Add Espresso Tests for MainActivity Menu and Toolbar Functionality

tables_app/build.gradle

@@ -152,6 +152,9 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-contrib:3.5.1'
     androidTestImplementation 'androidx.annotation:annotation:1.7.1'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'org.mockito:mockito-core:2.19.0'
+
+    testImplementation 'org.mockito:mockito-core:2.19.0'
 
     //for UI Automator
     androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'

tables_app/src/androidTest/java/org/opendatakit/espresso/CsvTest.java

@@ -55,6 +55,8 @@
 
 import java.io.File;
 import java.io.FilenameFilter;
+import java.io.IOException;
+import java.nio.file.Files;
 
 
 @LargeTest

tables_app/src/androidTest/java/org/opendatakit/espresso/MainActivityTest.java

@@ -0,0 +1,130 @@
+package org.opendatakit.espresso;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.intent.Intents.intended;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasAction;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasComponent;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasExtra;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+import static org.hamcrest.Matchers.allOf;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.content.Intent;
+import android.view.MenuItem;
+
+import androidx.test.core.app.ActivityScenario;
+import androidx.test.espresso.action.ViewActions;
+import androidx.test.espresso.intent.Intents;
+import androidx.test.espresso.matcher.ViewMatchers;
+import androidx.test.ext.junit.rules.ActivityScenarioRule;
+import androidx.test.rule.GrantPermissionRule;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.opendatakit.consts.IntentConsts;
+import org.opendatakit.tables.R;
+import org.opendatakit.tables.activities.ExportCSVActivity;
+import org.opendatakit.tables.activities.ImportCSVActivity;
+import org.opendatakit.tables.activities.MainActivity;
+
+public class MainActivityTest {
+
+    private final String appName = "default";
+
+    @Rule
+    public GrantPermissionRule permissionRule = GrantPermissionRule.grant(
+            android.Manifest.permission.READ_EXTERNAL_STORAGE,
+            android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+    );
+
+    @Rule
+    public ActivityScenarioRule<MainActivity> mainActivity = new ActivityScenarioRule<>(MainActivity.class);
+
+    @Before
+    public void setUp() {
+        Intents.init();
+        ActivityScenario.launch(MainActivity.class);
+
+    }
+
+    @After
+    public void tearDown() {
+        Intents.release();
+    }
+
+
+    @Test
+    public void testMenuImport_whenClickedShouldLaunchImportActivity() {
+        // Click on the Import menu item
+        onView(withId(R.id.menu_table_manager_import)).perform(click());
+
+        // Check if the Import activity is launched
+        intended(hasComponent(ImportCSVActivity.class.getName()));
+    }
+
+    @Test
+    public void testMenuExport_whenClickedShouldLaunchExportActivity() {
+        // Click on the Export menu item
+        onView(withId(R.id.menu_table_manager_export)).perform(click());
+
+        // Check if the Export activity is launched
+        intended(hasComponent(ExportCSVActivity.class.getName()));
+    }
+
+    @Test
+    public void testToolBarVisibility() {
+        onView(withId(R.id.toolbarMainActivity)).check(matches(isDisplayed()));
+    }
+
+    @Test
+    public void testMenuItems() {
+        // Open the overflow menu
+        onView(ViewMatchers.withContentDescription("More options"))
+                .perform(ViewActions.click());
+
+        // Check that specific menu items are displayed
+        onView(withText(R.string.about))
+                .check(matches(isDisplayed()));
+
+        onView(withText(R.string.preferences))
+                .check(matches(isDisplayed()));
+    }
+
+    @Test
+    public void testOpenTableManager() {
+        onView(withId(R.id.menu_table_manager_sync)).perform(click());
+
+        intended(allOf(hasComponent(new ComponentName(IntentConsts.Sync.APPLICATION_NAME,
+                        IntentConsts.Sync.ACTIVITY_NAME)),
+                hasAction(Intent.ACTION_DEFAULT),
+                hasExtra(IntentConsts.INTENT_KEY_APP_NAME, appName)));
+    }
+
+    @Test
+    public void testStartSync() {
+        onView(withId(R.id.menu_table_manager_sync)).perform(click());
+        onView(withText(R.string.sync)).check(matches(isDisplayed()));
+    }
+
+    @Test
+    public void testOnOptionsItemSelected() {
+        mainActivity.getScenario().onActivity(activity -> {
+            MenuItem menuItem = mock(MenuItem.class);
+            when(menuItem.getItemId()).thenReturn(R.id.menu_web_view_activity_table_manager);
+            boolean result = activity.onOptionsItemSelected(menuItem);
+            assertTrue(result);
+        });
+    }
+
+}