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Code Issues 32 Packages Projects Releases 10 Wiki Activity

Fix HandlebarsContext.ParseAndEvaluate (#1329)

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This commit is contained in:
Stef Heyenrath
2025-07-12 11:05:02 +02:00
committed by GitHub
parent b0076b4e81
commit a06ee6b158
2 changed files with 11 additions and 9 deletions
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8
src/WireMock.Net.Minimal/Transformers/Handlebars/HandlebarsContext.cs
View File

@@ -1,5 +1,6 @@
// Copyright © WireMock.Net
using System.Text.RegularExpressions;
using HandlebarsDotNet;
using HandlebarsDotNet.Helpers.Extensions;
using Stef.Validation;
@@ -9,6 +10,8 @@ namespace WireMock.Transformers.Handlebars;
internal class HandlebarsContext : IHandlebarsContext
{
private static readonly Regex _tryEvaluateRegex = new(@"\{\{.*?\}\}", RegexOptions.Compiled);
public IHandlebars Handlebars { get; }
public IFileSystemHandler FileSystemHandler { get; }
@@ -27,9 +30,8 @@ internal class HandlebarsContext : IHandlebarsContext
public object? ParseAndEvaluate(string text, object model)
{
if (text.StartsWith("{{") && text.EndsWith("}}") &&
Handlebars.TryEvaluate(text, model, out var result) &&
result is not UndefinedBindingResult)
// Only try to evaluate if the text matches the pattern `{{ xxx }}` exactly once.
if (_tryEvaluateRegex.Matches(text).Count == 1 && Handlebars.TryEvaluate(text, model, out var result) && result is not UndefinedBindingResult)
{
return result;
}

12
test/WireMock.Net.Tests/ResponseBuilders/ResponseWithTransformerTests.cs
View File

@@ -120,21 +120,21 @@ public class ResponseWithTransformerTests
var request = new RequestMessage(urlDetails, "POST", ClientIp);
var responseBuilder = Response.Create()
.WithBody("{{request.PathSegments.[0]}} {{request.AbsolutePathSegments.[0]}}")
.WithBody("{{request.PathSegments.[0]}} {{request.PathSegments.[1]}} {{request.AbsolutePathSegments.[0]}}")
.WithTransformer();
// Act
var response = await responseBuilder.ProvideResponseAsync(_mappingMock.Object, request, _settings).ConfigureAwait(false);
// Assert
Check.That(response.Message.BodyData!.BodyAsString).Equals("a wiremock");
Check.That(response.Message.BodyData!.BodyAsString).Equals("a b wiremock");
}
[Theory]
[InlineData("{{request.PathSegments.[0]}}", "a")]
[InlineData("prefix_{{request.PathSegments.[0]}}", "prefix_a")]
[InlineData("{{request.PathSegments.[0]}}_postfix", "a_postfix")]
[InlineData("prefix_{{request.PathSegments.[0]}}_postfix", "prefix_a_postfix")]
[InlineData("{{request.PathSegments.[0]}} {{request.PathSegments.[1]}}", "a b")]
[InlineData("prefix_{{request.PathSegments.[0]}} {{request.PathSegments.[1]}}", "prefix_a b")]
[InlineData("{{request.PathSegments.[0]}} {{request.PathSegments.[1]}}_postfix", "a b_postfix")]
[InlineData("prefix_{{request.PathSegments.[0]}} {{request.PathSegments.[1]}}_postfix", "prefix_a b_postfix")]
public async Task Response_ProvideResponse_Handlebars_BodyAsJson_PathSegments(string field, string expected)
{
// Assign