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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package org.skia.skqp;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.graphics.RuntimeShader;
import android.util.Log;
import androidx.test.InstrumentationRegistry;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Pattern;
import org.junit.runner.Description;
import org.junit.runner.RunWith;
import org.junit.runner.Runner;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.manipulation.Filterable;
import org.junit.runner.manipulation.NoTestsRemainException;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;
@RunWith(SkQPRunner.class)
public class SkQPRunner extends Runner implements Filterable {
private Description[] mUnitTestDesc;
private Description[] mSkSLErrorTestDesc;
private Description mSuiteDesc;
private String mOutputDirectory;
private SkQP mImpl;
private static final String TAG = SkQP.LOG_PREFIX;
private interface TestExecutor {
public int numTests();
public String name(int index);
public Description desc(int index);
public boolean run(RunNotifier notifier, int index);
}
private static void Fail(Description desc, RunNotifier notifier, String failure) {
notifier.fireTestFailure(new Failure(desc, new SkQPFailure(failure)));
}
////////////////////////////////////////////////////////////////////////////
public SkQPRunner(Class testClass) {
mImpl = new SkQP();
Context context = InstrumentationRegistry.getTargetContext();
String now = (new SimpleDateFormat("yyyy-MM-dd'T'HHmmss")).format(new Date());
File reportPath = new File(context.getExternalFilesDir(null), "skqp_report_" + now);
reportPath.mkdirs();
mOutputDirectory = reportPath.getAbsolutePath();
Log.i(TAG, String.format("output written to \"%s\"", mOutputDirectory));
AssetManager assetManager = context.getResources().getAssets();
mImpl.nInit(assetManager, mOutputDirectory);
mUnitTestDesc = new Description[mImpl.mUnitTests.length];
for (int index = 0; index < mUnitTestDesc.length; ++index) {
mUnitTestDesc[index] = Description.createTestDescription(
SkQPRunner.class, "UnitTest_" + mImpl.mUnitTests[index]);
}
mSkSLErrorTestDesc = new Description[mImpl.mSkSLErrorTestName.length];
for (int index = 0; index < mSkSLErrorTestDesc.length; ++index) {
mSkSLErrorTestDesc[index] = Description.createTestDescription(
SkQPRunner.class, "SkSLErrorTest_" + mImpl.mSkSLErrorTestName[index]);
}
this.applyFilter(null);
}
private void applyFilter(Filter filter) {
mSuiteDesc = Description.createSuiteDescription(SkQP.class);
addFilteredTestsToSuite(mUnitTestDesc, filter);
addFilteredTestsToSuite(mSkSLErrorTestDesc, filter);
}
private void addFilteredTestsToSuite(Description[] tests, Filter filter) {
for (int i = 0; i < tests.length; ++i) {
if (filter == null || filter.shouldRun(tests[i])) {
mSuiteDesc.addChild(tests[i]);
} else {
tests[i] = Description.EMPTY;
}
}
}
@Override
public void filter(Filter filter) throws NoTestsRemainException {
this.applyFilter(filter);
if (mSuiteDesc.isEmpty()) {
throw new NoTestsRemainException();
}
}
@Override
public Description getDescription() {
return mSuiteDesc;
}
@Override
public void run(RunNotifier notifier) {
int testNumber = 0;
testNumber = runTests(notifier, new SkSLErrorTestExecutor(), testNumber);
testNumber = runTests(notifier, new UnitTestExecutor(), testNumber);
mImpl.nMakeReport();
Log.i(TAG, String.format("output written to \"%s\"", mOutputDirectory));
}
private int runTests(RunNotifier notifier, TestExecutor executor, int testNumber) {
for (int index = 0; index < executor.numTests(); index++) {
Description desc = executor.desc(index);
if (desc.isEmpty()) {
// This test was filtered out and can be skipped.
continue;
}
++testNumber;
notifier.fireTestStarted(desc);
String result = executor.run(notifier, index) ? "pass" : "FAIL";
notifier.fireTestFinished(desc);
Log.i(TAG, String.format("Test '%s' complete (%d/%d). [%s]", executor.name(index),
testNumber, mSuiteDesc.testCount(), result));
}
return testNumber;
}
class UnitTestExecutor implements TestExecutor {
public int numTests() {
return mUnitTestDesc.length;
}
public String name(int index) {
return desc(index).getMethodName();
}
public Description desc(int index) {
return mUnitTestDesc[index];
}
public boolean run(RunNotifier notifier, int index) {
String[] errors = mImpl.nExecuteUnitTest(index);
if (errors != null && errors.length > 0) {
Log.w(TAG, String.format("[FAIL] Test '%s' had %d failures.",
name(index), errors.length));
for (String error : errors) {
SkQPRunner.Fail(desc(index), notifier, error);
Log.w(TAG, String.format("[FAIL] '%s': %s", name(index), error));
}
return false;
}
return true;
}
}
class SkSLErrorTestExecutor implements TestExecutor {
public int numTests() {
return mSkSLErrorTestDesc.length;
}
public String name(int index) {
return mImpl.mSkSLErrorTestName[index];
}
public Description desc(int index) {
return mSkSLErrorTestDesc[index];
}
public boolean run(RunNotifier notifier, int index) {
String shaderText = mImpl.mSkSLErrorTestShader[index];
try {
new RuntimeShader(shaderText);
// Because this is an error test, we expected an exception to be thrown.
// If we reach this point, no exception occurred; report this as an error.
SkQPRunner.Fail(desc(index), notifier, "Shader did not generate any errors.");
Log.w(TAG, String.format("[FAIL] '%s': Shader did not generate any errors",
name(index)));
return false;
}
catch (Exception ex) {
// Verify that RuntimeShader actually emitted the expected error messages.
// The list of expectations isn't necessarily exhaustive, though.
String errorText = ex.getMessage();
String[] block = shaderText.split(Pattern.quote("*%%*"));
if (block.length >= 3) {
// We only intend to support a single /%**%/ section.
// Because we are splitting on *%%*, expectations should always be in block[1].
String[] expectations = block[1].split("\n");
for (String expectation : expectations) {
if (expectation.length() == 0) {
continue;
}
int errIndex = errorText.indexOf(expectation);
// If this error wasn't reported, trigger an error.
if (errIndex < 0) {
String failMessage = String.format("Expected error '%s', got '%s'",
expectation, ex.getMessage());
SkQPRunner.Fail(desc(index), notifier, failMessage);
Log.w(TAG, String.format("[FAIL] '%s': %s", name(index), failMessage));
return false;
}
// We found the error that we expected to have. Remove that error from our
// text, and everything preceding it as well. This ensures that we don't
// match the same error twice, and that errors are reported in the order
// we expect.
errorText = errorText.substring(errIndex + expectation.length());
}
}
}
return true;
}
}
}
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