LF-105 Add User.getInfo() using a session key

Sources/LastFM/Modules/UserModule.swift

@@ -129,6 +129,12 @@ public struct UserModule {
 
         requester.getDataAndParse(params: params, secure: false, onCompletion: onCompletion)
     }
+
+    public func getInfo(sessionKey: String, onCompletion: @escaping LastFM.OnCompletion<UserInfo>) throws {
+        let params = parent.normalizeParams(params: [:], method: APIMethod.getInfo, sessionKey: sessionKey)
+
+        try requester.postFormURLEncodedAndParse(payload: params, secure: false, onCompletion: onCompletion)
+    }
 
     public func getFriends(
         params: SearchParams,

Tests/LastFMTests/Modules/UserModuleTests.swift

@@ -1150,6 +1150,101 @@ class UserTests: XCTestCase {
             )
         )
     }
+
+    func test_getInfoBySessionKey() throws {
+        let jsonURL = Bundle.module.url(
+            forResource: "Resources/user.getInfo",
+            withExtension: "json"
+        )!
+
+        let fakeData = try Data(contentsOf: jsonURL)
+        let expectation = expectation(description: "Waiting for getInfo")
+
+        apiClientMock.data = fakeData
+        apiClientMock.response = Constants.RESPONSE_200_OK
+
+        try instance.getInfo(sessionKey: "someSessionKey") { result in
+            switch (result) {
+            case .success(let userInfo):
+                XCTAssertEqual(userInfo.name, "pepito")
+                XCTAssertEqual(userInfo.age, 0)
+                XCTAssertEqual(userInfo.subscriber, false)
+                XCTAssertEqual(userInfo.realname, "Jose")
+                XCTAssertEqual(userInfo.bootstrap, false)
+                XCTAssertEqual(userInfo.playcount, 347575)
+                XCTAssertEqual(userInfo.artistCount, 14264)
+                XCTAssertEqual(userInfo.playlists, 0)
+                XCTAssertEqual(userInfo.trackCount, 55279)
+                XCTAssertEqual(userInfo.albumCount, 30492)
+
+                XCTAssertEqual(
+                    userInfo.image.small?.absoluteString,
+                    "https://images.com/pepito-small.png"
+                )
+
+                XCTAssertEqual(
+                    userInfo.image.medium?.absoluteString,
+                    "https://images.com/pepito-medium.png"
+                )
+
+                XCTAssertEqual(
+                    userInfo.image.large?.absoluteString,
+                    "https://images.com/pepito-large.png"
+                )
+
+                XCTAssertEqual(
+                    userInfo.image.extraLarge?.absoluteString,
+                    "https://images.com/pepito-extralarge.png"
+                )
+
+                XCTAssertNil(userInfo.image.mega)
+
+                var dateComponents = DateComponents()
+                dateComponents.year = 2011
+                dateComponents.month = 8
+                dateComponents.day = 17
+                dateComponents.hour = 18
+                dateComponents.minute = 28
+                dateComponents.second = 10
+                dateComponents.timeZone = TimeZone(secondsFromGMT: -4 * 60 * 60)
+
+                XCTAssertEqual(userInfo.registered, Calendar.current.date(from: dateComponents))
+                XCTAssertEqual(userInfo.country, "Bolivia")
+                XCTAssertEqual(userInfo.gender, "n")
+                XCTAssertEqual(userInfo.url.absoluteString, "https://pepito.profile")
+                XCTAssertEqual(userInfo.type, "user")
+            case .failure(let error):
+                XCTFail("It was supposed to succeed, but it failed with error \(error.localizedDescription)")
+            }
+
+            expectation.fulfill()
+        }
+
+        waitForExpectations(timeout: 3)
+        XCTAssertEqual(apiClientMock.postCalls.count, 1)
+
+        let actualBody = String(data: apiClientMock.postCalls[0].body!, encoding: .utf8)!
+        let expectedBody = "sk=someSessionKey&method=user.getinfo&api_key=someAPIKey"
+
+        XCTAssertTrue(
+            Util.areSameURL(
+                "http://somedomain.com/?\(actualBody)",
+                "http://somedomain.com/?\(expectedBody)"
+            )
+        )
+
+        XCTAssertEqual(
+            apiClientMock.postCalls[0].headers,
+            ["Content-Type": "application/x-www-formurlencoded"]
+        )
+
+        XCTAssertTrue(
+            Util.areSameURL(
+                "http://ws.audioscrobbler.com/2.0?format=json",
+                apiClientMock.postCalls[0].url.absoluteString
+            )
+        )
+    }
 
     func test_getFriends_success() throws {
         let jsonURL = Bundle.module.url(