all files / modules/middleware/__tests__/ proxy-test.js

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const expect = require("expect");
const callApp = require("../../utils/callApp");
const proxy = require("../proxy");
 
function ok() {
    return "ok";
}
 
function target() {
    return "target";
}
 
function returnTrue() {
    return true;
}
 
function returnFalse() {
    return false;
}
 
describe("middleware/proxy", function () {
    describe("when no test function is given", function () {
        it("forwards the request", function () {
            return callApp(proxy(ok, target)).then(function (conn) {
                expect(conn.responseText).toEqual("target");
            });
        });
    });
 
    describe("a request that passes the test function", function () {
        it("is forwarded", function () {
            return callApp(proxy(ok, target, returnTrue)).then(function (conn) {
                expect(conn.responseText).toEqual("target");
            });
        });
    });
 
    describe("a request whose URL matches the test RegExp", function () {
        beforeEach(function () {
            return callApp(proxy(ok, target, /\/test-match$/), "/test-match");
        });
 
        it("is forwarded", function () {
            return callApp(proxy(ok, target, /\/test-match$/), "/test-match").then(function (conn) {
                expect(conn.responseText).toEqual("target");
            });
        });
    });
 
    describe("a request that does not pass the test function", function () {
        it("is not forwarded", function () {
            return callApp(proxy(ok, target, returnFalse), "/test-match").then(function (conn) {
                expect(conn.responseText).toEqual("ok");
            });
        });
    });
});