@cloudnc/grpc-web-testing-toolbox/playwright/mock-grpc-unary.js

Utility functions to help you stub and assert on grpc calls.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
exports.__esModule = true;
exports.mockGrpcUnary = void 0;
var test_1 = require("@playwright/test");
var base_1 = require("../base");
var read_grpc_request_1 = require("./read-grpc-request");
function mockGrpcUnary(page, rpc, response, mockAtContextLevel) {
    if (mockAtContextLevel === void 0) { mockAtContextLevel = false; }
    return __awaiter(this, void 0, void 0, function () {
        var url;
        var _this = this;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    url = "/".concat(rpc.service.serviceName, "/").concat(rpc.methodName);
                    return [4, (mockAtContextLevel ? page.context() : page).route('**' + url, function (route) { return __awaiter(_this, void 0, void 0, function () {
                            var grpcResponseWrapped, grpcResponse, grpcResponseBody;
                            return __generator(this, function (_a) {
                                switch (_a.label) {
                                    case 0:
                                        (0, test_1.expect)(route.request().method(), 'ALL gRPC requests should be a POST request').toBe('POST');
                                        grpcResponseWrapped = typeof response === 'function' ? response((0, read_grpc_request_1.readGrpcRequest)(route.request())) : response;
                                        return [4, Promise.resolve(grpcResponseWrapped)];
                                    case 1:
                                        grpcResponse = _a.sent();
                                        grpcResponseBody = (0, base_1.grpcResponseToBuffer)(grpcResponse);
                                        return [4, route.fulfill({
                                                body: grpcResponseBody,
                                                contentType: 'application/grpc-web+proto',
                                                headers: {
                                                    'Access-Control-Allow-Origin': '*'
                                                }
                                            })];
                                    case 2: return [2, _a.sent()];
                                }
                            });
                        }); })];
                case 1:
                    _a.sent();
                    return [2, {
                            waitForMock: function (requestPredicate) {
                                return __awaiter(this, void 0, void 0, function () {
                                    var request, requestMessage;
                                    return __generator(this, function (_a) {
                                        switch (_a.label) {
                                            case 0: return [4, page.waitForRequest(function (req) {
                                                    if (!req.url().endsWith(url)) {
                                                        return false;
                                                    }
                                                    if (requestPredicate) {
                                                        var unframed = (0, read_grpc_request_1.readGrpcRequest)(req);
                                                        return requestPredicate(unframed, req);
                                                    }
                                                    return true;
                                                })];
                                            case 1:
                                                request = _a.sent();
                                                return [4, page.waitForResponse(function (resp) { return resp.request() === request; })];
                                            case 2:
                                                _a.sent();
                                                requestMessage = (0, read_grpc_request_1.readGrpcRequest)(request);
                                                return [2, { requestMessage: requestMessage }];
                                        }
                                    });
                                });
                            }
                        }];
            }
        });
    });
}
exports.mockGrpcUnary = mockGrpcUnary;