Test cases using espresso to fill fields and to update data to fireba…

…se to verify VM

app/src/androidTest/java/com/dawar/sparknetwork/MainActivityTest.kt

@@ -0,0 +1,72 @@
+package com.dawar.sparknetwork
+
+import androidx.annotation.IdRes
+import androidx.test.espresso.Espresso
+import androidx.test.espresso.action.ViewActions
+import androidx.test.espresso.matcher.RootMatchers
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.rule.ActivityTestRule
+import com.dawar.sparknetwork.models.User
+import com.dawar.sparknetwork.ui.main.MainActivity
+import org.hamcrest.Matchers
+import org.junit.Rule
+import org.junit.Test
+
+class MainActivityTest {
+    @Rule
+    @JvmField
+    val activityRule = ActivityTestRule(MainActivity::class.java)
+
+    @Test
+    fun testSubmitButton() {
+        clickView(R.id.btnSubmit)
+
+
+    }
+
+    @Test
+    fun testEmailField() {
+        fillField(R.id.etEmail, "[email protected]")
+    }
+
+    @Test
+    fun testNameField() {
+        fillField(R.id.etName, "Malik Dawar")
+    }
+
+    @Test
+    fun testPhoneField() {
+        fillField(R.id.etPhone, "03217004140")
+    }
+
+    @Test
+    fun testAddressField() {
+        fillField(R.id.etAddress, "Lahore Pakistan")
+    }
+
+    @Test
+    fun insertNewUser() {
+        val mainActivity = activityRule.activity as MainActivity
+        val user = User("Mobin").apply {
+            address = "Lahore"
+            email = "[email protected]"
+            phone = "03217004104"
+        }
+        mainActivity.profileFragment.mProfileViewModel.saveProfile(user)
+
+    }
+
+    private fun fillField(@IdRes id: Int, text: String) {
+        val mainActivity = activityRule.activity as MainActivity
+        Espresso.onView(ViewMatchers.withId(id))
+            .inRoot(RootMatchers.withDecorView(Matchers.`is`(mainActivity.window.decorView)))
+            .perform(ViewActions.typeText(text))
+    }
+
+    private fun clickView(@IdRes id: Int) {
+        val mainActivity = activityRule.activity as MainActivity
+        Espresso.onView(ViewMatchers.withId(id))
+            .inRoot(RootMatchers.withDecorView(Matchers.`is`(mainActivity.window.decorView)))
+            .perform(ViewActions.click())
+    }
+}