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• Find the flaws in the concept...

  - by Trindaz

  A web based web browser. Sounds silly right? Here's a use case. All comments about what could go wrong, and if anyone has tried and failed at this, very much wanted User goes to www.theBrowser.com and logs in with credentials specific to theBrowser.com. User tells theBrowser what their username and password for various sites are User goes to theBrowser.com/?uri=somesite.com theBrowser sends off the http request with User's log in details, then sends the http response back to User. This lets theBrowser do weird and wonderful functions like change colours / style sheets / etc. to every site that gets passed through it. From a technical stand point, storing username and password and passing them along is not a challenge for one user, but if there were a few, I'd have to use some kind of server based browser software to store a session per user logged in at theBrowser.com. How could I do that? Will I have to start from scratch? Obviously privacy and security are issues. Would theBrowser.com be too great a risk, even if users are fully warned? Cheers, Dave

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• Testing a method that sends e-mail without sending the mail

  - by SnOrfus

  I have a method like public abstract class Base { public void MethodUnderTest(); } public class ClassUnderTest : Base { public override MethodUnderTest() { if(condition) { IMail mail = new Mail() { /* ... */ }; IMailer mailer = new Mailer() { /* ... */ } mailer.Send(mail); } else { /* ... */ } } } I have unit tests for this method, and the mail gets sent to myself, so it's not terrible (better than no test) but I'd prefer not to send the mail. The problem I have is that I don't want test specific code in the class (ie. if (testMode) return; instead of sending the mail) I don't know lots about DI, but I considered passing a mock IMailer into MethodUnderTest except that it overrides the base class, and no other class that derives from Base needs an IMailer object (I don't want to force implementers of Base to take an unnecessary IMailer in MethodUnderTest) What else can I do? (note: IMail and IMailer are part of an external library for sending e-mail. It's written in house, so I can modify it all I like if necessary, though I can't see a need to in this situation)

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• Optimal Serialization of Primitive Types

  - by Greg Dean

  We are beginning to roll out more and more WAN deployments of our product (.Net fat client w/ IIS hosted Remoting backend). Because of this we are trying to reduce the size of the data on the wire. We have overridden the default serialization by implementing ISerializable (similar to this), we are seeing anywhere from 12% to 50% gains. Most of our efforts focus on optimizing arrays of primitive types. I would like to know if anyone knows of any fancy way of serializing primitive types, beyond the obvious? For example today we serialize an array of ints as follows: [4-bytes (array length)][4-bytes][4-bytes] Can anyone do significantly better? The most obvious example of a significant improvement, for boolean arrays, is putting 8 bools in each byte, which we already do. Note: Saving 7 bits per bool may seem like a waste of time, but when you are dealing with large magnitudes of data (which we are), it adds up very fast. Note: We want to avoid general compression algorithms because of the latency associated with it. Remoting only supports buffered requests/responses(no chunked encoding). I realize there is a fine line between compression and optimal serialization, but our tests indicate we can afford very specific serialization optimizations at very little cost in latency. Whereas reprocessing the entire buffered response into new compressed buffer is too expensive.

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• Using open2300 with Ubuntu

  - by Gawain

  Hello, I am currently running Ubuntu 8.10 and have been trying to use Open2300 to read data from a Lacrosse WS-2310 weather station and report it to the WUnderground server. The program compiles fine but when I try to run it, it does one of two things: usually it pauses for about 4 minutes, then prints "could not reset" to the screen. But sometimes it just hangs forever. It seems like my computer is unable to communicate with the weather station. I have set the serial port as /dev/ttyS0 in the open2300.conf file and i have also tried /dev/ttyS1, /dev/ttyS2, etc with the same result. As far as I can tell, there are no other settings regarding how Open2300 communicates with the device. Is my serial port locked somehow? It could be something as simple as an incorrect configuration for my serial port or something, but I would have no idea how to check that or change the configuration. Any help would be greatly appreciated. thanks, Gawain EDIT: I tried some tests that i found online and everything seems to be working with my serial port... gawain@gawain:~$ ls -l /dev/ttyS* crw-rw---- 1 root dialout 4, 64 2009-07-09 10:01 /dev/ttyS0 crw-rw---- 1 root dialout 4, 65 2009-07-09 08:56 /dev/ttyS1 crw-rw---- 1 root dialout 4, 66 2009-07-09 08:56 /dev/ttyS2 crw-rw---- 1 root dialout 4, 67 2009-07-09 08:56 /dev/ttyS3 gawain@gawain:~$ setserial -a /dev/ttyS0 /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4 Baud_base: 115200, close_delay: 50, divisor: 0 closing_wait: 3000 Flags: spd_normal skip_test gawain@gawain:~$ setserial -g /dev/ttyS* /dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4 /dev/ttyS1, UART: 8250, Port: 0xd028, IRQ: 18 /dev/ttyS2, UART: 8250, Port: 0xd040, IRQ: 18 /dev/ttyS3, UART: 8250, Port: 0xd050, IRQ: 18 gawain@gawain:~$ echo 12345 > /dev/ttyS0 gawain@gawain:~$ dmesg | tail -3 [ 144.424259] ppdev0: unregistered pardevice [ 145.692199] ppdev0: registered pardevice [ 145.740052] ppdev0: unregistered pardevice I also tried changing the serial port name to /dev/ttys0 (with a lowercase S) and in that case it gave me a different error, "Unable to open serial device." This suggests to me that it is able to open /dev/ttyS0 but something else is preventing it from reading the weather station. Any ideas? thanks.

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• mysql match against russain

  - by Devenv

  Hey, Trying to solve this for a very long time now... SELECT MATCH(name) AGAINST('????????') (russian) doesn't work, but SELECT MATCH(name) AGAINST('abraxas') (english) work perfectly. I know it's something with character-set, but I tried all kind of settings and it didn't work. For now it's latin-1. LIKE works This is the show variables charset related: character_set_client - latin1 character_set_connection - latin1 character_set_database - latin1 character_set_filesystem - binary character_set_results - latin1 character_set_server - latin1 character_set_system - utf8 character_sets_dir - /usr/share/mysql/charsets/ collation_connection - latin1_swedish_ci collation_database - latin1_swedish_ci collation_server - latin1_swedish_ci chunk of /etc/my.cnf default-character-set=latin1 skip-character-set-client-handshake chunk of the dump: /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; DROP TABLE IF EXISTS `scenes_raw`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `scenes_raw` ( `scene_name` varchar(40) DEFAULT NULL, ...blabla... ) ENGINE=MyISAM AUTO_INCREMENT=901 DEFAULT CHARSET=utf8; (I did tests without skip-character-set-client-handshake too) SHOW TABLE STATUS WHERE Name = 'scenes_raw'\G Name: scenes_raw Engine: MyISAM Version: 10 Row_format: Dynamic Index_length: 23552 Collation: utf8_general_ci Checksum: NULL Create_options:

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• rails test.log is always empty

  - by Raiden

  All the log entries generated when running tests with 'rake' are written to my development.log instead of test.log file Do I have to explicitly enable logging for test in enviornments/test.config?? (I'm using 'turn' gem to format test output, Can that cause an issue?) I'm running rails 2.3.5, ruby 1.8.7 I've all these gems installed for RAILS_ENV=test. Any help is appreciated. -[I] less -[I] treetop = 1.4.2 - [I] polyglot = 0.2.5 - [I] mutter = 0.4.2 - [I] mysql - [I] authlogic - [R] activesupport - [I] turn - [I] ansi = 1.1.0 - [I] facets = 2.8.0 - [I] rspec = 1.2.0 - [I] rspec-rails = 1.2.0 - [I] rspec = 1.3.0 - [R] rack = 1.0.0 - [I] webrat = 0.4.3 - [I] nokogiri = 1.2.0 - [R] rack = 1.0 - [I] rack-test = 0.5.3 - [R] rack = 1.0 - [I] cucumber = 0.2.2 - [I] term-ansicolor = 1.0.4 - [I] treetop = 1.4.2 - [I] polyglot = 0.2.5 - [I] polyglot = 0.2.9 - [R] builder = 2.1.2 - [I] diff-lcs = 1.1.2 - [R] json_pure = 1.2.0 - [I] cucumber-rails - [I] cucumber = 0.6.2 - [I] term-ansicolor = 1.0.4 - [I] treetop = 1.4.2 - [I] polyglot = 0.2.5 - [I] polyglot = 0.2.9 - [R] builder = 2.1.2 - [I] diff-lcs = 1.1.2 - [R] json_pure = 1.2.0 - [I] database_cleaner = 0.2.3 - [I] launchy - [R] rake = 0.8.1 - [I] configuration = 0.0.5 - [I] faker - [I] populator - [R] flog = 2.1.0 - [R] flay - [I] rcov - [I] reek - [R] ruby_parser ~ 2.0 - [I] ruby2ruby ~ 1.2 - [R] sexp_processor ~ 3.0 - [R] ruby_parser ~ 2.0 - [R] sexp_processor ~ 3.0 - [I] roodi - [R] ruby_parser - [I] gruff - [I] rmagick - [I] ruby-prof - [R] jscruggs-metric_fu = 1.1.5 - [I] factory_girl - [I] notahat-machinist

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• Python doctest error

  - by user74283

  Hi I recently started experimenting with python currently reading "Think like a computer scientist: Learning python v2nd edition" I have been having some trouble with doctest. I use a windows 7 machine and Eclipse IDE with pydev. My question is when i run the script below i get the error below. Said script is below the the error message Traceback (most recent call last): File "C:\Users\shaytac\PythonProjects\test.py", line 21, in doctest.testmod() File "C:\Python26\lib\doctest.py", line 1829, in testmod for test in finder.find(m, name, globs=globs, extraglobs=extraglobs): File "C:\Python26\lib\doctest.py", line 852, in find self._find(tests, obj, name, module, source_lines, globs, {}) File "C:\Python26\lib\doctest.py", line 906, in _find globs, seen) File "C:\Python26\lib\doctest.py", line 894, in _find test = self._get_test(obj, name, module, globs, source_lines) File "C:\Python26\lib\doctest.py", line 978, in _get_test filename, lineno) File "C:\Python26\lib\doctest.py", line 597, in get_doctest return DocTest(self.get_examples(string, name), globs, File "C:\Python26\lib\doctest.py", line 611, in get_examples return [x for x in self.parse(string, name) File "C:\Python26\lib\doctest.py", line 573, in parse self._parse_example(m, name, lineno) File "C:\Python26\lib\doctest.py", line 631, in _parse_example self._check_prompt_blank(source_lines, indent, name, lineno) File "C:\Python26\lib\doctest.py", line 718, in _check_prompt_blank line[indent:indent+3], line)) ValueError: line 2 of the docstring for main.compare lacks blank after : 'compare(5, 4) ' def compare(a, b): """ >>>compare(5, 4) 1 >>>compare(7, 7) 0 >>>compare(2, 3) -1 >>>compare(42, 1) 1 """ if a > b : return 1 if a == b : return 0 if a < b : return -1 if __name__ == '__main__': import doctest doctest.testmod()

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• Best way to "un-promote" files in Accurev?

  - by Luke Rinard

  My company uses Accurev for source control, and for all its benefits, there's one simple action that I just can't figure out how to accomplish. Often we have someone accidentally push a file up too far in our stream structure -- from the "Development" stream to the "Release" stream, for example. What is the best way to "un-promote" this file? That is to say, to get the old version of the file back into the "Release" stream, and keep the new version of the file in the "Development" stream, where it belongs? Just doing a "Revert to Backed" or other Revert action on the file in the Release stream will either cause an old version of the file to propagate down into Development, or will make the file disappear entirely. In the above case, the developer will have to jump through hoops with setting basis times on streams, or use the command line tool to do a checkout of an old transaction, to get the file back. Sometimes the people in question are non-technical, so this is not a good solution. I have also considered moving the files to a "higher ground" stream, reverting, and then cross-promoting them to the lower stream again. This seems really kludgy. It seems like Accurev is obscure enough that Google is no help, so I turn to the good folks of StackOverflow for help -- has anybody figured out the "Accurevy" way to accomplish this?

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• Why do people hate SQL cursors so much?

  - by Steven A. Lowe

  I can understand wanting to avoid having to use a cursor due to the overhead and inconvenience, but it looks like there's some serious cursor-phobia-mania going on where people are going to great lengths to avoid having to use one for example, one question asked how to do something obviously trivial with a cursor and the accepted answer proposed using a common table expression (CTE) recursive query with a recursive custom function, even though this limits the number of rows that could be processed to 32 (due to recursive call limit in sql server). This strikes me as a terrible solution for system longevity, not to mention a tremendous effort just to avoid using a simple cursor. what is the reason for this level of insane hatred? has some 'noted authority' issued a fatwa against cursors? does some unspeakable evil lurk in the heart of cursors that corrupts the morals of the children or something? wiki question, more interested in the answer than the rep thanks in advance! Related Info: http://stackoverflow.com/questions/37029/sql-server-fast-forward-cursors EDIT: let me be more precise: I understand that cursors should not be used instead of normal relational operations, that is a no-brainer. What I don't understand is people going waaaaay out of their way to avoid cursors like they have cooties or something, even when a cursor is a simpler and/or more efficient solution. It's the irrational hatred that baffles me, not the obvious technical efficiencies.

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• Basic jUnit Questions

  - by Epitaph

  I was testing a String multiplier class with a multiply() method that takes 2 numbers as inputs (as String) and returns the result number (as String) `public String multiply(String num1, String num2); I have done the implementation and created a test class with the following test cases involving the input String parameter as 1) valid numbers 2) characters 3) special symbol 4) empty string 5) Null value 6) 0 7) Negative number 8) float 9) Boundary values 10) Numbers that are valid but their product is out of range 11) numbers will + sign (+23) 1) I'd like to know if "each and every" assertEquals() should be in it's own test method? Or, can I group similar test cases like testInvalidArguments() to contains all asserts involving invalid characters since ALL of them throw the same NumberFormatException ? 2) If testing an input value like character ("a"), do I need to include test cases for ALL scenarios? "a" as the first argument "a" as the second argument "a" and "b" as the 2 arguments 3) As per my understanding, the benefit of these unit tests is to find out the cases where the input from a user might fail and result in an exception. And, then we can give the user with a meaningful message (asking them to provide valid input) instead of an exception. Is that the correct? And, is it the only benefit? 4) Are the 11 test cases mentioned above sufficient? Did I miss something? Did I overdo? When is enough? 5) Following from the above point, have I successfully tested the multiply() method?

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• Job Opportunities

  - by James

  I have a few questions about my job opportunities and I appreaciate it if people could give me some feedback on what I should have in front of me. I am graduatating from a University of Wisconsin--La Crosse this December with a degree in CS and a math minor. I have a cumulative GPA of 3.84 and a major GPA of 4.0 right now (though I still have many classes in front of me). I already have a degree from the U of Minnesota (History, 3.69 GPA) and have worked in the business world for 3+ years (working for a small company in the baseball world, doing some computer programming, statistical research, operations work, technical writing, etc.) I know Java and C well, also am comfortable with Perl. I should have a good grasp of SQL by graduation. I am looking to get a nice programming job (and will be open to moving). Anyone have any advice on things I should learn etc? Also, I would like to know what everyone thinks about my chances of landing a decent job (I realize that is subjective). Also, any ideas on salary I should be looking for (say I am working a metropolitan area). Thanks.

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• How to organize the work when project needs to be re-implemented due to poor code quality?

  - by Dmitriy Nagirnyak

  Hi, I have joined a very small where one main developer has been buiding the web app (.NET 4.0) during ~6 months. The project should be delivered within next 2 months. After first look at the code I can say that I would never allow it to go to production (things like catch { }, not tests at all with WebForms etc). So the code quality is incredibly low. My task is to improve that and still deliver the solution. So I plan to start with unit testing and MVC2 reimplementing most of the functionality (though using some of the existing code). I estimate that I will need about 6 weeks to catch up with the current progress and be on te same functionality level as the application will be in 6 months. The problem is that the main developer who has been working on the project does not seem to be very 'professional' and skillful (he seems to be really starting in IT and many basic things are unknown to him). It will take significant amount of time and effort to educate him how to do the proper testing, development and apply some patterns. I am ready to take responsibility for the reimplemnting the application but at the same time I don't want the main developer to be on idle but as he won't be able to significantly contribute to the better-world project at this stage I am not sure what would the best way to keep productivity high for both of us. Currently I think following solution is good enough: He proceeds doing what he does until I will catch up with him and then start working on a new project together. The problem is that of course this approach is not very productive as one developer will do better-world project while the other will proceed with what he did, effectively doing similar tasks. Can you suggest how we could better organise the work together in order to be most efficient for the overall project? Thanks, Dmitriy.

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• shoulda macros with rspec2 beta 5 and rails3 beta2

  - by Millisami

  I've setup Rspec2 beta5 and shoulda as following to use shoulda macros inside rspec model tests. Gemfile group :test do gem "rspec", ">= 2.0.0.beta.4" gem "rspec-rails", ">= 2.0.0.beta.4" gem 'shoulda', :git => 'git://github.com/bmaddy/ shoulda.git' gem "faker" gem "machinist" gem "pickle", :git => 'git://github.com/codegram/ pickle.git' gem 'capybara', :git => 'git://github.com/jnicklas/ capybara.git' gem 'database_cleaner', :git => 'git://github.com/bmabey/ database_cleaner.git' gem 'cucumber-rails', :git => 'git://github.com/aslakhellesoy/ cucumber-rails.git' end *spec_helper.rb* Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f} require 'shoulda' Rspec.configure do |config| *spec/models/outlet_spec.rb* require 'spec_helper' describe Outlet do it { should validate_presence_of(:name) } end And when I run the spec, I get the following error. [~/rails_apps/rails3_apps/automation (master)?] ? spec spec/models/ outlet_spec.rb DEPRECATION WARNING: RAILS_ROOT is deprecated! Use Rails.root instead. (called from join at /home/millisami/.rvm/gems/ruby-1.9.1-p378%rails3/ bundler/gems/shoulda-87e75311f83548760114cd4188afa4f83fecdc22-master/ lib/shoulda/autoload_macros.rb:40) F 1) Outlet Failure/Error: it { should validate_presence_of(:name) } undefined method `validate_presence_of' for #<Rspec::Core::ExampleGroup::Nested_1:0xc4dc138 @__memoized={}> # ./spec/models/outlet_spec.rb:4:in `block (2 levels) in <top (required)>' Finished in 0.0399 seconds 1 example, 1 failures [~/rails_apps/rails3_apps/automation (master)?] ? Why the "undefined method" ?? Is the shoulda getting loaded?

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• How to disable Safari Reader in a web page

  - by michael

  I'm curious to know more about what triggers the Reader option in Safari and what does not. I wouldn't plan to implement anything that would disable it, but curious as a technical exercise. Here is what I've learned so far with some basic playing around: You need at least one H tag It does not go by character count alone but by the number of P tags and length Probably looks for sentence breaks '.' and other criteria Safari will provide the 'Reader' if, with a H tag, and the following: 1 P tag, 2417 chars 4 P tags, 1527 chars 5 P tags, 1150 chars 6 P tags, 862 chars If you subtract 1 character from any of the above, the 'Reader' option is not available. I should note that the character count of the H tag plays a part but sadly did not realize this when I determined the results above. Assume 20+ characters for H tag and fixed throughout the results above. Some other interesting things: Setting <p style="display:none;"> for P tags removes them from the count Setting display to none, and then showing them 230ms later with Javascript avoided the Reader option too I'd be interested if anyone can determine this in full.

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• Emulating a web browser

  - by Sean

  Hello, we are tasked with basically emulating a browser to fetch webpages, looking to automate tests on different web pages. This will be used for (ideally) console-ish applications that run in the background and generate reports. We tried going with .NET and the WatiN library, but it was built on a Marshalled IE, and so it lacked many features that we hacked in with calls to unmanaged native code, but at the end of the day IE is not thread safe nor process safe, and many of the needed features could only be implemented by changing registry values and it was just terribly unflexible. Proxy support JavaScript support- we have to be able to parse the actual DOM after any javascript has executed (and hopefully an event is raised to handle any ajax calls) Ability to save entire contents of page including images FROM THE loaded page's CACHE to a separate location ability to clear cookies/cache, get the cookies/cache, etc. Ability to set headers and alter post data for any browser call And for the love of drogs, an API that isn't completely cryptic Languages acceptable C++, C#, Python, anything that can be a simple little console application that doesn't have a retarded syntax like Ruby. From my own research, and believe me I am terrible at google searches, I have heard good things about WebKit... would the Qt module QtWebKit handle all these features?

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• UIWebViewDelegate returns different error message on iPod Touch 2G and 3G

  - by lostInTransit

  Hi I have an app developed using SDK 3.0. My view has a UIWebView whose delegate is the viewcontroller. I want to show an error message when the webview does not load (in case the touch goes out of wifi range or wifi is turned off) I override this method to show an alert - (void)webView:(UIWebView *)wbView didFailLoadWithError:(NSError *)error But this caused an issue when some links were clicked on the webview. The page loaded but if some images from the previous page were not loaded, the method call was triggered. Testing on an iPod Touch 3G, the NSError's userInfo has the localized description as no Internet connection if load fails due to no internet connection. But this only seems to be true for an iPod Touch 3G. 2G shows a different message (I got to know from some beta testers. They aren't very technical so can't tell them to get me the logs or anything.) Can anyone with an iPod Touch 2G tell me the values for the NSError userInfo? Or better still, did anyone else face this issue? How did you resolve it? Thanks.

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• How do I grant a site's applet an AllPermission privilege?

  - by nahsra

  I'd like to specify certain applets to run with java.security.AllPermission on my computer (for debugging and security testing). However, I don't want to enable all applets that I run to have this permission. So, editing my user Java policy file (which I have ensured is the correct policy file through testing), I try to put this value: grant codeBase "http://host_where_applet_lives/-" { permission java.security.AllPermission; }; This value fails when the applet tries to do something powerful (create a new Thread, in my case). However, when I put the following value: grant { permission java.security.AllPermission; }; The applet is able to perform the powerful operation. The only difference is the lack of a codeBase attribute. An answer to a similar question asked here [1] seemed to suggest (but never show or prove) that AccessController.doPrivileged() calls may be required. To me, this sounds wrong as I don't need that call when I grant the permissions to all applets (the second example I showed). Even if this is a solution, littering the applets I run with AccessController.doPrivileged() calls is not easy or necessarily possible. To top it off, my tests show that this just doesn't work anyway. But I'm happy to hear more ideas around it. [1] http://stackoverflow.com/questions/1751412/cant-get-allpermission-configured-for-intranet-applet-can-anyone-help

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• In Seam what's the difference between injected EntityManager and getEntityManager from EntityHome

  - by Navi

  I am testing a Seam application using the needle test API. In my code I am using the getEntityManager() method from EntityHome. When I run the unit tests against an in memory database I get the following exception: java.lang.IllegalStateException: No application context active at org.jboss.seam.Component.forName(Component.java:1945) at org.jboss.seam.Component.getInstance(Component.java:2005) at org.jboss.seam.Component.getInstance(Component.java:1983) at org.jboss.seam.Component.getInstance(Component.java:1977) at org.jboss.seam.Component.getInstance(Component.java:1972) at org.jboss.seam.framework.Controller.getComponentInstance(Controller.java:272) at org.jboss.seam.framework.PersistenceController.getPersistenceContext(PersistenceController.java:20) at org.jboss.seam.framework.EntityHome.getEntityManager(EntityHome.java:177) etc .. I can resolve some of these errors by injecting the EntityManager with @In EntityManager entityManager; Unfortunately the persist method of EntityHome also calls the getEntityManager. This means a lot of mocks or rewriting the code somehow. Is there any workaround and why is this exception thrown anyway? I am using Seam 2.2.0 GA by the way. There is nothing special about the components. They are generated by seam-gen. The test is performed with in memory database - I followed the examples in http://jbosscc-needle.sourceforge.net/jbosscc-needle/1.0/db-util.html.

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• Generating equals / hashcode / toString using annotation

  - by Bruno Bieth

  I believe I read somewhere people generating equals / hashcode / toString methods during compile time (using APT) by identifying which fields should be part of the hash / equality test. I couldn't find anything like that on the web (I might have dreamed it ?) ... That could be done like that : public class Person { @Id @GeneratedValue private Integer id; @Identity private String firstName, lastName; @Identity private Date dateOfBirth; //... } For an entity (so we want to exlude some fields, like the id). Or like a scala case class i.e a value object : @ValueObject public class Color { private int red, green, blue; } Not only the file becomes more readable and easier to write, but it also helps ensuring that all the attributes are part of the equals / hashcode (in case you add another attribute later on, without updating the methods accordingly). I heard APT isn't very well supported in IDE but I wouldn't see that as a major issue. After all, tests are mainly run by continuous integration servers. Any idea if this has been done already and if not why ? Thanks

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• BDD on Rails - Is the community more behind Shoulda or RSpec?

  - by Wayne M

  For a new application I want to start dabbling in BDD and I'm trying to decide between using RSpec or Thoughtbot's Shoulda. I like the macros that Shoulda uses, and the fact that it doesn't seem to reinvent the way Ruby/Rails does testing, but simply provides an add-on. On the other hand, the macros seem like a bit too much "magic" instead of being explicit about what you're testing (however I know from dabbling that it's annoying to write a dozen "should be invalid without xxx" two-liners on a model). To be honest I find writing specifications/tests for models to be trivially and almost boringly easy, but I find writing them for controllers to be insanely difficult because I'm never sure exactly what I should be testing or how to write it. I'm iffy on the subject of mocking and stubbing since I think they give you false assumptions (since you can just tell it to think it has whatever data you need or to pretend that Method X was called) and I know that RSpec makes heavy use of both of them. I like the documentation that RSPec produces but I'm creating an application for sale, not to give to a client so the pretty documentation isn't that useful. I like Cucumber but it seems like overkill (and yes I know it can be used with Shoulda). At this point is the Rails community in favor of RSpec or Shoulda?

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• Unit test for Web Forms MVP presenter has a null Model

  - by jacksonakj

  I am using Web Forms MVP to write an DotNetNuke user control. When the 'SubmitContactUs' event is raised in my unit test the presenter attempts to set the 'Message' property on the Modal. However the View.Modal is null in the presenter. Shouldn't the Web Forms MVP framework automatically build a new View.Model object in the presenter? It could be that the 'Arrange' portion of my test is missing something that the presenter needs. Any help would be appreciated. Here is my test: using System; using AthleticHost.ContactUs.Core.Presenters; using AthleticHost.ContactUs.Core.Views; using Xunit; using Moq; namespace AthleticHost.ContactUs.Tests { public class ContactUsPresenterTests { [Fact] public void ContactUsPresenter_Sets_Message_OnSubmit() { // Arrange var view = new Mock<IContactUsView>(); var presenter = new ContactUsPresenter(view.Object); // Act view.Raise(v => v.Load += null, new EventArgs()); view.Raise(v => v.SubmitContactUs += null, new SubmitContactUsEventArgs("Chester", "Tester", "[email protected]", "http://www.test.com", "This is a test of the emergancy broadcast system...")); presenter.ReleaseView(); // Assert Assert.Contains("Chester Tester", view.Object.Model.Message); } } }

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• change custom mapping - sharp architecture/ fluent nhibernate

  - by csetzkorn

  I am using the sharp architecture which also deploys FNH. The db schema sql code is generated during the testing like this: [TestFixture] [Category("DB Tests")] public class MappingIntegrationTests { [SetUp] public virtual void SetUp() { string[] mappingAssemblies = RepositoryTestsHelper.GetMappingAssemblies(); configuration = NHibernateSession.Init( new SimpleSessionStorage(), mappingAssemblies, new AutoPersistenceModelGenerator().Generate(), "../../../../app/XXX.Web/NHibernate.config"); } [TearDown] public virtual void TearDown() { NHibernateSession.CloseAllSessions(); NHibernateSession.Reset(); } [Test] public void CanConfirmDatabaseMatchesMappings() { var allClassMetadata = NHibernateSession.GetDefaultSessionFactory().GetAllClassMetadata(); foreach (var entry in allClassMetadata) { NHibernateSession.Current.CreateCriteria(entry.Value.GetMappedClass(EntityMode.Poco)) .SetMaxResults(0).List(); } } /// <summary> /// Generates and outputs the database schema SQL to the console /// </summary> [Test] public void CanGenerateDatabaseSchema() { System.IO.TextWriter writeFile = new StreamWriter(@"d:/XXXSqlCreate.sql"); var session = NHibernateSession.GetDefaultSessionFactory().OpenSession(); new SchemaExport(configuration).Execute(true, false, false, session.Connection, writeFile); } private Configuration configuration; } I am trying to use: using FluentNHibernate.Automapping; using xxx.Core; using SharpArch.Data.NHibernate.FluentNHibernate; using FluentNHibernate.Automapping.Alterations; namespace xxx.Data.NHibernateMaps { public class x : IAutoMappingOverride<x> { public void Override(AutoMapping<Tx> mapping) { mapping.Map(x => x.text, "text").CustomSqlType("varchar(max)"); mapping.Map(x => x.url, "url").CustomSqlType("varchar(max)"); } } } To change the standard mapping of strings from NVARCHAR(255) to varchar(max). This is not picked up during the sql schema generation. I also tried: mapping.Map(x = x.text, "text").Length(100000); Any ideas? Thanks. Christian

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• EJB3Unit testing no-tx-datasource

  - by justastefan

  Hello, I am doing tests on an ejb3-project using ejb3unit http://ejb3unit.sourceforge.net/Session-Bean.html for testing. All my Services long for @PersistenceContext (UnitName=bla). I set up the ejb3unit.properties like this: ejb3unit_jndi.1.isSessionBean=true ejb3unit_jndi.1.jndiName=ejb/MyServiceBean ejb3unit_jndi.1.className=com.company.project.MyServiceBean everything works with the in-memory-database. So now i want additionally test another servicebean with @PersistenceContext (UnitName=noTxDatasource) that goes for a defined in my datasources.xml: <datasources> <local-tx-datasource> ... </local-tx-datasource> <no-tx-datasource> <jndi-name>noTxDatasource</jndi-name> <connection-url>...</connection-url> <driver-class>oracle.jdbc.OracleDriver</driver-class> <user-name>bla</user-name> <password>bla</password> </no-tx-datasource> </datasources> How do I tell ejb3unit to make this work: Object object = InitialContext.doLookup("java:/noTxDatasource"); if (object instanceof DataSource) { return ((DataSource) object).getConnection(); } else { return null; } Currently it fails saying: javax.NamingException: Cannot find the name (noTxDataSource) in the JNDI tree Current bindings: (ejb/MyServiceBean=com.company.project.MyServiceBean) How can I add this no-tx-datasource to the jndi bindings?

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• How does MSN filter spam?

  - by Marius

  I am trying to create a newsletter for our business. The last few days have been spent testing, and one of things I have noticed is that MSN seemingly randomly filters out some of my test messages. This is super-frustrating. I like the PEAR Mail MIME-package, and have been using that. I may send one email from one of our servers, resulting in the message getting through, and in the next minute, the same message sent from our other server ends up in the junk folder. Then if I add an attachment to the email, and the same message passes though the filter from the server that was previously blocked. I think. What the ####? Is this like throwing a dice, without me having any control over what is trash, and what isn't? I have sent email from several servers, all of which are shared. But I am unsure this is the problem. The problem is that it is seemingly random how MSN filters email. Some emails get through, and some other don't for seemingly irrational reasons. I am running out of ideas, but I am not giving up. Therefore I am writing to you for HARDCORE technical info on how MSN filters spam.

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• vsts load test datasource issues

  - by ashish.s

  Hello, I have a simple test using vsts load test that is using datasource. The connection string for the source is as follows <connectionStrings> <add name="MyExcelConn" connectionString="Driver={Microsoft Excel Driver (*.xls)};Dsn=Excel Files;dbq=loginusers.xls;defaultdir=.;driverid=790;maxbuffersize=4096;pagetimeout=20;ReadOnly=False" providerName="System.Data.Odbc" /> </connectionStrings> the datasource configuration is as follows and i am getting following error estError TestError 1,000 The unit test adapter failed to connect to the data source or to read the data. For more information on troubleshooting this error, see "Troubleshooting Data-Driven Unit Tests" (http://go.microsoft.com/fwlink/?LinkId=62412) in the MSDN Library. Error details: ERROR [42000] [Microsoft][ODBC Excel Driver] Cannot update. Database or object is read-only. ERROR [IM006] [Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed ERROR [42000] [Microsoft][ODBC Excel Driver] Cannot update. Database or object is read-only. I wrote a test, just to check if i could create an odbc connection would work and that works the test is as follows [TestMethod] public void TestExcelFile() { string connString = ConfigurationManager.ConnectionStrings["MyExcelConn"].ConnectionString; using (OdbcConnection con = new OdbcConnection(connString)) { con.Open(); System.Data.Odbc.OdbcCommand objCmd = new OdbcCommand("SELECT * FROM [loginusers$]"); objCmd.Connection = con; OdbcDataAdapter adapter = new OdbcDataAdapter(objCmd); DataSet ds = new DataSet(); adapter.Fill(ds); Assert.IsTrue(ds.Tables[0].Rows.Count > 1); } } any ideas ?

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