gecko-dev/toolkit/components/feeds/test/shell.js

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JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// shell.js
// This file sets up the unit test environment by building an array of files
// to be tested. It assumes it lives in a folder adjacent to the a folder
// called 'xml', where the testcases live.
//
// The directory layout looks something like this:
//
// tests/ *shell.js*
// |
// - test.js
// |
// - xml/ -- rss1/...
// |
// -- rss2/...
// |
// -- atom/testcase.xml
function trimString(s)
{
return(s.replace(/^\s+/,'').replace(/\s+$/,''));
}
var tests = new Array();
const ioService = Components.classes['@mozilla.org/network/io-service;1'].getService(Components.interfaces.nsIIOService);
// find the directory containing our test XML
if (0 < arguments.length) {
// dir is specified on the command line
var topDir = Components.classes["@mozilla.org/file/local;1"]
.createInstance(Components.interfaces.nsILocalFile);
topDir.initWithPath(arguments[0]);
}
else {
const nsIDirectoryServiceProvider
= Components.interfaces.nsIDirectoryServiceProvider;
const nsIDirectoryServiceProvider_CONTRACTID
= "@mozilla.org/file/directory_service;1";
var dirServiceProvider
= Components.classes[nsIDirectoryServiceProvider_CONTRACTID]
.getService(nsIDirectoryServiceProvider);
var persistent = new Object();
var topDir = dirServiceProvider.getFile("CurWorkD", persistent);
}
var entries = topDir.directoryEntries;
var xmlDir;
while(entries.hasMoreElements()){
xmlDir = entries.getNext();
xmlDir.QueryInterface(Components.interfaces.nsILocalFile);
if(xmlDir.leafName == "xml")
break;
else
xmlDir = null;
}
// if we got our xmldir, find our testcases
var testDir;
if(xmlDir){
entries = xmlDir.directoryEntries;
while(entries.hasMoreElements()){
testDir = entries.getNext();
testDir.QueryInterface(Components.interfaces.nsILocalFile);
if(testDir.exists() && testDir.isDirectory()){
var testfiles = testDir.directoryEntries;
while(testfiles.hasMoreElements()){ // inside an individual testdir, like "rss2"
var test = testfiles.getNext();
test.QueryInterface(Components.interfaces.nsILocalFile);
if(test.exists() && test.isFile()){
// Got a feed file, now we need to add it to our tests
// and parse out the Description and Expect headers.
// That lets us write one test.js file and keep the
// tests with the XML. Convenient method learned from
// Mark Pilgrim.
var istream = Components.classes["@mozilla.org/network/file-input-stream;1"]
.createInstance(Components.interfaces.nsIFileInputStream);
try{
// open an input stream from file
istream.init(test, 0x01, 0444, 0);
istream.QueryInterface(Components.interfaces.nsILineInputStream);
var line = {}, hasmore, testcase = {}, expectIndex, descIndex;
do {
hasmore = istream.readLine(line);
expectIndex = line.value.indexOf('Expect:');
descIndex = line.value.indexOf('Description:');
baseIndex = line.value.indexOf('Base:');
if(descIndex > -1)
testcase.desc = trimString(line.value.substring(line.value.indexOf(':')+1));
if(expectIndex > -1)
testcase.expect = trimString(line.value.substring(line.value.indexOf(':')+1));
if(baseIndex > -1)
testcase.base = ioService.newURI(trimString(line.value.substring(line.value.indexOf(':')+1)),null,null);
if(testcase.expect && testcase.desc){
// got our fields, let's add it to our array and break
testcase.path = xmlDir.leafName + '/' + testDir.leafName + '/' + test.leafName;
testcase.file = test;
tests.push(testcase);
break; // out of do-while
}
} while(hasmore);
}catch(e){
dump("FAILED! Error reading test case in file " + test.leafName + " " + e + "\n");
}finally{
istream.close();
}
}
}
}
}
}
load(topDir.path+'/test.js');