From: Wolfram Schneider <wosch@indexdata.dk>
Date: Mon, 13 Oct 2014 12:00:12 +0000 (+0200)
Subject: check filename for .png extension
X-Git-Tag: 1.0.0~237^2~1
X-Git-Url: http://jsfdemo.indexdata.com/cgi-bin?a=commitdiff_plain;h=f250e43f94ea55889cacd5986e2552b2199bfcb3;p=mkws-moved-to-github.git

check filename for .png extension

Without a correct file type extension, phantomjs will fail
silently
---

diff --git a/test/phantom/screenshot.js b/test/phantom/screenshot.js
index 40f9937..8fea863 100644
--- a/test/phantom/screenshot.js
+++ b/test/phantom/screenshot.js
@@ -5,11 +5,23 @@ var url = system.args[1] || 'http://www.indexdata.com/';
 var file_png = system.args[2] || 'indexdata.png';
 var timeout = system.args[5] ? system.args[5] : 0.2;
 
-if (system.args.length === 1) {
+function usage (message) {
+    if (message) {
+        console.log(message + "\n");
+    }
     console.log('Usage: screenshot.js <some URL> <file.png>');
     phantom.exit();
 }
 
+if (system.args.length === 1) {
+    usage();
+}
+
+if (!file_png.match(/\.png$/)) {
+    usage("File name has no .png extension: '" + file_png + "'");
+}
+
+
 // page.zoomFactor = 1.0;
 page.viewportSize = {
     width: system.args[3] ? system.args[3] : 1200,
@@ -28,3 +40,5 @@ page.open(url, function () {
         phantom.exit();
     }, timeout * 1000);
 });
+
+// EOF