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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.ClearScript.JavaScript;
using Microsoft.ClearScript.Windows;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Microsoft.ClearScript.Test
{
[TestClass]
[SuppressMessage("Microsoft.Design", "CA1001:TypesThatOwnDisposableFieldsShouldBeDisposable", Justification = "Test classes use TestCleanupAttribute for deterministic teardown.")]
[SuppressMessage("ReSharper", "StringLiteralTypo", Justification = "Typos in test code are acceptable.")]
public class JScriptModuleTest : ClearScriptTest
{
#region setup / teardown
private JScriptEngine engine;
[TestInitialize]
public void TestInitialize()
{
BaseTestInitialize();
engine = new JScriptEngine(WindowsScriptEngineFlags.EnableDebugging);
}
[TestCleanup]
public void TestCleanup()
{
engine.Dispose();
BaseTestCleanup();
}
#endregion
#region test methods
// ReSharper disable InconsistentNaming
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(123 + 456, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('JavaScript/LegacyCommonJS/Arithmetic/Arithmetic');
return Arithmetic.Add(123, 456);
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_ForeignExtension()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(123 + 456, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('JavaScript/LegacyCommonJS/Arithmetic/Arithmetic.bogus');
return Arithmetic.BogusAdd(123, 456);
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_Nested()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(25 * 25, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_Disabled()
{
TestUtil.AssertException<UnauthorizedAccessException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_PathlessImport()
{
engine.DocumentSettings.SearchPath = string.Join(";",
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Arithmetic"),
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Geometry")
);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(123 + 456, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('Arithmetic');
return Arithmetic.Add(123, 456);
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_PathlessImport_Nested()
{
engine.DocumentSettings.SearchPath = string.Join(";",
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Arithmetic"),
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Geometry")
);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(25 * 25, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('GeometryWithPathlessImport');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_File_PathlessImport_Disabled()
{
engine.DocumentSettings.SearchPath = string.Join(";",
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Arithmetic"),
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Geometry")
);
TestUtil.AssertException<UnauthorizedAccessException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableWebLoading;
Assert.AreEqual(123 + 456, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Arithmetic/Arithmetic');
return Arithmetic.Add(123, 456);
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web_Nested()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableWebLoading;
Assert.AreEqual(25 * 25, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Geometry/Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web_Disabled()
{
TestUtil.AssertException<UnauthorizedAccessException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Geometry/Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web_PathlessImport()
{
engine.DocumentSettings.SearchPath = string.Join(";",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Arithmetic",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Geometry"
);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableWebLoading;
Assert.AreEqual(123 + 456, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('Arithmetic');
return Arithmetic.Add(123, 456);
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web_PathlessImport_Nested()
{
engine.DocumentSettings.SearchPath = string.Join(";",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Arithmetic",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Geometry"
);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableWebLoading;
Assert.AreEqual(25 * 25, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('GeometryWithPathlessImport');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Web_PathlessImport_Disabled()
{
engine.DocumentSettings.SearchPath = string.Join(";",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Arithmetic",
"https://raw.githubusercontent.com/ClearFoundry/ClearScript/master/ClearScriptTest/JavaScript/LegacyCommonJS/Geometry"
);
TestUtil.AssertException<UnauthorizedAccessException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_SideEffects()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableAllLoading;
engine.Execute("foo = {}");
Assert.AreEqual(625, engine.EvaluateDocument("JavaScript/LegacyCommonJS/ModuleWithSideEffects.js", ModuleCategory.CommonJS));
Assert.AreEqual(625, engine.Evaluate("foo.bar"));
// re-evaluating a module is a no-op
Assert.IsInstanceOfType(engine.EvaluateDocument("JavaScript/LegacyCommonJS/ModuleWithSideEffects.js", ModuleCategory.CommonJS), typeof(Undefined));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Module()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
dynamic first = engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
return require('JavaScript/LegacyCommonJS/Geometry/Geometry');
");
Assert.IsInstanceOfType(first.Module.id, typeof(string));
Assert.AreEqual(first.Module.id, first.Module.uri);
dynamic second = engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
return require('" + (string)first.Module.id + @"');
");
Assert.AreEqual(first.Module.id, second.Module.id);
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Context()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
engine.DocumentSettings.Loader = new CustomLoader();
Assert.AreEqual(123, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return Geometry.Meta.foo;
"));
Assert.AreEqual(456.789, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return Geometry.Meta.bar;
"));
Assert.AreEqual("bogus", engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return Geometry.Meta.baz;
"));
Assert.IsInstanceOfType(engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return new Geometry.Meta.qux();
"), typeof(Random));
Assert.IsInstanceOfType(engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJS/Geometry/Geometry');
return Geometry.Meta.quux;
"), typeof(Undefined));
Assert.AreEqual(Math.PI, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('JavaScript/LegacyCommonJS/Arithmetic/Arithmetic');
return Arithmetic.Meta.foo;
"));
Assert.IsInstanceOfType(engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Arithmetic = require('JavaScript/LegacyCommonJS/Arithmetic/Arithmetic');
return Arithmetic.Meta.bar;
"), typeof(Undefined));
engine.DocumentSettings.SearchPath = string.Join(";",
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Arithmetic"),
Path.Combine(Directory.GetCurrentDirectory(), "JavaScript", "LegacyCommonJS", "Geometry")
);
TestUtil.AssertException<UnauthorizedAccessException>(() => engine.Execute(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('GeometryWithPathlessImport');
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_OverrideExports()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(Math.PI, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
return require('JavaScript/CommonJS/NewMath').PI;
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_SystemDocument()
{
engine.DocumentSettings.AddSystemDocument("test", ModuleCategory.CommonJS, @"
exports.Add = function (a, b) {
return a + b;
}
");
dynamic add = engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
return require('test').Add
");
Assert.AreEqual(579, add(123, 456));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_CircularReference()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading;
Assert.AreEqual(25 * 25, engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, @"
var Geometry = require('JavaScript/LegacyCommonJSWithCycles/Geometry/Geometry');
return new Geometry.Square(25).getArea();
"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Json_Object()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
var result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Object.json')");
Assert.AreEqual(2, result.PropertyNames.Count());
Assert.AreEqual(123, result.GetProperty("foo"));
Assert.AreEqual("baz", result.GetProperty("bar"));
engine.DocumentSettings.AddSystemDocument("ObjectWithFunction.json", DocumentCategory.Json, "{ \"foo\": 123, \"bar\": \"baz\", \"qux\": function(){} }");
result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('ObjectWithFunction.json')");
Assert.AreEqual(3, result.PropertyNames.Count());
Assert.AreEqual(123, result.GetProperty("foo"));
Assert.AreEqual("baz", result.GetProperty("bar"));
engine.Dispose();
engine = new JScriptEngine(WindowsScriptEngineFlags.EnableDebugging | WindowsScriptEngineFlags.EnableStandardsMode);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Object.json')");
Assert.AreEqual(2, result.PropertyNames.Count());
Assert.AreEqual(123, result.GetProperty("foo"));
Assert.AreEqual("baz", result.GetProperty("bar"));
engine.DocumentSettings.AddSystemDocument("ObjectWithFunction.json", DocumentCategory.Json, "{ \"foo\": 123, \"bar\": \"baz\", \"qux\": function(){} }");
TestUtil.AssertException<ScriptEngineException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('ObjectWithFunction.json')"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Json_Array()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
var result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Array.json')");
Assert.AreEqual(4, result.PropertyIndices.Count());
Assert.AreEqual(123, result.GetProperty(0));
Assert.AreEqual("foo", result.GetProperty(1));
Assert.AreEqual(4.56, result.GetProperty(2));
Assert.AreEqual("bar", result.GetProperty(3));
engine.DocumentSettings.AddSystemDocument("ArrayWithFunction.json", DocumentCategory.Json, "[ 123, \"foo\", 4.56, \"bar\", function(){} ]");
result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('ArrayWithFunction.json')");
Assert.AreEqual(5, result.PropertyIndices.Count());
Assert.AreEqual(123, result.GetProperty(0));
Assert.AreEqual("foo", result.GetProperty(1));
Assert.AreEqual(4.56, result.GetProperty(2));
Assert.AreEqual("bar", result.GetProperty(3));
engine.Dispose();
engine = new JScriptEngine(WindowsScriptEngineFlags.EnableDebugging | WindowsScriptEngineFlags.EnableStandardsMode);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
result = (ScriptObject)engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Array.json')");
Assert.AreEqual(4, result.PropertyIndices.Count());
Assert.AreEqual(123, result.GetProperty(0));
Assert.AreEqual("foo", result.GetProperty(1));
Assert.AreEqual(4.56, result.GetProperty(2));
Assert.AreEqual("bar", result.GetProperty(3));
engine.DocumentSettings.AddSystemDocument("ArrayWithFunction.json", DocumentCategory.Json, "[ 123, \"foo\", 4.56, \"bar\", function(){} ]");
TestUtil.AssertException<ScriptEngineException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('ArrayWithFunction.json')"));
}
[TestMethod, TestCategory("JScriptModule")]
public void JScriptModule_CommonJS_Json_Malformed()
{
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
// ReSharper disable once AccessToDisposedClosure
TestUtil.AssertException<ScriptEngineException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Malformed.json')"));
engine.Dispose();
engine = new JScriptEngine(WindowsScriptEngineFlags.EnableDebugging | WindowsScriptEngineFlags.EnableStandardsMode);
engine.DocumentSettings.AccessFlags = DocumentAccessFlags.EnableFileLoading | DocumentAccessFlags.AllowCategoryMismatch;
engine.DocumentSettings.LoadCallback = (ref DocumentInfo info) =>
{
if (Path.GetExtension(info.Uri.AbsolutePath).Equals(".json", StringComparison.OrdinalIgnoreCase))
{
info.Category = DocumentCategory.Json;
}
};
TestUtil.AssertException<ScriptEngineException>(() => engine.Evaluate(new DocumentInfo { Category = ModuleCategory.CommonJS }, "return require('JavaScript/Malformed.json')"));
}
// ReSharper restore InconsistentNaming
#endregion
#region miscellaneous
private sealed class CustomLoader : DocumentLoader
{
public override Task<Document> LoadDocumentAsync(DocumentSettings settings, DocumentInfo? sourceInfo, string specifier, DocumentCategory category, DocumentContextCallback contextCallback)
{
return Default.LoadDocumentAsync(settings, sourceInfo, specifier, category, contextCallback ?? CreateDocumentContext);
}
private static IDictionary<string, object> CreateDocumentContext(DocumentInfo info)
{
if (info.Uri is not null)
{
var name = Path.GetFileName(info.Uri.AbsolutePath);
if (name.Equals("Geometry.js", StringComparison.OrdinalIgnoreCase))
{
return new Dictionary<string, object>
{
{ "foo", 123 },
{ "bar", 456.789 },
{ "baz", "bogus" },
{ "qux", typeof(Random).ToHostType() }
};
}
if (name.Equals("Arithmetic.js", StringComparison.OrdinalIgnoreCase))
{
return new Dictionary<string, object>
{
{ "foo", Math.PI }
};
}
throw new UnauthorizedAccessException("Module context access is prohibited in this module");
}
return null;
}
}
#endregion
}
}