Merge pull request #786 from android/st/topic-screen-benchmark

Added scroll test for topic list

benchmarks/src/main/java/com/google/samples/apps/nowinandroid/interests/ScrollTopicListBenchmark.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 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
+ *
+ *     https://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 com.google.samples.apps.nowinandroid.interests
+
+import androidx.benchmark.macro.CompilationMode
+import androidx.benchmark.macro.FrameTimingMetric
+import androidx.benchmark.macro.StartupMode
+import androidx.benchmark.macro.junit4.MacrobenchmarkRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.uiautomator.By
+import com.google.samples.apps.nowinandroid.PACKAGE_NAME
+import com.google.samples.apps.nowinandroid.allowNotifications
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class ScrollTopicListBenchmark {
+    @get:Rule
+    val benchmarkRule = MacrobenchmarkRule()
+
+    @Test
+    fun benchmarkStateChangeCompilationBaselineProfile() =
+        benchmarkStateChange(CompilationMode.Partial())
+
+    private fun benchmarkStateChange(compilationMode: CompilationMode) =
+        benchmarkRule.measureRepeated(
+            packageName = PACKAGE_NAME,
+            metrics = listOf(FrameTimingMetric()),
+            compilationMode = compilationMode,
+            iterations = 10,
+            startupMode = StartupMode.WARM,
+            setupBlock = {
+                // Start the app
+                pressHome()
+                startActivityAndWait()
+                allowNotifications()
+                // Navigate to interests screen
+                device.findObject(By.text("Interests")).click()
+                device.waitForIdle()
+            },
+        ) {
+            interestsWaitForTopics()
+            repeat(3) {
+                interestsScrollTopicsDownUp()
+            }
+        }
+}