Improve className resolution (#8) (#9)

Sources/SwiftTestReporter/TestObserver.swift

@@ -24,7 +24,7 @@ extension TestObserver: XCTestObservation {
         /// XCTest creates additional XCTestSuite:
         ///  - "All Test" which contains all test suites
         ///  - test suite for each module in tests (e.g. SwiftTestReporterTests)
-        let className = getXCTestClassName(testSuite)
+        let className = testSuite.customClassName
         return className == "XCTestCaseSuite"
     }
 

Sources/SwiftTestReporter/Utils.swift

@@ -4,16 +4,13 @@ private func lastChunk(_ phrase: String, separator: Character = ".") -> String {
     return phrase.split(separator: separator).last?.description ?? phrase
 }
 
-/// Simple helper that returns class name for XCTest.
-/// There are some difference beween original XCTest and XCTest in open source and this
-/// helper solves one of the problems - missing property (className).
-/// - Parameter obj: XCTest's instance
-/// - Returns: A normalized name for XCTest's instance
-func getXCTestClassName(_ obj: XCTest) -> String {
-    #if os(Linux)
-    let className = "\(obj.self)"
-    #else
-    let className = obj.className
-    #endif
-    return lastChunk(className)
+extension XCTest {
+    /// Simple helper that returns class name for XCTest.
+    /// There are some difference between original XCTest on different platforms and XCTest in open source and this
+    /// helper solves one of the problems - missing property (className).
+    /// - Returns: A normalized name for XCTest's instance
+    var customClassName : String {
+        let fullClassName = "\(type(of: self))"
+        return fullClassName
+    }
 }

Tests/SwiftTestReporterTests/UtilsTests.swift

@@ -3,8 +3,14 @@ import XCTest
 
 class UtilsTests: XCTestCase {
     func testShouldReturnProperlyClassName() {
+        let xcTest: XCTest = self
+        XCTAssertEqual(xcTest.customClassName, "UtilsTests")
+    }
+
+    func testShouldReturnProperlyClassNameForNestedClass() {
         class FooTestCase: XCTest {}
-        XCTAssertEqual(getXCTestClassName(self), "UtilsTests")
+        let xcTest: XCTest = FooTestCase()
+        XCTAssertEqual(xcTest.customClassName, "FooTestCase")
     }
 
     static var allTests = [