Fix iframe proxy

2023-08-10 21:13:10 +03:00 · 2015-01-18 21:38:05 +02:00
parent dd697d9569
commit 4783e9dd26
8 changed files with 153 additions and 25 deletions
--- a/tests/mocha/iframe3.htm
+++ b/tests/mocha/iframe3.htm
@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head lang="en">
+    <meta charset="UTF-8">
+    <title></title>
+    <style>
+
+        html, body {
+            background: red;
+            margin: 0;
+            padding: 0;
+        }
+        .valid {
+            height: 350px;
+            background: green;
+            display: block;
+        }
+    </style>
+</head>
+<body><div class="valid">&nbsp;</div></body>
+</html>
--- a/tests/mocha/proxy.htm
+++ b/tests/mocha/proxy.htm
@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html>
+<head lang="en">
+    <meta charset="UTF-8">
+    <title>Proxy tests</title>
+    <link rel="stylesheet" href="lib/mocha.css" />
+    <script src="../../dist/html2canvas.js"></script>
+    <script src="../assets/jquery-1.6.2.js"></script>
+    <script src="lib/expect.js"></script>
+    <script src="lib/mocha.js"></script>
+    <style>
+        #content {
+            width: 200px;
+            height: 200px;
+        }
+    </style>
+</head>
+<body>
+<div id="mocha"></div>
+<script>mocha.setup('bdd')</script>
+<div id="content" style="display: inline-block;background: red;">
+    <iframe src="http://localhost:8083/tests/mocha/iframe3.htm" style="border: 0; width: 200px; height: 200px;" scrolling="no"></iframe>
+</div>
+<script>
+    describe("Proxy", function() {
+        it("with iframe through proxy", function (done) {
+            this.timeout(10000);
+            html2canvas(document.querySelector("#content"), {proxy: 'http://localhost:8082'}).then(function (canvas) {
+                validCanvasPixels(canvas);
+                done();
+            }).catch(function (error) {
+                done(error);
+            });
+        });
+
+        it("with iframe without proxy", function (done) {
+            html2canvas(document.querySelector("#content")).then(function (canvas) {
+                expect(canvas.width).to.equal(200);
+                expect(canvas.height).to.equal(200);
+                done();
+            }).catch(function (error) {
+                done(error);
+            });
+        });
+
+        it("with url using proxy", function (done) {
+            html2canvas("http://localhost:8083/tests/mocha/iframe3.htm", {proxy: 'http://localhost:8082', width: 200, height: 200, type: 'view'}).then(function (canvas) {
+                expect(canvas.width).to.equal(200);
+                expect(canvas.height).to.equal(200);
+                done();
+            }).catch(function (error) {
+                done(error);
+            });
+        });
+
+        it("with url without proxy", function (done) {
+            html2canvas("http://localhost:8083/tests/mocha/iframe3.htm").then(function () {
+                done("Should throw error");
+            }).catch(function (error) {
+                expect(error).to.equal("Proxy must be used when rendering url");
+                done();
+            });
+        });
+    });
+
+    function validCanvasPixels(canvas) {
+        var ctx = canvas.getContext("2d");
+        var data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
+        for (var i = 0, len = data.length; i < len; i+=4) {
+            if (data[i] !== 0 || data[i+1] !== 128 || data[i+2] !== 0 || data[i+3] !== 255) {
+                expect().fail("Invalid canvas data");
+            }
+        }
+    }
+
+    mocha.checkLeaks();
+    mocha.globals(['jQuery']);
+    if (window.mochaPhantomJS) {
+        mochaPhantomJS.run();
+    }
+    else {
+        mocha.run();
+    }
+    mocha.suite.afterAll(function() {
+        document.body.setAttribute('data-complete', 'true');
+    });
+</script>
+</body>
+</html>