Initial pass with diffing fixtures

2026-04-07 19:17:39 +00:00 · 2017-06-30 11:33:18 -07:00
parent 58641a85ab
commit 3aee5adc7d
21 changed files with 1191 additions and 2 deletions
@@ -0,0 +1,106 @@
+//
+//  ASDKDiffingTests.m
+//  ASDKDiffingTests
+//
+//  Created by Adlai Holler on 6/20/17.
+//
+//
+
+#import <XCTest/XCTest.h>
+#import "ASTestCase.h"
+#import "ASDKDiffingFixtures.h"
+#import <AsyncDisplayKit/AsyncDisplayKit.h>
+#import <OCMock/OCMock.h>
+
+@interface ASDKDiffingTests : ASTestCase
+
+@end
+
+@implementation ASDKDiffingTests {
+  ASCollectionNode *collectionNode;
+  UIWindow *window;
+  id mockDataSource;
+  NSMutableArray<ASTSection *> *sections;
+}
+
+- (void)setUp {
+  [super setUp];
+  [ASTViewModel reset];
+  sections = [NSMutableArray array];
+  
+  collectionNode = [[ASCollectionNode alloc] initWithCollectionViewLayout:[UICollectionViewFlowLayout new]];
+  mockDataSource = OCMStrictProtocolMock(@protocol(ASCollectionModernDataSource));
+  collectionNode.modernDataSource = mockDataSource;
+  window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
+  UIViewController *vc = [[UIViewController alloc] init];
+  collectionNode.view.frame = vc.view.bounds;
+  collectionNode.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+  [vc.view addSubnode:collectionNode];
+  window.rootViewController = vc;
+  [window makeKeyAndVisible];
+}
+
+- (void)testThatFixturesWork
+{
+	ASTSection *s1 = [ASTSection new];
+	ASTSection *s1_2 = [s1 viewModelByUpdating];
+  s1.debugName = @"Hello";
+	ASTSection *s2 = [ASTSection new];
+	ASTItem *i1 = [ASTItem new];
+	
+  // -setDebugName works
+	XCTAssertEqualObjects(s1.debugName, @"Hello");
+  // debugName shared between versions even if set after
+	XCTAssertEqualObjects(s1_2.debugName, s1.debugName);
+  // identifier starts at 0
+	XCTAssertEqual(s1.identifier, 0);
+  // identifier incs each new object
+	XCTAssertEqual(s2.identifier, 1);
+  // identifier global between classes
+	XCTAssertEqual(i1.identifier, 2);
+  // identifier shared between versions
+	XCTAssertEqual(s1_2.identifier, s1.identifier);
+  // contents inc each new object
+	XCTAssertEqual(s1_2.contents, s1.contents + 1);
+  // contents global between classes
+  XCTAssertEqual(i1.contents, 3);
+}
+
+- (void)testInitialDataLoad
+{
+  NSMapTable<ASTSection *, id> *sectionToCtrl = [NSMapTable weakToWeakObjectsMapTable];
+  
+  // It gathers section view models.
+  OCMExpect([mockDataSource sectionViewModelsForCollectionNode:collectionNode])
+  .andReturn(sections);
+  
+  // It gathers section controllers for each model.
+  __auto_type sectionControllers = [NSMutableArray array];
+  for (ASTSection *sectionModel in sections) {
+    ASTSectionCtrl *ctrl = OCMPartialMock([ASTSectionCtrl new]);
+    [sectionControllers addObject:ctrl];
+    
+    [sectionToCtrl setObject:ctrl forKey:sectionModel];
+    OCMExpect([mockDataSource collectionNode:collectionNode controllerForSection:sectionModel])
+    .andReturn(ctrl);
+  }
+  
+  // For each section model
+  for (ASTSection *sectionModel in sectionToCtrl) {
+    id mockCtrl = [sectionToCtrl objectForKey:sectionModel];
+    
+    // It sets the new view model to the section controller
+    OCMExpect([mockCtrl setViewModel:sectionModel])
+    .andForwardToRealObject();
+    
+    // It fetches a new array of item view models
+    OCMExpect([mockCtrl generateItemViewModels])
+    .andForwardToRealObject();
+  }
+  
+  [window layoutIfNeeded];
+}
+
+
+@end
+