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
|
package tools.refinery.store.query;
import org.junit.jupiter.api.Test;
import tools.refinery.store.query.view.KeyOnlyRelationView;
import tools.refinery.store.representation.Symbol;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static tools.refinery.store.query.literal.Literals.not;
class DnfToStringTest {
@Test
void noClausesTest() {
var p = new Variable("p");
var dnf = Dnf.builder("Example").parameter(p).build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
<no clauses>.
"""));
}
@Test
void noParametersTest() {
var dnf = Dnf.builder("Example").build();
assertThat(dnf.toString(), is("""
pred Example() <->
<no clauses>.
"""));
}
@Test
void emptyClauseTest() {
var p = new Variable("p");
var dnf = Dnf.builder("Example").parameter(p).clause().build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
<empty>.
"""));
}
@Test
void relationViewPositiveTest() {
var p = new Variable("p");
var q = new Variable("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example").parameter(p).clause(friendView.call(p, q)).build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
@RelationView("key") friend(p, q).
"""));
}
@Test
void relationViewNegativeTest() {
var p = new Variable("p");
var q = new Variable("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example").parameter(p).clause(not(friendView.call(p, q))).build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
!(@RelationView("key") friend(p, q)).
"""));
}
@Test
void relationViewTransitiveTest() {
var p = new Variable("p");
var q = new Variable("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example").parameter(p).clause(friendView.callTransitive(p, q)).build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
@RelationView("key") friend+(p, q).
"""));
}
@Test
void multipleParametersTest() {
var p = new Variable("p");
var q = new Variable("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example").parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(dnf.toString(), is("""
pred Example(p, q) <->
@RelationView("key") friend(p, q).
"""));
}
@Test
void multipleLiteralsTest() {
var p = new Variable("p");
var q = new Variable("q");
var person = new Symbol<>("person", 1, Boolean.class, false);
var personView = new KeyOnlyRelationView<>(person);
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example")
.parameter(p)
.clause(
personView.call(p),
personView.call(q),
friendView.call(p, q)
)
.build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
@RelationView("key") person(p),
@RelationView("key") person(q),
@RelationView("key") friend(p, q).
"""));
}
@Test
void multipleClausesTest() {
var p = new Variable("p");
var q = new Variable("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var dnf = Dnf.builder("Example")
.parameter(p)
.clause(friendView.call(p, q))
.clause(friendView.call(q, p))
.build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
@RelationView("key") friend(p, q)
;
@RelationView("key") friend(q, p).
"""));
}
@Test
void dnfTest() {
var p = new Variable("p");
var q = new Variable("q");
var r = new Variable("r");
var s = new Variable("s");
var person = new Symbol<>("person", 1, Boolean.class, false);
var personView = new KeyOnlyRelationView<>(person);
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var called = Dnf.builder("Called").parameters(r, s).clause(friendView.call(r, s)).build();
var dnf = Dnf.builder("Example")
.parameter(p)
.clause(
personView.call(p),
personView.call(q),
not(called.call(p, q))
)
.build();
assertThat(dnf.toString(), is("""
pred Example(p) <->
@RelationView("key") person(p),
@RelationView("key") person(q),
!(@Dnf Called(p, q)).
"""));
}
}
|
