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test_capturejs.js
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test_capturejs.js
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"use strict";
var fs = require("fs"),
http = require("http"),
url = require("url"),
path = require("path"),
crypto = require("crypto"),
async = require("async"),
capturejs = require(path.join(__dirname, "..", "lib", "capturejs.js"));
var PORT = 9999,
ROOT_URI = "http://" + require("os").hostname() + ":" + PORT,
server, request;
function md5sum(filePath, callback) {
var md5 = crypto.createHash("md5");
fs.readFile(filePath, function (err, data) {
if (err) {
return callback(null, err);
}
callback(null, md5.update(data).digest("hex"));
});
}
function actualPath(fileName) {
return path.join(__dirname, "actual", fileName);
}
function expectedPath(fileName) {
return path.join(__dirname, "expected", fileName);
}
module.exports = {
"setUp": function (callback) {
server = http.createServer(function (req, res) {
request = req;
var u = url.parse(req.url, true),
delay = u.query.responsetime || 0;
setTimeout(function () {
fs.readFile(path.join(__dirname, "test.html"), "utf8", function (err, data) {
if (err) {
throw err;
}
res.writeHead("200", {
"Content-Type": "text/html",
"Set-Cookie": "cookie=test"
});
res.write(data);
res.end();
});
}, delay);
}).listen(PORT, callback);
},
"tearDown": function (callback) {
server.close(callback);
},
"basic": function (test) {
// PhantomJS does not support GIF format without a special codec.
// See http://stackoverflow.com/questions/38048746/how-to-use-phantomjs-create-gif.
var expected = expectedPath("basic.png"),
actual = actualPath(Date.now() + ".png");
capturejs.capture({
"uri": ROOT_URI,
"output": actual,
"web-security": "no" // Enable cross-domain XHR for unit tests to run locally.
}, function () {
setTimeout(function () {
async.map([expected, actual], md5sum, function (err, results) {
test.ok(!err);
test.equal(results[0], results[1], expected + " eq " + actual);
test.done();
});
}, 200);
});
},
"selector": function (test) {
var expected = expectedPath("selector.png"),
actual = actualPath(Date.now() + ".png");
capturejs.capture({
"uri": ROOT_URI,
"output": actual,
"web-security": "no",
"selector": "#test"
}, function () {
setTimeout(function () {
async.map([expected, actual], md5sum, function (err, results) {
test.ok(!err);
test.equal(results[0], results[1], expected + " eq " + actual);
test.done();
});
}, 200);
});
},
"external script": function (test) {
var expected = expectedPath("external_script.png"),
actual = actualPath(Date.now() + ".png");
capturejs.capture({
"uri": ROOT_URI,
"output": actual,
"web-security": "no",
"javascript-file": path.join(__dirname, "external_script")
}, function () {
setTimeout(function () {
async.map([expected, actual], md5sum, function (err, results) {
test.ok(!err);
test.equal(results[0], results[1], expected + " eq " + actual);
test.done();
});
}, 200);
});
},
"user-agent": function (test) {
var useragent = "This is the user-agent test.";
capturejs.capture({
"uri": ROOT_URI,
"output": actualPath(Date.now() + ".png"),
"web-security": "no",
"user-agent": useragent
}, function () {
test.equal(useragent, request.headers["user-agent"]);
test.done();
});
},
"cookies-file": function (test) {
var cookiesFile = path.join(__dirname, "cookies-file.txt");
fs.unlink(cookiesFile, function (err) {
capturejs.capture({
"uri": ROOT_URI,
"output": actualPath(Date.now() + ".png"),
"web-security": "no",
"cookies-file": cookiesFile
}, function () {
// fs.exists is undefined on node v0.4, v0.6
fs.stat(cookiesFile, function (err, stats) {
test.ok(!err);
test.done();
});
});
});
},
"timeout": function (test) {
capturejs.capture({
"uri": ROOT_URI + "/?responsetime=2000",
"output": actualPath(Date.now() + ".png"),
"web-security": "no",
"timeout": 500
}, function (err) {
test.ok(!!err);
test.done();
});
},
"viewportsize": function (test) {
var expected = expectedPath("viewportsize.png"),
actual = actualPath(Date.now() + ".png");
capturejs.capture({
"uri": ROOT_URI,
"output": actual,
"web-security": "no",
"viewportsize": "20x20"
}, function () {
setTimeout(function () {
async.map([expected, actual], md5sum, function (err, results) {
test.equal(results[0], results[1], expected + " eq " + actual);
test.done();
});
}, 200);
});
}
};
// vim: set fenc=utf-8 ts=4 sts=4 sw=4 :