Added camera burst startup test running in tf.
Test: camera performance

Change-Id: I5b05df9a2948ea54cfd3bdc66f34a6f277549ba9
diff --git a/src/com/android/media/tests/CameraBurstStartupTest.java b/src/com/android/media/tests/CameraBurstStartupTest.java
new file mode 100644
index 0000000..74d7e87
--- /dev/null
+++ b/src/com/android/media/tests/CameraBurstStartupTest.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2017 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 com.android.media.tests;
+
+import com.android.ddmlib.testrunner.TestIdentifier;
+import com.android.tradefed.config.OptionClass;
+import com.android.tradefed.device.DeviceNotAvailableException;
+import com.android.tradefed.log.LogUtil.CLog;
+import com.android.tradefed.result.ITestInvocationListener;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Camera burst startup test
+ *
+ * <p>Runs Camera device performance test to measure time for taking a burst shot.
+ */
+@OptionClass(alias = "camera-burst-shot")
+public class CameraBurstStartupTest extends CameraTestBase {
+
+    private static final Pattern STATS_REGEX = Pattern.compile("^(?<average>[0-9.]+)");
+
+    public CameraBurstStartupTest() {
+        setTestPackage("com.google.android.camera");
+        setTestClass("com.android.camera.latency.BurstStartupTest");
+        setTestRunner("android.test.InstrumentationTestRunner");
+        setRuKey("CameraBurstStartup");
+        setTestTimeoutMs(60 * 60 * 1000); // 1 hour
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
+        runInstrumentationTest(listener, new CollectingListener(listener));
+    }
+
+    /** A listener to collect the output from test run and fatal errors */
+    private class CollectingListener extends DefaultCollectingListener {
+
+        public CollectingListener(ITestInvocationListener listener) {
+            super(listener);
+        }
+
+        @Override
+        public void handleMetricsOnTestEnded(TestIdentifier test, Map<String, String> testMetrics) {
+            // Test metrics accumulated will be posted at the end of test run.
+            getAggregatedMetrics().putAll(parseResults(test.getTestName(), testMetrics));
+        }
+
+        public Map<String, String> parseResults(String testName, Map<String, String> testMetrics) {
+            // Parse burst startup stats from the instrumentation result.
+            Map<String, String> parsed = new HashMap<String, String>();
+            for (Map.Entry<String, String> metric : testMetrics.entrySet()) {
+                Matcher matcher = STATS_REGEX.matcher(metric.getValue());
+
+                if (matcher.matches()) {
+                    // Key name consists of a pair of test name and metric name.
+                    String keyName = String.format("%s_%s", testName, metric.getKey());
+                    parsed.put(keyName, matcher.group("average"));
+                } else {
+                    CLog.w(String.format("Stats not in correct format: %s", metric.getValue()));
+                }
+            }
+            return parsed;
+        }
+    }
+}