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copied!<p>This problem was driving me crazy, but I was able to get <code>NSLocalizedString</code> to behave.</p> <p>zoul was right, if you print the mainBundle to the console in a logic test, it's not the same bundle that contains your Localizable.strings file. You need to conditionally redefine <code>NSLocalizedString</code> whenever you run your unit tests. I did it in the following steps:</p> <ol> <li>We need a way to tell when we're in our logic tests target, so add something like LOGIC_TESTS to your logic tests target's <code>Preprocessor Macros</code> build setting.</li> <li><p>There's only 1 place in my code where I need to redefine <code>NSLocalizedString</code>, so I was able to place the following code in the header corresponding to that class. If you're having this problem in multiple places, I'd suggest putting the following code in a header and <code>#include</code>-ing it where you need it (I tried using a .pch file but it doesn't work in Logic Tests). Anyway, place this somewhere in the header of class(es) that use <code>NSLocalizedString</code>:</p> <pre><code>#ifdef LOGIC_TESTS #undef NSLocalizedString #define NSLocalizedString(key, comment) [[NSBundle bundleWithIdentifier:@"YOUR_IDENTIFIER"] localizedStringForKey:(key) value:@"" table:nil] #endif </code></pre></li> </ol> <p>Replace <code>YOUR_IDENTIFIER</code> with the Bundle Identifier of your app's bundle (found in your <code>Info.plist</code> file, key is <code>CFBundleIdentifier</code>). This assumes that you've defined <code>LOGIC_TESTS</code> as a preprocessor macro <em>only</em> in your Logic Tests target.</p> <p><strong>edit:</strong> Curiously, once I removed some debugging code this solution stopped working. It looks like you have to trick Xcode into loading the bundle as well. The following does it:</p> <pre><code>NSString *path = @"path_to_main_bundle"; NSBundle *bundle = [NSBundle bundleWithPath:path]; NSLog(@"bundles: %@", [NSBundle allBundles]); </code></pre> <p>Where <code>path_to_main_bundle</code> is <code>== [[NSBundle mainBundle] bundlePath]</code> when you run your main target. Just log it once in gdb or using <code>NSLog</code> on your app delegate to grab the path. It should look something like <code>/Users/YOUR_USER_NAME/Library/Application Support/iPhone Simulator/4.1/Applications/UUID_LOTS_OF_LETTERS_AND_NUMBERS_HERE/App.app</code>.</p> <p>I placed that code in the setUp call for one of my logic test classes. And no, I have no idea why I have to log allBundles to make it work, so anyone who has a clue, please let me know!</p>

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