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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.indexinglanguage.expressions;
import com.yahoo.document.DataType;
import com.yahoo.document.Field;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.vespa.indexinglanguage.SimpleTestAdapter;
import org.junit.Test;
import java.util.Arrays;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerify;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyThrows;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class ScriptTestCase {
@Test
public void requireThatAccessorsWork() {
ScriptExpression exp = newScript();
assertTrue(exp.isEmpty());
assertEquals(0, exp.size());
StatementExpression foo = newStatement(new AttributeExpression("foo"));
StatementExpression bar = newStatement(new AttributeExpression("bar"));
exp = newScript(foo, bar);
assertFalse(exp.isEmpty());
assertEquals(2, exp.size());
assertSame(foo, exp.get(0));
assertSame(bar, exp.get(1));
assertEquals(Arrays.asList(foo, bar), exp.asList());
}
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
StatementExpression foo = newStatement(new AttributeExpression("foo"));
StatementExpression bar = newStatement(new AttributeExpression("bar"));
Expression exp = newScript(foo, bar);
assertNotEquals(exp, new Object());
assertNotEquals(exp, new CatExpression(foo, bar));
assertNotEquals(exp, newScript(newStatement(new IndexExpression("foo"))));
assertNotEquals(exp, newScript(newStatement(new IndexExpression("foo")),
newStatement(new IndexExpression("bar"))));
assertNotEquals(exp, newScript(newStatement(foo),
newStatement(new IndexExpression("bar"))));
assertEquals(exp, newScript(foo, bar));
assertEquals(exp.hashCode(), newScript(foo, bar).hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = newScript(newStatement(SimpleExpression.newConversion(DataType.INT, DataType.STRING)));
assertVerify(DataType.INT, exp, DataType.STRING);
assertVerifyThrows(null, exp, "Expected int input, but no input is specified");
assertVerifyThrows(DataType.STRING, exp, "Expected int input, got string");
assertVerifyThrows(null, () -> newScript(newStatement(SimpleExpression.newConversion(DataType.INT, DataType.STRING)),
newStatement(SimpleExpression.newConversion(DataType.STRING, DataType.INT))),
"Statements require conflicting input types, int vs string");
}
@Test
public void requireThatInputValueIsAvailableToAllStatements() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("out-1", DataType.INT),
new Field("out-2", DataType.INT));
newStatement(new ConstantExpression(new IntegerFieldValue(69)),
newScript(newStatement(new AttributeExpression("out-1"),
new AttributeExpression("out-2")))).execute(adapter);
assertEquals(new IntegerFieldValue(69), adapter.getInputValue("out-1"));
assertEquals(new IntegerFieldValue(69), adapter.getInputValue("out-2"));
}
@Test
public void testCache() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("field1", DataType.STRING));
var script = newScript(newStatement(new InputExpression("field1"),
new PutCacheExpression("myCacheKey", "myCacheValue")),
newStatement(new ClearStateExpression()), // inserted by config model
newStatement(new InputExpression("field1"),
new AssertCacheExpression("myCacheKey", "myCacheValue")));
adapter.setValue("field1", new StringFieldValue("foo1"));
ExecutionContext context = new ExecutionContext(adapter);
script.execute(context);
assertEquals("myCacheValue", context.getCachedValue("myCacheKey"));
}
@Test
public void requireThatStatementsProcessingMissingInputsAreSkipped() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("foo", DataType.STRING),
new Field("bar", DataType.STRING));
adapter.setValue("foo", new StringFieldValue("foo1"));
ExecutionContext context = new ExecutionContext(adapter);
// The latter expression is not executed, so no exception is thrown
var script = new ScriptExpression(newStatement(new InputExpression("foo"), new AttributeExpression("foo")),
newStatement(new InputExpression("bar"), new ThrowingExpression()));
script.execute(context);
assertEquals("foo1", adapter.getInputValue("foo").getWrappedValue());
}
@Test
public void requireThatScriptEvaluatesToInputValue() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("out", DataType.INT));
newStatement(new ConstantExpression(new IntegerFieldValue(6)),
newScript(newStatement(new ConstantExpression(new IntegerFieldValue(9)))),
new AttributeExpression("out")).execute(adapter);
assertEquals(new IntegerFieldValue(6), adapter.getInputValue("out"));
}
@Test
public void requireThatVariablesAreAvailableInScript() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("out", DataType.INT));
newScript(newStatement(new ConstantExpression(new IntegerFieldValue(69)),
new SetVarExpression("tmp")),
newStatement(new GetVarExpression("tmp"),
new AttributeExpression("out"))).execute(adapter);
assertEquals(new IntegerFieldValue(69), adapter.getInputValue("out"));
}
@Test
public void requireThatVariablesAreAvailableOutsideScript() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("out", DataType.INT));
newStatement(newScript(newStatement(new ConstantExpression(new IntegerFieldValue(69)),
new SetVarExpression("tmp"))),
new GetVarExpression("tmp"),
new AttributeExpression("out")).execute(adapter);
assertEquals(new IntegerFieldValue(69), adapter.getInputValue("out"));
}
@Test
public void requireThatVariablesReplaceOthersOutsideScript() {
SimpleTestAdapter adapter = new SimpleTestAdapter(new Field("out", DataType.INT));
newStatement(new ConstantExpression(new IntegerFieldValue(6)),
new SetVarExpression("tmp"),
newScript(newStatement(new ConstantExpression(new IntegerFieldValue(9)),
new SetVarExpression("tmp"))),
new GetVarExpression("tmp"),
new AttributeExpression("out")).execute(adapter);
assertEquals(new IntegerFieldValue(9), adapter.getInputValue("out"));
}
private static ScriptExpression newScript(StatementExpression... args) {
return new ScriptExpression(args);
}
private static StatementExpression newStatement(Expression... args) {
return new StatementExpression(args);
}
private static class ThrowingExpression extends Expression {
public ThrowingExpression() {
super(null);
}
@Override
protected void doExecute(ExecutionContext context) {
throw new RuntimeException();
}
@Override
protected void doVerify(VerificationContext context) {}
@Override
public DataType createdOutputType() { return null; }
}
private static class PutCacheExpression extends Expression {
private final String keyToSet;
private final String valueToSet;
public PutCacheExpression(String keyToSet, String valueToSet) {
super(null);
this.keyToSet = keyToSet;
this.valueToSet = valueToSet;
}
@Override
protected void doExecute(ExecutionContext context) {
context.putCachedValue(keyToSet, valueToSet);
}
@Override
protected void doVerify(VerificationContext context) {}
@Override
public DataType createdOutputType() { return null; }
}
private static class AssertCacheExpression extends Expression {
private final String expectedKey;
private final String expectedValue;
public AssertCacheExpression(String expectedKey, String expectedValue) {
super(null);
this.expectedKey = expectedKey;
this.expectedValue = expectedValue;
}
@Override
protected void doExecute(ExecutionContext context) {
assertEquals(expectedValue, context.getCachedValue(expectedKey));
}
@Override
protected void doVerify(VerificationContext context) {}
@Override
public DataType createdOutputType() { return null; }
}
}
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