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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition.processing;
import com.yahoo.searchdefinition.parser.ParseException;
import com.yahoo.tensor.Tensor;
import com.yahoo.yolean.Exceptions;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
/**
* @author bratseth
*/
public class RankingExpressionWithTensorFlowTestCase {
private final String modelDirectory = "src/test/integration/tensorflow/mnist_softmax/saved";
private final String vespaExpression = "join(rename(reduce(join(Placeholder, rename(constant(Variable), (d0, d1), (d1, d3)), f(a,b)(a * b)), sum, d1), d3, d1), rename(constant(Variable_1), d0, d1), f(a,b)(a + b))";
@Test
public void testMinimalTensorFlowReference() throws ParseException {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: tensorflow('" + modelDirectory + "')" +
" }\n" +
" }");
search.assertFirstPhaseExpression(vespaExpression, "my_profile");
Tensor variable_1 = search.rankProfile("my_profile").getConstants().get("Variable_1").asTensor();
assertNotNull("Variable_1 is imported", variable_1);
assertEquals(10, variable_1.size());
Tensor variable = search.rankProfile("my_profile").getConstants().get("Variable").asTensor();
assertNotNull("Variable is imported", variable);
assertEquals(7840, variable.size());
}
@Test
public void testNestedTensorFlowReference() throws ParseException {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: 5 + sum(tensorflow('" + modelDirectory + "'))" +
" }\n" +
" }");
search.assertFirstPhaseExpression("5 + reduce(" + vespaExpression + ", sum)", "my_profile");
Tensor variable_1 = search.rankProfile("my_profile").getConstants().get("Variable_1").asTensor();
assertNotNull("Variable_1 is imported", variable_1);
assertEquals(10, variable_1.size());
Tensor variable = search.rankProfile("my_profile").getConstants().get("Variable").asTensor();
assertNotNull("Variable is imported", variable);
assertEquals(7840, variable.size());
}
@Test
public void testTensorFlowReferenceSpecifyingSignature() throws ParseException {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: tensorflow('" + modelDirectory + "', 'serving_default')" +
" }\n" +
" }");
search.assertFirstPhaseExpression(vespaExpression, "my_profile");
}
@Test
public void testTensorFlowReferenceSpecifyingSignatureAndOutput() throws ParseException {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: tensorflow('" + modelDirectory + "', 'serving_default', 'y')" +
" }\n" +
" }");
search.assertFirstPhaseExpression(vespaExpression, "my_profile");
}
@Test
public void testTensorFlowReferenceSpecifyingNonExistingSignature() throws ParseException {
try {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: tensorflow('" + modelDirectory + "', 'serving_defaultz')" +
" }\n" +
" }");
search.assertFirstPhaseExpression(vespaExpression, "my_profile");
fail("Expecting exception");
}
catch (IllegalArgumentException expected) {
assertEquals("Rank profile 'my_profile' is invalid: Could not use tensorflow model from tensorflow('" +
modelDirectory + "','serving_defaultz'): Model does not have the specified signature 'serving_defaultz'",
Exceptions.toMessageString(expected));
}
}
@Test
public void testTensorFlowReferenceSpecifyingNonExistingOutput() throws ParseException {
try {
RankProfileSearchFixture search = new RankProfileSearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: tensorflow('" + modelDirectory + "', 'serving_default', 'x')" +
" }\n" +
" }");
search.assertFirstPhaseExpression(vespaExpression, "my_profile");
fail("Expecting exception");
}
catch (IllegalArgumentException expected) {
assertEquals("Rank profile 'my_profile' is invalid: Could not use tensorflow model from tensorflow('" +
modelDirectory + "','serving_default','x'): Model does not have the specified output 'x'",
Exceptions.toMessageString(expected));
}
}
}
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