Add some more tests

This adds tests for all of the importers, a new scrypt test and some more OTP tests. More to come.

app/src/androidTest/java/com/beemdevelopment/aegis/AegisTest.java

@@ -39,6 +39,19 @@ public abstract class AegisTest {
     }
 
     protected VaultManager initVault() {
+        VaultFileCredentials creds = generateCredentials();
+        VaultManager vault = getApp().initVaultManager(new Vault(), creds);
+        try {
+            vault.save(false);
+        } catch (VaultManagerException e) {
+            throw new RuntimeException(e);
+        }
+
+        getApp().getPreferences().setIntroDone(true);
+        return vault;
+    }
+
+    protected VaultFileCredentials generateCredentials() {
         PasswordSlot slot = new PasswordSlot();
         byte[] salt = CryptoUtils.generateSalt();
         SCryptParameters scryptParams = new SCryptParameters(
@@ -59,17 +72,9 @@ public abstract class AegisTest {
                 | SlotException e) {
             throw new RuntimeException(e);
         }
+
         creds.getSlots().add(slot);
-
-        VaultManager vault = getApp().initVaultManager(new Vault(), creds);
-        try {
-            vault.save(false);
-        } catch (VaultManagerException e) {
-            throw new RuntimeException(e);
-        }
-
-        getApp().getPreferences().setIntroDone(true);
-        return vault;
+        return creds;
     }
 
     protected static <T extends OtpInfo> VaultEntry generateEntry(Class<T> type, String name, String issuer) {

app/src/androidTest/java/com/beemdevelopment/aegis/vault/VaultManagerTest.java

@@ -0,0 +1,39 @@
+package com.beemdevelopment.aegis.vault;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import com.beemdevelopment.aegis.AegisTest;
+import com.beemdevelopment.aegis.vault.slots.PasswordSlot;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class VaultManagerTest extends AegisTest {
+    @Before
+    public void before() {
+        initVault();
+    }
+
+    @Test
+    public void testToggleEncryption() throws VaultManagerException {
+        getVault().disableEncryption();
+        assertFalse(getVault().isEncryptionEnabled());
+        assertNull(getVault().getCredentials());
+
+        VaultFileCredentials creds = generateCredentials();
+        getVault().enableEncryption(creds);
+        assertTrue(getVault().isEncryptionEnabled());
+        assertNotNull(getVault().getCredentials());
+        assertEquals(getVault().getCredentials().getSlots().findAll(PasswordSlot.class).size(), 1);
+    }
+}