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53 lines
2.0 KiB
53 lines
2.0 KiB
// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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using Jint;
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using Jint.Native.Object;
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using Squidex.Domain.Apps.Core.Scripting.Internal;
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using Squidex.Infrastructure.Json.Objects;
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namespace Squidex.Domain.Apps.Core.Operations.Scripting;
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public class JsonMapperTests
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{
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[Fact]
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public void Should_map_json_objects_into_a_shared_shape()
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{
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var engine = new Engine(o => o.Strict());
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var mapped = (ObjectInstance)JsonMapper.Map(CreateJson(), engine);
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var nested = (ObjectInstance)mapped.Get("nested");
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// A shared shape is what keeps a script reading a batch of content items monomorphic. It is a
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// performance property and never a correctness one, but it is silent when it regresses: building
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// these objects as a host ObjectInstance subclass again would put them back in the per-object
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// dictionary with no test noticing.
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Assert.True(engine.Advanced.HasSharedShape(mapped));
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Assert.True(engine.Advanced.HasSharedShape(nested));
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}
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[Fact]
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public void Should_share_the_shape_between_objects_of_the_same_shape()
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{
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var engine = new Engine(o => o.Strict());
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var first = (ObjectInstance)JsonMapper.Map(CreateJson(), engine);
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var second = (ObjectInstance)JsonMapper.Map(CreateJson(), engine);
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Assert.True(engine.Advanced.HasSharedShape(first));
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Assert.True(engine.Advanced.HasSharedShape(second));
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}
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private static JsonValue CreateJson()
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{
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return JsonValue.Create(
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new JsonObject()
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.Add("name", JsonValue.Create("squidex"))
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.Add("count", JsonValue.Create(3))
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.Add("nested", JsonValue.Create(new JsonObject().Add("flag", JsonValue.True))));
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}
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}
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