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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
extern crate serde;
extern crate milf;
#[macro_use]
extern crate serde_derive;
use std::collections::HashMap;
use std::fmt::Debug;
use milf::value::Datetime;
use milf::Spanned;
/// A set of good datetimes.
pub fn good_datetimes() -> Vec<&'static str> {
let mut v = Vec::new();
v.push("1997-09-09T09:09:09Z");
v.push("1997-09-09T09:09:09+09:09");
v.push("1997-09-09T09:09:09-09:09");
v.push("1997-09-09T09:09:09");
v.push("1997-09-09");
v.push("09:09:09");
v.push("1997-09-09T09:09:09.09Z");
v.push("1997-09-09T09:09:09.09+09:09");
v.push("1997-09-09T09:09:09.09-09:09");
v.push("1997-09-09T09:09:09.09");
v.push("09:09:09.09");
v
}
#[test]
fn test_spanned_field() {
#[derive(Deserialize)]
struct Foo<T> {
foo: Spanned<T>,
}
#[derive(Deserialize)]
struct BareFoo<T> {
foo: T,
}
fn good<'de, T>(s: &'de str, expected: &str, end: Option<usize>)
where
T: serde::Deserialize<'de> + Debug + PartialEq,
{
let foo: Foo<T> = milf::from_str(s).unwrap();
assert_eq!(6, foo.foo.start());
if let Some(end) = end {
assert_eq!(end, foo.foo.end());
} else {
assert_eq!(s.len(), foo.foo.end());
}
assert_eq!(expected, &s[foo.foo.start()..foo.foo.end()]);
// Test for Spanned<> at the top level
let foo_outer: Spanned<BareFoo<T>> = milf::from_str(s).unwrap();
assert_eq!(0, foo_outer.start());
assert_eq!(s.len(), foo_outer.end());
assert_eq!(foo.foo.into_inner(), foo_outer.into_inner().foo);
}
good::<String>("foo = \"foo\"", "\"foo\"", None);
good::<u32>("foo = 42", "42", None);
// leading plus
good::<u32>("foo = +42", "+42", None);
// table
good::<HashMap<String, u32>>(
"foo = {\"foo\" = 42, \"bar\" = 42}",
"{\"foo\" = 42, \"bar\" = 42}",
None,
);
// array
good::<Vec<u32>>("foo = [0, 1, 2, 3, 4]", "[0, 1, 2, 3, 4]", None);
// datetime
good::<String>(
"foo = \"1997-09-09T09:09:09Z\"",
"\"1997-09-09T09:09:09Z\"",
None,
);
for expected in good_datetimes() {
let s = format!("foo = {}", expected);
good::<Datetime>(&s, expected, None);
}
// ending at something other than the absolute end
good::<u32>("foo = 42\nnoise = true", "42", Some(8));
}
#[test]
fn test_inner_spanned_table() {
#[derive(Deserialize)]
struct Foo {
foo: Spanned<HashMap<Spanned<String>, Spanned<String>>>,
}
fn good(s: &str, zero: bool) {
let foo: Foo = milf::from_str(s).unwrap();
if zero {
assert_eq!(foo.foo.start(), 0);
// We'd actually have to assert equality with s.len() here,
// but the current implementation doesn't support that,
// and it's not possible with milf's data format to support it
// in the general case as spans aren't always well-defined.
// So this check mainly serves as a reminder that this test should
// be updated *if* one day there is support for emitting the actual span.
assert_eq!(foo.foo.end(), 0);
} else {
assert_eq!(foo.foo.start(), s.find("{").unwrap());
assert_eq!(foo.foo.end(), s.find("}").unwrap() + 1);
}
for (k, v) in foo.foo.get_ref().iter() {
assert_eq!(&s[k.start()..k.end()], k.get_ref());
assert_eq!(&s[(v.start() + 1)..(v.end() - 1)], v.get_ref());
}
}
good(
"
[foo]
a = 'b'
bar = 'baz'
c = 'd'
e = \"f\"
",
true,
);
good(
"
foo = { a = 'b', bar = 'baz', c = 'd', e = \"f\" }",
false,
);
}
#[test]
fn test_outer_spanned_table() {
#[derive(Deserialize)]
struct Foo {
foo: HashMap<Spanned<String>, Spanned<String>>,
}
fn good(s: &str) {
let foo: Foo = milf::from_str(s).unwrap();
for (k, v) in foo.foo.iter() {
assert_eq!(&s[k.start()..k.end()], k.get_ref());
assert_eq!(&s[(v.start() + 1)..(v.end() - 1)], v.get_ref());
}
}
good(
"
[foo]
a = 'b'
bar = 'baz'
c = 'd'
e = \"f\"
",
);
good(
"
foo = { a = 'b', bar = 'baz', c = 'd', e = \"f\" }
",
);
}
#[test]
fn test_spanned_nested() {
#[derive(Deserialize)]
struct Foo {
foo: HashMap<Spanned<String>, HashMap<Spanned<String>, Spanned<String>>>,
}
fn good(s: &str) {
let foo: Foo = milf::from_str(s).unwrap();
for (k, v) in foo.foo.iter() {
assert_eq!(&s[k.start()..k.end()], k.get_ref());
for (n_k, n_v) in v.iter() {
assert_eq!(&s[n_k.start()..n_k.end()], n_k.get_ref());
assert_eq!(&s[(n_v.start() + 1)..(n_v.end() - 1)], n_v.get_ref());
}
}
}
good(
"
[foo.a]
a = 'b'
c = 'd'
e = \"f\"
[foo.bar]
baz = 'true'
",
);
good(
"
[foo]
foo = { a = 'b', bar = 'baz', c = 'd', e = \"f\" }
bazz = {}
g = { h = 'i' }
",
);
}
#[test]
fn test_spanned_array() {
#[derive(Deserialize)]
struct Foo {
foo: Vec<Spanned<HashMap<Spanned<String>, Spanned<String>>>>,
}
fn good(s: &str) {
let foo_list: Foo = milf::from_str(s).unwrap();
for foo in foo_list.foo.iter() {
assert_eq!(foo.start(), 0);
// We'd actually have to assert equality with s.len() here,
// but the current implementation doesn't support that,
// and it's not possible with milf's data format to support it
// in the general case as spans aren't always well-defined.
// So this check mainly serves as a reminder that this test should
// be updated *if* one day there is support for emitting the actual span.
assert_eq!(foo.end(), 0);
for (k, v) in foo.get_ref().iter() {
assert_eq!(&s[k.start()..k.end()], k.get_ref());
assert_eq!(&s[(v.start() + 1)..(v.end() - 1)], v.get_ref());
}
}
}
good(
"
[[foo]]
a = 'b'
bar = 'baz'
c = 'd'
e = \"f\"
[[foo]]
a = 'c'
bar = 'baz'
c = 'g'
e = \"h\"
",
);
}
|
