gluon_language-server 0.5.0

Language server providing completion for gluon
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


extern crate gluon_language_server;
extern crate languageserver_types;

extern crate jsonrpc_core;
extern crate serde_json;
extern crate serde;
extern crate url;
#[macro_use]
extern crate pretty_assertions;

mod support;

use std::io::Write;

use url::Url;

use languageserver_types::{CompletionItem, CompletionItemKind, Position, TextDocumentIdentifier,
                           TextDocumentPositionParams};

use gluon_language_server::CompletionData;

fn completion<W: ?Sized>(stdin: &mut W, id: u64, uri: &str, position: Position)
where
    W: Write,
{
    let hover = support::method_call(
        "textDocument/completion",
        id,
        TextDocumentPositionParams {
            text_document: TextDocumentIdentifier { uri: support::test_url(uri) },
            position: position,
        },
    );

    support::write_message(stdin, hover).unwrap();
}

fn resolve<W: ?Sized>(stdin: &mut W, id: u64, item: &CompletionItem)
where
    W: Write,
{
    let hover = support::method_call("completionItem/resolve", id, item);

    support::write_message(stdin, hover).unwrap();
}

fn remove_completion_data(mut completions: Vec<CompletionItem>) -> Vec<CompletionItem> {
    for item in &mut completions {
        item.data.take();
    }
    completions
}

#[test]
fn local_completion() {
    let completions: Vec<CompletionItem> = support::send_rpc(|mut stdin| {
        let text = r#"
let test = 2
let test1 = ""
te
"#;
        support::did_open(stdin, "test", text);

        completion(
            stdin,
            1,
            "test",
            Position {
                line: 3,
                character: 2,
            },
        )
    });
    let completions = remove_completion_data(completions);
    assert_eq!(
        completions,
        vec![
            CompletionItem {
                label: "test".into(),
                kind: Some(CompletionItemKind::Variable),
                detail: Some("Int".into()),
                ..CompletionItem::default()
            },
            CompletionItem {
                label: "test1".into(),
                kind: Some(CompletionItemKind::Variable),
                detail: Some("String".into()),
                ..CompletionItem::default()
            },
        ]
    );
}

#[test]
fn prelude_completion() {
    let completions: Vec<CompletionItem> = support::send_rpc(|mut stdin| {
        support::did_open(stdin, "test", "no");

        completion(
            stdin,
            1,
            "test",
            Position {
                line: 0,
                character: 1,
            },
        )
    });
    let completions = remove_completion_data(completions);
    assert_eq!(
        completions,
        vec![
            CompletionItem {
                label: "not".into(),
                kind: Some(CompletionItemKind::Variable),
                detail: Some("std.types.Bool -> std.types.Bool".into()),
                ..CompletionItem::default()
            },
        ]
    );
}

#[test]
fn resolve_completion() {
    let completion = CompletionItem {
        label: "test".into(),
        kind: Some(CompletionItemKind::Variable),
        detail: Some("Int".into()),
        data: Some(
            serde_json::to_value(CompletionData {
                text_document_uri: support::test_url("test"),
                position: Position {
                    character: 2,
                    line: 4,
                },
            }).unwrap(),
        ),
        ..CompletionItem::default()
    };
    let actual: CompletionItem = support::send_rpc(|mut stdin| {
        let text = r#"
/// doc
let test = 2
let test1 = ""
te
"#;
        support::did_open(stdin, "test", text);

        resolve(stdin, 1, &completion);
    });
    assert_eq!(
        actual,
        CompletionItem {
            documentation: Some("doc".to_string()),
            ..completion
        }
    );
}

#[test]
fn url_encoded_path() {
    let completions: Vec<CompletionItem> = support::send_rpc(|mut stdin| {
        let text = r#"
let r = { abc = 1 }
r.
"#;
        let uri: Url = "file:///C%3A/examples/test.glu".parse().unwrap();
        support::did_open_uri(stdin, uri.clone(), text);

        let hover = support::method_call(
            "textDocument/completion",
            1,
            TextDocumentPositionParams {
                text_document: TextDocumentIdentifier { uri: uri },
                position: Position {
                    line: 3,
                    character: 2,
                },
            },
        );

        support::write_message(stdin, hover).unwrap();
    });
    let completions = remove_completion_data(completions);
    assert_eq!(
        completions,
        vec![
            CompletionItem {
                label: "abc".into(),
                kind: Some(CompletionItemKind::Variable),
                detail: Some("Int".into()),
                ..CompletionItem::default()
            },
        ]
    );
}