instrument: some updates to asymmetric decrypt tests

8 files changed, 617 insertions, 7 deletions

diff --git a/OpenKeychain/src/androidTest/assets/ci.png b/OpenKeychain/src/androidTest/assets/ci.png
new file mode 100644
index 000000000..3a6117082
--- /dev/null
+++ b/OpenKeychain/src/androidTest/assets/ci.png
diff --git a/OpenKeychain/src/androidTest/assets/pa.png b/OpenKeychain/src/androidTest/assets/pa.png
new file mode 100644
index 000000000..3c6aa7fda
--- /dev/null
+++ b/OpenKeychain/src/androidTest/assets/pa.png
diff --git a/OpenKeychain/src/androidTest/assets/re.png b/OpenKeychain/src/androidTest/assets/re.png
new file mode 100644
index 000000000..a441bbc87
--- /dev/null
+++ b/OpenKeychain/src/androidTest/assets/re.png
diff --git a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/TestHelpers.java b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/TestHelpers.java
index 4c058940b..bbf69f73e 100644
--- a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/TestHelpers.java
+++ b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/TestHelpers.java
@@ -18,6 +18,13 @@
 package org.sufficientlysecure.keychain;
 
 
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.Random;
 
 import android.content.Context;
@@ -55,7 +62,7 @@ public class TestHelpers {
     }
 
 
-    static void importKeysFromResource(Context context, String name) throws Exception {
+    public static void importKeysFromResource(Context context, String name) throws Exception {
         IteratorWithIOThrow<UncachedKeyRing> stream = UncachedKeyRing.fromStream(
                 getInstrumentation().getContext().getAssets().open(name));
 
@@ -71,6 +78,37 @@ public class TestHelpers {
 
     }
 
+    public static void copyFiles() throws IOException {
+        File cacheDir = getInstrumentation().getTargetContext().getFilesDir();
+        byte[] buf = new byte[256];
+        for (String filename : FILES) {
+            File outFile = new File(cacheDir, filename);
+            if (outFile.exists()) {
+                continue;
+            }
+            InputStream in = new BufferedInputStream(getInstrumentation().getContext().getAssets().open(filename));
+            OutputStream out = new BufferedOutputStream(new FileOutputStream(outFile));
+            int len;
+            while( (len = in.read(buf)) > 0) {
+                out.write(buf, 0, len);
+            }
+        }
+    }
+
+    public static final String[] FILES = new String[] { "pa.png", "re.png", "ci.png" };
+    public static File[] getImageNames() {
+        File cacheDir = getInstrumentation().getTargetContext().getFilesDir();
+        File[] ret = new File[FILES.length];
+        for (int i = 0; i < ret.length; i++) {
+            ret[i] = new File(cacheDir, FILES[i]);
+        }
+        return ret;
+    }
+
+    public static <T> T pickRandom(T[] haystack) {
+        return haystack[new Random().nextInt(haystack.length)];
+    }
+
     public static String randomString(int min, int max) {
         String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789!@#$%^&*()-_=";
         Random r = new Random();
diff --git a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/actions/OrientationChangeAction.java b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/actions/OrientationChangeAction.java
new file mode 100644
index 000000000..cdded7d7f
--- /dev/null
+++ b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/actions/OrientationChangeAction.java
@@ -0,0 +1,74 @@
+package org.sufficientlysecure.keychain.actions;
+
+
+import java.util.Collection;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.pm.ActivityInfo;
+import android.support.test.espresso.UiController;
+import android.support.test.espresso.ViewAction;
+import android.support.test.runner.lifecycle.ActivityLifecycleMonitorRegistry;
+import android.support.test.runner.lifecycle.Stage;
+import android.view.View;
+
+import org.hamcrest.Matcher;
+
+import static android.support.test.espresso.matcher.ViewMatchers.isRoot;
+
+public class OrientationChangeAction implements ViewAction {
+    private final int orientation;
+
+    private OrientationChangeAction(int orientation) {
+        this.orientation = orientation;
+    }
+
+    @Override
+    public Matcher<View> getConstraints() {
+        return isRoot();
+    }
+
+    @Override
+    public String getDescription() {
+        return "change orientation to " + orientation;
+    }
+
+    @Override
+    public void perform(UiController uiController, View view) {
+        uiController.loopMainThreadUntilIdle();
+
+        final Activity activity = findActivity(view.getContext());
+        if (activity == null){
+            throw new IllegalStateException("Could not find the current activity");
+        }
+
+        activity.setRequestedOrientation(orientation);
+
+        Collection<Activity> resumedActivities = ActivityLifecycleMonitorRegistry
+                .getInstance().getActivitiesInStage(Stage.RESUMED);
+
+        if (resumedActivities.isEmpty()) {
+            throw new RuntimeException("Could not change orientation");
+        }
+    }
+
+    private static Activity findActivity(Context context) {
+        if (context == null)
+            return null;
+        else if (context instanceof Activity)
+            return (Activity) context;
+        else if (context instanceof ContextWrapper)
+            return findActivity(((ContextWrapper) context).getBaseContext());
+
+        return null;
+    }
+
+    public static ViewAction orientationLandscape() {
+        return new OrientationChangeAction(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+    }
+
+    public static ViewAction orientationPortrait() {
+        return new OrientationChangeAction(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+    }
+}
\ No newline at end of file
diff --git a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/AsymmetricFileOperationTests.java b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/AsymmetricFileOperationTests.java
new file mode 100644
index 000000000..7bef6833f
--- /dev/null
+++ b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/AsymmetricFileOperationTests.java
@@ -0,0 +1,347 @@
+/*
+ * Copyright (C) 2015 Vincent Breitmoser <look@my.amazin.horse>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+
+import java.io.File;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.app.Instrumentation;
+import android.app.Instrumentation.ActivityResult;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.espresso.intent.Intents;
+import android.support.test.espresso.intent.rule.IntentsTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.widget.AdapterView;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.TestHelpers;
+import org.sufficientlysecure.keychain.service.PassphraseCacheService;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
+
+import static android.support.test.InstrumentationRegistry.*;
+import static android.support.test.espresso.Espresso.onData;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.typeText;
+import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.contrib.DrawerActions.openDrawer;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasAction;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasCategories;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasExtra;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasExtraWithKey;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasType;
+import static android.support.test.espresso.matcher.ViewMatchers.assertThat;
+import static android.support.test.espresso.matcher.ViewMatchers.hasDescendant;
+import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
+import static android.support.test.espresso.matcher.ViewMatchers.isDescendantOfA;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static org.hamcrest.CoreMatchers.allOf;
+import static org.hamcrest.CoreMatchers.hasItem;
+import static org.sufficientlysecure.keychain.TestHelpers.checkSnackbar;
+import static org.sufficientlysecure.keychain.TestHelpers.getImageNames;
+import static org.sufficientlysecure.keychain.TestHelpers.importKeysFromResource;
+import static org.sufficientlysecure.keychain.TestHelpers.pickRandom;
+import static org.sufficientlysecure.keychain.TestHelpers.randomString;
+import static org.sufficientlysecure.keychain.actions.CustomActions.tokenEncryptViewAddToken;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.isRecyclerItemView;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withDisplayedChild;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withEncryptionStatus;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withKeyItemId;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withSignatureMyKey;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withSignatureNone;
+
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class AsymmetricFileOperationTests {
+
+    @Rule
+    public final IntentsTestRule<MainActivity> mActivity
+            = new IntentsTestRule<MainActivity>(MainActivity.class) {
+        @Override
+        protected Intent getActivityIntent() {
+            Intent intent = super.getActivityIntent();
+            intent.putExtra(MainActivity.EXTRA_SKIP_FIRST_TIME, true);
+            intent.putExtra(MainActivity.EXTRA_INIT_FRAG, MainActivity.ID_ENCRYPT_DECRYPT);
+            return intent;
+        }
+    };
+
+    @Before
+    public void setUp() throws Exception {
+        Activity activity = mActivity.getActivity();
+
+        TestHelpers.copyFiles();
+
+        // import these two, make sure they're there
+        importKeysFromResource(activity, "x.sec.asc");
+
+        // make sure no passphrases are cached
+        PassphraseCacheService.clearCachedPassphrases(activity);
+    }
+
+    @Test
+    public void testTextEncryptDecryptFromToken() throws Exception {
+
+        // navigate to 'encrypt text'
+        onView(withId(R.id.encrypt_files)).perform(click());
+
+        File file = pickRandom(getImageNames());
+        File outputFile = new File(getInstrumentation().getTargetContext().getFilesDir(), "output-token.gpg");
+
+        { // encrypt
+
+            // the EncryptKeyCompletionView is tested individually
+            onView(withId(R.id.recipient_list)).perform(tokenEncryptViewAddToken(0x9D604D2F310716A3L));
+
+            handleAddFileIntent(file);
+            onView(withId(R.id.file_list_entry_add)).perform(click());
+
+            handleSaveFileIntent(outputFile);
+            onView(withId(R.id.encrypt_save)).perform(click());
+
+            assertThat("output file has been written", true, CoreMatchers.is(outputFile.exists()));
+
+        }
+
+        // go to decrypt from clipboard view
+        pressBack();
+
+        handleOpenFileIntentKitKat(outputFile);
+        onView(withId(R.id.decrypt_files)).perform(click());
+
+        onView(withId(R.id.decrypt_files_action_decrypt)).perform(click());
+
+        { // decrypt
+            onView(withId(R.id.passphrase_passphrase)).perform(typeText("x"));
+            onView(withText(R.string.btn_unlock)).perform(click());
+
+            onView(isRecyclerItemView(R.id.decrypted_files_list,
+                    hasDescendant(withText(file.getName()))))
+                    .check(matches(allOf(withEncryptionStatus(true), withSignatureNone())));
+
+        }
+
+    }
+
+    private void handleAddFileIntent(File file) {
+        if (VERSION.SDK_INT >= VERSION_CODES.KITKAT) {
+            handleAddFileIntentKitKat(file);
+        } else {
+            handleAddFileIntentOlder(file);
+        }
+    }
+
+    @TargetApi(VERSION_CODES.KITKAT)
+    private void handleAddFileIntentKitKat(File file) {
+        Intent data = new Intent();
+        data.setData(Uri.fromFile(file));
+
+        Intents.intending(allOf(
+                hasAction(Intent.ACTION_OPEN_DOCUMENT),
+                hasType("*/*"),
+                hasCategories(hasItem(Intent.CATEGORY_OPENABLE)),
+                hasExtraWithKey(Intent.EXTRA_ALLOW_MULTIPLE)
+        )).respondWith(
+                new ActivityResult(Activity.RESULT_OK, data)
+        );
+    }
+
+    private void handleAddFileIntentOlder(File file) {
+        Intent data = new Intent();
+        data.setData(Uri.fromFile(file));
+
+        Intents.intending(allOf(
+                hasAction(Intent.ACTION_GET_CONTENT),
+                hasType("*/*"),
+                hasCategories(hasItem(Intent.CATEGORY_OPENABLE))
+        )).respondWith(
+                new ActivityResult(Activity.RESULT_OK, data)
+        );
+    }
+
+    @TargetApi(VERSION_CODES.KITKAT)
+    private void handleSaveFileIntent(File file) {
+
+        try {
+            file.delete();
+        } catch (Exception e) {
+            // nvm
+        }
+
+        Intent data = new Intent();
+        data.setData(Uri.fromFile(file));
+
+        Intents.intending(allOf(
+                hasAction(Intent.ACTION_CREATE_DOCUMENT),
+                hasType("*/*"),
+                hasExtra("android.content.extra.SHOW_ADVANCED", true),
+                hasCategories(hasItem(Intent.CATEGORY_OPENABLE))
+        )).respondWith(
+                new ActivityResult(Activity.RESULT_OK, data)
+        );
+    }
+
+    @TargetApi(VERSION_CODES.KITKAT)
+    private void handleOpenFileIntentKitKat(File file) {
+        Intent data = new Intent();
+        data.setData(Uri.fromFile(file));
+
+        Intents.intending(allOf(
+                hasAction(Intent.ACTION_OPEN_DOCUMENT),
+                hasType("*/*"),
+                hasCategories(hasItem(Intent.CATEGORY_OPENABLE))
+                // hasExtraWithKey(Intent.EXTRA_ALLOW_MULTIPLE)
+        )).respondWith(
+                new ActivityResult(Activity.RESULT_OK, data)
+        );
+    }
+
+    @Test
+    public void testTextEncryptDecryptFromKeyView() throws Exception {
+
+        String cleartext = randomString(10, 30);
+
+        // navigate to key list
+        pressBack();
+
+        { // encrypt
+
+            // navigate to edit key dialog
+            onData(withKeyItemId(0x9D604D2F310716A3L))
+                    .inAdapterView(allOf(isAssignableFrom(AdapterView.class),
+                            isDescendantOfA(withId(R.id.key_list_list))))
+                    .perform(click());
+            onView(withId(R.id.view_key_action_encrypt_text)).perform(click());
+
+            // make sure the encrypt is correctly set
+            onView(withId(R.id.result_encryption_icon)).check(matches(withDisplayedChild(1)));
+
+            onView(withId(R.id.encrypt_text_text)).perform(typeText(cleartext));
+
+            onView(withId(R.id.encrypt_copy)).perform(click());
+        }
+
+        // go to decrypt from clipboard view
+        pressBack();
+        pressBack();
+
+        openDrawer(R.id.drawer_layout);
+        onView(withText(R.string.nav_encrypt_decrypt)).perform(click());
+        onView(withId(R.id.decrypt_from_clipboard)).perform(click());
+
+        { // decrypt
+
+            onView(withId(R.id.passphrase_passphrase)).perform(typeText("x"));
+            onView(withText(R.string.btn_unlock)).perform(click());
+
+            onView(isRecyclerItemView(R.id.decrypted_files_list,
+                    hasDescendant(withText(R.string.filename_unknown_text))))
+                    .check(matches(allOf(withEncryptionStatus(true), withSignatureNone())));
+
+        }
+
+        pressBack();
+        onView(withId(R.id.decrypt_from_clipboard)).perform(click());
+
+        { // decrypt again, passphrase should be cached
+
+            onView(isRecyclerItemView(R.id.decrypted_files_list,
+                    hasDescendant(withText(R.string.filename_unknown_text))))
+                    .check(matches(allOf(withEncryptionStatus(true), withSignatureNone())));
+
+        }
+
+    }
+
+    @Test
+    public void testSignVerify() throws Exception {
+
+        String cleartext = randomString(10, 30);
+
+        // navigate to 'encrypt text'
+        onView(withId(R.id.encrypt_text)).perform(click());
+
+        { // sign
+
+            onView(withId(R.id.encrypt_copy)).perform(click());
+            checkSnackbar(Style.ERROR, R.string.error_empty_text);
+
+            onView(withId(R.id.result_signature_icon)).check(matches(withDisplayedChild(0)));
+            onView(withId(R.id.sign)).perform(click());
+            onData(withKeyItemId(0x9D604D2F310716A3L))
+                    .inAdapterView(isAssignableFrom(AdapterView.class))
+                    .perform(click());
+            onView(withId(R.id.result_signature_icon)).check(matches(withDisplayedChild(1)));
+
+            onView(withId(R.id.encrypt_text_text)).perform(typeText(cleartext));
+
+            onView(withId(R.id.encrypt_copy)).perform(click());
+
+            onView(withId(R.id.passphrase_passphrase)).perform(typeText("x"));
+            onView(withText(R.string.btn_unlock)).perform(click());
+
+            checkSnackbar(Style.OK, R.string.msg_se_success);
+
+        }
+
+        // go to decrypt from clipboard view
+        pressBack();
+
+        onView(withId(R.id.decrypt_from_clipboard)).perform(click());
+
+        { // decrypt
+
+            onView(isRecyclerItemView(R.id.decrypted_files_list,
+                    hasDescendant(withText(R.string.filename_unknown))))
+                    .check(matches(allOf(withEncryptionStatus(false), withSignatureMyKey())));
+
+            // open context menu
+            onView(allOf(isDescendantOfA(isRecyclerItemView(R.id.decrypted_files_list,
+                            hasDescendant(withText(R.string.filename_unknown)))),
+                    withId(R.id.context_menu))).perform(click());
+
+            // "delete file" shouldn't be there
+            onView(withText(R.string.btn_delete_original)).check(doesNotExist());
+
+            // check if log looks ok
+            onView(withText(R.string.view_log)).perform(click());
+            onView(withText(R.string.msg_dc_clear_signature_ok)).check(matches(isDisplayed()));
+            pressBack();
+
+        }
+
+    }
+
+}
diff --git a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/AsymmetricOperationTests.java b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/AsymmetricTextOperationTests.java
index 246e2dd52..c85dfbaab 100644
--- a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/AsymmetricOperationTests.java
+++ b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/AsymmetricTextOperationTests.java
@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.sufficientlysecure.keychain;
+package org.sufficientlysecure.keychain.ui;
 
 
 import android.app.Activity;
@@ -29,6 +29,7 @@ import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
 import org.sufficientlysecure.keychain.ui.MainActivity;
 import org.sufficientlysecure.keychain.ui.util.Notify.Style;
@@ -62,7 +63,7 @@ import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withSignatu
 
 @RunWith(AndroidJUnit4.class)
 @LargeTest
-public class AsymmetricOperationTests {
+public class AsymmetricTextOperationTests {
 
     @Rule
     public final ActivityTestRule<MainActivity> mActivity
@@ -71,6 +72,7 @@ public class AsymmetricOperationTests {
         protected Intent getActivityIntent() {
             Intent intent = super.getActivityIntent();
             intent.putExtra(MainActivity.EXTRA_SKIP_FIRST_TIME, true);
+            intent.putExtra(MainActivity.EXTRA_INIT_FRAG, MainActivity.ID_ENCRYPT_DECRYPT);
             return intent;
         }
     };
@@ -90,8 +92,6 @@ public class AsymmetricOperationTests {
     public void testTextEncryptDecryptFromToken() throws Exception {
 
         // navigate to 'encrypt text'
-        openDrawer(R.id.drawer_layout);
-        onView(withText(R.string.nav_encrypt_decrypt)).perform(click());
         onView(withId(R.id.encrypt_text)).perform(click());
 
         String cleartext = randomString(10, 30);
@@ -130,6 +130,8 @@ public class AsymmetricOperationTests {
 
         String cleartext = randomString(10, 30);
 
+        pressBack();
+
         { // encrypt
 
             // navigate to edit key dialog
@@ -185,8 +187,6 @@ public class AsymmetricOperationTests {
         String cleartext = randomString(10, 30);
 
         // navigate to 'encrypt text'
-        openDrawer(R.id.drawer_layout);
-        onView(withText(R.string.nav_encrypt_decrypt)).perform(click());
         onView(withId(R.id.encrypt_text)).perform(click());
 
         { // sign
diff --git a/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/MiscFileOperationTests.java b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/MiscFileOperationTests.java
new file mode 100644
index 000000000..8d8437561
--- /dev/null
+++ b/OpenKeychain/src/androidTest/java/org/sufficientlysecure/keychain/ui/MiscFileOperationTests.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2015 Vincent Breitmoser <look@my.amazin.horse>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+
+import java.io.File;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.app.Instrumentation.ActivityResult;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.support.test.espresso.intent.Intents;
+import android.support.test.espresso.intent.rule.IntentsTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.widget.AdapterView;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.TestHelpers;
+import org.sufficientlysecure.keychain.service.PassphraseCacheService;
+import org.sufficientlysecure.keychain.ui.util.Notify.Style;
+
+import static android.support.test.InstrumentationRegistry.getInstrumentation;
+import static android.support.test.espresso.Espresso.onData;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.typeText;
+import static android.support.test.espresso.assertion.ViewAssertions.doesNotExist;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.contrib.DrawerActions.openDrawer;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasAction;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasCategories;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasExtra;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasExtraWithKey;
+import static android.support.test.espresso.intent.matcher.IntentMatchers.hasType;
+import static android.support.test.espresso.matcher.ViewMatchers.assertThat;
+import static android.support.test.espresso.matcher.ViewMatchers.hasDescendant;
+import static android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom;
+import static android.support.test.espresso.matcher.ViewMatchers.isDescendantOfA;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static org.hamcrest.CoreMatchers.allOf;
+import static org.hamcrest.CoreMatchers.hasItem;
+import static org.sufficientlysecure.keychain.TestHelpers.checkSnackbar;
+import static org.sufficientlysecure.keychain.TestHelpers.getImageNames;
+import static org.sufficientlysecure.keychain.TestHelpers.importKeysFromResource;
+import static org.sufficientlysecure.keychain.TestHelpers.pickRandom;
+import static org.sufficientlysecure.keychain.TestHelpers.randomString;
+import static org.sufficientlysecure.keychain.actions.CustomActions.tokenEncryptViewAddToken;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.isRecyclerItemView;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withDisplayedChild;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withEncryptionStatus;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withKeyItemId;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withSignatureMyKey;
+import static org.sufficientlysecure.keychain.matcher.CustomMatchers.withSignatureNone;
+import static org.sufficientlysecure.keychain.matcher.DrawableMatcher.withDrawable;
+
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class MiscFileOperationTests {
+
+    @Rule
+    public final IntentsTestRule<MainActivity> mActivity
+            = new IntentsTestRule<MainActivity>(MainActivity.class) {
+        @Override
+        protected Intent getActivityIntent() {
+            Intent intent = super.getActivityIntent();
+            intent.putExtra(MainActivity.EXTRA_SKIP_FIRST_TIME, true);
+            intent.putExtra(MainActivity.EXTRA_INIT_FRAG, MainActivity.ID_ENCRYPT_DECRYPT);
+            return intent;
+        }
+    };
+
+    @Before
+    public void setUp() throws Exception {
+        Activity activity = mActivity.getActivity();
+
+        TestHelpers.copyFiles();
+
+        // import these two, make sure they're there
+        importKeysFromResource(activity, "x.sec.asc");
+
+        // make sure no passphrases are cached
+        PassphraseCacheService.clearCachedPassphrases(activity);
+    }
+
+    @Test
+    public void testDecryptNonPgpFile() throws Exception {
+
+        // decrypt any non-pgp file
+        File file = pickRandom(getImageNames());
+        handleOpenFileIntentKitKat(file);
+        onView(withId(R.id.decrypt_files)).perform(click());
+
+        onView(withId(R.id.decrypt_files_action_decrypt)).perform(click());
+
+        { // decrypt
+
+            // open context menu
+            onView(allOf(isDescendantOfA(isRecyclerItemView(R.id.decrypted_files_list,
+                        hasDescendant(allOf(
+                            hasDescendant(withDrawable(R.drawable.status_signature_invalid_cutout_24dp, true)),
+                            hasDescendant(withText(R.string.msg_dc_error_invalid_data)))))),
+                withId(R.id.result_error_log))).perform(click());
+
+        }
+
+    }
+
+    @TargetApi(VERSION_CODES.KITKAT)
+    private void handleOpenFileIntentKitKat(File file) {
+        Intent data = new Intent();
+        data.setData(Uri.fromFile(file));
+
+        Intents.intending(allOf(
+                hasAction(Intent.ACTION_OPEN_DOCUMENT),
+                hasType("*/*"),
+                hasCategories(hasItem(Intent.CATEGORY_OPENABLE))
+                // hasExtraWithKey(Intent.EXTRA_ALLOW_MULTIPLE)
+        )).respondWith(
+                new ActivityResult(Activity.RESULT_OK, data)
+        );
+    }
+
+}