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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.datatypes.FieldValue;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class ExpressionTestCase {
@Test
public void requireThatInputTypeIsCheckedBeforeExecute() {
assertExecute(newRequiredInput(DataType.INT), null);
assertExecute(newRequiredInput(DataType.INT), new IntegerFieldValue(69));
assertExecuteThrows(newRequiredInput(DataType.INT), new StringFieldValue("foo"),
new IllegalArgumentException("expected int input, got string"));
}
@Test
public void requireThatOutputTypeIsCheckedAfterExecute() {
assertExecute(newCreatedOutput(DataType.INT, (FieldValue)null), null);
assertExecute(newCreatedOutput(DataType.INT, new IntegerFieldValue(69)), null);
assertExecuteThrows(newCreatedOutput(DataType.INT, new StringFieldValue("foo")), null,
new IllegalStateException("expected int output, got string"));
}
@Test
public void requireThatInputTypeIsCheckedBeforeVerify() {
assertVerify(newRequiredInput(DataType.INT), DataType.INT);
assertVerifyThrows(newRequiredInput(DataType.INT), null,
"Expected int input, but no input is specified");
assertVerifyThrows(newRequiredInput(DataType.INT), UnresolvedDataType.INSTANCE,
"Failed to resolve input type");
assertVerifyThrows(newRequiredInput(DataType.INT), DataType.STRING,
"Expected int input, got string");
}
@Test
public void requireThatOutputTypeIsCheckedAfterVerify() {
assertVerify(newCreatedOutput(DataType.INT, DataType.INT), null);
assertVerifyThrows(newCreatedOutput(DataType.INT, (DataType)null), null,
"Expected int output, but no output is specified");
assertVerifyThrows(newCreatedOutput(DataType.INT, UnresolvedDataType.INSTANCE), null,
"Failed to resolve output type");
assertVerifyThrows(newCreatedOutput(DataType.INT, DataType.STRING), null,
"Expected int output, got string");
}
@Test
public void requireThatEqualsMethodWorks() {
assertTrue(Expression.equals(null, null));
assertTrue(Expression.equals(1, 1));
assertFalse(Expression.equals(1, 2));
assertFalse(Expression.equals(1, null));
assertFalse(Expression.equals(null, 2));
}
private static Expression newRequiredInput(DataType requiredInput) {
return new SimpleExpression(requiredInput);
}
private static Expression newCreatedOutput(DataType createdOutput, FieldValue actualOutput) {
return new SimpleExpression().setCreatedOutput(createdOutput).setExecuteValue(actualOutput);
}
private static Expression newCreatedOutput(DataType createdOutput, DataType actualOutput) {
return new SimpleExpression().setCreatedOutput(createdOutput).setVerifyValue(actualOutput);
}
private static void assertExecute(Expression exp, FieldValue val) {
exp.execute(val);
}
private static void assertExecuteThrows(Expression exp, FieldValue val, Exception expectedException) {
try {
exp.execute(val);
fail();
} catch (RuntimeException e) {
assertEquals(expectedException.getClass(), e.getClass());
assertTrue(e.getMessage().contains(expectedException.getMessage()));
}
}
private static void assertVerify(Expression exp, DataType val) {
exp.verify(val);
}
private static void assertVerifyThrows(Expression exp, DataType val, String expectedException) {
try {
exp.verify(val);
fail();
} catch (VerificationException e) {
assertEquals(expectedException, e.getMessage());
}
}
}
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