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Add tests to AirportListViewModel and remove UITest target
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Bruno Muniz Azevedo Filho
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Oct 9, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import XCTest | ||
| @testable import Airports | ||
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| final class AirportListViewModelTests: XCTestCase { | ||
| var sut: AirportListViewModel! | ||
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| override func tearDown() { | ||
| sut = nil | ||
| } | ||
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| override func setUpWithError() throws { | ||
| sut = AirportListViewModel() | ||
| } | ||
|
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| func testLoadAirportsWithData() { | ||
| sut.loadAirports(from: Airport.mockJSON.data(using: .utf8)!) | ||
| XCTAssertEqual(sut.items.count, 1) | ||
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| let sectionItem = sut.items[0] | ||
| XCTAssertEqual(sectionItem.airports.count, 1) | ||
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| let airport = sectionItem.airports[0] | ||
| XCTAssertEqual(airport.id, "CTF") | ||
| XCTAssertEqual(airport.isOpen, true) | ||
| XCTAssertEqual(airport.lat, 14.766667) | ||
| XCTAssertEqual(airport.continent, "NA") | ||
| XCTAssertEqual(airport.lon, -91.916664) | ||
| XCTAssertEqual(airport.type, "airport") | ||
| XCTAssertEqual(airport.name, "Coatepeque Airport") | ||
| XCTAssertEqual(airport.country, Country(iso: "GT", name: "Guatemala")) | ||
| } | ||
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| func testLoadAirportsWithEmptyData() { | ||
| let emptyData = "[]".data(using: .utf8)! | ||
| sut.loadAirports(from: emptyData) | ||
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| XCTAssertEqual(sut.items.count, 0) | ||
| } | ||
|
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| func testGetDataFromJSON() { | ||
| let data = try? sut.getDataFromJSON(bundle: MockBundle( | ||
| mockFileName: "mock_airports" | ||
| )) | ||
| XCTAssertNotNil(data) | ||
| } | ||
|
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| func testGetDataFromJSONFileNotFound() { | ||
| let bundle = MockBundle(mockFileName: "anything_else") | ||
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| XCTAssertThrowsError(try sut.getDataFromJSON(bundle: bundle)) { error in | ||
| XCTAssertEqual(error as? AirportListViewModelError, .fileNotFound) | ||
| } | ||
| } | ||
| } | ||
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| private class MockBundle: Bundle { | ||
| let mockFileName: String | ||
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| init(mockFileName: String) { | ||
| self.mockFileName = mockFileName | ||
| super.init() | ||
| } | ||
|
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| override func url(forResource name: String?, withExtension ext: String?) -> URL? { | ||
| Bundle(for: AirportListViewModelTests.self).url( | ||
| forResource: mockFileName, | ||
| withExtension: "json" | ||
| ) | ||
| } | ||
| } | ||
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| private extension Airport { | ||
| static let mockJSON = "[{\"iata\": \"CTF\", \"lon\": -91.916664, \"is_open\": true, \"name\": \"Coatepeque Airport\", \"continent\": \"NA\", \"type\": \"airport\", \"lat\": 14.766667, \"country\": {\"iso\": \"GT\", \"name\": \"Guatemala\"}}]" | ||
| } |
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