added testcases for LazyVideos and the corresponding .ccz as well

app/instrumentation-tests/src/org/commcare/androidTests/LazyVideosTests.kt

@@ -0,0 +1,152 @@
+package org.commcare.androidTests
+
+
+import android.content.Intent
+import android.os.Build
+import android.util.Log
+import androidx.test.espresso.Espresso
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.RootMatchers
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.espresso.matcher.ViewMatchers.*
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.LargeTest
+import androidx.test.filters.SdkSuppress
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import org.commcare.CommCareApplication
+import org.commcare.annotations.BrowserstackTests
+import org.commcare.dalvik.R
+import org.commcare.utils.CustomMatchers
+import org.commcare.utils.InstrumentationUtility
+import org.commcare.utils.isPresent
+import org.hamcrest.CoreMatchers
+import org.hamcrest.Matchers.`is`
+import org.hamcrest.Matchers.allOf
+import org.junit.After
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+
+@RunWith(AndroidJUnit4::class)
+@LargeTest
+@BrowserstackTests
+class LazyVideosTests : BaseTest() {
+
+    companion object {
+        const val CCZ_NAME = "lazy_videos_no_videos.ccz"
+        const val APP_NAME = "Lazy Videos"
+    }
+
+    @Before
+    fun setup() {
+        if (CommCareApplication.instance().currentApp == null) {
+            InstrumentationUtility.installApp(CCZ_NAME)
+        } else {
+            InstrumentationUtility.uninstallCurrentApp()
+            InstrumentationUtility.installApp(CCZ_NAME)
+        }
+        Espresso.pressBack()
+        updateApp()
+    }
+
+    @After
+    fun tearDown() {
+        InstrumentationUtility.logout()
+    }
+
+    @Test
+    fun testVideosWithReferences() {
+        testVideosWithValidReference()
+        testVideosWithNoReferences()
+    }
+
+    private fun updateApp(){
+        InstrumentationUtility.openOptionsMenu()
+        onView(withText("Go To App Manager"))
+            .perform(click())
+        onView(withText(APP_NAME)).perform(click())
+        onView(withText("Update"))
+            .perform(click())
+        InstrumentationUtility.waitForView(withSubstring("Update to version"))
+        gotoLogin()
+    }
+
+    private fun gotoLogin() {
+        for (i in 0..2) { // Try atmost 3 times.
+            if (onView(withId(R.id.edit_username)).isPresent()) {
+                return
+            } else {
+                Espresso.pressBack()
+            }
+        }
+    }
+    private fun testVideosWithValidReference() {
+        InstrumentationUtility.login("test1", "123")
+        InstrumentationUtility.openForm(1, 0)
+        InstrumentationUtility.waitForView(withId(R.id.video_button))
+        onView(withTagValue(CoreMatchers.`is`(R.drawable.update_download_icon))).check(matches(isDisplayed()))
+        InstrumentationUtility.stubIntentWithAction(Intent.ACTION_SEND)
+        onView(withTagValue(CoreMatchers.`is`(R.drawable.update_download_icon))).perform(click())
+        onView(withId(R.id.video_button)).perform(click())
+        InstrumentationUtility.waitForView(withSubstring("Download in Progress"))
+        InstrumentationUtility.waitForView(withSubstring("Download complete"))
+        InstrumentationUtility.waitForView(withTagValue(CoreMatchers.`is`(android.R.drawable.ic_media_play)))
+        InstrumentationUtility.stubIntentWithAction(Intent.ACTION_VIEW)
+        onView(withId(R.id.video_button)).perform(click())
+        InstrumentationUtility.nextPage()
+        Thread.sleep(5000)
+        assertTrue(onView(allOf(withId(R.id.inline_video_view))).isPresent())
+        InstrumentationUtility.nextPage()
+        InstrumentationUtility.waitForView(CustomMatchers.withDrawable(
+            CommCareApplication.instance(),
+            R.drawable.icon_info_outline_lightcool
+        ))
+
+        onView(
+            CustomMatchers.withDrawable(
+                CommCareApplication.instance(),
+                R.drawable.icon_info_outline_lightcool
+            )
+        ).perform(click())
+        onView(withTagValue(CoreMatchers.`is`(android.R.drawable.ic_media_play))).check(matches(isDisplayed()))
+        InstrumentationUtility.stubIntentWithAction(Intent.ACTION_VIEW)
+        onView(withId(R.id.video_button)).perform(click())
+        onView(withText("OK")).perform(click())
+        InstrumentationUtility.nextPage()
+
+        onView(
+            CustomMatchers.withDrawable(
+                CommCareApplication.instance(),
+                R.drawable.icon_info_outline_lightcool
+            )
+        ).perform(click())
+        onView(withTagValue(CoreMatchers.`is`(android.R.drawable.ic_media_play))).check(matches(isDisplayed()))
+        InstrumentationUtility.stubIntentWithAction(Intent.ACTION_VIEW)
+        onView(withId(R.id.video_button)).perform(click())
+        onView(withText("OK")).perform(click())
+        InstrumentationUtility.submitForm()
+        assertTrue(onView(withText("1 form sent to server!")).isPresent())
+        InstrumentationUtility.logout()
+    }
+
+    private fun testVideosWithNoReferences() {
+        UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+        InstrumentationUtility.login("test1", "123")
+        InstrumentationUtility.openForm(1, 1)
+        InstrumentationUtility.waitForView(withText(R.string.video_download_prompt))
+        onView(withTagValue(CoreMatchers.`is`(R.drawable.update_download_icon))).check(matches(isDisplayed()))
+        onView(withId(R.id.video_button)).perform(click())
+        InstrumentationUtility.waitForView(withText(R.string.download_complete))
+        InstrumentationUtility.waitForView(withText("Media not found in the application"))
+        InstrumentationUtility.nextPage()
+        assertTrue(onView(withId(R.id.missing_media_view)).isPresent())
+        InstrumentationUtility.submitForm()
+        assertTrue(onView(withText("1 form sent to server!")).isPresent())
+    }
+}

app/instrumentation-tests/src/org/commcare/utils/CustomMatchers.kt

@@ -1,10 +1,16 @@
 package org.commcare.utils
 
+import android.content.Context
 import android.content.Intent
+import android.content.res.Resources
+import android.graphics.drawable.Drawable
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.ImageView
 import android.widget.ListView
 import android.widget.TextView
+import androidx.appcompat.view.menu.ActionMenuItemView
 import androidx.test.espresso.matcher.BoundedMatcher
 import androidx.test.espresso.util.TreeIterables
 import org.commcare.android.database.global.models.AppAvailableToInstall
@@ -145,4 +151,26 @@ object CustomMatchers {
         }
     }
 
+    fun withDrawable(targetContext: Context, expectedId: Int): Matcher<View> {
+        return object : TypeSafeMatcher<View>(View::class.java) {
+
+            override fun describeTo(description: Description?) {
+                description!!.appendText("with drawable from resource id: $expectedId")
+                targetContext.resources.getResourceEntryName(expectedId)?.let { description.appendText("[$it]") }
+            }
+
+            override fun matchesSafely(view: View?): Boolean {
+                val drawable: Drawable = when (view) {
+                    is ActionMenuItemView -> view.itemData.icon
+                    is ImageView -> view.drawable
+                    is ImageButton -> view.drawable
+                    else -> null
+                } ?: return false
+
+                val resources: Resources = view!!.context.resources
+                val expectedDrawable: Drawable? = resources.getDrawable(expectedId, targetContext.theme)
+                return expectedDrawable?.constantState?.let { it == drawable.constantState } ?: false
+            }
+        }
+    }
 }

app/src/org/commcare/views/media/MediaLayout.java

@@ -192,7 +192,9 @@ private void setupStandardAudio(String audioURI, int questionIndex) {
     private void setupVideoButton(String videoURI) {
         if (videoURI != null) {
             boolean mediaPresent = FileUtil.referenceFileExists(videoURI);
-            videoButton.setImageResource(mediaPresent ? android.R.drawable.ic_media_play : R.drawable.update_download_icon);
+            int imageResource = mediaPresent ? android.R.drawable.ic_media_play : R.drawable.update_download_icon;
+            videoButton.setImageResource(imageResource);
+            videoButton.setTag(imageResource); // this is to easily test drawables with Espresso
             if (!mediaPresent) {
                 AndroidUtil.showToast(getContext(), R.string.video_download_prompt);
             }