Fix tests

core/subsonic-api/src/main/kotlin/org/moire/ultrasonic/api/subsonic/SubsonicAPIClient.kt

@@ -9,12 +9,15 @@ import java.util.concurrent.TimeUnit.MILLISECONDS
 import javax.net.ssl.SSLContext
 import javax.net.ssl.X509TrustManager
 import okhttp3.OkHttpClient
+import okhttp3.ResponseBody
 import okhttp3.logging.HttpLoggingInterceptor
 import org.moire.ultrasonic.api.subsonic.interceptors.PasswordHexInterceptor
 import org.moire.ultrasonic.api.subsonic.interceptors.PasswordMD5Interceptor
 import org.moire.ultrasonic.api.subsonic.interceptors.ProxyPasswordInterceptor
 import org.moire.ultrasonic.api.subsonic.interceptors.RangeHeaderInterceptor
 import org.moire.ultrasonic.api.subsonic.interceptors.VersionInterceptor
+import org.moire.ultrasonic.api.subsonic.response.StreamResponse
+import retrofit2.Response
 import retrofit2.Retrofit
 
 private const val READ_TIMEOUT = 60_000L
@@ -124,6 +127,13 @@ class SubsonicAPIClient(
         hostnameVerifier { _, _ -> true }
     }
 
+    /**
+     * This function is necessary because Mockito has problems with stubbing chained calls
+     */
+    fun toStreamResponse(call: Response<ResponseBody>): StreamResponse {
+        return call.toStreamResponse()
+    }
+
     companion object {
         val jacksonMapper: ObjectMapper = ObjectMapper()
             .configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true)

ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/AvatarRequestHandler.kt

@@ -6,13 +6,12 @@ import com.squareup.picasso.RequestHandler
 import java.io.IOException
 import okio.Okio
 import org.moire.ultrasonic.api.subsonic.SubsonicAPIClient
-import org.moire.ultrasonic.api.subsonic.toStreamResponse
 
 /**
  * Loads avatars from subsonic api.
  */
 class AvatarRequestHandler(
-    private val apiClient: SubsonicAPIClient
+    private val client: SubsonicAPIClient
 ) : RequestHandler() {
     override fun canHandleRequest(data: Request): Boolean {
         return with(data.uri) {
@@ -24,7 +23,9 @@ class AvatarRequestHandler(
         val username = request.uri.getQueryParameter(QUERY_USERNAME)
             ?: throw IllegalArgumentException("Nullable username")
 
-        val response = apiClient.api.getAvatar(username).execute().toStreamResponse()
+        // Inverted call order, because Mockito has problems with chained calls.
+        val response = client.toStreamResponse(client.api.getAvatar(username).execute())
+
         if (response.hasError() || response.stream == null) {
             throw IOException("${response.apiError}")
         } else {

ultrasonic/src/main/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandler.kt

@@ -39,7 +39,8 @@ class CoverArtRequestHandler(private val client: SubsonicAPIClient) : RequestHan
         }
 
         // Try to fetch the image from the API
-        val response = client.api.getCoverArt(id, size).execute().toStreamResponse()
+        // Inverted call order, because Mockito has problems with chained calls.
+        val response = client.toStreamResponse(client.api.getCoverArt(id, size).execute())
 
         // Handle the response
         if (!response.hasError() && response.stream != null) {

ultrasonic/src/test/kotlin/org/moire/ultrasonic/imageloader/AvatarRequestHandlerTest.kt

@@ -9,6 +9,7 @@ import org.amshove.kluent.`should throw`
 import org.amshove.kluent.shouldBeEqualTo
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.Answers
 import org.mockito.kotlin.any
 import org.mockito.kotlin.mock
 import org.mockito.kotlin.whenever
@@ -21,7 +22,7 @@ import org.robolectric.annotation.Config
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE)
 class AvatarRequestHandlerTest {
-    private val mockApiClient: SubsonicAPIClient = mock()
+    private val mockApiClient: SubsonicAPIClient = mock(defaultAnswer = Answers.RETURNS_DEEP_STUBS)
     private val handler = AvatarRequestHandler(mockApiClient)
 
     @Test
@@ -60,8 +61,10 @@ class AvatarRequestHandlerTest {
             apiError = null,
             responseHttpCode = 200
         )
-        whenever(mockApiClient.api.getAvatar(any()).execute().toStreamResponse())
-            .thenReturn(streamResponse)
+
+        whenever(
+            mockApiClient.toStreamResponse(any())
+        ).thenReturn(streamResponse)
 
         val response = handler.load(
             createLoadAvatarRequest("some-username").buildRequest(), 0

ultrasonic/src/test/kotlin/org/moire/ultrasonic/imageloader/CoverArtRequestHandlerTest.kt

@@ -10,18 +10,17 @@ import org.amshove.kluent.`should throw`
 import org.amshove.kluent.shouldBeEqualTo
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.Answers
 import org.mockito.kotlin.any
-import org.mockito.kotlin.anyOrNull
 import org.mockito.kotlin.mock
 import org.mockito.kotlin.whenever
 import org.moire.ultrasonic.api.subsonic.SubsonicAPIClient
 import org.moire.ultrasonic.api.subsonic.response.StreamResponse
-import org.moire.ultrasonic.api.subsonic.toStreamResponse
 import org.robolectric.RobolectricTestRunner
 
 @RunWith(RobolectricTestRunner::class)
 class CoverArtRequestHandlerTest {
-    private val mockApiClient: SubsonicAPIClient = mock()
+    private val mockApiClient: SubsonicAPIClient = mock(defaultAnswer = Answers.RETURNS_DEEP_STUBS)
     private val handler = CoverArtRequestHandler(mockApiClient)
 
     @Test
@@ -58,7 +57,7 @@ class CoverArtRequestHandlerTest {
         val streamResponse = StreamResponse(null, null, 500)
 
         whenever(
-            mockApiClient.api.getCoverArt(any(), anyOrNull()).execute().toStreamResponse()
+            mockApiClient.toStreamResponse(any())
         ).thenReturn(streamResponse)
 
         val fail = {
@@ -77,7 +76,7 @@ class CoverArtRequestHandlerTest {
         )
 
         whenever(
-            mockApiClient.api.getCoverArt(any(), anyOrNull()).execute().toStreamResponse()
+            mockApiClient.toStreamResponse(any())
         ).thenReturn(streamResponse)
 
         val response = handler.load(