Migrate CoreDataFeedImageDataStoreTests to new async API

Author: caiozullo

EssentialFeed/EssentialFeedTests/Feed Cache/CoreDataFeedImageDataStoreTests.swift

@@ -8,45 +8,42 @@ import EssentialFeed
 @MainActor
 class CoreDataFeedImageDataStoreTests: XCTestCase, FeedImageDataStoreSpecs {
 
-	func test_retrieveImageData_deliversNotFoundWhenEmpty() throws {
-		try makeSUT { sut, imageDataURL in
+	func test_retrieveImageData_deliversNotFoundWhenEmpty() async throws {
+		try await makeSUT { sut, imageDataURL in
 			assertThatRetrieveImageDataDeliversNotFoundOnEmptyCache(on: sut, imageDataURL: imageDataURL)
 		}
 	}
 
-	func test_retrieveImageData_deliversNotFoundWhenStoredDataURLDoesNotMatch() throws {
-		try makeSUT { sut, imageDataURL in
+	func test_retrieveImageData_deliversNotFoundWhenStoredDataURLDoesNotMatch() async throws {
+		try await makeSUT { sut, imageDataURL in
 			assertThatRetrieveImageDataDeliversNotFoundWhenStoredDataURLDoesNotMatch(on: sut, imageDataURL: imageDataURL)
 		}
 	}
 
-	func test_retrieveImageData_deliversFoundDataWhenThereIsAStoredImageDataMatchingURL() throws {
-		try makeSUT { sut, imageDataURL in
+	func test_retrieveImageData_deliversFoundDataWhenThereIsAStoredImageDataMatchingURL() async throws {
+		try await makeSUT { sut, imageDataURL in
 			assertThatRetrieveImageDataDeliversFoundDataWhenThereIsAStoredImageDataMatchingURL(on: sut, imageDataURL: imageDataURL)
 		}
 	}
 
-	func test_retrieveImageData_deliversLastInsertedValue() throws {
-		try makeSUT { sut, imageDataURL in
+	func test_retrieveImageData_deliversLastInsertedValue() async throws {
+		try await makeSUT { sut, imageDataURL in
 			assertThatRetrieveImageDataDeliversLastInsertedValueForURL(on: sut, imageDataURL: imageDataURL)
 		}
 	}
 
 	// - MARK: Helpers
 
-	private func makeSUT(_ test: @Sendable @escaping (CoreDataFeedStore, URL) -> Void, file: StaticString = #filePath, line: UInt = #line) throws {
+	private func makeSUT(_ test: @Sendable @escaping (CoreDataFeedStore, URL) -> Void, file: StaticString = #filePath, line: UInt = #line) async throws {
 		let storeURL = URL(fileURLWithPath: "/dev/null")
 		let sut = try CoreDataFeedStore(storeURL: storeURL)
 		trackForMemoryLeaks(sut, file: file, line: line)
 
-		let exp = expectation(description: "wait for operation")
-		sut.perform {
+		await sut.perform {
 			let imageDataURL = URL(string: "http://a-url.com")!
 			insertFeedImage(with: imageDataURL, into: sut, file: file, line: line)
 			test(sut, imageDataURL)
-			exp.fulfill()
 		}
-		wait(for: [exp], timeout: 0.1)
 	}
 
 }

EssentialFeed/EssentialFeedTests/Feed Cache/FeedImageDataStoreSpecs/FeedImageDataStoreSpecs.swift

@@ -5,8 +5,8 @@
 import Foundation
 
 protocol FeedImageDataStoreSpecs {
-	func test_retrieveImageData_deliversNotFoundWhenEmpty() throws
-	func test_retrieveImageData_deliversNotFoundWhenStoredDataURLDoesNotMatch() throws
-	func test_retrieveImageData_deliversFoundDataWhenThereIsAStoredImageDataMatchingURL() throws
-	func test_retrieveImageData_deliversLastInsertedValue() throws
+	func test_retrieveImageData_deliversNotFoundWhenEmpty() async throws
+	func test_retrieveImageData_deliversNotFoundWhenStoredDataURLDoesNotMatch() async throws
+	func test_retrieveImageData_deliversFoundDataWhenThereIsAStoredImageDataMatchingURL() async throws
+	func test_retrieveImageData_deliversLastInsertedValue() async throws
 }