Add basic tests

Info.plist

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>xcproj</string>
 	<key>CFBundleIdentifier</key>
-	<string>ch.pitaya.xcproj</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>

Tests/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

Tests/Tests.m

@@ -0,0 +1,60 @@
+//
+//  Created by Cédric Luthi on 06/04/16.
+//  Copyright © 2016 Cédric Luthi. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface Tests : XCTestCase
+
+@property NSArray *xcodeURLs;
+
+@end
+
+@implementation Tests
+
+- (void) run:(NSArray *)arguments expectedResult:(NSString *)expectedResult
+{
+	NSString *builtProductsDir = NSProcessInfo.processInfo.environment[@"BUILT_PRODUCTS_DIR"];
+	NSString *projectDir = NSProcessInfo.processInfo.environment[@"PROJECT_DIR"];
+	for (NSURL *xcodeURL in self.xcodeURLs)
+	{
+		NSTask *xcproj = [NSTask new];
+		xcproj.launchPath = [builtProductsDir stringByAppendingPathComponent:@"xcproj"];
+		xcproj.arguments = arguments;
+		xcproj.environment = @{ @"XCPROJ_XCODE_APP_PATH": xcodeURL.path };
+		xcproj.currentDirectoryPath = [projectDir stringByAppendingPathComponent:@"Sandbox"];;
+		xcproj.standardOutput = [NSPipe new];
+		printf("%s\n", [NSString stringWithFormat:@"env XCPROJ_XCODE_APP_PATH=%@ %@ %@", xcproj.environment[@"XCPROJ_XCODE_APP_PATH"], xcproj.launchPath, [xcproj.arguments componentsJoinedByString:@" "]].UTF8String);
+		[xcproj launch];
+		[xcproj waitUntilExit];
+
+		NSData *outputData = [[xcproj.standardOutput fileHandleForReading] readDataToEndOfFile];
+		NSString *result = [[[NSString alloc] initWithData:outputData encoding:NSUTF8StringEncoding] stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
+		printf("%s\n", result.UTF8String);
+
+		XCTAssertEqual(xcproj.terminationStatus, 0);
+		XCTAssertEqualObjects(result, expectedResult);
+	}
+}
+
+- (void) setUp
+{
+	self.xcodeURLs = CFBridgingRelease(LSCopyApplicationURLsForBundleIdentifier(CFSTR("com.apple.dt.Xcode"), NULL));
+	XCTAssertTrue(self.xcodeURLs.count > 0);
+}
+
+- (void) testReadBuildSetting
+{
+	[self run:@[ @"--target", @"Sandbox",                                 @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"YES"];
+	[self run:@[ @"--target", @"Sandbox", @"--configuration", @"Debug",   @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"NO"];
+	[self run:@[ @"--target", @"Sandbox", @"--configuration", @"Release", @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"YES"];
+	[self run:@[                                                          @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"YES"];
+	[self run:@[                          @"--configuration", @"Debug",   @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"YES"];
+	[self run:@[                          @"--configuration", @"Release", @"read-build-setting", @"COPY_PHASE_STRIP"] expectedResult:@"YES"];
+
+	[self run:@[ @"--target", @"Sandbox", @"read-build-setting", @"CURRENT_PROJECT_VERSION"] expectedResult:@"1.2.3"];
+	[self run:@[                          @"read-build-setting", @"CURRENT_PROJECT_VERSION"] expectedResult:@"1.2.3"];
+}
+
+@end