Fix sample app, add unit test for tags

Mobile Buy SDK Sample Apps/Sample App Advanced/Mobile Buy SDK Advanced Sample/Product View/ProductViewController.m

@@ -269,7 +269,7 @@ CGFloat const BUYMaxProductViewHeight = 640.0;
 		[self.navigationController setNavigationBarHidden:NO];
 	}
 	
-	if (self.product.publicURL) {
+	if (self.URLForSharing) {
 		UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(shareLink)];
 		NSArray *rightButtons = [@[rightButton] arrayByAddingObjectsFromArray:self.navigationItem.rightBarButtonItems];
 		self.navigationItem.rightBarButtonItems = rightButtons;
@@ -584,7 +584,8 @@ CGFloat const BUYMaxProductViewHeight = 640.0;
 
 - (NSURL *)URLForSharing
 {
-	return self.product.publicURL;
+    NSString *urlString = [NSString stringWithFormat:@"%@/products/%@",self.shop.domain, self.product.handle];
+	return [NSURL URLWithString:urlString];
 }
 
 - (UIImage *)ImageForSharing

Mobile Buy SDK Sample Apps/Sample App Advanced/Mobile Buy SDK Advanced Sample/ProductListViewController.m

@@ -162,7 +162,7 @@
 {
     [self.collectionOperation cancel];
     [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
-    self.collectionOperation = [self.client getProductsPage:1 inCollection:self.collection.identifier sortOrder:collectionSort completion:^(NSArray *products, NSUInteger page, BOOL reachedEnd, NSError *error) {
+    self.collectionOperation = [self.client getProductsPage:1 withTags:nil inCollection:self.collection.identifier sortOrder:collectionSort completion:^(NSArray *products, NSUInteger page, BOOL reachedEnd, NSError *error) {
         [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
         
         if (error == nil && products) {

Mobile Buy SDK/Mobile Buy SDK Tests/BUYClient+StorefrontTests.m

@@ -308,4 +308,21 @@
 	}];
 }
 
+- (void)testGettingTags
+{
+	XCTestExpectation *expectation = [self expectationWithDescription:NSStringFromSelector(_cmd)];
+	
+	[self.client getProductTagsPage:1 completion:^(NSArray *tags, NSUInteger page, BOOL end, NSError *error){
+		
+		XCTAssertNil(error);
+		XCTAssertNotNil(tags);
+		
+		[expectation fulfill];
+	}];
+	
+	[self waitForExpectationsWithTimeout:10 handler:^(NSError *error) {
+		XCTAssertNil(error);
+	}];
+}
+
 @end