Refactor test, replace 70 test functions with just one

Author: CosynPa

TZStackViewTests/TZStackViewTestCase.swift

@@ -26,23 +26,36 @@ class TZStackViewTestCase: XCTestCase {
 
     override func setUp() {
         super.setUp()
+        recreateStackViews()
+    }
+    
+    override func tearDown() {
+        super.tearDown()
+    }
+
+    func recreateStackViews() {
+        // clean old views otherwise some old spacer views and constraints are left
+        if uiStackView != nil {
+            uiStackView.removeFromSuperview()
+        }
+        
+        if tzStackView != nil {
+            tzStackView.removeFromSuperview()
+        }
+        
         // Create stack views with same views
         uiStackView = UIStackView(arrangedSubviews: createTestViews())
         uiStackView.translatesAutoresizingMaskIntoConstraints = false
         tzStackView = TZStackView(arrangedSubviews: createTestViews())
         tzStackView.translatesAutoresizingMaskIntoConstraints = false
-
+        
         let window = UIApplication.sharedApplication().windows[0]
         window.addSubview(uiStackView)
         window.addSubview(tzStackView)
-
+        
         configureStackViews(uiStackView, tzStackView)
     }
 
-    override func tearDown() {
-        super.tearDown()
-    }
-
     func logAllConstraints() {
         print("================= UISTACKVIEW (\(uiStackView.constraints.count)) =================")
         print("subviews: \(uiStackView.subviews)")
@@ -74,7 +87,9 @@ class TZStackViewTestCase: XCTestCase {
 
     func verifyConstraints(log log: Bool = false) {
         // Force constraints to be created
+        uiStackView.updateConstraintsIfNeeded()
         uiStackView.layoutIfNeeded()
+        tzStackView.updateConstraintsIfNeeded()
         tzStackView.layoutIfNeeded()
 
         if log {