initWithContext synchronization fix (#1903)

OneSignalSDK/onesignal/core/src/test/java/com/onesignal/internal/OneSignalImpTests.kt

@@ -0,0 +1,44 @@
+package com.onesignal.internal
+
+import com.onesignal.debug.LogLevel
+import com.onesignal.debug.internal.logging.Logging
+import io.kotest.assertions.throwables.shouldThrowUnit
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.shouldBe
+import io.kotest.runner.junit4.KotestTestRunner
+import org.junit.runner.RunWith
+
+@RunWith(KotestTestRunner::class)
+class OneSignalImpTests : FunSpec({
+    beforeAny {
+        Logging.logLevel = LogLevel.NONE
+    }
+
+    test("attempting login before initWithContext throws exception") {
+        // Given
+        val os = OneSignalImp()
+
+        // When
+        val exception =
+            shouldThrowUnit<Exception> {
+                os.login("login-id")
+            }
+
+        // Then
+        exception.message shouldBe "Must call 'initWithContext' before 'login'"
+    }
+
+    test("attempting logout before initWithContext throws exception") {
+        // Given
+        val os = OneSignalImp()
+
+        // When
+        val exception =
+            shouldThrowUnit<Exception> {
+                os.logout()
+            }
+
+        // Then
+        exception.message shouldBe "Must call 'initWithContext' before 'logout'"
+    }
+})