Add test

bbrks · bbrks · commit 3a4b9c50453e · 2025-05-22T10:44:47.000+01:00
diff --git a/channels/channelmapper_test.go b/channels/channelmapper_test.go
@@ -663,3 +663,12 @@ func TestGetDefaultSyncFunction(t *testing.T) {
 		})
 	}
 }
+
+// TestSyncFunctionRecursion ensures that an infinite recursion in the sync function does not cause a stack overflow.
+func TestSyncFunctionRecursion(t *testing.T) {
+	ctx := base.TestCtx(t)
+	mapper := NewChannelMapper(ctx, `function access(doc) { access("foo", "bar"); }`, 0)
+	res, err := mapper.MapToChannelsAndAccess(ctx, parse(t, `{"blank": "doc"}`), `{}`, emptyMetaMap(), noUser)
+	require.ErrorContains(t, err, "Maximum call stack size exceeded")
+	require.Nil(t, res)
+}

Original file line number	Diff line number	Diff line change
`@@ -663,3 +663,12 @@ func TestGetDefaultSyncFunction(t *testing.T) {`
`663`	`663`	`})`
`664`	`664`	`}`
`665`	`665`	`}`
	`666`	`+`
	`667`	`+// TestSyncFunctionRecursion ensures that an infinite recursion in the sync function does not cause a stack overflow.`
	`668`	`+func TestSyncFunctionRecursion(t *testing.T) {`
	`669`	`+ ctx := base.TestCtx(t)`
	`670`	+ mapper := NewChannelMapper(ctx, `function access(doc) { access("foo", "bar"); }`, 0)
	`671`	+ res, err := mapper.MapToChannelsAndAccess(ctx, parse(t, `{"blank": "doc"}`), `{}`, emptyMetaMap(), noUser)
	`672`	`+ require.ErrorContains(t, err, "Maximum call stack size exceeded")`
	`673`	`+ require.Nil(t, res)`
	`674`	`+}`