Restructured every test case to follow the same GIVEN?WHEN/THEN structure with backticked, descriptive test names.

Tests/AmiiboService/Cases/Internal/Transcoders/ISODateTimeTranscoderTests.swift

@@ -25,8 +25,8 @@ struct ISODateTimeTranscoderTests {
 
     // MARK: Decode tests
 
-    @Test("decodes a timestamp as UTC")
+    @Test
-    func decodesTimestamp() throws {
+    func `decodes a timestamp as UTC`() throws {
         // GIVEN
         let string = "2026-07-24T12:34:56.123000"
 
@@ -37,8 +37,8 @@ struct ISODateTimeTranscoderTests {
         #expect(abs(date.timeIntervalSince(.utc(2026, 7, 24, 12, 34, 56)) - 0.123) < 0.001)
     }
 
-    @Test("decodes a date-only string as midnight UTC")
+    @Test
-    func decodesDate() throws {
+    func `decodes a date-only string as midnight UTC`() throws {
         // GIVEN
         let string = "2014-11-21"
 
@@ -49,10 +49,10 @@ struct ISODateTimeTranscoderTests {
         #expect(date == .utc(2014, 11, 21))
     }
 
-    @Test("throws a decoding error for an unsupported string", arguments: [
+    @Test(arguments: [
         "", "2014-11", "2014-11-21T12:34:56", "2014-11-21T12:34:56Z", "21/11/2014", "yesterday"
     ])
-    func throwsForUnsupportedString(string: String) {
+    func `throws a decoding error for an unsupported string`(string: String) {
         // GIVEN
         // WHEN
         // THEN
@@ -63,8 +63,8 @@ struct ISODateTimeTranscoderTests {
 
     // MARK: Encode tests
 
-    @Test("encodes a date as a timestamp")
+    @Test
-    func encodesTimestamp() throws {
+    func `encodes a date as a timestamp`() throws {
         // GIVEN
         let date: Date = .utc(2026, 7, 24, 12, 34, 56)
 

Tests/AmiiboService/Cases/Public/Clients/AmiiboLiveClientTests.swift

@@ -22,8 +22,8 @@ struct AmiiboLiveClientTests {
     
     // MARK: Server URL tests
     
-    @Test("resolves the server URL defined in the OpenAPI specification")
+    @Test
-    func serverURLResolves() throws {
+    func `resolves the server URL defined in the OpenAPI specification`() throws {
         // GIVEN
         // WHEN
         let url = try Servers.Server1.url()
@@ -32,8 +32,8 @@ struct AmiiboLiveClientTests {
         #expect(url.absoluteString == "https://www.amiiboapi.org/api")
     }
     
-    @Test("uses the server URL from the OpenAPI specification")
+    @Test
-    func serverURLMatchesSpecification() throws {
+    func `uses the server URL from the OpenAPI specification`() throws {
         // GIVEN
         let expected = try Servers.Server1.url()
         
@@ -46,14 +46,11 @@ struct AmiiboLiveClientTests {
 
     // MARK: Error mapping tests
 
-    @Test(
+    @Test(arguments: zip(
-        "maps an error thrown by the transport to the matching service error",
+        TransportErrors.thrown,
-        arguments: zip(
+        TransportErrors.expected
-            TransportErrors.thrown,
+    ))
-            TransportErrors.expected
+    func `maps an error thrown by the transport to the matching service error`(
-        )
-    )
-    func mapsTransportError(
         thrown: any Error,
         expected: AmiiboServiceError
     ) async {
@@ -67,14 +64,11 @@ struct AmiiboLiveClientTests {
         }
     }
 
-    @Test(
+    @Test(arguments: zip(
-        "maps a response status to the matching service error",
+        Responses.failing,
-        arguments: zip(
+        Responses.expected
-            Responses.failing,
+    ))
-            Responses.expected
+    func `maps a response status to the matching service error`(
-        )
-    )
-    func mapsResponseStatus(
         response: (status: Int, json: String?),
         expected: AmiiboServiceError
     ) async {
@@ -93,8 +87,8 @@ struct AmiiboLiveClientTests {
 
     // MARK: Get Amiibos tests
 
-    @Test("returns amiibos sorted by identifier")
+    @Test
-    func getAmiibosSorted() async throws {
+    func `returns amiibos sorted by identifier`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiibos))
 
@@ -106,8 +100,8 @@ struct AmiiboLiveClientTests {
         #expect(amiibos.map(\.name) == ["Mario", "Zelda"])
     }
 
-    @Test("returns a single amiibo when the response holds an object")
+    @Test
-    func getAmiibosSingle() async throws {
+    func `returns a single amiibo when the response holds an object`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiibo))
 
@@ -128,8 +122,8 @@ struct AmiiboLiveClientTests {
         #expect(amiibo.platform == nil)
     }
 
-    @Test("returns no amiibos when the response holds null")
+    @Test
-    func getAmiibosNull() async throws {
+    func `returns no amiibos when the response holds null`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiibosNull))
 
@@ -140,8 +134,8 @@ struct AmiiboLiveClientTests {
         #expect(amiibos.isEmpty)
     }
 
-    @Test("returns no amiibos when the response holds an empty list")
+    @Test
-    func getAmiibosEmpty() async throws {
+    func `returns no amiibos when the response holds an empty list`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiibosEmpty))
 
@@ -152,8 +146,8 @@ struct AmiiboLiveClientTests {
         #expect(amiibos.isEmpty)
     }
 
-    @Test("decodes release dates as midnight UTC, and missing or null ones as nil")
+    @Test
-    func getAmiibosRelease() async throws {
+    func `decodes release dates as midnight UTC, and missing or null ones as nil`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiibos))
 
@@ -171,8 +165,8 @@ struct AmiiboLiveClientTests {
         #expect(zelda.release.japan == nil)
     }
 
-    @Test("maps related games and usages into the platform")
+    @Test
-    func getAmiibosPlatform() async throws {
+    func `maps related games and usages into the platform`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.amiiboWithGames))
 
@@ -192,8 +186,8 @@ struct AmiiboLiveClientTests {
         #expect(platform.wiiU.first?.usages == nil)
     }
 
-    @Test("encodes the amiibo filter as query parameters")
+    @Test
-    func getAmiibosQuery() async throws {
+    func `encodes the amiibo filter as query parameters`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             let path = request.path ?? ""
@@ -229,8 +223,8 @@ struct AmiiboLiveClientTests {
         ))
     }
 
-    @Test("omits nil filter values from the query")
+    @Test
-    func getAmiibosEmptyQuery() async throws {
+    func `omits nil filter values from the query`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/amiibo")
@@ -245,8 +239,8 @@ struct AmiiboLiveClientTests {
 
     // MARK: Key-name endpoints tests
 
-    @Test("returns amiibo series sorted by key")
+    @Test
-    func getAmiiboSeriesSorted() async throws {
+    func `returns amiibo series sorted by key`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .ok, json: JSON.keyNameList))
 
@@ -257,8 +251,8 @@ struct AmiiboLiveClientTests {
         #expect(series == [.init(key: "0x00", name: "Second"), .init(key: "0x01", name: "First")])
     }
 
-    @Test("returns a single amiibo series when the response holds an object")
+    @Test
-    func getAmiiboSeriesSingle() async throws {
+    func `returns a single amiibo series when the response holds an object`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/amiiboseries?key=0x01")
@@ -273,8 +267,8 @@ struct AmiiboLiveClientTests {
         #expect(series == [.init(key: "0x01", name: "First")])
     }
 
-    @Test("returns amiibo types sorted by key")
+    @Test
-    func getAmiiboTypesSorted() async throws {
+    func `returns amiibo types sorted by key`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/type")
@@ -289,8 +283,8 @@ struct AmiiboLiveClientTests {
         #expect(types == [.init(key: "0x00", name: "Second"), .init(key: "0x01", name: "First")])
     }
 
-    @Test("returns game characters sorted by key")
+    @Test
-    func getGameCharactersSorted() async throws {
+    func `returns game characters sorted by key`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/character?name=First")
@@ -305,8 +299,8 @@ struct AmiiboLiveClientTests {
         #expect(characters == [.init(key: "0x00", name: "Second"), .init(key: "0x01", name: "First")])
     }
 
-    @Test("returns game series sorted by key")
+    @Test
-    func getGameSeriesSorted() async throws {
+    func `returns game series sorted by key`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/gameseries")
@@ -321,8 +315,8 @@ struct AmiiboLiveClientTests {
         #expect(series == [.init(key: "0x00", name: "Second"), .init(key: "0x01", name: "First")])
     }
 
-    @Test("throws notFound when a key-name endpoint matches nothing")
+    @Test
-    func getKeyNameNotFound() async {
+    func `throws notFound when a key-name endpoint matches nothing`() async {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .notFound, json: JSON.notFound))
 
@@ -335,8 +329,8 @@ struct AmiiboLiveClientTests {
 
     // MARK: Get Last Updated tests
 
-    @Test("returns the last updated timestamp as UTC")
+    @Test
-    func getLastUpdated() async throws {
+    func `returns the last updated timestamp as UTC`() async throws {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport { request in
             #expect(request.path == "/lastupdated")
@@ -351,8 +345,8 @@ struct AmiiboLiveClientTests {
         #expect(lastUpdated == .utc(2026, 7, 24, 12, 34, 56))
     }
 
-    @Test("throws notAvailable when the last updated endpoint fails")
+    @Test
-    func getLastUpdatedNotAvailable() async {
+    func `throws notAvailable when the last updated endpoint fails`() async {
         // GIVEN
         let client = AmiiboLiveClient(transport: StubTransport(status: .internalServerError))
 

Tests/AmiiboService/Cases/Public/Filters/FilterConformanceTests.swift

@@ -20,8 +20,8 @@ struct FilterConformanceTests {
 
     // MARK: Equatable tests
 
-    @Test("compares amiibo filters by value")
+    @Test
-    func amiiboFilterEquality() {
+    func `compares amiibo filters by value`() {
         // GIVEN
         // WHEN
         // THEN
@@ -31,8 +31,8 @@ struct FilterConformanceTests {
         #expect(AmiiboFilter() != AmiiboFilter(showGames: true))
     }
 
-    @Test("compares key-name filters by value")
+    @Test
-    func keyNameFilterEquality() {
+    func `compares key-name filters by value`() {
         // GIVEN
         // WHEN
         // THEN
@@ -46,8 +46,8 @@ struct FilterConformanceTests {
 
     // MARK: Hashable tests
 
-    @Test("hashes equal filters alike")
+    @Test
-    func filterHashing() {
+    func `hashes equal filters alike`() {
         // GIVEN
         let amiiboFilters: Set = [AmiiboFilter(name: "zelda"), AmiiboFilter(name: "zelda"), AmiiboFilter(name: "mario")]
         let seriesFilters: Set = [AmiiboSeriesFilter(key: "0x01"), AmiiboSeriesFilter(key: "0x01"), AmiiboSeriesFilter()]

Tests/AmiiboService/Cases/Public/Models/ModelConformanceTests.swift

@@ -21,8 +21,8 @@ struct ModelConformanceTests {
 
     // MARK: Identifiable tests
 
-    @Test("identifies an amiibo by its identifier")
+    @Test
-    func amiiboID() {
+    func `identifies an amiibo by its identifier`() {
         // GIVEN
         let amiibos = Fixtures.amiibos
 
@@ -31,8 +31,8 @@ struct ModelConformanceTests {
         #expect(amiibos.map(\.id) == amiibos.map(\.identifier))
     }
 
-    @Test("identifies key-name models by their keys")
+    @Test
-    func keyNameIDs() {
+    func `identifies key-name models by their keys`() {
         // GIVEN
         // WHEN
         // THEN
@@ -44,8 +44,8 @@ struct ModelConformanceTests {
 
     // MARK: Codable tests
 
-    @Test("round-trips amiibos through JSON")
+    @Test
-    func amiibosRoundTrip() throws {
+    func `round-trips amiibos through JSON`() throws {
         // GIVEN
         let amiibos = Fixtures.amiibos
 
@@ -57,8 +57,8 @@ struct ModelConformanceTests {
         #expect(decoded.first?.platform?.switch.first?.usages?.isEmpty == false)
     }
 
-    @Test("round-trips key-name models through JSON")
+    @Test
-    func keyNameRoundTrip() throws {
+    func `round-trips key-name models through JSON`() throws {
         // GIVEN
         // WHEN
         // THEN

Tests/AmiiboService/Cases/Public/Services/AmiiboServiceMockTests.swift

@@ -21,8 +21,8 @@ struct AmiiboServiceMockTests {
 
     // MARK: Get Amiibos tests
     
-    @Test("returns empty amiibos when mock provides an empty list")
+    @Test
-    func getAmiibosEmpty() async throws {
+    func `returns empty amiibos when mock provides an empty list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiibos: []))
         
@@ -33,8 +33,8 @@ struct AmiiboServiceMockTests {
         #expect(amiibos.isEmpty)
     }
 
-    @Test("returns amiibos when mock provides a list")
+    @Test
-    func getAmiibosList() async throws {
+    func `returns amiibos when mock provides a list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiibos: Fixtures.amiibos))
 
@@ -47,8 +47,8 @@ struct AmiiboServiceMockTests {
         #expect(amiibos.first?.imageURL != nil)
     }
 
-    @Test("throws notFound when mock provides no amiibos")
+    @Test
-    func getAmiibosNotFound() async {
+    func `throws notFound when mock provides no amiibos`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -59,8 +59,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for amiibos when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getAmiibosThrows(error: AmiiboServiceError) async {
+    func `throws error for amiibos when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))
         
@@ -73,8 +73,8 @@ struct AmiiboServiceMockTests {
     
     // MARK: Get Amiibo Series tests
     
-    @Test("returns empty amiibo series when mock provides an empty list")
+    @Test
-    func getAmiiboSeriesEmpty() async throws {
+    func `returns empty amiibo series when mock provides an empty list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiiboSeries: []))
         
@@ -85,8 +85,8 @@ struct AmiiboServiceMockTests {
         #expect(amiiboSeries.isEmpty)
     }
 
-    @Test("returns amiibo series when mock provides a list")
+    @Test
-    func getAmiiboSeriesList() async throws {
+    func `returns amiibo series when mock provides a list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiiboSeries: Fixtures.amiiboSeries))
 
@@ -97,8 +97,8 @@ struct AmiiboServiceMockTests {
         #expect(amiiboSeries == Fixtures.amiiboSeries)
     }
 
-    @Test("throws notFound when mock provides no amiibo series")
+    @Test
-    func getAmiiboSeriesNotFound() async {
+    func `throws notFound when mock provides no amiibo series`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -109,8 +109,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for amiibo series when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getAmiiboSeriesThrows(error: AmiiboServiceError) async {
+    func `throws error for amiibo series when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))
         
@@ -123,8 +123,8 @@ struct AmiiboServiceMockTests {
     
     // MARK: Get Amiibo Types tests
     
-    @Test("returns empty amiibo types when mock provides an empty list")
+    @Test
-    func getAmiiboTypesEmpty() async throws {
+    func `returns empty amiibo types when mock provides an empty list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiiboTypes: []))
         
@@ -135,8 +135,8 @@ struct AmiiboServiceMockTests {
         #expect(amiiboTypes.isEmpty)
     }
 
-    @Test("returns amiibo types when mock provides a list")
+    @Test
-    func getAmiiboTypesList() async throws {
+    func `returns amiibo types when mock provides a list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(amiiboTypes: Fixtures.amiiboTypes))
 
@@ -147,8 +147,8 @@ struct AmiiboServiceMockTests {
         #expect(amiiboTypes == Fixtures.amiiboTypes)
     }
 
-    @Test("throws notFound when mock provides no amiibo types")
+    @Test
-    func getAmiiboTypesNotFound() async {
+    func `throws notFound when mock provides no amiibo types`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -159,8 +159,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for amiibo types when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getAmiiboTypesThrows(error: AmiiboServiceError) async {
+    func `throws error for amiibo types when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))
         
@@ -173,8 +173,8 @@ struct AmiiboServiceMockTests {
     
     // MARK: Get Game Characters tests
     
-    @Test("returns empty game characters when mock provides an empty list")
+    @Test
-    func getGameCharactersEmpty() async throws {
+    func `returns empty game characters when mock provides an empty list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(gameCharacters: []))
         
@@ -185,8 +185,8 @@ struct AmiiboServiceMockTests {
         #expect(gameCharacters.isEmpty)
     }
 
-    @Test("returns game characters when mock provides a list")
+    @Test
-    func getGameCharactersList() async throws {
+    func `returns game characters when mock provides a list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(gameCharacters: Fixtures.gameCharacters))
 
@@ -197,8 +197,8 @@ struct AmiiboServiceMockTests {
         #expect(gameCharacters == Fixtures.gameCharacters)
     }
 
-    @Test("throws notFound when mock provides no game characters")
+    @Test
-    func getGameCharactersNotFound() async {
+    func `throws notFound when mock provides no game characters`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -209,8 +209,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for game characters when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getGameCharactersThrows(error: AmiiboServiceError) async {
+    func `throws error for game characters when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))
         
@@ -223,8 +223,8 @@ struct AmiiboServiceMockTests {
     
     // MARK: Get Game Series tests
     
-    @Test("returns empty game series when mock provides an empty list")
+    @Test
-    func getGameSeriesEmpty() async throws {
+    func `returns empty game series when mock provides an empty list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(gameSeries: []))
         
@@ -235,8 +235,8 @@ struct AmiiboServiceMockTests {
         #expect(gameSeries.isEmpty)
     }
 
-    @Test("returns game series when mock provides a list")
+    @Test
-    func getGameSeriesList() async throws {
+    func `returns game series when mock provides a list`() async throws {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(gameSeries: Fixtures.gameSeries))
 
@@ -247,8 +247,8 @@ struct AmiiboServiceMockTests {
         #expect(gameSeries == Fixtures.gameSeries)
     }
 
-    @Test("throws notFound when mock provides no game series")
+    @Test
-    func getGameSeriesNotFound() async {
+    func `throws notFound when mock provides no game series`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -259,8 +259,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for game series when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getGameSeriesThrows(error: AmiiboServiceError) async {
+    func `throws error for game series when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))
         
@@ -273,8 +273,8 @@ struct AmiiboServiceMockTests {
     
     // MARK: Get Last Updated tests
     
-    @Test("returns date when mock provides a last updated date")
+    @Test
-    func getLastUpdated() async throws {
+    func `returns date when mock provides a last updated date`() async throws {
         // GIVEN
         let expectedDate = Date(timeIntervalSince1970: 1_700_000_000)
         let service = AmiiboService(client: AmiiboMockClient(lastUpdated: expectedDate))
@@ -286,8 +286,8 @@ struct AmiiboServiceMockTests {
         #expect(lastUpdated == expectedDate)
     }
     
-    @Test("throws notFound when mock provides no last updated date")
+    @Test
-    func getLastUpdatedNotFound() async {
+    func `throws notFound when mock provides no last updated date`() async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient())
         
@@ -298,8 +298,8 @@ struct AmiiboServiceMockTests {
         }
     }
     
-    @Test("throws error for last updated when mock is configured with error", arguments: Errors.all)
+    @Test(arguments: Errors.all)
-    func getLastUpdatedThrows(error: AmiiboServiceError) async {
+    func `throws error for last updated when mock is configured with error`(error: AmiiboServiceError) async {
         // GIVEN
         let service = AmiiboService(client: AmiiboMockClient(error: error))