Migrate API module instrumented tests into simple unit tests

api/src/main/java/com/readrops/api/opml/OPMLParser.kt

@@ -1,8 +1,5 @@
 package com.readrops.api.opml
 
-import android.content.Context
-import android.net.Uri
-import android.util.Log
 import com.readrops.api.opml.model.Body
 import com.readrops.api.opml.model.Head
 import com.readrops.api.opml.model.OPML
@@ -12,7 +9,6 @@ import com.readrops.db.entities.Feed
 import com.readrops.db.entities.Folder
 import io.reactivex.Completable
 import io.reactivex.Single
-import io.reactivex.SingleOnSubscribe
 import org.simpleframework.xml.Serializer
 import org.simpleframework.xml.core.Persister
 import java.io.InputStream
@@ -20,15 +16,7 @@ import java.io.OutputStream
 
 object OPMLParser {
 
-    val TAG = OPMLParser.javaClass.simpleName
-
-    @JvmStatic
-    fun read(uri: Uri, context: Context): Single<Map<Folder?, List<Feed>>> {
-        return Single.create(SingleOnSubscribe<InputStream> {
-            val stream = context.contentResolver.openInputStream(uri)
-            it.onSuccess(stream!!)
-        }).flatMap { stream -> read(stream) }
-    }
+    val TAG: String = OPMLParser.javaClass.simpleName
 
     @JvmStatic
     fun read(stream: InputStream): Single<Map<Folder?, List<Feed>>> {
@@ -40,7 +28,6 @@ object OPMLParser {
 
                 emitter.onSuccess(opmlToFoldersAndFeeds(opml))
             } catch (e: Exception) {
-                Log.d(TAG, e.message, e)
                 emitter.onError(e)
             }
         }
@@ -148,8 +135,10 @@ object OPMLParser {
      * @param folder the folder feeds will be associated to
      *
      */
-    private fun associateOrphanFeedsToFolder(foldersAndFeeds: MutableMap<Folder?, List<Feed>>,
-                                             parsingResult: MutableMap<Folder?, List<Feed>>, folder: Folder?) {
+    private fun associateOrphanFeedsToFolder(
+            foldersAndFeeds: MutableMap<Folder?, List<Feed>>,
+            parsingResult: MutableMap<Folder?, List<Feed>>, folder: Folder?,
+    ) {
         val feeds = parsingResult[null]
         if (feeds != null && feeds.isNotEmpty()) {
             if (foldersAndFeeds[folder] == null) foldersAndFeeds[folder] = feeds

api/src/main/java/com/readrops/api/utils/DateUtils.java

@@ -1,7 +1,5 @@
 package com.readrops.api.utils;
 
-import android.util.Log;
-
 import androidx.annotation.Nullable;
 
 import org.joda.time.LocalDateTime;
@@ -57,7 +55,6 @@ public final class DateUtils {
 
             return formatter.parseLocalDateTime(value);
         } catch (Exception e) {
-            Log.d(TAG, e.getMessage());
             return null;
         }
     }

api/src/test/java/com/readrops/api/opml/OPMLParserTest.kt

@@ -1,35 +1,20 @@
-package com.readrops.api
+package com.readrops.api.opml
 
-import android.Manifest
-import android.content.Context
-import android.os.Environment
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.rule.GrantPermissionRule
-import com.readrops.api.opml.OPMLParser
+import com.readrops.api.TestUtils
 import com.readrops.api.utils.exceptions.ParseException
 import com.readrops.db.entities.Feed
 import com.readrops.db.entities.Folder
 import io.reactivex.schedulers.Schedulers
 import junit.framework.TestCase.assertEquals
-import org.junit.Rule
 import org.junit.Test
-import org.junit.runner.RunWith
 import java.io.File
 import java.io.FileOutputStream
-import java.io.OutputStream
 
-@RunWith(AndroidJUnit4::class)
 class OPMLParserTest {
 
-    private val context: Context = InstrumentationRegistry.getInstrumentation().context
-
-    @get:Rule
-    val permissionRule: GrantPermissionRule = GrantPermissionRule.grant(Manifest.permission.WRITE_EXTERNAL_STORAGE)
-
     @Test
     fun readOpmlTest() {
-        val stream = context.resources.assets.open("opml/subscriptions.opml")
+        val stream = TestUtils.loadResource("opml/subscriptions.opml")
 
         var foldersAndFeeds: Map<Folder?, List<Feed>>? = null
 
@@ -52,7 +37,7 @@ class OPMLParserTest {
 
     @Test
     fun readLiteSubscriptionsTest() {
-        val stream = context.resources.assets.open("opml/lite_subscriptions.opml")
+        val stream = TestUtils.loadResource("opml/lite_subscriptions.opml")
 
         var foldersAndFeeds: Map<Folder?, List<Feed>>? = null
 
@@ -68,7 +53,7 @@ class OPMLParserTest {
 
     @Test
     fun opmlVersionTest() {
-        val stream = context.resources.assets.open("opml/wrong_version.opml")
+        val stream = TestUtils.loadResource("opml/wrong_version.opml")
 
         OPMLParser.read(stream)
                 .test()
@@ -79,10 +64,9 @@ class OPMLParserTest {
 
     @Test
     fun writeOpmlTest() {
-        val filePath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).absolutePath
-        val file = File(filePath, "subscriptions.opml")
+        val file = File("subscriptions.opml")
+        val outputStream = FileOutputStream(file)
 
-        val outputStream: OutputStream = FileOutputStream(file)
         val foldersAndFeeds: Map<Folder?, List<Feed>> = HashMap<Folder?, List<Feed>>().apply {
             put(null, listOf(Feed("Feed1", "", "https://feed1.com"),
                     Feed("Feed2", "", "https://feed2.com")))

app/src/main/java/com/readrops/app/account/AccountViewModel.java

@@ -16,6 +16,7 @@ import com.readrops.db.entities.account.Account;
 import org.koin.core.parameter.DefinitionParametersKt;
 import org.koin.java.KoinJavaComponent;
 
+import java.io.FileNotFoundException;
 import java.util.List;
 import java.util.Map;
 
@@ -62,8 +63,8 @@ public class AccountViewModel extends ViewModel {
         return repository.getFoldersWithFeeds();
     }
 
-    public Completable parseOPMLFile(Uri uri, Context context) {
-        return OPMLParser.read(uri, context)
+    public Completable parseOPMLFile(Uri uri, Context context) throws FileNotFoundException {
+        return OPMLParser.read(context.getContentResolver().openInputStream(uri))
                 .flatMapCompletable(foldersAndFeeds -> repository.insertOPMLFoldersAndFeeds(foldersAndFeeds));
     }
 }

app/src/main/java/com/readrops/app/settings/AccountSettingsFragment.java

@@ -10,6 +10,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -39,6 +40,7 @@ import com.readrops.db.entities.account.AccountType;
 
 import org.koin.androidx.viewmodel.compat.ViewModelCompat;
 
+import java.io.FileNotFoundException;
 import java.util.List;
 import java.util.Map;
 
@@ -203,13 +205,18 @@ public class AccountSettingsFragment extends PreferenceFragmentCompat {
                     .cancelable(false)
                     .show();
 
-            parseOPMLFile(uri, dialog);
+            try {
+                parseOPMLFile(uri, dialog);
+            } catch (FileNotFoundException e) {
+                Log.d(TAG, e.getMessage());
+                displayErrorMessage();
+            }
         }
 
         super.onActivityResult(requestCode, resultCode, data);
     }
 
-    private void parseOPMLFile(Uri uri, MaterialDialog dialog) {
+    private void parseOPMLFile(Uri uri, MaterialDialog dialog) throws FileNotFoundException {
         viewModel.parseOPMLFile(uri, getContext())
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())