From d2a2887d3232040da0504699afcfc2c791734416 Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Thu, 15 Oct 2020 09:22:04 +0200
Subject: [PATCH] Add explicit normalizer test (#2730)

* Add explicit normalizer test

* More expansive

* nested
---
 packages/rpc-core/src/normalizer.spec.ts | 30 ++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 packages/rpc-core/src/normalizer.spec.ts

diff --git a/packages/rpc-core/src/normalizer.spec.ts b/packages/rpc-core/src/normalizer.spec.ts
new file mode 100644
index 0000000000..391ca08e2c
--- /dev/null
+++ b/packages/rpc-core/src/normalizer.spec.ts
@@ -0,0 +1,30 @@
+// Copyright 2017-2020 @polkadot/rpc-core authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import normalizer from './normalizer';
+
+describe('normalizer', (): void => {
+  it('works when BigInt is in the data (object)', (): void => {
+    expect(
+      normalizer('instance')({ a: 'bar', b: 1234567890987654321n, c: 123 })
+    ).toEqual('instance{"a":"bar","b":"1234567890987654321","c":123}');
+  });
+
+  it('works when BigInt is in the data (array)', (): void => {
+    expect(
+      normalizer('instance')(['bar', 1234567890987654321n, 123])
+    ).toEqual('instance["bar","1234567890987654321",123]');
+  });
+
+  it('works when BigInt is in the data (single)', (): void => {
+    expect(
+      normalizer('instance')(1234567890987654321n)
+    ).toEqual('instance"1234567890987654321"');
+  });
+
+  it('works when BigInt is in the data (nested)', (): void => {
+    expect(
+      normalizer('instance')({ a: 'bar', b: { foo: 1234567890987654321n }, c: 123 })
+    ).toEqual('instance{"a":"bar","b":{"foo":"1234567890987654321"},"c":123}');
+  });
+});