Rebrand: polkadot → pezkuwi, substrate → bizinikiwi, kusama → dicle

packages/rpc-provider/src/coder/error.spec.ts

@@ -0,0 +1,111 @@
+// Copyright 2017-2025 @pezkuwi/rpc-provider authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/// <reference types="@pezkuwi/dev-test/globals.d.ts" />
+
+import { isError } from '@pezkuwi/util';
+
+import RpcError from './error.js';
+
+describe('RpcError', (): void => {
+  describe('constructor', (): void => {
+    it('constructs an Error that is still an Error', (): void => {
+      expect(
+        isError(
+          new RpcError()
+        )
+      ).toEqual(true);
+    });
+  });
+
+  describe('static', (): void => {
+    it('exposes the .CODES as a static', (): void => {
+      expect(
+        Object.keys(RpcError.CODES)
+      ).not.toEqual(0);
+    });
+  });
+
+  describe('constructor properties', (): void => {
+    it('sets the .message property', (): void => {
+      expect(
+        new RpcError('test message').message
+      ).toEqual('test message');
+    });
+
+    it("sets the .message to '' when not set", (): void => {
+      expect(
+        new RpcError().message
+      ).toEqual('');
+    });
+
+    it('sets the .code property', (): void => {
+      expect(
+        new RpcError('test message', 1234).code
+      ).toEqual(1234);
+    });
+
+    it('sets the .code to UKNOWN when not set', (): void => {
+      expect(
+        new RpcError('test message').code
+      ).toEqual(RpcError.CODES.UNKNOWN);
+    });
+
+    it('sets the .data property', (): void => {
+      const data = 'here';
+
+      expect(
+        new RpcError('test message', 1234, data).data
+      ).toEqual(data);
+    });
+
+    it('sets the .data property to generic value', (): void => {
+      const data = { custom: 'value' } as const;
+
+      expect(
+        new RpcError('test message', 1234, data).data
+      ).toEqual(data);
+    });
+  });
+
+  describe('stack traces', (): void => {
+    // eslint-disable-next-line @typescript-eslint/ban-types
+    let captureStackTrace: (targetObject: Record<string, any>, constructorOpt?: Function | undefined) => void;
+
+    beforeEach((): void => {
+      captureStackTrace = Error.captureStackTrace;
+
+      Error.captureStackTrace = function (error): void {
+        Object.defineProperty(error, 'stack', {
+          configurable: true,
+          get: function getStack (): string {
+            const value = 'some stack returned';
+
+            Object.defineProperty(this, 'stack', { value });
+
+            return value;
+          }
+        });
+      };
+    });
+
+    afterEach((): void => {
+      Error.captureStackTrace = captureStackTrace;
+    });
+
+    it('captures via captureStackTrace when available', (): void => {
+      expect(
+        new RpcError().stack
+      ).toEqual('some stack returned');
+    });
+
+    it('captures via stack when captureStackTrace not available', (): void => {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+      Error.captureStackTrace = null as any;
+
+      expect(
+        new RpcError().stack.length
+      ).not.toEqual(0);
+    });
+  });
+});