taitan-orm-parser 0.1.12

Next Generation ORM based on sqlx
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

use std::borrow::{Borrow, Cow};
use syn::{parse_quote, DeriveInput, Field};
use taitan_orm_parser::{FieldDef, FieldName, InputParser, NamedVariant, ParsedField, TableColumnDef};


fn check_expected<T>(fields: &[T], index: usize, expected: &ParsedField) where T: Borrow<Field> {
    let field_def = FieldDef::parse(fields.get(index).unwrap().borrow(), false, None, None);
    assert_eq!(&field_def.struct_field, expected);
}

#[test]
pub fn field_parser_spec_struct() {
    let input: DeriveInput = parse_quote! {
        struct Foo<'a, 'b> {
            a: &'a str,
            b: Cow<'b, str>,
            c: String,
            d: Option<Cow<'b, str>>
        }
    };
    let fields = InputParser::get_fields(&input.data);

    let expect_struct_field = ParsedField {
        name: FieldName::named("a"),
        rust_type: Cow::Borrowed("& 'a str"),
        option_nest_level: 0,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'a")),
        origin_field: fields.get(0).map(|f|f.clone().clone()).unwrap(),
    };
    check_expected(&fields, 0, &expect_struct_field);

    let expect_struct_field = ParsedField {
        name: FieldName::named("b"),
        rust_type: Cow::Borrowed("Cow < 'b , str >"),
          option_nest_level: 0,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'b")),
        origin_field: fields.get(1).map(|f|f.clone().clone()).unwrap()
    };
    check_expected(&fields, 1, &expect_struct_field);

    let expect_struct_field = ParsedField {
        name: FieldName::named("c"),
        rust_type: Cow::Borrowed("String"),
          option_nest_level: 0,
        is_enum_variant: false,
        is_location_expr: false,
        lifetime: None,
        origin_field: fields.get(2).map(|f|f.clone().clone()).unwrap()
    };
    check_expected(&fields, 2, &expect_struct_field);

    let expect_struct_field = ParsedField {
        name: FieldName::named("d"),
        rust_type: Cow::Borrowed("Cow < 'b , str >"),
        option_nest_level: 1,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'b")),
        origin_field: fields.get(3).map(|f|f.clone().clone()).unwrap()
    };
    check_expected(&fields, 3, &expect_struct_field);
}

#[test]
pub fn field_parser_spec_with_attr() {
    let input: DeriveInput = parse_quote! {
        struct Foo<'a> {
            #[field(name = user_name, column_type = BIGINT, nullable = true, auto_inc = true, generated = "CONCAT(first_name, ' ', last_name)")]
            e: Option<Cow<'a, str>>
        }
    };
    let fields = InputParser::get_fields(&input.data);
    let field = fields.get(0).unwrap();
    let field_def = FieldDef::parse(field, false, None, None);

    let expect_struct_field = ParsedField {
        name: FieldName::named("e"),
        rust_type: Cow::Borrowed("Cow < 'a , str >"),
        option_nest_level: 1,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'a")),
        origin_field: fields.get(0).map(|f|f.clone().clone()).unwrap(),
    };
    let expect_column_def = TableColumnDef {
        name: Some(Cow::Borrowed("user_name")),
        column_type: Some(Cow::Borrowed("BIGINT")),
        default_value: None,
        generated: Some(Cow::Borrowed("CONCAT(first_name, ' ', last_name)")),
        nullable: true,
        auto_inc: true,
    };

    assert_eq!(field_def.struct_field, expect_struct_field);
    assert_eq!(field_def.table_column, expect_column_def);
}

#[test]
pub fn field_parser_spec_enum() {
    let input: DeriveInput = parse_quote! {
        enum Foo<'a, 'b> {
            A{field1: &'a str, field2: Option<Cow<'b, str>>},
            B{field3: String, field4: Optional<Cow<'b, str>>},
        }
    };
    let variants = InputParser::get_enum_variant(&input.data).unwrap();
    assert_eq!(variants[0].name, Cow::Borrowed("A"));

    let fields = &variants[0].fields;
    let expect_struct_field = ParsedField {
        name: FieldName::named("field1"),
        rust_type: Cow::Borrowed("& 'a str"),
          option_nest_level: 0,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'a")),
        origin_field: variants.first().unwrap().fields.get(0).map(|f|f.clone().clone()).unwrap(),
    };
    check_expected(fields, 0, &expect_struct_field);
    let expect_struct_field = ParsedField {
        name: FieldName::named("field2"),
        rust_type: Cow::Borrowed("Cow < 'b , str >"),
        option_nest_level: 1,
        is_location_expr: false,
        is_enum_variant: false,
        lifetime: Some(Cow::Borrowed("'b")),
        origin_field: variants.first().unwrap().fields.get(1).map(|f|f.clone().clone()).unwrap(),
    };
    check_expected(fields, 1, &expect_struct_field);
}