thread test and callback test outline

nbwzlyd · Jul 23, 2020 · e9e7a72 · e9e7a72
1 parent f263800
commit e9e7a72
Show file tree

Hide file tree

Showing 3 changed files with 95 additions and 27 deletions.
diff --git a/WebView/app/build.gradle b/WebView/app/build.gradle
@@ -73,6 +73,7 @@ dependencies {
     androidTestImplementation 'com.android.support.test.espresso:espresso-intents:3.0.2'
     androidTestImplementation 'androidx.test:rules:1.1.1'
     androidTestImplementation 'androidx.test:runner:1.1.0'
+    androidTestImplementation "androidx.webkit:webkit:$webkit_version"
 
 
 }
diff --git a/...es/webviewdemo/ExampleInstrumentedTest.kt → ...d/samples/webviewdemo/MainActivityTest.kt b/...es/webviewdemo/ExampleInstrumentedTest.kt → ...d/samples/webviewdemo/MainActivityTest.kt
@@ -15,6 +15,10 @@
  */
 
 package com.android.samples.webviewdemo
+import android.content.Context
+import android.os.Looper
+import android.webkit.WebView
+import androidx.test.core.app.ApplicationProvider
 import androidx.test.espresso.web.assertion.WebViewAssertions.webMatches
 import androidx.test.espresso.web.model.Atoms.castOrDie
 import androidx.test.espresso.web.model.Atoms.script
@@ -25,17 +29,24 @@ import androidx.test.espresso.web.webdriver.DriverAtoms.webClick
 import androidx.test.espresso.web.webdriver.Locator
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.rule.ActivityTestRule
+import junit.framework.Assert.assertEquals
+import junit.framework.Assert.assertTrue
 import org.hamcrest.CoreMatchers.`is`
 import org.hamcrest.CoreMatchers.containsString
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 
+
 /**
  * Launch, interact, and verify conditions in an activity that has a WebView instance.
  */
 @RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
+
+
+class MainActivityTest {
+
+    val context = ApplicationProvider.getApplicationContext<Context>()
 
     @Rule @JvmField
     val mainActivityRule = ActivityTestRule(MainActivity::class.java)
@@ -71,4 +82,78 @@ class ExampleInstrumentedTest {
             )
         )
     }
+
+    @Test
+    fun valueInCallback_compareValueInput_returnsTrue(){
+        mainActivityRule.getActivity()
+
+        // Setup
+        val webView = WebView(context)
+        val jsObjName = "jsObject"
+        val allowedOriginRules = setOf<String>("https://example.com")
+
+        // Create HTML
+        val htmlPage = "<!DOCTYPE html><html><body>" + "    <script>" + "        myObject.postMessage('hello');" + "    </script>" + "</body></html>"
+
+        // Create JsObject
+        MainActivity.createJsObject(
+            webView,
+            jsObjName,
+            allowedOriginRules
+        ) { message -> MainActivity.invokeShareIntent(message) }
+
+        //Inject JsObject into Html
+        webView.loadData(htmlPage, "text/html", "UTF-8")
+
+
+        //Call js code to invoke callback (in script tag of htmlPage)
+
+        // evaluate what comes out -> it should be hello
+        // *Note: "response from callback" is a place holder here I am unsure what should be placed there
+        assertEquals("response from callback", "hello")
+
+    }
+
+    @Test
+    // Checks that postMessage runs on the UI thread
+    fun checkingThreadCallbackRunsOn() {
+        mainActivityRule.getActivity()
+
+        // Setup
+        val webView = WebView(context)
+        val jsObjName = "jsObject"
+        val allowedOriginRules = setOf<String>("https://example.com")
+
+        // Create HTML
+        val htmlPage =
+            "<!DOCTYPE html><html><body>" + "    <script>" + "        jsObject.postMessage('hello');" + "    </script>" + "</body></html>"
+
+
+        // Create JsObject
+        MainActivity.createJsObject(
+            webView,
+            jsObjName,
+            allowedOriginRules
+        ) { message -> MainActivity.invokeShareIntent(message) }
+
+
+        // Inject JsObject into Html by loading it in the webview
+        webView.loadData(htmlPage, "text/html", "UTF-8")
+
+
+        // Use coroutine to go onto UI thread here?
+        // Call js code to invoke callback (in script tag of htmlPage)
+
+
+        // check that method is running on the UI thread
+        assertTrue(isUiThread())
+    }
+
+    /**
+     * Returns true if the current thread is the UI thread based on the
+     * Looper.
+     */
+    private fun isUiThread(): Boolean {
+        return Looper.myLooper() == Looper.getMainLooper()
+    }
 }
diff --git a/WebView/app/src/test/java/com/android/samples/webviewdemo/ExampleUnitTest.kt b/WebView/app/src/test/java/com/android/samples/webviewdemo/ExampleUnitTest.kt
@@ -16,36 +16,18 @@
 
 package com.android.samples.webviewdemo
 
-import org.junit.Assert.assertThat
 import org.junit.Test
-import java.util.Objects
+
+import org.junit.Assert.*
 
 /**
- * Tests to ensure that callbacks are behaving as expected
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
  */
-
-
-class EmailValidatorTest {
+class ExampleUnitTest {
     @Test
-    fun testConvertFahrenheitToCelsius() {
-        val actual: Float = ConverterUtil.convertCelsiusToFahrenheit(100)
-        // expected value is 212
-        val expected = 212f
-        // use this method because float is not precise
-       // assertEquals("Conversion from celsius to fahrenheit failed", expected, actual, 0.001)
-    }
-    @Test
-    fun postMessage_CorrectStringFormat_ReturnsTrue() {
-        // create object
-                // what object do we need to create?
-                // we need to create a js object to call postMessage on
-
-        val jsObject: Objects =
-
-            // create expected return
-        // call post message
-        // check that post message
-
-       // assertEquals("Hi", jsObject.postMessage("Hi"))
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
     }
 }