => Task.Delay(ms).ToPromise());
engine.Execute("foo = (async function* () { for (const item of bar) { await delay(1); yield item; } })()");
Assert.AreEqual("This is not a drill!", string.Join(" ", IterateAsyncEnumerable(engine.Global["foo"].ToAsyncEnumerable())));
}
// ReSharper restore InconsistentNaming
#endregion
#region miscellaneous
private static Task RunAsTask(Action action)
{
var task = Task.Run(action);
task.Wait();
return task;
}
private async Task<object> EvaluateAsync(string code)
{
return await engine.Evaluate(code).ToTask();
}
private static IEnumerable<T> IterateAsyncEnumerable<T>(IAsyncEnumerable<T> asyncEnumerable)
{
var asyncEnumerator = asyncEnumerable.GetAsyncEnumerator();
while (asyncEnumerator.MoveNextAsync().AsTask().Result)
{
yield return asyncEnumerator.Current;
}
asyncEnumerator.DisposeAsync().AsTask().Wait();
}
#endregion
}
}
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