From 3ab229f6f8e913ba26ee28de39044ce911e86300 Mon Sep 17 00:00:00 2001
From: Andrey Epifancev <andrey.epifancev@ssi-solutions.ru>
Date: Wed, 28 Oct 2026 18:09:52 +0400
Subject: [PATCH] =?UTF-8?q?test(dict-vsp):=20=D1=84=D0=B8=D0=BB=D1=8C?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 .../pages/DictVspPage/utils/filterVspBySsp.js |  6 +++++
 .../DictVspPage/utils/filterVspBySsp.test.js  | 25 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 web/src/pages/DictVspPage/utils/filterVspBySsp.js
 create mode 100644 web/src/pages/DictVspPage/utils/filterVspBySsp.test.js

diff --git a/web/src/pages/DictVspPage/utils/filterVspBySsp.js b/web/src/pages/DictVspPage/utils/filterVspBySsp.js
new file mode 100644
index 0000000..8a8eb12
--- /dev/null
+++ b/web/src/pages/DictVspPage/utils/filterVspBySsp.js
@@ -0,0 +1,6 @@
+export const filterVspBySsp = (data, selectedSsp) => {
+	if (!selectedSsp) {
+		return data;
+	}
+	return data.filter((item) => item.ssp_id === selectedSsp.id);
+};
diff --git a/web/src/pages/DictVspPage/utils/filterVspBySsp.test.js b/web/src/pages/DictVspPage/utils/filterVspBySsp.test.js
new file mode 100644
index 0000000..59417f5
--- /dev/null
+++ b/web/src/pages/DictVspPage/utils/filterVspBySsp.test.js
@@ -0,0 +1,25 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { filterVspBySsp } from './filterVspBySsp.js';
+
+const data = [
+	{ id: 1, ssp_id: 10 },
+	{ id: 2, ssp_id: 20 },
+	{ id: 3, ssp_id: 10 },
+];
+
+test('без выбранного ССП возвращает те же данные (ссылка не меняется)', () => {
+	assert.equal(filterVspBySsp(data, null), data);
+	assert.equal(filterVspBySsp(data, undefined), data);
+});
+
+test('с выбранным ССП оставляет только его ВСП, порядок сохраняется', () => {
+	assert.deepEqual(
+		filterVspBySsp(data, { id: 10 }).map((v) => v.id),
+		[1, 3],
+	);
+});
+
+test('ССП без ВСП даёт пустой список', () => {
+	assert.deepEqual(filterVspBySsp(data, { id: 99 }), []);
+});