Merge pull request 'fix(graph): stabilize debouncer tests with synctest fake clock' (#741) from fix-flaky-debouncer-test into main

Reviewed-on: #741

.version

@@ -1,3 +1,3 @@
 {
-  "version": "v0.9.4"
+  "version": "v0.9.5"
 }

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.9.5] - 2026-02-25
+
+### 🐛 Bug Fixes
+
+- *(deps)* Update module github.com/wundergraph/graphql-go-tools/v2 to v2.0.0-rc.256
+
+### ⚙️ Miscellaneous Tasks
+
+- *(deps)* Update golang:1.26.0 docker digest to 9835fb4 (#736)
+- *(deps)* Update node.js to v24.14.0 (#735)
+- *(deps)* Update node.js to 7fddd9d (#739)
+
 ## [0.9.4] - 2026-02-23
 
 ### 🐛 Bug Fixes

Dockerfile

@@ -1,4 +1,4 @@
-FROM amd64/golang:1.26.0@sha256:e7479dbd4918090d893b97245fd8c0bcf767677f8ede2e60e7fb2c2f38c94215 as modules
+FROM amd64/golang:1.26.0@sha256:9835fb4f8aa06038ca460e300ee3cb8079d0802a1979724cdb455f5784448704 as modules
 WORKDIR /build
 ADD go.* /build
 RUN go mod download
@@ -24,7 +24,7 @@ RUN GOOS=linux GOARCH=amd64 go build \
 FROM scratch as export
 COPY --from=build /build/coverage.txt /
 
-FROM node:24.13.1-alpine@sha256:4f696fbf39f383c1e486030ba6b289a5d9af541642fc78ab197e584a113b9c03
+FROM node:24.14.0-alpine@sha256:7fddd9ddeae8196abf4a3ef2de34e11f7b1a722119f91f28ddf1e99dcafdf114
 ENV TZ Europe/Stockholm
 
 # Install wgc CLI globally for Cosmo Router composition

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/sparetimecoders/goamqp v0.3.3
 	github.com/stretchr/testify v1.11.1
 	github.com/vektah/gqlparser/v2 v2.5.32
-	github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.255
+	github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.256
 	gitlab.com/unboundsoftware/eventsourced/amqp v1.9.1
 	gitlab.com/unboundsoftware/eventsourced/eventsourced v1.19.4
 	gitlab.com/unboundsoftware/eventsourced/pg v1.18.4

go.sum

@@ -198,8 +198,8 @@ github.com/wundergraph/astjson v1.1.0 h1:xORDosrZ87zQFJwNGe/HIHXqzpdHOFmqWgykCLV
 github.com/wundergraph/astjson v1.1.0/go.mod h1:h12D/dxxnedtLzsKyBLK7/Oe4TAoGpRVC9nDpDrZSWw=
 github.com/wundergraph/go-arena v1.1.0 h1:9+wSRkJAkA2vbYHp6s8tEGhPViRGQNGXqPHT0QzhdIc=
 github.com/wundergraph/go-arena v1.1.0/go.mod h1:ROOysEHWJjLQ8FSfNxZCziagb7Qw2nXY3/vgKRh7eWw=
-github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.255 h1:lN+D5OWay3U1mwtRlA+j7kJqP5ksKdRFMvYA+8XLJ1E=
-github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.255/go.mod h1:gfmmrPd2khZONmwYE8RIfnGjwIG+RqL52jYiBzcUST8=
+github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.256 h1:IlLfd3qL4THUkxSXsVRwcDNCAPNXqDrflMI0Hbvlb/Q=
+github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.256/go.mod h1:gfmmrPd2khZONmwYE8RIfnGjwIG+RqL52jYiBzcUST8=
 gitlab.com/unboundsoftware/eventsourced/amqp v1.9.1 h1:X6269JoAzHIKCVmtgMHZH3m7xOpACSp37ca3eODe9iU=
 gitlab.com/unboundsoftware/eventsourced/amqp v1.9.1/go.mod h1:EAs0d6Eh0aDiQkUJlSWErHqgHFQdxx0e8I7aG/2FarY=
 gitlab.com/unboundsoftware/eventsourced/eventsourced v1.19.4 h1:+yZkhi9/sTyBEN5vJTfvycyXgGrm07QKGSh3jiWiQdM=

graph/debounce_test.go

@@ -3,6 +3,7 @@ package graph
 import (
 	"sync/atomic"
 	"testing"
+	"testing/synctest"
 	"time"
 
 	"github.com/stretchr/testify/assert"
@@ -10,48 +11,59 @@ import (
 )
 
 func TestDebouncer_Coalesces(t *testing.T) {
-	d := NewDebouncer(50 * time.Millisecond)
-	var calls atomic.Int32
+	synctest.Test(t, func(t *testing.T) {
+		d := NewDebouncer(50 * time.Millisecond)
+		var calls atomic.Int32
 
-	// Fire 10 rapid calls for the same key — only the last should execute.
-	for range 10 {
-		d.Debounce("key1", func() {
-			calls.Add(1)
-		})
-	}
+		// Fire 10 rapid calls for the same key — only the last should execute.
+		for range 10 {
+			d.Debounce("key1", func() {
+				calls.Add(1)
+			})
+		}
 
-	// Wait for the debounce delay plus some margin.
-	time.Sleep(150 * time.Millisecond)
+		// Advance fake clock past the debounce delay and let goroutines settle.
+		time.Sleep(50 * time.Millisecond)
+		synctest.Wait()
 
-	assert.Equal(t, int32(1), calls.Load(), "rapid calls should coalesce into a single execution")
+		assert.Equal(t, int32(1), calls.Load(), "rapid calls should coalesce into a single execution")
+	})
 }
 
 func TestDebouncer_DifferentKeys(t *testing.T) {
-	d := NewDebouncer(50 * time.Millisecond)
-	var calls atomic.Int32
+	synctest.Test(t, func(t *testing.T) {
+		d := NewDebouncer(50 * time.Millisecond)
+		var calls atomic.Int32
 
-	d.Debounce("key-a", func() { calls.Add(1) })
-	d.Debounce("key-b", func() { calls.Add(1) })
-	d.Debounce("key-c", func() { calls.Add(1) })
+		d.Debounce("key-a", func() { calls.Add(1) })
+		d.Debounce("key-b", func() { calls.Add(1) })
+		d.Debounce("key-c", func() { calls.Add(1) })
 
-	time.Sleep(150 * time.Millisecond)
+		time.Sleep(50 * time.Millisecond)
+		synctest.Wait()
 
-	assert.Equal(t, int32(3), calls.Load(), "different keys should fire independently")
+		assert.Equal(t, int32(3), calls.Load(), "different keys should fire independently")
+	})
 }
 
 func TestDebouncer_TimerReset(t *testing.T) {
-	d := NewDebouncer(100 * time.Millisecond)
-	var value atomic.Int32
+	synctest.Test(t, func(t *testing.T) {
+		d := NewDebouncer(100 * time.Millisecond)
+		var value atomic.Int32
 
-	// First call sets value to 1.
-	d.Debounce("key", func() { value.Store(1) })
+		// First call sets value to 1.
+		d.Debounce("key", func() { value.Store(1) })
 
-	// Wait 60ms (less than the 100ms delay), then replace with value 2.
-	time.Sleep(60 * time.Millisecond)
-	d.Debounce("key", func() { value.Store(2) })
+		// Advance 60ms (less than the 100ms delay) — first timer hasn't fired.
+		time.Sleep(60 * time.Millisecond)
 
-	// At 60ms the first timer hasn't fired yet. Wait for the second timer.
-	time.Sleep(150 * time.Millisecond)
+		// Replace with value 2 — resets the timer to fire at 60+100 = 160ms.
+		d.Debounce("key", func() { value.Store(2) })
 
-	require.Equal(t, int32(2), value.Load(), "later call should replace the earlier one")
+		// Advance another 100ms (total 160ms) to fire the reset timer.
+		time.Sleep(100 * time.Millisecond)
+		synctest.Wait()
+
+		require.Equal(t, int32(2), value.Load(), "later call should replace the earlier one")
+	})
 }