[Library] iTunes library (#5)

This PR contains the work done to implement the `iTunesService` service that fetches the reviews from the **Apple App Store**. Reviewed-on: rock-n-code/app-reviews#5 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
2024-03-17 22:48:27 +00:00
parent 4359f53a19
commit 7c016b50d6
18 changed files with 850 additions and 3 deletions
@@ -0,0 +1,108 @@
+//
+//  iTunesServiceTests.swift
+//  ReviewsiTunesTest
+//
+//  Created by Javier Cicchelli on 17/03/2024.
+//  Copyright © 2024 Röck+Cöde VoF. All rights reserved.
+//
+
+import ReviewsFeedKit
+import ReviewsFoundationKit
+import XCTest
+
+@testable import ReviewsiTunesKit
+
+final class iTunesServiceTests: XCTestCase {
+    
+    // MARK: Properties
+    private var sut: iTunesService!
+    
+    // MARK: Setup
+    override func setUp() async throws {
+        sut = .init(configuration: .init(session: .mock))
+    }
+    
+    // MARK: Functions
+    func testGetReviews_whenResponseOK_withOneReview() async throws {
+        // GIVEN
+        let reviews: [Review] = .one
+        
+        MockURLProtocol.response = .init(
+            statusCode: 200,
+            object: Feed(entries: reviews)
+        )
+        
+        // WHEN
+        let output = try await sut.getReviews(.init(
+            appID: "1234567890",
+            countryCode: "abc"
+        ))
+        
+        // THEN
+        XCTAssertFalse(output.reviews.isEmpty)
+        XCTAssertEqual(output.reviews.count, reviews.count)
+        XCTAssertEqual(output.reviews, reviews)
+    }
+    
+    func testGetReviews_whenResponseOK_withManyReview() async throws {
+        // GIVEN
+        let reviews: [Review] = .many
+        
+        MockURLProtocol.response = .init(
+            statusCode: 200,
+            object: Feed(entries: reviews)
+        )
+        
+        // WHEN
+        let output = try await sut.getReviews(.init(
+            appID: "1234567890",
+            countryCode: "abc"
+        ))
+        
+        // THEN
+        XCTAssertFalse(output.reviews.isEmpty)
+        XCTAssertEqual(output.reviews.count, reviews.count)
+        XCTAssertEqual(output.reviews, reviews)
+    }
+    
+    func testGetReviews_whenResponseOK_withEmptyReview() async throws {
+        // GIVEN
+        let reviews: [Review] = .empty
+        
+        MockURLProtocol.response = .init(
+            statusCode: 200,
+            object: Feed(entries: reviews)
+        )
+        
+        // WHEN
+        let output = try await sut.getReviews(.init(
+            appID: "1234567890",
+            countryCode: "abc"
+        ))
+        
+        // THEN
+        XCTAssertTrue(output.reviews.isEmpty)
+        XCTAssertEqual(output.reviews, reviews)
+    }
+    
+    func testGetReviews_whenResponseNotOK() async throws {
+        // GIVEN
+        let statusCode = 404
+
+        MockURLProtocol.response = .init(statusCode: statusCode)
+        
+        // WHEN
+        // THEN
+        do {
+            try await sut.getReviews(.init(
+                appID: "1234567890",
+                countryCode: "abc"
+            ))
+        } catch EndpointError.requestFailed(statusCode: statusCode) {
+            XCTAssertTrue(true)
+        } catch {
+            XCTAssertTrue(false)
+        }
+    }
+    
+}