| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.sysds.test.functions.privacy; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import org.apache.wink.json4j.JSONException; |
| import org.junit.Test; |
| import org.apache.sysds.parser.DataExpression; |
| import org.apache.sysds.runtime.meta.MatrixCharacteristics; |
| import org.apache.sysds.runtime.privacy.PrivacyConstraint; |
| import org.apache.sysds.runtime.privacy.PrivacyConstraint.PrivacyLevel; |
| import org.apache.sysds.test.AutomatedTestBase; |
| import org.apache.sysds.test.TestConfiguration; |
| import org.apache.sysds.test.TestUtils; |
| |
| public class MatrixMultiplicationPropagationTest extends AutomatedTestBase { |
| |
| private static final String TEST_DIR = "functions/privacy/"; |
| private final static String TEST_CLASS_DIR = TEST_DIR + MatrixMultiplicationPropagationTest.class.getSimpleName() + "/"; |
| private final int m = 20; |
| private final int n = 20; |
| private final int k = 20; |
| |
| @Override |
| public void setUp() { |
| addTestConfiguration("MatrixMultiplicationPropagationTest", |
| new TestConfiguration(TEST_CLASS_DIR, "MatrixMultiplicationPropagationTest", new String[]{"c"})); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationPrivate() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.Private, true); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationNone() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.None, true); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationPrivateAggregation() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.PrivateAggregation, true); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationSecondOperandPrivate() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.Private, false); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationSecondOperandNone() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.None, false); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPropagationSecondOperandPrivateAggregation() throws JSONException { |
| matrixMultiplicationPropagation(PrivacyLevel.PrivateAggregation, false); |
| } |
| |
| private void matrixMultiplicationPropagation(PrivacyLevel privacyLevel, boolean privateFirstOperand) throws JSONException { |
| |
| TestConfiguration config = availableTestConfigurations.get("MatrixMultiplicationPropagationTest"); |
| loadTestConfiguration(config); |
| fullDMLScriptName = SCRIPT_DIR + TEST_DIR + config.getTestScript() + ".dml"; |
| programArgs = new String[]{"-nvargs", |
| "a=" + input("a"), "b=" + input("b"), "c=" + output("c"), |
| "m=" + m, "n=" + n, "k=" + k}; |
| |
| double[][] a = getRandomMatrix(m, n, -1, 1, 1, -1); |
| double[][] b = getRandomMatrix(n, k, -1, 1, 1, -1); |
| double[][] c = TestUtils.performMatrixMultiplication(a, b); |
| |
| PrivacyConstraint privacyConstraint = new PrivacyConstraint(privacyLevel); |
| MatrixCharacteristics dataCharacteristics = new MatrixCharacteristics(m,n,k,k); |
| |
| if ( privateFirstOperand ) { |
| writeInputMatrixWithMTD("a", a, false, dataCharacteristics, privacyConstraint); |
| writeInputMatrix("b", b); |
| } |
| else { |
| writeInputMatrix("a", a); |
| writeInputMatrixWithMTD("b", b, false, dataCharacteristics, privacyConstraint); |
| } |
| |
| writeExpectedMatrix("c", c); |
| |
| runTest(true,false,null,-1); |
| |
| // Check that the output data is correct |
| compareResults(1e-9); |
| |
| // Check that the output metadata is correct |
| if ( privacyLevel != PrivacyLevel.None ){ |
| String actualPrivacyValue = readDMLMetaDataValue("c", OUTPUT_DIR, DataExpression.PRIVACY); |
| assertEquals(String.valueOf(privacyLevel), actualPrivacyValue); |
| } else exceptionExpected("c", OUTPUT_DIR); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationNoPropagation() { |
| matrixMultiplicationNoPropagation(); |
| } |
| |
| private void matrixMultiplicationNoPropagation() { |
| TestConfiguration config = availableTestConfigurations.get("MatrixMultiplicationPropagationTest"); |
| loadTestConfiguration(config); |
| fullDMLScriptName = SCRIPT_DIR + TEST_DIR + config.getTestScript() + ".dml"; |
| programArgs = new String[]{ "-nvargs", |
| "a=" + input("a"), "b=" + input("b"), "c=" + output("c"), |
| "m=" + m, "n=" + n, "k=" + k}; |
| |
| double[][] a = getRandomMatrix(m, n, -1, 1, 1, -1); |
| double[][] b = getRandomMatrix(n, k, -1, 1, 1, -1); |
| double[][] c = TestUtils.performMatrixMultiplication(a, b); |
| |
| |
| writeInputMatrix("a", a); |
| writeInputMatrix("b", b); |
| writeExpectedMatrix("c", c); |
| |
| runTest(true,false,null,-1); |
| |
| // Check that the output data is correct |
| compareResults(1e-9); |
| |
| // Check that a JSONException is thrown |
| // because no privacy metadata should be written to c |
| exceptionExpected("c", OUTPUT_DIR); |
| } |
| |
| /** |
| * Check that an exception is thrown when metadata of variable is read. |
| * @param variable name of variable |
| * @param dir directory of variable |
| */ |
| private static void exceptionExpected(String variable, String dir){ |
| boolean JSONExceptionThrown = false; |
| try{ |
| readDMLMetaDataValue(variable, dir, DataExpression.PRIVACY); |
| } catch (JSONException e){ |
| JSONExceptionThrown = true; |
| } catch (Exception e){ |
| fail("Exception occured, but JSONException was expected. The exception thrown is: " + e.getMessage()); |
| e.printStackTrace(); |
| } |
| assert(JSONExceptionThrown); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPrivacyInputPrivate() throws JSONException { |
| testMatrixMultiplicationPrivacyInput(PrivacyLevel.Private); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPrivacyInputNone() throws JSONException { |
| testMatrixMultiplicationPrivacyInput(PrivacyLevel.None); |
| } |
| |
| @Test |
| public void testMatrixMultiplicationPrivacyInputPrivateAggregation() throws JSONException { |
| testMatrixMultiplicationPrivacyInput(PrivacyLevel.PrivateAggregation); |
| } |
| |
| private void testMatrixMultiplicationPrivacyInput(PrivacyLevel privacyLevel) throws JSONException { |
| TestConfiguration config = availableTestConfigurations.get("MatrixMultiplicationPropagationTest"); |
| loadTestConfiguration(config); |
| |
| double[][] a = getRandomMatrix(m, n, -1, 1, 1, -1); |
| |
| PrivacyConstraint privacyConstraint = new PrivacyConstraint(privacyLevel); |
| MatrixCharacteristics dataCharacteristics = new MatrixCharacteristics(m,n,k,k); |
| |
| writeInputMatrixWithMTD("a", a, false, dataCharacteristics, privacyConstraint); |
| |
| if ( privacyLevel != PrivacyLevel.None ){ |
| String actualPrivacyValue = readDMLMetaDataValue("a", INPUT_DIR, DataExpression.PRIVACY); |
| assertEquals(String.valueOf(privacyLevel), actualPrivacyValue); |
| } else exceptionExpected("a", INPUT_DIR); |
| |
| } |
| } |