87 lines
1.8 KiB
JavaScript
87 lines
1.8 KiB
JavaScript
// @flow
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import fetch from 'node-fetch';
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type RpcRequest = {
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method: string,
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params?: Array<any>,
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};
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type RpcResponseError = {
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message: string,
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};
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type RpcResponseResult = any;
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type RpcResponse = {
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error: ?RpcResponseError,
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result: ?RpcResponseResult,
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};
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export const mockRpc: Array<[string, RpcRequest, RpcResponse]> = [];
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// Define TEST_LIVE in the environment to test against the real full node
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// identified by `url` instead of using the mock
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export const mockRpcEnabled = !process.env.TEST_LIVE;
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let mockNotice = true;
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// Suppress lint: 'JestMockFn' is not defined
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// eslint-disable-next-line no-undef
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const mock: JestMockFn<any, any> = jest.fn((fetchUrl, fetchOptions) => {
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if (!mockRpcEnabled) {
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if (mockNotice) {
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console.log(
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`Note: node-fetch mock is disabled, testing live against ${fetchUrl}`,
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);
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mockNotice = false;
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}
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return fetch(fetchUrl, fetchOptions);
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}
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expect(mockRpc.length).toBeGreaterThanOrEqual(1);
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const [mockUrl, mockRequest, mockResponse] = mockRpc.shift();
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expect(fetchUrl).toBe(mockUrl);
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expect(fetchOptions).toMatchObject({
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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});
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expect(fetchOptions.body).toBeDefined();
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const body = JSON.parse(fetchOptions.body);
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expect(body).toMatchObject(
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Object.assign(
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{},
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{
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jsonrpc: '2.0',
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method: 'invalid',
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},
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mockRequest,
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),
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);
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const response = Object.assign(
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{},
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{
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jsonrpc: '2.0',
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id: body.id,
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error: {
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message: 'invalid error message',
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},
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result: 'invalid response',
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},
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mockResponse,
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);
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return {
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ok: true,
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status: 200,
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statusText: 'OK',
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text: () => {
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return Promise.resolve(JSON.stringify(response));
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},
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};
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});
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export default mock;
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