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
use std::fmt;
use std::fmt::{Display, Formatter};
/// A single contiguous block of `CommitMessage` text
#[derive(Debug, PartialEq, Clone, Default)]
pub struct Body {
text: String,
}
impl Body {
/// Append one body onto another
///
/// This is for concatenating multiple bodies together
///
/// # Example
///
/// ```
/// use indoc::indoc;
/// use mit_commit::Body;
///
/// assert_eq!(
/// Body::from(indoc!(
/// "
/// Example 1
/// Example 2"
/// )),
/// Body::from("Example 1").append(&Body::from("Example 2"))
/// )
/// ```
#[must_use]
pub fn append(&self, additional: &Body) -> Body {
Body::from(format!("{}\n{}", self.text, additional.text))
}
/// Is this body empty
///
/// Empty bodies usually indicate a paragraph break in commit messages so it's handy to be able
/// to see them.
///
/// # Example
///
/// ```
/// use indoc::indoc;
/// use mit_commit::Body;
///
/// assert_eq!(Body::from("").is_empty(), true)
/// ```
#[must_use]
pub fn is_empty(&self) -> bool {
self.text.is_empty()
}
}
impl From<&str> for Body {
fn from(body: &str) -> Self {
Body {
text: String::from(body),
}
}
}
impl From<String> for Body {
fn from(body: String) -> Self {
Body { text: body }
}
}
impl From<Body> for String {
fn from(body: Body) -> Self {
body.text
}
}
impl Display for Body {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
write!(f, "{}", String::from(self.clone()))
}
}
#[cfg(test)]
mod tests {
use pretty_assertions::assert_eq;
use indoc::indoc;
use super::Body;
#[test]
fn it_can_give_me_it_as_a_string_from_a_str() {
let body = Body::from("Example Body");
assert_eq!(String::from(body), String::from("Example Body"))
}
#[test]
fn it_can_give_me_it_as_a_string_from_a_string() {
let body = Body::from(String::from("Example Body"));
assert_eq!(String::from(body), String::from("Example Body"))
}
#[test]
fn it_implements_display() {
let body = Body::from("Example Body");
assert_eq!(format!("{}", body), "Example Body")
}
#[test]
fn it_can_append_another_body_fragment() {
assert_eq!(
Body::from(indoc!(
"
Example 1
Example 2"
)),
Body::from("Example 1").append(&Body::from("Example 2"))
)
}
#[test]
fn it_can_tell_me_if_it_is_empty() {
assert_eq!(Body::from("").is_empty(), true)
}
#[test]
fn it_can_tell_me_if_it_is_full() {
assert_eq!(Body::from("something").is_empty(), false)
}
}