reproduce.patch

Index: runner/AndroidTestOrchestratorSample/app/src/androidTest/java/nottest/intended/CalculatorInstrumentationTest.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- runner/AndroidTestOrchestratorSample/app/src/androidTest/java/nottest/intended/CalculatorInstrumentationTest.java	(date 1618976535000)
+++ runner/AndroidTestOrchestratorSample/app/src/androidTest/java/nottest/intended/CalculatorInstrumentationTest.java	(date 1618976535000)
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2020, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package nottest.intended;
+
+import androidx.test.core.app.ActivityScenario;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnitRunner;
+
+import com.example.android.testing.androidtestorchestratorsample.CalculatorActivity;
+import com.example.android.testing.androidtestorchestratorsample.R;
+
+import junit.framework.TestSuite;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.internal.builders.AllDefaultPossibilitiesBuilder;
+import org.junit.runner.RunWith;
+
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.action.ViewActions.closeSoftKeyboard;
+import static androidx.test.espresso.action.ViewActions.typeText;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+/**
+ * JUnit4 Ui Tests for {@link CalculatorActivity} using the {@link AndroidJUnitRunner} with the
+ * Android Test Orchestrator.
+ * This class uses the JUnit4 syntax for tests.
+ * <p>
+ * With the new AndroidJUnit runner you can run both JUnit3 and JUnit4 tests in a single test
+ * suite. The {@link AndroidRunnerBuilder} which extends JUnit's
+ * {@link AllDefaultPossibilitiesBuilder} will create a single {@link
+ * TestSuite} from all tests and run them.
+ */
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class CalculatorInstrumentationTest {
+
+    /**
+     * Use {@link ActivityScenario} to create and launch of the activity.
+     */
+    @Before
+    public void launchActivity() {
+        ActivityScenario.launch(CalculatorActivity.class);
+    }
+
+    @Test
+    public void noOperandShowsComputationError() {
+        final String expectedResult = getApplicationContext().getString(R.string.computationError);
+        onView(withId(R.id.operation_add_btn)).perform(click());
+        onView(withId(R.id.operation_result_text_view)).check(matches(withText(expectedResult)));
+    }
+
+    @Test
+    public void typeOperandsAndPerformAddOperation() {
+        performOperation(R.id.operation_add_btn, "16.0", "16.0", "32.0");
+    }
+
+    @Test
+    public void typeOperandsAndPerformSubOperation() {
+        performOperation(R.id.operation_sub_btn, "32.0", "16.0", "16.0");
+    }
+
+    @Test
+    public void typeOperandsAndPerformDivOperation() {
+        performOperation(R.id.operation_div_btn, "128.0", "16.0", "8.0");
+    }
+
+    @Test
+    public void divZeroForOperandTwoShowsError() {
+        final String expectedResult = getApplicationContext().getString(R.string.computationError);
+        performOperation(R.id.operation_div_btn, "128.0", "0.0", expectedResult);
+    }
+
+    @Test
+    public void typeOperandsAndPerformMulOperation() {
+        performOperation(R.id.operation_mul_btn, "16.0", "16.0", "256.0");
+    }
+
+    private void performOperation(int btnOperationResId, String operandOne,
+            String operandTwo, String expectedResult) {
+        // Type the two operands in the EditText fields
+        onView(withId(R.id.operand_one_edit_text)).perform(typeText(operandOne),
+                closeSoftKeyboard());
+        onView(withId(R.id.operand_two_edit_text)).perform(typeText(operandTwo),
+                closeSoftKeyboard());
+
+        // Click on a given operation button
+        onView(withId(btnOperationResId)).perform(click());
+
+        // Check the expected test is displayed in the Ui
+        onView(withId(R.id.operation_result_text_view)).check(matches(withText(expectedResult)));
+    }
+
+}