indradb-lib 0.19.0

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

use super::super::{Datastore, EdgeKey, EdgeQuery, Transaction, Type, Vertex, VertexQuery};
use serde_json::Value as JsonValue;
use util::generate_random_secret;
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".to_string()).unwrap();
    let v = Vertex::new(t);
    trans.create_vertex(&v).unwrap();
    let name = format!("vertex-properties-{}", generate_random_secret(8));
    let q = VertexQuery::Vertices { ids: vec![v.id] };

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

    // Set and get the value as true
    trans.set_vertex_properties(&q, &name, &JsonValue::Bool(true)).unwrap();
    let result = trans.get_vertex_properties(&q, &name).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, &name, &JsonValue::Bool(false)).unwrap();
    let result = trans.get_vertex_properties(&q, &name).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, &name).unwrap();
    let result = trans.get_vertex_properties(&q, &name).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_not_set_invalid_vertex_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let q = VertexQuery::Vertices {
        ids: vec![Uuid::default()],
    };
    trans.set_vertex_properties(&q, "foo", &JsonValue::Null).unwrap();
    let result = trans.get_vertex_properties(&q, "foo").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 = VertexQuery::Vertices {
        ids: vec![Uuid::default()],
    };
    trans.delete_vertex_properties(&q, "foo").unwrap();

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

    let q = VertexQuery::Vertices { ids: vec![v.id] };
    trans.delete_vertex_properties(&q, "foo").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".to_string()).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".to_string()).unwrap();
    let key = EdgeKey::new(outbound_v.id, edge_t.clone(), inbound_v.id);
    let q = EdgeQuery::Edges {
        keys: vec![key.clone()],
    };
    let name = 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, &name).unwrap();
    assert_eq!(result.len(), 0);

    // Set and get the value as true
    trans.set_edge_properties(&q, &name, &JsonValue::Bool(true)).unwrap();
    let result = trans.get_edge_properties(&q, &name).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, &name, &JsonValue::Bool(false)).unwrap();
    let result = trans.get_edge_properties(&q, &name).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, &name).unwrap();
    let result = trans.get_edge_properties(&q, &name).unwrap();
    assert_eq!(result.len(), 0);
}

pub fn should_not_set_invalid_edge_properties<D: Datastore>(datastore: &mut D) {
    let trans = datastore.transaction().unwrap();
    let q = EdgeQuery::Edges {
        keys: vec![EdgeKey::new(
            Uuid::default(),
            Type::new("foo".to_string()).unwrap(),
            Uuid::default(),
        )],
    };
    trans.set_edge_properties(&q, "bar", &JsonValue::Null).unwrap();
    let result = trans.get_edge_properties(&q, "bar").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 q = EdgeQuery::Edges {
        keys: vec![EdgeKey::new(
            Uuid::default(),
            Type::new("foo".to_string()).unwrap(),
            Uuid::default(),
        )],
    };
    trans.delete_edge_properties(&q, "bar").unwrap();

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

    let key = EdgeKey::new(outbound_v.id, Type::new("baz".to_string()).unwrap(), inbound_v.id);
    trans.create_edge(&key).unwrap();
    trans
        .delete_edge_properties(&EdgeQuery::Edges { keys: vec![key] }, "bleh")
        .unwrap();
}