321 lines
7.9 KiB
JavaScript
321 lines
7.9 KiB
JavaScript
describe("Zotero.HTTP", function () {
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var server;
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var httpd;
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var port = 16213;
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var baseURL = `http://127.0.0.1:${port}/`
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var testURL = baseURL + 'test.html';
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var redirectLocation = baseURL + 'test2.html';
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function setResponse(response) {
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setHTTPResponse(server, baseURL, response, {});
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}
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before(function* () {
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// Real HTTP server
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Components.utils.import("resource://zotero-unit/httpd.js");
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httpd = new HttpServer();
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httpd.start(port);
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httpd.registerPathHandler(
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'/test.html',
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{
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handle: function (request, response) {
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response.setStatusLine(null, 200, "OK");
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response.write("<html><body><p>Test</p><p>Test 2</p></body></html>");
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}
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}
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);
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httpd.registerPathHandler(
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'/redirect',
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{
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handle: function (request, response) {
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response.setHeader('Location', redirectLocation);
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response.setStatusLine(null, 301, "Moved Permanently");
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response.write(`<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">\n<html><head>\n<title>301 Moved Permanently</title>\n</head><body>\n<h1>Moved Permanently</h1>\n<p>The document has moved <a href="${redirectLocation}">here</a>.</p>\n</body></html>`);
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}
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}
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);
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httpd.registerPathHandler(
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'/test-redirect.html',
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{
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handle: function (request, response) {
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response.setHeader("Content-Type", 'text/html', false);
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response.setStatusLine(null, 200, "OK");
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response.write("<html><head><meta http-equiv=\"refresh\" content=\"2;url=test.html\"/></head><body></body></html>");
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}
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}
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);
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});
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beforeEach(function () {
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// Fake XHR, which can be disabled per test with `Zotero.HTTP.mock = null`
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Zotero.HTTP.mock = sinon.FakeXMLHttpRequest;
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server = sinon.fakeServer.create();
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server.autoRespond = true;
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});
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afterEach(async function () {
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// Allow requests to settle
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await Zotero.Promise.delay(50);
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});
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after(function* () {
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var defer = new Zotero.Promise.defer();
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httpd.stop(() => defer.resolve());
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yield defer.promise;
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Zotero.HTTP.mock = null;
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});
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describe("#request()", function () {
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it("should succeed with 3xx status if followRedirects is false", async function () {
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Zotero.HTTP.mock = null;
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var req = await Zotero.HTTP.request(
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'GET',
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baseURL + 'redirect',
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{
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followRedirects: false
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}
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);
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assert.equal(req.status, 301);
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assert.equal(req.getResponseHeader('Location'), redirectLocation);
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});
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it("should catch an interrupted connection", async function () {
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setResponse({
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method: "GET",
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url: "empty",
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status: 0,
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text: ""
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})
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var e = await getPromiseError(Zotero.HTTP.request("GET", baseURL + "empty"));
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assert.ok(e);
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assert.equal(e.message, Zotero.getString('sync.error.checkConnection'));
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});
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it("should provide cancellerReceiver with a callback to cancel a request", async function () {
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var timeoutID;
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server.autoRespond = false;
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server.respondWith(function (req) {
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if (req.method == "GET" && req.url == baseURL + "slow") {
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req.respond(
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200,
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{},
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"OK"
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);
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}
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});
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setTimeout(function () {
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cancel();
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}, 50);
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var e = await getPromiseError(Zotero.HTTP.request(
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"GET",
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baseURL + "slow",
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{
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cancellerReceiver: function (f) {
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cancel = f;
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}
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}
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));
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assert.instanceOf(e, Zotero.HTTP.CancelledException);
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server.respond();
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});
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describe("Retries", function () {
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var spy;
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var delayStub;
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beforeEach(function () {
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delayStub = sinon.stub(Zotero.Promise, "delay").returns(Zotero.Promise.resolve());
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});
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afterEach(function () {
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if (spy) {
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spy.restore();
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}
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delayStub.restore();
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});
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after(function () {
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sinon.restore();
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});
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it("should retry on 500 error", async function () {
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setResponse({
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method: "GET",
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url: "error",
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status: 500,
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text: ""
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});
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spy = sinon.spy(Zotero.HTTP, "_requestInternal");
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var e = await getPromiseError(
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Zotero.HTTP.request(
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"GET",
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baseURL + "error",
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{
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errorDelayIntervals: [10, 20, 100],
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errorDelayMax: 35
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}
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)
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);
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assert.instanceOf(e, Zotero.HTTP.UnexpectedStatusException);
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assert.isTrue(spy.calledThrice);
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assert.isTrue(delayStub.calledTwice);
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assert.equal(delayStub.args[0][0], 10);
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assert.equal(delayStub.args[1][0], 20);
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});
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it("should provide cancellerReceiver a callback to cancel while waiting to retry a 5xx error", async function () {
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delayStub.restore();
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setResponse({
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method: "GET",
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url: "error",
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status: 500,
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text: ""
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});
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var cancel;
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spy = sinon.spy(Zotero.HTTP, "_requestInternal");
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setTimeout(() => {
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cancel();
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}, 300);
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var e = await getPromiseError(
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Zotero.HTTP.request(
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"GET",
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baseURL + "error",
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{
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errorDelayIntervals: [10, 10, 600],
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cancellerReceiver: function () {
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cancel = arguments[0];
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}
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}
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)
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);
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assert.instanceOf(e, Zotero.HTTP.CancelledException);
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assert.equal(spy.callCount, 3);
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});
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it("should obey Retry-After for 503", function* () {
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var called = 0;
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server.respond(function (req) {
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if (req.method == "GET" && req.url == baseURL + "error") {
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if (called < 1) {
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req.respond(
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503,
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{
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"Retry-After": "5"
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},
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""
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);
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}
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else if (called < 2) {
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req.respond(
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503,
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{
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"Retry-After": "10"
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},
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""
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);
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}
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else {
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req.respond(
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200,
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{},
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""
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);
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}
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}
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called++;
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});
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spy = sinon.spy(Zotero.HTTP, "_requestInternal");
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yield Zotero.HTTP.request("GET", baseURL + "error");
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assert.equal(3, spy.callCount);
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// DEBUG: Why are these slightly off?
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assert.approximately(delayStub.args[0][0], 5 * 1000, 5);
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assert.approximately(delayStub.args[1][0], 10 * 1000, 5);
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});
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});
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});
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describe("#processDocuments()", function () {
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beforeEach(function () {
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Zotero.HTTP.mock = null;
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});
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it("should provide a document object", function* () {
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var called = false;
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yield Zotero.HTTP.processDocuments(
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testURL,
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function (doc) {
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assert.equal(doc.location.href, testURL);
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assert.equal(doc.querySelector('p').textContent, 'Test');
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var p = doc.evaluate('//p', doc, null, XPathResult.ANY_TYPE, null).iterateNext();
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assert.equal(p.textContent, 'Test');
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called = true;
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}
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);
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assert.isTrue(called);
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});
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it("should follow meta redirect for a document", async function () {
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let url1 = `http://127.0.0.1:${port}/test-redirect.html`;
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let url2 = `http://127.0.0.1:${port}/test.html`;
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let called = false;
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await Zotero.HTTP.processDocuments(
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url1,
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function (doc) {
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assert.equal(doc.location.href, url2);
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called = true;
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}
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);
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assert.isTrue(called);
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});
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});
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describe("#loadDocuments()", function () {
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var win;
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before(function* () {
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// TEMP: createHiddenBrowser currently needs a parent window
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win = yield loadBrowserWindow();
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});
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after(function* () {
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win.close();
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});
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it("should provide a document object", function* () {
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var called = false;
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yield new Zotero.Promise((resolve) => {
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Zotero.HTTP.loadDocuments(
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testURL,
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function (doc) {
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assert.equal(doc.location.href, testURL);
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assert.equal(doc.querySelector('p').textContent, 'Test');
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var p = doc.evaluate('//p', doc, null, XPathResult.ANY_TYPE, null).iterateNext();
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assert.equal(p.textContent, 'Test');
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called = true;
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},
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resolve
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);
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});
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assert.isTrue(called);
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});
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it("should fail on non-2xx response", async function () {
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var e = await getPromiseError(new Zotero.Promise((resolve, reject) => {
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Zotero.HTTP.loadDocuments(
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baseURL + "nonexistent",
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() => {},
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resolve,
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reject
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);
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}));
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assert.instanceOf(e, Zotero.HTTP.UnexpectedStatusException);
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});
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});
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});
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