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[Library] iTunes library (#5)

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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>
This commit was merged in pull request #5.
This commit is contained in:
javier
2024-03-17 22:48:27 +00:00
committed by javier
parent 4359f53a19
commit 7c016b50d6
18 changed files with 850 additions and 3 deletions
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Libraries/iTunes/Test/Tests/Endpoints/GetReviewsAPIEndpointTests.swift
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//
// GetReviewsAPIEndpointTests.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 GetReviewsAPIEndpointTests: XCTestCase {
// MARK: Properties
private var input: GetReviewsAPIEndpoint.Input!
private var sut: GetReviewsAPIEndpoint!
// MARK: Setup
override func setUp() async throws {
sut = .init(
host: .iTunes,
decoder: .default,
session: .init(configuration: .mock)
)
}
// MARK: Functions tests
func testCallAsFunction_whenResponseOK_withOneReview() async throws {
// GIVEN
let reviews: [Review] = .one
input = .init(
appID: "1234567890",
countryCode: "abc"
)
MockURLProtocol.response = .init(
statusCode: 200,
object: Feed(entries: reviews)
)
// WHEN
let output = try await sut(input)
// THEN
XCTAssertFalse(output.reviews.isEmpty)
XCTAssertEqual(output.reviews, reviews)
}
func testCallAsFunction_whenResponseOK_withManyReviews() async throws {
// GIVEN
let reviews: [Review] = .many
input = .init(
appID: "1234567890",
countryCode: "abc"
)
MockURLProtocol.response = .init(
statusCode: 200,
object: Feed(entries: reviews)
)
// WHEN
let output = try await sut(input)
// THEN
XCTAssertFalse(output.reviews.isEmpty)
XCTAssertEqual(output.reviews, reviews)
}
func testCallAsFunction_whenResponseOK_withEmptyReviews() async throws {
// GIVEN
let reviews: [Review] = .empty
input = .init(
appID: "1234567890",
countryCode: "abc"
)
MockURLProtocol.response = .init(
statusCode: 200,
object: Feed(entries: reviews)
)
// WHEN
let output = try await sut(input)
// THEN
XCTAssertTrue(output.reviews.isEmpty)
XCTAssertEqual(output.reviews, reviews)
}
func testCallAsFunction_whenResponseNotOK() async throws {
// GIVEN
let statusCode = 404
input = .init(
appID: "1234567890",
countryCode: "abc"
)
MockURLProtocol.response = .init(statusCode: statusCode)
// WHEN
// THEN
do {
try await sut(input)
} catch EndpointError.requestFailed(statusCode: statusCode) {
XCTAssertTrue(true)
} catch {
XCTAssertTrue(false)
}
}
func testMakePath_withFilledInput() throws {
// GIVEN
input = .init(
appID: "1234567890",
countryCode: "abc"
)
// WHEN
let path = try sut.makePath(with: input)
// THEN
XCTAssertEqual(path, "/\(input.countryCode)/rss/customerreviews/id=\(input.appID)/sortby=mostrecent/json")
}
func testMakePath_withPartiallyFilledInput() throws {
// GIVEN
input = .init(
appID: .empty,
countryCode: "abc"
)
// WHEN
// THEN
XCTAssertThrowsError(try sut.makePath(with: input)) { error in
XCTAssertEqual(error as? EndpointError, .inputParametersEmpty)
}
}
func testMakePath_withEmptyInput() throws {
// GIVEN
input = .init(
appID: .empty,
countryCode: .empty
)
// WHEN
// THEN
XCTAssertThrowsError(try sut.makePath(with: input)) { error in
XCTAssertEqual(error as? EndpointError, .inputParametersEmpty)
}
}
}
Libraries/iTunes/Test/Tests/Services/iTunesServiceTests.swift
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//
// 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)
}
}
}