lucisearch 0.8.1

Embeddable, in-process search engine — the SQLite/DuckDB of search
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

//! Exit criteria integration tests for Milestone 6: Geospatial.

use luci::index::Index;
use luci::mapping::{FieldType, Mapping};
use serde_json::json;

fn search(
    index: &mut Index,
    query: serde_json::Value,
    size: usize,
) -> luci::search::results::SearchResults {
    let expr = luci::search::expression::parse_search(query, size).unwrap();
    index.search(&expr).unwrap()
}

fn test_dir(name: &str) -> std::path::PathBuf {
    let dir =
        std::env::temp_dir().join(format!("luci_m6_integration_{}_{name}", std::process::id()));
    let _ = std::fs::remove_dir_all(&dir);
    dir
}

fn cleanup(path: &std::path::Path) {
    let _ = std::fs::remove_dir_all(path);
}

fn build_geo_index(name: &str) -> (std::path::PathBuf, Index) {
    let path = test_dir(name);
    let schema = Mapping::builder()
        .field("name", FieldType::Text)
        .field("city", FieldType::Keyword)
        .field("location", FieldType::GeoPoint)
        .build();
    let index = Index::create_with_mapping(&path, schema).unwrap();

    index.bulk(vec![
        json!({"name": "Times Square", "city": "nyc", "location": {"lat": 40.7580, "lon": -73.9855}}),
        json!({"name": "Central Park", "city": "nyc", "location": {"lat": 40.7829, "lon": -73.9654}}),
        json!({"name": "Brooklyn Bridge", "city": "nyc", "location": {"lat": 40.7061, "lon": -73.9969}}),
        json!({"name": "Big Ben", "city": "london", "location": {"lat": 51.5007, "lon": -0.1246}}),
        json!({"name": "Tower Bridge", "city": "london", "location": {"lat": 51.5055, "lon": -0.0754}}),
        json!({"name": "Eiffel Tower", "city": "paris", "location": {"lat": 48.8584, "lon": 2.2945}}),
    ]).unwrap();

    (path, index)
}

#[test]
fn geo_distance_query() {
    let (path, mut index) = build_geo_index("distance");

    let results = search(
        &mut index,
        json!({
            "geo_distance": {
                "distance": "5km",
                "location": {"lat": 40.7580, "lon": -73.9855}
            }
        }),
        10,
    );

    assert!(results.total_hits().value >= 2);
    assert!(results.total_hits().value <= 3);

    for hit in results.iter() {
        let source = hit.source().unwrap();
        assert_eq!(source["city"], "nyc");
    }

    cleanup(&path);
}

#[test]
fn geo_distance_large_radius() {
    let (path, mut index) = build_geo_index("large_radius");

    let results = search(
        &mut index,
        json!({
            "geo_distance": {
                "distance": "1000km",
                "location": {"lat": 51.5, "lon": -0.1}
            }
        }),
        10,
    );

    assert!(results.total_hits().value >= 3);

    let cities: Vec<String> = results
        .iter()
        .filter_map(|h| h.source()?.get("city")?.as_str().map(String::from))
        .collect();
    assert!(cities.iter().any(|c| c == "london"));
    assert!(cities.iter().any(|c| c == "paris"));
    assert!(!cities.iter().any(|c| c == "nyc"));

    cleanup(&path);
}

#[test]
fn geo_bounding_box_query() {
    let (path, mut index) = build_geo_index("bbox");

    let results = search(
        &mut index,
        json!({
            "geo_bounding_box": {
                "location": {
                    "top_left": {"lat": 40.80, "lon": -74.02},
                    "bottom_right": {"lat": 40.70, "lon": -73.95}
                }
            }
        }),
        10,
    );

    assert!(results.total_hits().value >= 2);

    for hit in results.iter() {
        let source = hit.source().unwrap();
        assert_eq!(source["city"], "nyc");
    }

    cleanup(&path);
}

#[test]
fn geo_plus_text_query() {
    let (path, mut index) = build_geo_index("combined");

    let results = search(
        &mut index,
        json!({
            "bool": {
                "must": [{"match": {"name": "bridge"}}],
                "filter": [{
                    "geo_distance": {
                        "distance": "100km",
                        "location": {"lat": 51.5, "lon": -0.1}
                    }
                }]
            }
        }),
        10,
    );

    assert_eq!(results.total_hits().value, 1);
    let source = results.hit(0).unwrap().source().unwrap();
    assert_eq!(source["name"], "Tower Bridge");

    cleanup(&path);
}