65 lines
1.3 KiB
JavaScript
65 lines
1.3 KiB
JavaScript
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// @flow
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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 = boolean | string | number;
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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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const mock: JestMockFn<any, any> = jest.fn(
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(fetchUrl, fetchOptions) => {
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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(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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params: ['invalid', 'params'],
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},
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mockRequest
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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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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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);
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export default mock;
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