-
Notifications
You must be signed in to change notification settings - Fork 14
/
ResultSetSpliteratorTest.java
116 lines (102 loc) · 4.78 KB
/
ResultSetSpliteratorTest.java
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
/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.iteration;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import cz.cvut.kbss.ontodriver.exception.OntoDriverRuntimeException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.util.Spliterator;
import java.util.function.Consumer;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;
@SuppressWarnings("unchecked")
class ResultSetSpliteratorTest {
@Mock
private ResultSet resultSet;
private ResultSetSpliterator sut;
@BeforeEach
void setUp() {
MockitoAnnotations.initMocks(this);
this.sut = new ResultSetSpliterator(resultSet);
}
@Test
void constructorCreatesSpliteratorWithOrderedNonNullAndImmutableCharacteristics() {
assertTrue(sut.hasCharacteristics(Spliterator.IMMUTABLE));
assertTrue(sut.hasCharacteristics(Spliterator.ORDERED));
assertTrue(sut.hasCharacteristics(Spliterator.NONNULL));
assertFalse(sut.hasCharacteristics(Spliterator.CONCURRENT));
assertFalse(sut.hasCharacteristics(Spliterator.DISTINCT));
assertFalse(sut.hasCharacteristics(Spliterator.SIZED));
assertFalse(sut.hasCharacteristics(Spliterator.SUBSIZED));
assertFalse(sut.hasCharacteristics(Spliterator.SORTED));
}
/**
* This is according to {@link java.util.Spliterators.AbstractSpliterator} specs, where {@link Long#MAX_VALUE}
* should be reported for spliterators with unknown estimate size.
*/
@Test
void constructorReportsMaxLongValueEstimateSize() {
assertEquals(Long.MAX_VALUE, sut.estimateSize());
}
@Test
void tryAdvanceInvokesActionOnNextResultRowAndReturnsTrue() throws Exception {
when(resultSet.hasNext()).thenReturn(true);
final Consumer<ResultRow> consumer = mock(Consumer.class);
final boolean result = sut.tryAdvance(consumer);
assertTrue(result);
verify(resultSet).next();
verify(consumer).accept(any(ResultRow.class));
}
@Test
void tryAdvanceDoesNothingAndReturnsFalseWhenThereAreNoMoreRowsInResultSet() throws Exception {
when(resultSet.hasNext()).thenReturn(false);
final Consumer<ResultRow> consumer = mock(Consumer.class);
final boolean result = sut.tryAdvance(consumer);
assertFalse(result);
verify(resultSet, never()).next();
verify(consumer, never()).accept(any(ResultRow.class));
}
@Test
void tryAdvanceThrowsOntoDriverRuntimeExceptionWhenResultResultSetThrowsException() throws Exception {
when(resultSet.hasNext()).thenReturn(true);
doThrow(OntoDriverException.class).when(resultSet).next();
final Consumer<ResultRow> consumer = mock(Consumer.class);
final OntoDriverRuntimeException result =
assertThrows(OntoDriverRuntimeException.class, () -> sut.tryAdvance(consumer));
assertThat(result.getCause(), instanceOf(OntoDriverException.class));
}
@Test
void forEachRemainingInvokesConsumerForAllResultSetRows() throws Exception {
when(resultSet.hasNext()).thenReturn(true).thenReturn(true).thenReturn(true).thenReturn(false);
final Consumer<ResultRow> consumer = mock(Consumer.class);
sut.forEachRemaining(consumer);
verify(resultSet, times(3)).next();
verify(consumer, times(3)).accept(any(ResultRow.class));
}
@Test
void forEachRemainingThrowsOntoDriverRuntimeExceptionWhenResultSetThrowsException() throws Exception {
when(resultSet.hasNext()).thenReturn(true);
doThrow(OntoDriverException.class).when(resultSet).next();
final Consumer<ResultRow> consumer = mock(Consumer.class);
final OntoDriverRuntimeException result =
assertThrows(OntoDriverRuntimeException.class, () -> sut.forEachRemaining(consumer));
assertThat(result.getCause(), instanceOf(OntoDriverException.class));
}
}