Move tests from tests/app/ to tests/unit/

- first round: move tests that currently pass

Bug: 62103184
Test: make SettingsUnitTests
Change-Id: Ief3adf88e5090621e5ec3957a71d1b56b4be186a

tests/unit/src/com/android/settings/EncryptionInterstitialTest.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import android.app.Activity;
+import android.app.Instrumentation;
+import android.app.Instrumentation.ActivityMonitor;
+import android.app.Instrumentation.ActivityResult;
+import android.content.Context;
+import android.content.Intent;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.MediumTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@MediumTest
+public class EncryptionInterstitialTest {
+
+    private Instrumentation mInstrumentation;
+    private Context mContext;
+    private TestActivityMonitor mActivityMonitor;
+
+    @Before
+    public void setUp() {
+        mInstrumentation = InstrumentationRegistry.getInstrumentation();
+        mContext = mInstrumentation.getTargetContext();
+        mActivityMonitor = new TestActivityMonitor();
+        mInstrumentation.addMonitor(mActivityMonitor);
+    }
+
+    @After
+    public void tearDown() {
+        mInstrumentation.removeMonitor(mActivityMonitor);
+    }
+
+    @Test
+    public void clickYes_shouldRequirePassword() {
+        mInstrumentation.startActivitySync(
+                new Intent(mContext, EncryptionInterstitial.class)
+                        .putExtra("extra_unlock_method_intent", new Intent("test.unlock.intent")));
+        onView(withId(R.id.encrypt_require_password)).perform(click());
+
+        mActivityMonitor.waitForActivityWithTimeout(1000);
+        assertEquals(1, mActivityMonitor.getHits());
+
+        assertTrue(mActivityMonitor.mMatchedIntent.getBooleanExtra(
+                EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, false));
+    }
+
+    @Test
+    public void clickNo_shouldNotRequirePassword() {
+        mInstrumentation.startActivitySync(
+                new Intent(mContext, EncryptionInterstitial.class)
+                        .putExtra("extra_unlock_method_intent", new Intent("test.unlock.intent")));
+        onView(withId(R.id.encrypt_dont_require_password)).perform(click());
+
+        mActivityMonitor.waitForActivityWithTimeout(1000);
+        assertEquals(1, mActivityMonitor.getHits());
+
+        assertFalse(mActivityMonitor.mMatchedIntent.getBooleanExtra(
+                EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, true));
+    }
+
+    private static class TestActivityMonitor extends ActivityMonitor {
+
+        Intent mMatchedIntent = null;
+
+        @Override
+        public ActivityResult onStartActivity(Intent intent) {
+            if ("test.unlock.intent".equals(intent.getAction())) {
+                mMatchedIntent = intent;
+                return new ActivityResult(Activity.RESULT_OK, null);
+            }
+            return null;
+        }
+    }
+}