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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
import org.junit.jupiter.api.Test;
import java.text.ChoiceFormat;
import java.util.Arrays;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Simon Thoresen Hult
*/
@SuppressWarnings({ "rawtypes" })
public class BucketResolverTestCase {
// --------------------------------------------------------------------------------
//
// Tests
//
// --------------------------------------------------------------------------------
@Test
void testResolve() {
BucketResolver resolver = new BucketResolver();
resolver.push(new StringValue("a"), true);
try {
resolver.resolve(new AttributeValue("foo"));
fail();
} catch (IllegalStateException e) {
assertEquals("Missing to-limit of last bucket.", e.getMessage());
}
resolver.push(new StringValue("b"), false);
PredefinedFunction fnc = resolver.resolve(new AttributeValue("foo"));
assertNotNull(fnc);
assertEquals(1, fnc.getNumBuckets());
BucketValue exp = fnc.getBucket(0);
assertNotNull(exp);
assertTrue(exp.getFrom() instanceof StringValue);
assertTrue(exp.getTo() instanceof StringValue);
BucketValue val = exp;
assertEquals("a", val.getFrom().getValue());
assertEquals("b", val.getTo().getValue());
resolver.push(new StringValue("c"), true);
try {
resolver.resolve(new AttributeValue("foo"));
fail();
} catch (IllegalStateException e) {
assertEquals("Missing to-limit of last bucket.", e.getMessage());
}
resolver.push(new StringValue("d"), false);
fnc = resolver.resolve(new AttributeValue("foo"));
assertNotNull(fnc);
assertEquals(2, fnc.getNumBuckets());
assertNotNull(exp = fnc.getBucket(0));
assertTrue(exp.getFrom() instanceof StringValue);
assertTrue(exp.getTo() instanceof StringValue);
val = exp;
assertEquals("a", val.getFrom().getValue());
assertEquals("b", val.getTo().getValue());
assertNotNull(exp = fnc.getBucket(1));
assertTrue(exp.getFrom() instanceof StringValue);
assertTrue(exp.getTo() instanceof StringValue);
val = exp;
assertEquals("c", val.getFrom().getValue());
assertEquals("d", val.getTo().getValue());
}
@Test
void testBucketType() {
checkPushFail(Arrays.asList((ConstantValue) new StringValue("a"), new LongValue(1L)),
"Bucket type mismatch, expected 'StringValue' got 'LongValue'.");
checkPushFail(Arrays.asList((ConstantValue) new StringValue("a"), new DoubleValue(1.0)),
"Bucket type mismatch, expected 'StringValue' got 'DoubleValue'.");
checkPushFail(Arrays.asList((ConstantValue) new LongValue(1L), new StringValue("a")),
"Bucket type mismatch, expected 'LongValue' got 'StringValue'.");
checkPushFail(Arrays.asList((ConstantValue) new LongValue(1L), new DoubleValue(1.0)),
"Bucket type mismatch, expected 'LongValue' got 'DoubleValue'.");
checkPushFail(Arrays.asList((ConstantValue) new DoubleValue(1.0), new StringValue("a")),
"Bucket type mismatch, expected 'DoubleValue' got 'StringValue'.");
checkPushFail(Arrays.asList((ConstantValue) new DoubleValue(1.0), new LongValue(1L)),
"Bucket type mismatch, expected 'DoubleValue' got 'LongValue'.");
checkPushFail(Arrays.asList((ConstantValue) new InfiniteValue(new Infinite(true)), new InfiniteValue(new Infinite(false))),
"Bucket type mismatch, cannot both be infinity.");
}
@Test
void testBucketOrder() {
checkPushFail(Arrays.asList((ConstantValue) new LongValue(2L), new LongValue(1L)),
"Bucket to-value can not be less than from-value.");
checkPushFail(Arrays.asList((ConstantValue) new DoubleValue(2.0), new DoubleValue(1.0)),
"Bucket to-value can not be less than from-value.");
checkPushFail(Arrays.asList((ConstantValue) new StringValue("b"), new StringValue("a")),
"Bucket to-value can not be less than from-value.");
}
public void assertBucketRange(BucketValue expected, ConstantValue from, boolean inclusiveFrom, ConstantValue to, boolean inclusiveTo) {
BucketResolver resolver = new BucketResolver();
resolver.push(from, inclusiveFrom);
resolver.push(to, inclusiveTo);
PredefinedFunction fnc = resolver.resolve(new AttributeValue("foo"));
assertNotNull(fnc);
BucketValue result = fnc.getBucket(0);
assertEquals(result.getFrom().getValue(), expected.getFrom().getValue());
assertEquals(result.getTo().getValue(), expected.getTo().getValue());
}
public void assertBucketOrder(BucketResolver resolver) {
PredefinedFunction fnc = resolver.resolve(new AttributeValue("foo"));
BucketValue prev = null;
for (int i = 0; i < fnc.getNumBuckets(); i++) {
BucketValue b = fnc.getBucket(i);
if (prev != null) {
assertTrue(prev.compareTo(b) < 0);
}
prev = b;
}
}
@Test
void requireThatBucketRangesWork() {
BucketValue expected = new LongBucket(2, 5);
assertBucketRange(expected, new LongValue(1), false, new LongValue(4), true);
assertBucketRange(expected, new LongValue(1), false, new LongValue(5), false);
assertBucketRange(expected, new LongValue(2), true, new LongValue(4), true);
assertBucketRange(expected, new LongValue(2), true, new LongValue(5), false);
BucketResolver resolver = new BucketResolver();
resolver.push(new LongValue(1), true).push(new LongValue(2), false);
resolver.push(new LongValue(2), true).push(new LongValue(4), true);
resolver.push(new LongValue(4), false).push(new LongValue(5), false);
resolver.push(new LongValue(5), false).push(new LongValue(8), true);
assertBucketOrder(resolver);
expected = new StringBucket("aba ", "bab ");
assertBucketRange(expected, new StringValue("aba"), false, new StringValue("bab"), true);
assertBucketRange(expected, new StringValue("aba"), false, new StringValue("bab "), false);
assertBucketRange(expected, new StringValue("aba "), true, new StringValue("bab"), true);
assertBucketRange(expected, new StringValue("aba "), true, new StringValue("bab "), false);
resolver = new BucketResolver();
resolver.push(new StringValue("aaa"), true).push(new StringValue("aab"), false);
resolver.push(new StringValue("aab"), true).push(new StringValue("aac"), true);
resolver.push(new StringValue("aac"), false).push(new StringValue("aad"), false);
resolver.push(new StringValue("aad"), false).push(new StringValue("aae"), true);
assertBucketOrder(resolver);
RawBuffer r1 = new RawBuffer(new byte[]{0, 1, 3});
RawBuffer r1next = new RawBuffer(new byte[]{0, 1, 3, 0});
RawBuffer r2 = new RawBuffer(new byte[]{0, 2, 2});
RawBuffer r2next = new RawBuffer(new byte[]{0, 2, 2, 0});
RawBuffer r2nextnext = new RawBuffer(new byte[]{0, 2, 2, 0, 4});
expected = new RawBucket(r1next, r2next);
assertBucketRange(expected, new RawValue(r1), false, new RawValue(r2), true);
assertBucketRange(expected, new RawValue(r1), false, new RawValue(r2next), false);
assertBucketRange(expected, new RawValue(r1next), true, new RawValue(r2), true);
assertBucketRange(expected, new RawValue(r1next), true, new RawValue(r2next), false);
resolver = new BucketResolver();
resolver.push(new RawValue(r1), true).push(new RawValue(r1next), false);
resolver.push(new RawValue(r1next), true).push(new RawValue(r2), true);
resolver.push(new RawValue(r2), false).push(new RawValue(r2next), false);
resolver.push(new RawValue(r2next), false).push(new RawValue(r2nextnext), true);
assertBucketOrder(resolver);
double d1next = ChoiceFormat.nextDouble(1.414);
double d2next = ChoiceFormat.nextDouble(3.14159);
double d1 = ChoiceFormat.nextDouble(d1next);
double d2 = ChoiceFormat.nextDouble(d2next);
expected = new DoubleBucket(d1, d2);
assertBucketRange(expected, new DoubleValue(d1next), false, new DoubleValue(d2next), true);
assertBucketRange(expected, new DoubleValue(d1next), false, new DoubleValue(d2), false);
assertBucketRange(expected, new DoubleValue(d1), true, new DoubleValue(d2next), true);
assertBucketRange(expected, new DoubleValue(d1), true, new DoubleValue(d2), false);
resolver = new BucketResolver();
resolver.push(new DoubleValue(d1next), true).push(new DoubleValue(d1), false);
resolver.push(new DoubleValue(d1), true).push(new DoubleValue(d2next), true);
resolver.push(new DoubleValue(d2next), false).push(new DoubleValue(d2), false);
resolver.push(new DoubleValue(d2), false).push(new DoubleValue(ChoiceFormat.nextDouble(d2)), true);
assertBucketOrder(resolver);
}
// --------------------------------------------------------------------------------
//
// Utilities
//
// --------------------------------------------------------------------------------
private static void checkPushFail(List<ConstantValue> args, String expectedException) {
BucketResolver resolver = new BucketResolver();
try {
int i = 0;
for (ConstantValue exp : args) {
boolean inclusive = ((i % 2) == 0);
resolver.push(exp, inclusive);
i++;
}
fail();
} catch (IllegalArgumentException e) {
assertEquals(expectedException, e.getMessage());
}
}
}
|
