Android example source code file (TestPrinter.java)

This example Android source code file (TestPrinter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, hashset, n, set, string, testlistener, testprinter, throwable, util, utilities, utils

The TestPrinter.java Android example source code

/*
 * Copyright (C) 2006 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 android.test;

import android.util.Log;
import junit.framework.Test;
import junit.framework.TestListener;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Prints the test progress to stdout. Android includes a default
 * implementation and calls these methods to print out test progress; you
 * probably will not need to create or extend this class or call its methods manually.
 * See the full {@link android.test} package description for information about
 * getting test results.
 * 
 * {@hide} Not needed for 1.0 SDK.
 */
public class TestPrinter implements TestRunner.Listener, TestListener {

    private String mTag;
    private boolean mOnlyFailures;
    private Set<String> mFailedTests = new HashSet();


    public TestPrinter(String tag, boolean onlyFailures) {
        mTag = tag;
        mOnlyFailures = onlyFailures;
    }

    public void started(String className) {
        if (!mOnlyFailures) {
            Log.i(mTag, "started: " + className);
        }
    }

    public void finished(String className) {
        if (!mOnlyFailures) {
            Log.i(mTag, "finished: " + className);
        }
    }

    public void performance(String className,
            long itemTimeNS, int iterations,
            List<TestRunner.IntermediateTime> intermediates) {
        Log.i(mTag, "perf: " + className + " = " + itemTimeNS + "ns/op (done "
                + iterations + " times)");
        if (intermediates != null && intermediates.size() > 0) {
            int N = intermediates.size();
            for (int i = 0; i < N; i++) {
                TestRunner.IntermediateTime time = intermediates.get(i);
                Log.i(mTag, "  intermediate: " + time.name + " = "
                        + time.timeInNS + "ns");
            }
        }
    }

    public void passed(String className) {
        if (!mOnlyFailures) {
            Log.i(mTag, "passed: " + className);
        }
    }

    public void failed(String className, Throwable exception) {
        Log.i(mTag, "failed: " + className);
        Log.i(mTag, "----- begin exception -----");
        Log.i(mTag, "", exception);
        Log.i(mTag, "----- end exception -----");
    }

    private void failed(Test test, Throwable t) {
        mFailedTests.add(test.toString());
        failed(test.toString(), t);
    }
    
    public void addError(Test test, Throwable t) {
        failed(test, t);
    }

    public void addFailure(Test test, junit.framework.AssertionFailedError t) {
        failed(test, t);
    }

    public void endTest(Test test) {
        finished(test.toString());
        if (!mFailedTests.contains(test.toString())) {
            passed(test.toString());
        }
        mFailedTests.remove(test.toString());
    }

    public void startTest(Test test) {
        started(test.toString());
    }
}