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

use {
    crate::*,
    gluesql_core::{
        error::{EvaluateError, FetchError},
        prelude::Value::*,
    },
};

test_case!(project, {
    let g = get_tester!();

    let create_sqls: [&str; 2] = [
        "
        CREATE TABLE ProjectUser (
            id INTEGER,
            name TEXT
        );
    ",
        "
        CREATE TABLE ProjectItem (
            id INTEGER,
            player_id INTEGER,
            quantity INTEGER,
        );
    ",
    ];

    for sql in create_sqls {
        g.run(sql).await;
    }

    let delete_sqls = ["DELETE FROM ProjectUser", "DELETE FROM ProjectItem"];

    for sql in delete_sqls {
        g.run(sql).await;
    }

    let insert_sqls = [
        "
        INSERT INTO ProjectUser (id, name) VALUES
            (1, 'Taehoon'),
            (2,    'Mike'),
            (3,   'Jorno');
        ",
        "
        INSERT INTO ProjectItem (id, player_id, quantity) VALUES
            (101, 1, 1),
            (102, 2, 4),
            (103, 2, 9),
            (104, 3, 2),
            (105, 3, 1);
        ",
    ];

    for insert_sql in insert_sqls {
        g.run(insert_sql).await;
    }

    let test_cases = [
        ("SELECT 1 FROM ProjectUser", select!("1"; I64; 1; 1; 1)),
        (
            "SELECT id, name FROM ProjectUser",
            select!(
                id  | name
                I64 | Str;
                1     "Taehoon".to_owned();
                2     "Mike".to_owned();
                3     "Jorno".to_owned()
            ),
        ),
        (
            "SELECT player_id, quantity FROM ProjectItem",
            select!(player_id | quantity; I64 | I64; 1 1; 2 4; 2 9; 3 2; 3 1),
        ),
        (
            "SELECT player_id, player_id FROM ProjectItem",
            select!(player_id | player_id; I64 | I64; 1 1; 2 2; 2 2; 3 3; 3 3),
        ),
        (
            "
            SELECT u.id, i.id, player_id
            FROM ProjectUser u
            JOIN ProjectItem i ON u.id = 1 AND u.id = i.player_id
            ",
            select!(id | id | player_id; I64 | I64 | I64; 1 101 1),
        ),
        (
            "
            SELECT i.*, u.name
            FROM ProjectUser u
            JOIN ProjectItem i ON u.id = 2 AND u.id = i.player_id
            ",
            select!(
                id  | player_id | quantity | name
                I64 | I64       | I64      | Str;
                102   2           4          "Mike".to_owned();
                103   2           9          "Mike".to_owned()
            ),
        ),
        (
            "
            SELECT u.*, i.*
            FROM ProjectUser u
            JOIN ProjectItem i ON u.id = i.player_id
            ",
            select!(
                id  | name                 | id  | player_id | quantity
                I64 | Str                  | I64 | I64       | I64;
                1     "Taehoon".to_owned()   101   1           1;
                2     "Mike".to_owned()      102   2           4;
                2     "Mike".to_owned()      103   2           9;
                3     "Jorno".to_owned()     104   3           2;
                3     "Jorno".to_owned()     105   3           1
            ),
        ),
        (
            "SELECT id as Ident, name FROM ProjectUser",
            select!(
                Ident | name
                I64   | Str;
                1       "Taehoon".to_owned();
                2       "Mike".to_owned();
                3       "Jorno".to_owned()
            ),
        ),
        (
            "SELECT (1 + 2) as foo, 2+id+2*100-1 as Ident, name FROM ProjectUser",
            select!(
                foo | Ident | name
                I64 | I64   | Str;
                3     202     "Taehoon".to_owned();
                3     203     "Mike".to_owned();
                3     204     "Jorno".to_owned()
            ),
        ),
        (
            "
            SELECT id FROM ProjectUser
            WHERE id IN (
                SELECT ProjectUser.id FROM ProjectItem
                WHERE quantity > 5 AND ProjectUser.id = player_id
            );",
            select!(id; I64; 2),
        ),
    ];

    for (sql, expected) in test_cases {
        g.test(sql, Ok(expected)).await;
    }

    let error_cases = [
        (
            "SELECT Whatever.* FROM ProjectUser",
            FetchError::TableAliasNotFound("Whatever".to_owned()).into(),
        ),
        (
            "SELECT noname FROM ProjectUser",
            EvaluateError::ValueNotFound("noname".to_owned()).into(),
        ),
        (
            "SELECT (SELECT id FROM ProjectItem) as id FROM ProjectItem",
            EvaluateError::MoreThanOneRowReturned.into(),
        ),
        (
            "SELECT (SELECT 1,2)",
            EvaluateError::MoreThanOneColumnReturned.into(),
        ),
    ];

    for (sql, error) in error_cases {
        g.test(sql, Err(error)).await;
    }
});