✅ Add sample app test cases

Author: yogeshpaliyal

.idea/misc.xml

@@ -43,7 +43,13 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'androidx.core:core-ktx:1.6.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
-    testImplementation 'junit:junit:4.13.1'
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test:core-ktx:1.4.0'
+    androidTestImplementation 'androidx.test.ext:junit-ktx:1.1.3'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
     androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 

app/build.gradle

@@ -0,0 +1,11 @@
+package com.techpaliyal.androidkotlinmvvm
+
+import android.view.View
+import androidx.test.espresso.FailureHandler
+import org.hamcrest.Matcher
+
+class CustomFailureHandler: FailureHandler {
+    override fun handle(error: Throwable?, viewMatcher: Matcher<View>?) {
+        assert(false)
+    }
+}

app/src/androidTest/java/com/techpaliyal/androidkotlinmvvm/CustomFailureHandler.kt

@@ -0,0 +1,74 @@
+package com.techpaliyal.androidkotlinmvvm.ui.activity
+
+import androidx.test.espresso.Espresso.*
+import androidx.test.espresso.FailureHandler
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.ext.junit.rules.ActivityScenarioRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.techpaliyal.androidkotlinmvvm.R
+import org.junit.Assert.*
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class MainActivityTest(){
+
+    @Rule
+    @JvmField
+    public var activityScenarioRule = ActivityScenarioRule(MainActivity::class.java)
+
+    @Before
+    fun before(){
+       /* setFailureHandler(FailureHandler { error, viewMatcher ->
+
+        })*/
+    }
+
+    @Test
+    fun launchBasicActivity(){
+        onView(withId(R.id.btnBasicListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+
+
+    }
+
+    @Test
+    fun launchMultiSelectActivity(){
+        onView(withId(R.id.btnMultiSelect)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+
+
+    }
+
+    @Test
+    fun launchLoadingActivity(){
+        onView(withId(R.id.btnLoadingListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+    }
+
+    @Test
+    fun launchShimmerActivity(){
+        onView(withId(R.id.btnShimmerListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+    }
+
+
+    @Test
+    fun launchPaginationActivity(){
+        onView(withId(R.id.btnPaginationListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+    }
+
+    @Test
+    fun launchBindingAdapterActivity(){
+        onView(withId(R.id.btnBindingAdapter)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+    }
+
+    @Test
+    fun launchMultipleViewsActivity(){
+        onView(withId(R.id.btnMultipleViews)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+        onView(withId(R.id.btnSchoolListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+        pressBack()
+        onView(withId(R.id.btnChatListing)).perform(click()).withFailureHandler { error, viewMatcher ->  }
+        pressBack()
+    }
+
+}