Merge pull request #12 from jspahrsummers/unit-tests

[WIP] Unit tests

GroceryList.xcodeproj/project.pbxproj

@@ -30,6 +30,7 @@
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 		D0D60F2F1839FEDB00C09998 /* GCYGroceryListViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = D0D60F2E1839FEDB00C09998 /* GCYGroceryListViewController.m */; };
 		D0D60F35183A09E500C09998 /* GCYGroceryItemCell.m in Sources */ = {isa = PBXBuildFile; fileRef = D0D60F34183A09E500C09998 /* GCYGroceryItemCell.m */; };
+		D0E35A6F1867CC1C00B3E6B9 /* GCYGroceryStoreSpec.m in Sources */ = {isa = PBXBuildFile; fileRef = D0E35A6E1867CC1C00B3E6B9 /* GCYGroceryStoreSpec.m */; };
 		D0EE249E1839AAC800F251AF /* libHockeySDK.a in Frameworks */ = {isa = PBXBuildFile; fileRef = D0EE24971839AAB300F251AF /* libHockeySDK.a */; };
 		D0EE24A01839AAD300F251AF /* CrashReporter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D0EE249F1839AAD300F251AF /* CrashReporter.framework */; };
 		D0EE24A21839AADB00F251AF /* CoreText.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D0EE24A11839AADB00F251AF /* CoreText.framework */; };
@@ -500,6 +501,7 @@
 		D0D60F2E1839FEDB00C09998 /* GCYGroceryListViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GCYGroceryListViewController.m; sourceTree = "<group>"; };
 		D0D60F33183A09E500C09998 /* GCYGroceryItemCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = GCYGroceryItemCell.h; sourceTree = "<group>"; };
 		D0D60F34183A09E500C09998 /* GCYGroceryItemCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GCYGroceryItemCell.m; sourceTree = "<group>"; };
+		D0E35A6E1867CC1C00B3E6B9 /* GCYGroceryStoreSpec.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GCYGroceryStoreSpec.m; sourceTree = "<group>"; };
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 		D0EE249F1839AAD300F251AF /* CrashReporter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CrashReporter.framework; path = "External/HockeySDK-iOS/Vendor/CrashReporter.framework"; sourceTree = "<group>"; };
 		D0EE24A11839AADB00F251AF /* CoreText.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreText.framework; path = Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk/System/Library/Frameworks/CoreText.framework; sourceTree = DEVELOPER_DIR; };
@@ -970,6 +972,7 @@
 			isa = PBXGroup;
 			children = (
 				D0F4BE0618396F62004A318B /* GCYGroceryItemSpec.m */,
+				D0E35A6E1867CC1C00B3E6B9 /* GCYGroceryStoreSpec.m */,
 			);
 			name = Specs;
 			sourceTree = "<group>";
@@ -1527,6 +1530,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D0E35A6F1867CC1C00B3E6B9 /* GCYGroceryStoreSpec.m in Sources */,
 				D0F4BE0718396F62004A318B /* GCYGroceryItemSpec.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

GroceryList/GCYGroceryStore.h

@@ -13,6 +13,8 @@
 @property (nonatomic, copy, readonly) NSString *name;
 
 // Instantiates a `GCYGroceryStore` based on a tree entry in a repository.
+//
+// TODO: Put this into a category on OCTTreeEntry instead.
 + (RACSignal *)groceryStoreWithTreeEntry:(OCTTreeEntry *)entry;
 
 // Builds a tree entry with a grocery store and a SHA that points to the desired

GroceryListTests/GCYGroceryItemSpec.m

@@ -7,11 +7,54 @@
 //
 
 #import "GCYGroceryItem.h"
+#import "GCYGroceryStore.h"
 
 SpecBegin(GCYGroceryItem)
 
-it(@"should fail", ^{
-	expect(YES).to.beFalsy();
+__block GCYGroceryStore *store;
+
+__block NSString *list;
+__block NSSet *items;
+
+beforeEach(^{
+	store = [GCYGroceryStore modelWithDictionary:@{
+		@"name": @"Friendly Neighborhood Grocery Store",
+	} error:NULL];
+
+	list = @"~Crackers~\nBread\nPeanut butter";
+	items = [NSSet setWithArray:@[
+		[GCYGroceryItem modelWithDictionary:@{
+			@"name": @"Bread",
+			@"stores": [NSSet setWithObject:store],
+			@"inCart": @NO
+		} error:NULL],
+
+		[GCYGroceryItem modelWithDictionary:@{
+			@"name": @"Crackers",
+			@"stores": [NSSet setWithObject:store],
+			@"inCart": @YES
+		} error:NULL],
+
+		[GCYGroceryItem modelWithDictionary:@{
+			@"name": @"Peanut butter",
+			@"stores": [NSSet setWithObject:store],
+			@"inCart": @NO
+		} error:NULL],
+	]];
+});
+
+it(@"should parse a list of items", ^{
+	// Verify that a trailing newline doesn't affect the list contents.
+	list = [list stringByAppendingString:@"\n"];
+
+	NSArray *parsedItems = [[GCYGroceryItem groceryItemsWithString:list store:store] array];
+	expect(parsedItems).notTo.beNil();
+	expect([NSSet setWithArray:parsedItems]).to.equal(items);
+});
+
+it(@"should serialize items into a list", ^{
+	NSString *serializedList = [[GCYGroceryItem stringWithGroceryItems:items] first];
+	expect(serializedList).to.equal(list);
 });
 
 SpecEnd

GroceryListTests/GCYGroceryStoreSpec.m

@@ -0,0 +1,44 @@
+//
+//  GCYGroceryStoreSpec.m
+//  GroceryList
+//
+//  Created by Justin Spahr-Summers on 2013-12-22.
+//  Copyright (c) 2013 Justin Spahr-Summers. All rights reserved.
+//
+
+#import "GCYGroceryStore.h"
+
+SpecBegin(GCYGroceryStore)
+
+NSString *blobSHA = @"deadbeef";
+
+__block OCTTreeEntry *entry;
+__block GCYGroceryStore *store;
+
+beforeEach(^{
+	entry = [OCTTreeEntry modelWithDictionary:@{
+		@"path": @"Neighborhood Store",
+		@"type": @(OCTTreeEntryTypeBlob),
+		@"mode": @(OCTTreeEntryModeFile),
+		@"SHA": blobSHA
+	} error:NULL];
+
+	store = [GCYGroceryStore modelWithDictionary:@{
+		@"name": @"Neighborhood Store",
+	} error:NULL];
+
+	expect(entry).notTo.beNil();
+	expect(store).notTo.beNil();
+});
+
+it(@"should instantiate from a tree entry", ^{
+	GCYGroceryStore *createdStore = [[GCYGroceryStore groceryStoreWithTreeEntry:entry] first];
+	expect(createdStore).to.equal(store);
+});
+
+it(@"should create a tree entry with a given SHA", ^{
+	OCTTreeEntry *createdEntry = [[store treeEntryWithBlobSHA:blobSHA] first];
+	expect(createdEntry).to.equal(entry);
+});
+
+SpecEnd