indradb-lib 0.22.0

A graph database library
Documentation 
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

use super::super::{
    Datastore, EdgeKey, EdgeQueryExt, SpecificEdgeQuery, SpecificVertexQuery, Transaction, Type, Vertex, VertexQueryExt,
};
use crate::util::generate_random_secret;
use serde_json::Value as JsonValue;
use uuid::Uuid;

pub fn should_handle_vertex_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let t = Type::new("test_edge_type").unwrap();
    let v = Vertex::new(t);
    trans.create_vertex(&v).unwrap();
    let name = format!("vertex-properties-{}", generate_random_secret(8));
    let q = SpecificVertexQuery::single(v.id).property(name);

    // Check to make sure there's no initial value
    let result = trans.get_vertex_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 0);

    // Set and get the value as true
    trans.set_vertex_properties(q.clone(), &JsonValue::Bool(true)).unwrap();
    let result = trans.get_vertex_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].id, v.id);
    assert_eq!(result[0].value, JsonValue::Bool(true));

    // Set and get the value as false
    trans.set_vertex_properties(q.clone(), &JsonValue::Bool(false)).unwrap();
    let result = trans.get_vertex_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].id, v.id);
    assert_eq!(result[0].value, JsonValue::Bool(false));

    // Delete & check that it's deleted
    trans.delete_vertex_properties(q.clone()).unwrap();
    let result = trans.get_vertex_properties(q).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_get_all_vertex_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let t = Type::new("a_vertex").unwrap();
    let v1 = &Vertex::new(t.clone());
    let v2 = &Vertex::new(t.clone());
    let v3 = &Vertex::new(t.clone());
    trans.create_vertex(v1).unwrap();
    trans.create_vertex(v2).unwrap();
    trans.create_vertex(v3).unwrap();
    let q1 = SpecificVertexQuery::single(v1.id);
    let q2 = SpecificVertexQuery::single(v2.id);
    let q3 = SpecificVertexQuery::single(v3.id);

    // Check to make sure there are no initial properties
    let all_result = trans.get_all_vertex_properties(q2.clone()).unwrap();
    assert_eq!(all_result.len(), 1);
    assert_eq!(all_result[0].props.len(), 0);

    // Set and get some properties for v2
    trans
        .set_vertex_properties(q2.clone().property("a"), &JsonValue::Bool(false))
        .unwrap();
    trans
        .set_vertex_properties(q2.clone().property("b"), &JsonValue::Bool(true))
        .unwrap();

    let result_1 = trans.get_all_vertex_properties(q1.clone()).unwrap();
    assert_eq!(result_1.len(), 1);
    assert_eq!(result_1[0].props.len(), 0);

    let result_2 = trans.get_all_vertex_properties(q2.clone()).unwrap();
    assert_eq!(result_2.len(), 1);
    assert_eq!(result_2[0].props.len(), 2);
    assert_eq!(result_2[0].props[0].name, "a");
    assert_eq!(result_2[0].props[0].value, JsonValue::Bool(false));
    assert_eq!(result_2[0].props[1].name, "b");
    assert_eq!(result_2[0].props[1].value, JsonValue::Bool(true));

    let result_3 = trans.get_all_vertex_properties(q3.clone()).unwrap();
    assert_eq!(result_3.len(), 1);
    assert_eq!(result_3[0].props.len(), 0);
}

pub fn should_not_set_invalid_vertex_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let q = SpecificVertexQuery::single(Uuid::default()).property("foo");
    trans.set_vertex_properties(q.clone(), &JsonValue::Null).unwrap();
    let result = trans.get_vertex_properties(q).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_not_delete_invalid_vertex_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let q = SpecificVertexQuery::single(Uuid::default()).property("foo");

    trans.delete_vertex_properties(q).unwrap();

    let v = Vertex::new(Type::new("foo").unwrap());
    trans.create_vertex(&v).unwrap();

    let q = SpecificVertexQuery::single(v.id).property("foo");
    trans.delete_vertex_properties(q).unwrap();
}

pub fn should_handle_edge_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let vertex_t = Type::new("test_edge_type").unwrap();
    let outbound_v = Vertex::new(vertex_t.clone());
    let inbound_v = Vertex::new(vertex_t.clone());
    trans.create_vertex(&outbound_v).unwrap();
    trans.create_vertex(&inbound_v).unwrap();
    let edge_t = Type::new("test_edge_type").unwrap();
    let key = EdgeKey::new(outbound_v.id, edge_t.clone(), inbound_v.id);
    let q = SpecificEdgeQuery::single(key.clone()).property(format!("edge-properties-{}", generate_random_secret(8)));

    trans.create_edge(&key).unwrap();

    // Check to make sure there's no initial value
    let result = trans.get_edge_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 0);

    // Set and get the value as true
    trans.set_edge_properties(q.clone(), &JsonValue::Bool(true)).unwrap();
    let result = trans.get_edge_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].key, key);
    assert_eq!(result[0].value, JsonValue::Bool(true));

    // Set and get the value as false
    trans.set_edge_properties(q.clone(), &JsonValue::Bool(false)).unwrap();
    let result = trans.get_edge_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].key, key);
    assert_eq!(result[0].value, JsonValue::Bool(false));

    // Delete & check that it's deleted
    trans.delete_edge_properties(q.clone()).unwrap();
    let result = trans.get_edge_properties(q.clone()).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_get_all_edge_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let vertex_t = Type::new("test_vertex_type").unwrap();
    let outbound_v = Vertex::new(vertex_t.clone());
    let inbound_v = Vertex::new(vertex_t.clone());
    trans.create_vertex(&outbound_v).unwrap();
    trans.create_vertex(&inbound_v).unwrap();
    let edge_t = Type::new("test_edge_type").unwrap();
    let key = EdgeKey::new(outbound_v.id, edge_t.clone(), inbound_v.id);
    let eq = SpecificEdgeQuery::single(key.clone());
    let q1 = eq.clone().property("edge-prop-1");
    let q2 = eq.clone().property("edge-prop-2");

    trans.create_edge(&key).unwrap();

    // Check to make sure there's no initial value
    let result = trans.get_all_edge_properties(eq.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].props.len(), 0);

    // Set and get the value as true
    trans.set_edge_properties(q1.clone(), &JsonValue::Bool(false)).unwrap();
    trans.set_edge_properties(q2.clone(), &JsonValue::Bool(true)).unwrap();

    let result = trans.get_all_edge_properties(eq.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].props.len(), 2);
    assert_eq!(result[0].props[0].name, "edge-prop-1");
    assert_eq!(result[0].props[0].value, JsonValue::Bool(false));
    assert_eq!(result[0].props[1].name, "edge-prop-2");
    assert_eq!(result[0].props[1].value, JsonValue::Bool(true));

    // Delete & check that they are deleted
    trans.delete_edge_properties(q1.clone()).unwrap();
    trans.delete_edge_properties(q2.clone()).unwrap();

    let result = trans.get_all_edge_properties(eq.clone()).unwrap();
    assert_eq!(result.len(), 1);
    assert_eq!(result[0].props.len(), 0);
}

pub fn should_not_set_invalid_edge_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let key = EdgeKey::new(Uuid::default(), Type::new("foo").unwrap(), Uuid::default());
    let q = SpecificEdgeQuery::single(key).property("bar");
    trans.set_edge_properties(q.clone(), &JsonValue::Null).unwrap();
    let result = trans.get_edge_properties(q).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_not_delete_invalid_edge_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let key = EdgeKey::new(Uuid::default(), Type::new("foo").unwrap(), Uuid::default());
    trans
        .delete_edge_properties(SpecificEdgeQuery::single(key).property("bar"))
        .unwrap();

    let outbound_v = Vertex::new(Type::new("foo").unwrap());
    let inbound_v = Vertex::new(Type::new("foo").unwrap());
    trans.create_vertex(&outbound_v).unwrap();
    trans.create_vertex(&inbound_v).unwrap();

    let key = EdgeKey::new(outbound_v.id, Type::new("baz").unwrap(), inbound_v.id);
    trans.create_edge(&key).unwrap();
    trans
        .delete_edge_properties(SpecificEdgeQuery::single(key).property("bleh"))
        .unwrap();
}