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Bug 1216736 - Provide xpcshell tests for basic Fetch usage from chrome js r=baku
This commit is contained in:
Mark Goodwin
parent
42dfafc455
commit
875c6e2ca0
318
dom/tests/unit/test_Fetch.js
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318
dom/tests/unit/test_Fetch.js
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/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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const {utils: Cu} = Components;
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Cu.importGlobalProperties(['fetch']);
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Cu.import("resource://testing-common/httpd.js");
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const BinaryInputStream = Components.Constructor("@mozilla.org/binaryinputstream;1",
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"nsIBinaryInputStream", "setInputStream");
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var server;
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function getBaseUrl () {
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return "http://localhost:" + server.identity.primaryPort;
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}
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// a way to create some test defaults
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function createTestData(testPath) {
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return {
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testPath: testPath,
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request: {
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headers: {},
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contentType: "application/json",
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},
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response: {
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headers: {},
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contentType: "application/json",
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body: "{\"Look\": \"Success!\"}",
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status: 200,
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statusText: "OK"
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},
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};
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}
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// read body and content type information from a request
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function readDataFromRequest(aRequest) {
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let requestData = {};
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if (aRequest.method == "POST" || aRequest.method == "PUT") {
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if (aRequest.bodyInputStream) {
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let inputStream = new BinaryInputStream(aRequest.bodyInputStream);
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let bytes = [];
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let available;
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while ((available = inputStream.available()) > 0) {
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Array.prototype.push.apply(bytes, inputStream.readByteArray(available));
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}
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requestData.body = String.fromCharCode.apply(null, bytes);
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requestData.contentType = aRequest.getHeader("Content-Type");
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}
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}
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return requestData;
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}
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// write status information, content type information and body to a response
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function writeDataToResponse(aData, aResponse) {
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aResponse.setStatusLine(null, aData.status, aData.statusText);
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aResponse.setHeader("Content-Type", aData.contentType);
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for (let header in aData.headers) {
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aResponse.setHeader(header, aData.headers[header]);
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}
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aResponse.write(aData.body);
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}
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// test some GET functionality
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add_test(function test_GetData() {
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do_test_pending();
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let testData = createTestData("/getData");
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// set up some headers to test
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let headerNames = ["x-test-header", "x-other-test-header"];
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for (let headerName of headerNames) {
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testData.request.headers[headerName] = "test-value-for-" + headerName;
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}
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server.registerPathHandler(testData.testPath, function(aRequest, aResponse) {
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try {
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// check our request headers made it OK
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for (let headerName of headerNames) {
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do_check_eq(testData.request.headers[headerName],
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aRequest.getHeader(headerName));
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}
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// send a response
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writeDataToResponse(testData.response, aResponse);
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} catch (e) {
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do_report_unexpected_exception(e);
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}
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});
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// fetch, via GET, with some request headers set
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fetch(getBaseUrl() + testData.testPath, {headers: testData.request.headers})
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.then(function(response){
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// check response looks as expected
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do_check_true(response.ok);
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do_check_eq(response.status, testData.response.status);
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do_check_eq(response.statusText, testData.response.statusText);
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// check a response header looks OK:
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do_check_eq(response.headers.get("Content-Type"),
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testData.response.contentType);
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// ... and again to check header names are case insensitive
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do_check_eq(response.headers.get("content-type"),
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testData.response.contentType);
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// ensure response.text() returns a promise that resolves appropriately
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response.text().then(function(text) {
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do_check_eq(text, testData.response.body);
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do_test_finished();
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run_next_test();
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});
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}).catch(function(e){
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do_report_unexpected_exception(e);
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do_test_finished();
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run_next_test();
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});
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});
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// test a GET with no init
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add_test(function test_GetData() {
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do_test_pending();
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let testData = createTestData("/getData");
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server.registerPathHandler(testData.testPath, function(aRequest, aResponse) {
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try {
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// send a response
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writeDataToResponse(testData.response, aResponse);
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} catch (e) {
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do_report_unexpected_exception(e);
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}
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});
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fetch(getBaseUrl() + testData.testPath, {headers: testData.request.headers})
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.then(function(response){
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// check response looks as expected
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do_check_true(response.ok);
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do_check_eq(response.status, testData.response.status);
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// ensure response.text() returns a promise that resolves appropriately
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response.text().then(function(text) {
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do_check_eq(text, testData.response.body);
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do_test_finished();
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run_next_test();
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});
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}).catch(function(e){
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do_report_unexpected_exception(e);
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do_test_finished();
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run_next_test();
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});
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});
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// test some error responses
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add_test(function test_get40x() {
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do_test_pending();
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// prepare a response with some 40x error - a 404 will do
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let notFoundData = createTestData("/getNotFound");
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notFoundData.response.status = 404;
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notFoundData.response.statusText = "Not found";
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notFoundData.response.body = null;
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// No need to register a path handler - httpd will return 404 anyway.
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// Fetch, via GET, the resource that doesn't exist
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fetch(getBaseUrl() + notFoundData.testPath).then(function(response){
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do_check_eq(response.status, 404);
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do_test_finished();
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run_next_test();
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});
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});
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add_test(function test_get50x() {
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do_test_pending();
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// prepare a response with some server error - a 500 will do
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let serverErrorData = createTestData("/serverError");
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serverErrorData.response.status = 500;
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serverErrorData.response.statusText = "The server broke";
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serverErrorData.response.body = null;
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server.registerPathHandler(serverErrorData.testPath,
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function(aRequest, aResponse) {
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try {
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// send the error response
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writeDataToResponse(serverErrorData.response, aResponse);
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} catch (e) {
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do_report_unexpected_exception(e);
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}
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});
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// fetch, via GET, the resource that creates a server error
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fetch(getBaseUrl() + serverErrorData.testPath).then(function(response){
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do_check_eq(response.status, 500);
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do_test_finished();
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run_next_test();
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});
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});
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// test a failure to connect
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add_test(function test_getTestFailedConnect() {
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do_test_pending();
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// try a server that's not there
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fetch("ftp://localhost/should/fail").then(response => {
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do_throw("Request should not succeed");
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}).catch(err => {
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do_check_eq(true, err instanceof TypeError);
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do_test_finished();
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run_next_test();
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});
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});
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// test POSTing some JSON data
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add_test(function test_PostJSONData() {
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do_test_pending();
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let testData = createTestData("/postJSONData");
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testData.request.body = "{\"foo\": \"bar\"}";
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server.registerPathHandler(testData.testPath, function(aRequest, aResponse) {
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try {
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let requestData = readDataFromRequest(aRequest);
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// Check the request body is OK
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do_check_eq(requestData.body, testData.request.body);
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// Check the content type is as expected
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do_check_eq(requestData.contentType, testData.request.contentType);
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writeDataToResponse(testData.response, aResponse);
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} catch (e) {
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do_check_true(false);
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}
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});
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fetch(getBaseUrl() + testData.testPath, {
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method: "POST",
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body: testData.request.body,
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headers: {
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'Content-Type': 'application/json'
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}
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}).then(function(aResponse) {
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do_check_true(aResponse.ok);
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do_check_eq(aResponse.status, testData.response.status);
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do_check_eq(aResponse.statusText, testData.response.statusText);
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do_test_finished();
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run_next_test();
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}).catch(function(e) {
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do_report_unexpected_exception(e);
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do_test_finished();
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run_next_test();
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});
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});
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// test POSTing some text
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add_test(function test_PostJSONData() {
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do_test_pending();
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let testData = createTestData("/postTextData");
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testData.request.body = "A plain text body";
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testData.request.contentType = "text/plain";
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let responseHeaderName = "some-response-header";
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testData.response.headers[responseHeaderName] = "some header value";
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server.registerPathHandler(testData.testPath, function(aRequest, aResponse) {
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try {
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let requestData = readDataFromRequest(aRequest);
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// Check the request body is OK
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do_check_eq(requestData.body, testData.request.body);
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// Check the content type is as expected
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do_check_eq(requestData.contentType, testData.request.contentType);
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writeDataToResponse(testData.response, aResponse);
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} catch (e) {
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do_check_true(false);
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}
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});
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fetch(getBaseUrl() + testData.testPath, {
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method: "POST",
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body: testData.request.body,
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headers: {
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'Content-Type': testData.request.contentType
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}
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}).then(function(aResponse) {
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do_check_true(aResponse.ok);
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do_check_eq(aResponse.status, testData.response.status);
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do_check_eq(aResponse.statusText, testData.response.statusText);
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// check the response header is set OK
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do_check_eq(aResponse.headers.get(responseHeaderName),
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testData.response.headers[responseHeaderName]);
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do_test_finished();
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run_next_test();
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}).catch(function(e) {
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do_report_unexpected_exception(e);
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do_test_finished();
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run_next_test();
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});
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});
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function run_test() {
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// Set up an HTTP Server
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server = new HttpServer();
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server.start(-1);
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run_next_test();
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do_register_cleanup(function() {
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server.stop(function() { });
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});
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}
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@ -1,10 +1,11 @@
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[DEFAULT]
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head =
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tail =
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head =
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tail =
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skip-if = toolkit == 'gonk'
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[test_bug319968.js]
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[test_bug465752.js]
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[test_Fetch.js]
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[test_geolocation_provider.js]
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# Bug 684962: test hangs consistently on Android
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skip-if = os == "android"
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