1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// 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 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; }
}
}
|
