Add unit tests for ServerCommunicationErrorHandler

Signed-off-by: Stefan Niedermann <info@niedermann.it>

1 files changed, 49 insertions, 0 deletions

diff --git a/app/src/test/java/it/niedermann/nextcloud/deck/api/ServerCommunicationErrorHandlerTest.java b/app/src/test/java/it/niedermann/nextcloud/deck/api/ServerCommunicationErrorHandlerTest.java
new file mode 100644
index 000000000..aa7ca0837
--- /dev/null
+++ b/app/src/test/java/it/niedermann/nextcloud/deck/api/ServerCommunicationErrorHandlerTest.java
@@ -0,0 +1,49 @@
+package it.niedermann.nextcloud.deck.api;
+
+import static org.junit.Assert.assertEquals;
+
+import com.nextcloud.android.sso.exceptions.UnknownErrorException;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+import it.niedermann.nextcloud.deck.exceptions.OfflineException;
+
+@RunWith(RobolectricTestRunner.class)
+public class ServerCommunicationErrorHandlerTest {
+
+    @Test
+    public void shouldMap_UnknownErrorExceptions_To_OfflineExceptions_ForConnectionTimeout() {
+        final var result = ServerCommunicationErrorHandler.translateError(new UnknownErrorException("failed to connect to myhome.example.com/2222:A:B:C:D (port 443) from /2020:A:B:C:D (port 42803) after 60000ms: isConnected failed: ECONNREFUSED (Connection refused)"));
+        assertEquals(OfflineException.class, result.getClass());
+        assertEquals(OfflineException.Reason.CONNECTION_REFUSED, ((OfflineException) result).getReason());
+    }
+
+    @Test
+    public void shouldMap_ClassNotFoundExceptions_To_OfflineExceptions_ForConnectionRefused() {
+        final var result = ServerCommunicationErrorHandler.translateError(new ClassNotFoundException("java.lang.ClassNotFoundException: org.apache.commons.httpclient.ConnectTimeoutException"));
+        assertEquals(OfflineException.class, result.getClass());
+        assertEquals(OfflineException.Reason.CONNECTION_TIMEOUT, ((OfflineException) result).getReason());
+    }
+
+    @Test
+    public void shouldSkip_UnknownErrorExceptions_ForOtherCases() {
+        final var result = ServerCommunicationErrorHandler.translateError(new UnknownErrorException("Foo Bar"));
+        assertEquals(UnknownErrorException.class, result.getClass());
+        assertEquals("Foo Bar", result.getMessage());
+    }
+
+    @Test
+    public void shouldSkip_ClassNotFoundExceptions_ForOtherCases() {
+        final var result = ServerCommunicationErrorHandler.translateError(new ClassNotFoundException("Foo Bar"));
+        assertEquals(ClassNotFoundException.class, result.getClass());
+        assertEquals("Foo Bar", result.getMessage());
+    }
+
+    @Test
+    public void shouldSkip_KnownExceptions_WithNullMessages() {
+        assertEquals(ClassNotFoundException.class, ServerCommunicationErrorHandler.translateError(new ClassNotFoundException()).getClass());
+        assertEquals(UnknownErrorException.class, ServerCommunicationErrorHandler.translateError(new UnknownErrorException()).getClass());
+    }
+}