Add tests for the progress dialog

- set the progress dialog to non cancelable

Signed-off-by: Arka Prava Basu <arkaprava94@gmail.com>

build.gradle

@@ -94,6 +94,9 @@ android {
         ndk {
             abiFilters "armeabi", "armeabi-v7a", "x86"
         }
+
+        testInstrumentationRunner "android.test.InstrumentationTestRunner"
+        testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
     }
 
 
@@ -150,4 +153,8 @@ dependencies {
     kapt "android.arch.persistence.room:compiler:1.1.1"
     implementation "android.arch.lifecycle:runtime:1.1.1"
     implementation "android.arch.lifecycle:extensions:1.1.1"
+
+    testImplementation "junit:junit:4.12"
+    androidTestImplementation "com.android.support.test.espresso:espresso-core:3.0.2"
+    androidTestImplementation "com.android.support.test.espresso:espresso-intents:3.0.2"
 }

src/androidTest/java/org/havenapp/main/ListActivityTest.kt

@@ -0,0 +1,58 @@
+package org.havenapp.main
+
+import android.content.Intent
+import android.support.test.annotation.UiThreadTest
+import android.support.test.espresso.Espresso
+import android.support.test.espresso.assertion.ViewAssertions.doesNotExist
+import android.support.test.espresso.assertion.ViewAssertions.matches
+import android.support.test.espresso.matcher.ViewMatchers.isDisplayed
+import android.support.test.espresso.matcher.ViewMatchers.withText
+import android.support.v4.content.LocalBroadcastManager
+import android.test.ActivityInstrumentationTestCase2
+import junit.framework.Assert
+import org.havenapp.main.database.DB_INIT_END
+import org.havenapp.main.database.DB_INIT_START
+import org.havenapp.main.database.DB_INIT_STATUS
+
+/**
+ * Created by Arka Prava Basu <arka.basu@zomato.com> on 20/10/18.
+ */
+class ListActivityTest : ActivityInstrumentationTestCase2<ListActivity>(ListActivity::class.java) {
+    private var listActivity: ListActivity? = null
+
+    override fun setUp() {
+        super.setUp()
+        listActivity = activity
+    }
+
+    fun testCheckActivityNotNull() {
+        Assert.assertNotNull(listActivity)
+    }
+
+    /**
+     * Test that we show a progress dialog while database init/migration is in process.
+     * Test that we remove that on db init/migration success
+     */
+    @UiThreadTest
+    fun testCheckProgressBarShownOnBroadcast() {
+        Assert.assertNotNull(listActivity)
+
+        var dbIntent = Intent()
+        dbIntent.putExtra(DB_INIT_STATUS, DB_INIT_START)
+        dbIntent.action = DB_INIT_STATUS
+        LocalBroadcastManager.getInstance(activity).sendBroadcast(dbIntent)
+
+        Espresso.onView(withText(R.string.please_wait)).check(matches(isDisplayed()))
+        Espresso.onView(withText(R.string.migrating_data)).check(matches(isDisplayed()))
+
+        Thread.sleep(5000) // keeping a waiting time to check the view
+
+        dbIntent = Intent()
+        dbIntent.putExtra(DB_INIT_STATUS, DB_INIT_END)
+        dbIntent.action = DB_INIT_STATUS
+        LocalBroadcastManager.getInstance(activity).sendBroadcast(dbIntent)
+
+        Espresso.onView(withText(R.string.please_wait)).check(doesNotExist())
+        Espresso.onView(withText(R.string.migrating_data)).check(doesNotExist())
+    }
+}

src/main/java/org/havenapp/main/ListActivity.java

@@ -113,6 +113,8 @@ public void onReceive(Context context, Intent intent) {
                 progressDialog = new ProgressDialog(ListActivity.this);
                 progressDialog.setTitle(getString(R.string.please_wait));
                 progressDialog.setMessage(getString(R.string.migrating_data));
+                progressDialog.setCancelable(false);
+                progressDialog.setCanceledOnTouchOutside(false);
                 progressDialog.show();
             } else if (intent.getIntExtra(DB_INIT_STATUS, 0) == DB_INIT_END) {
                 if (progressDialog != null)