MVVM implementation

app/build.gradle

@@ -37,8 +37,10 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.1.0'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test:rules:1.1.0'
+    androidTestImplementation 'org.hamcrest:hamcrest-library:1.3'
 
     //Retrofit and GSON
     implementation 'com.squareup.retrofit2:retrofit:2.6.0'

app/src/androidTest/java/com/example/h_mal/myapplication/ExampleInstrumentedTest.kt

@@ -1,26 +0,0 @@
-package com.example.h_mal.myapplication
-
-import android.support.test.InstrumentationRegistry
-import android.support.test.runner.AndroidJUnit4
-
-import org.junit.Test
-import org.junit.runner.RunWith
-
-import org.junit.Assert.*
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-@RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
-    @Test
-    fun useAppContext() {
-        // Context of the app under test.
-        val appContext = InstrumentationRegistry.getTargetContext()
-        assertEquals("com.example.h_mal.myapplication", appContext.packageName)
-    }
-
-
-}

app/src/androidTest/java/com/example/h_mal/myapplication/ui/MainActivityTest.kt

@@ -2,13 +2,73 @@ package com.example.h_mal.myapplication.ui
 
 
 
+import android.content.Context
+import androidx.lifecycle.Observer
+import androidx.test.core.app.ApplicationProvider
 import androidx.test.filters.LargeTest
 import androidx.test.runner.AndroidJUnit4
+import com.example.h_mal.myapplication.db.AppDatabase
+import com.example.h_mal.myapplication.db.RepoDao
+import com.example.h_mal.myapplication.model.Repo
+import junit.framework.Assert.assertEquals
+import junit.framework.Assert.assertSame
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
 import org.junit.runner.RunWith
+import java.io.IOException
 
-@LargeTest
 @RunWith(AndroidJUnit4::class)
-class MainActivityTest {
+class ExampleInstrumentedTest {
+
+    private lateinit var repoDao: RepoDao
+    private lateinit var db: AppDatabase
+    private lateinit var context: Context
+
+    @Before
+    fun createDb() {
+        context = ApplicationProvider.getApplicationContext<Context>()
+        db = AppDatabase.invoke(context)
+        repoDao = db.getRepoDao()
+    }
+
+    @After
+    @Throws(IOException::class)
+    fun closeDb() {
+        db.clearAllTables()
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun addAndUpdateEntries() {
+
+        val item1 = Repo(
+            274562,
+            "yajl-objc",
+            "",
+            "",
+            "",
+            ""
+        )
+        val item2 = Repo(
+            274563,
+            "simplerrd",
+            "",
+            "",
+            "",
+            ""
+        )
+
+        val list: List<Repo> = mutableListOf(item1,item2).toList()
+
+        val long = runBlocking { repoDao.saveAllRepos(list) }
+
+        assertEquals(long.size, 2)
 
 
     }
+}

app/src/androidTest/java/com/example/h_mal/myapplication/ui/UiTest.kt

@@ -1,35 +1,46 @@
-package com.example.h_mal.myapplication
+package com.example.h_mal.myapplication.ui
 
 
-import android.support.test.espresso.Espresso
-import android.support.test.espresso.Espresso.onView
-import android.support.test.espresso.assertion.ViewAssertions.matches
-import android.support.test.espresso.matcher.ViewMatchers.*
-import android.support.test.filters.LargeTest
-import android.support.test.rule.ActivityTestRule
-import android.support.test.runner.AndroidJUnit4
 import android.view.View
 import android.view.ViewGroup
-import com.example.h_mal.myapplication.ui.MainActivity
+import androidx.test.espresso.Espresso.onData
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.LargeTest
+import androidx.test.rule.ActivityTestRule
+import com.example.h_mal.myapplication.R
 import org.hamcrest.Description
 import org.hamcrest.Matcher
 import org.hamcrest.Matchers.allOf
+import org.hamcrest.Matchers.anything
 import org.hamcrest.TypeSafeMatcher
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 
-@LargeTest
+
 @RunWith(AndroidJUnit4::class)
-class MainActivityTest {
+class UiTest {
 
     @Rule
     @JvmField
     var mActivityTestRule = ActivityTestRule(MainActivity::class.java)
 
     @Test
-    fun mainActivityTest() {
+    fun uiTest() {
-
+        val frameLayout = onData(anything())
+            .inAdapterView(
+                allOf(
+                    withId(R.id.list_view),
+                    childAtPosition(
+                        withId(R.id.swipe_refresh),
+                        0
+                    )
+                )
+            )
+            .atPosition(0)
+        frameLayout.perform(click())
     }
 
     private fun childAtPosition(

app/src/main/java/com/example/h_mal/myapplication/db/RepoDao.kt

@@ -11,7 +11,7 @@ import com.example.h_mal.myapplication.model.Repo
 interface RepoDao {
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun saveAllRepos(repos : List<Repo>)
+    fun saveAllRepos(repos : List<Repo>) : List<Long>
 
     @Query("SELECT * FROM Repo")
     fun getRepos() : LiveData<List<Repo>>