Adding system health diags for OOP tests (bd31868e) · Commits · e / os / android_packages_apps_Trebuchet

tests/tapl/AndroidManifest.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -23,4 +23,6 @@
		>

		<uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>
		<uses-permission android:name="android.permission.READ_LOGS"/>
		<uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>
		</manifest>

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

+83 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@ import android.graphics.Rect;
		import android.net.Uri;
		import android.os.Build;
		import android.os.Bundle;
		import android.os.DropBoxManager;
		import android.os.Parcelable;
		import android.os.SystemClock;
		import android.text.TextUtils;
		@@ -274,14 +275,96 @@ public final class LauncherInstrumentation {
		return null;
		}

		private static String truncateCrash(String text, int maxLines) {
		String[] lines = text.split("\\r?\\n");
		StringBuilder ret = new StringBuilder();
		for (int i = 0; i < maxLines && i < lines.length; i++) {
		ret.append(lines[i]);
		ret.append('\n');
		}
		if (lines.length > maxLines) {
		ret.append("... ");
		ret.append(lines.length - maxLines);
		ret.append(" more lines truncated ...\n");
		}
		return ret.toString();
		}

		private String checkCrash(String label) {
		DropBoxManager dropbox = (DropBoxManager) getContext().getSystemService(
		Context.DROPBOX_SERVICE);
		Assert.assertNotNull("Unable access the DropBoxManager service", dropbox);

		long timestamp = 0;
		DropBoxManager.Entry entry;
		int crashCount = 0;
		StringBuilder errorDetails = new StringBuilder();
		while (null != (entry = dropbox.getNextEntry(label, timestamp))) {
		String dropboxSnippet;
		try {
		dropboxSnippet = entry.getText(4096);
		} finally {
		entry.close();
		}

		crashCount++;
		errorDetails.append(label);
		errorDetails.append(": ");
		errorDetails.append(truncateCrash(dropboxSnippet, 40));
		errorDetails.append(" ...\n");

		timestamp = entry.getTimeMillis();
		}
		Assert.assertEquals(errorDetails.toString(), 0, crashCount);
		return crashCount > 0 ? errorDetails.toString() : null;
		}

		private String getSystemHealthMessage() {
		try {
		StringBuilder errors = new StringBuilder();

		final String testPackage = getContext().getPackageName();
		try {
		mDevice.executeShellCommand("pm grant " + testPackage +
		" android.permission.READ_LOGS");
		mDevice.executeShellCommand("pm grant " + testPackage +
		" android.permission.PACKAGE_USAGE_STATS");
		} catch (IOException e) {
		e.printStackTrace();
		}

		final String[] labels = {
		"system_server_crash",
		"system_server_native_crash",
		"system_server_anr",
		};

		for (String label : labels) {
		final String crash = checkCrash(label);
		if (crash != null) errors.append(crash);
		}

		return errors.length() != 0 ? errors.toString() : null;
		} catch (Exception e) {
		return null;
		}
		}

		private void fail(String message) {
		message = "http://go/tapl : " + getContextDescription() + message;

		final String anomaly = getAnomalyMessage();
		if (anomaly != null) message = anomaly + ", which causes:\n" + message;

		final String systemHealth = getSystemHealthMessage();
		if (systemHealth != null) {
		message = message + ", which might be a consequence of system health problems:\n<<<\n"
		+ systemHealth + "\n>>>";
		}

		log("Hierarchy dump for: " + message);
		dumpViewHierarchy();

		Assert.fail(message);
		}