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test: add E2E header pub/sub tests (HPUB/HMSG)

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This commit is contained in:
Joseph Doherty
2026-03-12 19:12:24 -04:00
parent e094846665
commit 76f8ccec2e
1 changed files with 80 additions and 0 deletions
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80
tests/NATS.E2E.Tests/HeaderTests.cs Normal file
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using NATS.Client.Core;
using NATS.E2E.Tests.Infrastructure;
namespace NATS.E2E.Tests;
[Collection("E2E")]
public class HeaderTests(NatsServerFixture fixture)
{
[Fact]
public async Task Headers_PublishWithHeaders_ReceivedIntact()
{
await using var pub = fixture.CreateClient();
await using var sub = fixture.CreateClient();
await pub.ConnectAsync();
await sub.ConnectAsync();
await using var subscription = await sub.SubscribeCoreAsync<string>("e2e.hdr.basic");
await sub.PingAsync();
var headers = new NatsHeaders { { "X-Test-Key", "test-value" } };
await pub.PublishAsync("e2e.hdr.basic", "with-headers", headers: headers);
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));
var msg = await subscription.Msgs.ReadAsync(cts.Token);
msg.Data.ShouldBe("with-headers");
msg.Headers.ShouldNotBeNull();
msg.Headers!["X-Test-Key"].ToString().ShouldBe("test-value");
}
[Fact]
public async Task Headers_MultipleHeaders_AllPreserved()
{
await using var pub = fixture.CreateClient();
await using var sub = fixture.CreateClient();
await pub.ConnectAsync();
await sub.ConnectAsync();
await using var subscription = await sub.SubscribeCoreAsync<string>("e2e.hdr.multi");
await sub.PingAsync();
var headers = new NatsHeaders
{
{ "X-First", "one" },
{ "X-Second", "two" },
{ "X-Third", "three" },
};
await pub.PublishAsync("e2e.hdr.multi", "multi-hdr", headers: headers);
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));
var msg = await subscription.Msgs.ReadAsync(cts.Token);
msg.Headers.ShouldNotBeNull();
msg.Headers!["X-First"].ToString().ShouldBe("one");
msg.Headers!["X-Second"].ToString().ShouldBe("two");
msg.Headers!["X-Third"].ToString().ShouldBe("three");
}
[Fact]
public async Task Headers_EmptyValue_RoundTrips()
{
await using var pub = fixture.CreateClient();
await using var sub = fixture.CreateClient();
await pub.ConnectAsync();
await sub.ConnectAsync();
await using var subscription = await sub.SubscribeCoreAsync<string>("e2e.hdr.empty");
await sub.PingAsync();
var headers = new NatsHeaders { { "X-Empty", "" } };
await pub.PublishAsync("e2e.hdr.empty", "empty-val", headers: headers);
using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));
var msg = await subscription.Msgs.ReadAsync(cts.Token);
msg.Headers.ShouldNotBeNull();
msg.Headers!.ContainsKey("X-Empty").ShouldBeTrue();
msg.Headers!["X-Empty"].ToString().ShouldBe("");
}
}