Unit tests for flutter and android (#558)

* added initial test support

* added travis setup

* modified tests

* test new travis script

* added tests for android

* added android unit test support

* upgraded script

* fixed typo

* added execute permissions

* configured gradle

* configured github actions

* updated github actions

* added andorid ut

* added android yml

* renamed files and tasks

* removed redundant name

* renamed tasks

* fixed andorid ut script

Author: charafau

.github/workflows/android_ut.yml

@@ -0,0 +1,20 @@
+name: Android Unit Tests
+
+on: [push]
+
+jobs:
+  test:
+    name: Linux Android Unit Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+      - uses: subosito/flutter-action@v1
+        with:
+          flutter-version: '1.7.8+hotfix.4'
+      - run: flutter doctor
+      - run: flutter pub get
+      - run: sh android_test.sh 

.github/workflows/flutter_ut.yml

@@ -0,0 +1,20 @@
+name: Flutter Unit Tests
+
+on: [push]
+
+jobs:
+  test:
+    name: Linux Flutter Unit Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+      - uses: subosito/flutter-action@v1
+        with:
+          flutter-version: '1.7.8+hotfix.4'
+      - run: flutter doctor
+      - run: flutter pub get
+      - run: flutter test

.gitignore

@@ -4,6 +4,7 @@
 .vscode
 .packages
 .pub/
+.gradle/
 build/
 ios/.generated/
 packages
@@ -14,4 +15,6 @@ example/ios/Podfile.lock
 **/Flutter/Flutter.framework/
 **/Flutter/Generated.xcconfig/
 **/Flutter/flutter_assets/
-flutter_export_environment.sh
+example/ios/Flutter/flutter_export_environment.sh
+android/.project
+android/.settings/

android/.gitignore

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android-gradle" name="Android-Gradle">
+      <configuration>
+        <option name="GRADLE_PROJECT_PATH" value=":" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

android/android.iml

@@ -45,7 +45,27 @@ android {
     lintOptions {
         disable 'InvalidPackage'
     }
+
+    testOptions {
+        unitTests {
+            includeAndroidResources = true
+        }
+    }
 }
 dependencies {
-    implementation group: 'androidx.appcompat', name: 'appcompat', version: '1.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+
+	testImplementation 'junit:junit:4.12'
+    testImplementation 'androidx.test:core:1.2.0'
+
+//    When running unit tests for project, gradle needs to have flutter.jar in path
+//    since there's no FLUTTER_HOME variable, we need to pass flutterPath from console with command:
+//    ./gradlew test -DflutterPath=/Users/rafal.wachol/Utils/flutter
+//
+//    while develop you can set path to this jar explicitly so IDE won't complain
+    if(System.getProperty('flutterPath')) {
+        testImplementation files(System.getProperty('flutterPath') + '/bin/cache/artifacts/engine/android-x64/flutter.jar')
+    }
+
+    testImplementation 'org.mockito:mockito-inline:2.28.2'
 }

android/build.gradle

@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Mon Jun 03 19:01:20 BST 2019
+sdk.dir=C\:\\Users\\Gloria\\AppData\\Local\\Android\\Sdk

android/flutter_webview_plugin.iml

@@ -38,7 +38,7 @@ public static void registerWith(PluginRegistry.Registrar registrar) {
         channel.setMethodCallHandler(instance);
     }
 
-    private FlutterWebviewPlugin(Activity activity, Context context) {
+    FlutterWebviewPlugin(Activity activity, Context context) {
         this.activity = activity;
         this.context = context;
     }
@@ -88,7 +88,7 @@ public void onMethodCall(MethodCall call, MethodChannel.Result result) {
         }
     }
 
-    private void openUrl(MethodCall call, MethodChannel.Result result) {
+     void openUrl(MethodCall call, MethodChannel.Result result) {
         boolean hidden = call.argument("hidden");
         String url = call.argument("url");
         String userAgent = call.argument("userAgent");
@@ -172,7 +172,7 @@ private void stopLoading(MethodCall call, MethodChannel.Result result) {
         result.success(null);
     }
 
-    private void close(MethodCall call, MethodChannel.Result result) {
+    void close(MethodCall call, MethodChannel.Result result) {
         if (webViewManager != null) {
             webViewManager.close(call, result);
             webViewManager = null;

android/local.properties

@@ -0,0 +1,41 @@
+package com.flutter_webview_plugin;
+
+import android.app.Activity;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+
+import io.flutter.plugin.common.ErrorLogResult;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+
+import static org.mockito.Mockito.verify;
+
+public class FlutterWebviewPluginTest {
+
+    @Mock
+    Activity mockActivity;
+
+    MethodCall mockMethodCall;
+    MethodChannel.Result mockResult;
+
+    @Spy
+    FlutterWebviewPlugin flutterWebviewPlugin = new FlutterWebviewPlugin(mockActivity, mockActivity);
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void shouldInvokeClose() {
+        mockMethodCall = new MethodCall("close", null);
+        mockResult = new ErrorLogResult("");
+        flutterWebviewPlugin.onMethodCall(mockMethodCall, mockResult);
+        verify(flutterWebviewPlugin).close(mockMethodCall, mockResult);
+
+    }
+}