Add tests for credentials

api/src/test/java/com/readrops/api/services/CredentialsTest.kt

@@ -0,0 +1,25 @@
+package com.readrops.api.services
+
+import com.readrops.api.services.freshrss.FreshRSSCredentials
+import com.readrops.api.services.nextcloudnews.NextNewsCredentials
+import org.junit.Test
+import kotlin.test.assertEquals
+
+class CredentialsTest {
+
+    @Test
+    fun credentialsTest() {
+        val credentials = FreshRSSCredentials("token", "https://freshrss.org")
+
+        assertEquals(credentials.authorization!!, "GoogleLogin auth=token")
+        assertEquals(credentials.url, "https://freshrss.org")
+    }
+
+    @Test
+    fun nextcloudNewsCredentialsTest() {
+        val credentials = NextNewsCredentials("login", "password", "https://freshrss.org")
+
+        assertEquals(credentials.authorization!!, "Basic bG9naW46cGFzc3dvcmQ=")
+        assertEquals(credentials.url, "https://freshrss.org")
+    }
+}