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
|
use helix_core::Rope;
use tokio::task::JoinHandle;
use crate::diff::{DiffHandle, Hunk};
impl DiffHandle {
fn new_test(diff_base: &str, doc: &str) -> (DiffHandle, JoinHandle<()>) {
DiffHandle::new_with_handle(
Rope::from_str(diff_base),
Rope::from_str(doc),
Default::default(),
)
}
async fn into_diff(self, handle: JoinHandle<()>) -> Vec<Hunk> {
let diff = self.diff;
// dropping the channel terminates the task
drop(self.channel);
handle.await.unwrap();
let diff = diff.lock();
Vec::clone(&diff.hunks)
}
}
#[tokio::test]
async fn append_line() {
let (differ, handle) = DiffHandle::new_test("foo\n", "foo\nbar\n");
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[Hunk {
before: 1..1,
after: 1..2
}]
)
}
#[tokio::test]
async fn prepend_line() {
let (differ, handle) = DiffHandle::new_test("foo\n", "bar\nfoo\n");
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[Hunk {
before: 0..0,
after: 0..1
}]
)
}
#[tokio::test]
async fn modify() {
let (differ, handle) = DiffHandle::new_test("foo\nbar\n", "foo bar\nbar\n");
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[Hunk {
before: 0..1,
after: 0..1
}]
)
}
#[tokio::test]
async fn delete_line() {
let (differ, handle) = DiffHandle::new_test("foo\nfoo bar\nbar\n", "foo\nbar\n");
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[Hunk {
before: 1..2,
after: 1..1
}]
)
}
#[tokio::test]
async fn delete_line_and_modify() {
let (differ, handle) = DiffHandle::new_test("foo\nbar\ntest\nfoo", "foo\ntest\nfoo bar");
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[
Hunk {
before: 1..2,
after: 1..1
},
Hunk {
before: 3..4,
after: 2..3
},
]
)
}
#[tokio::test]
async fn add_use() {
let (differ, handle) = DiffHandle::new_test(
"use ropey::Rope;\nuse tokio::task::JoinHandle;\n",
"use ropey::Rope;\nuse ropey::RopeSlice;\nuse tokio::task::JoinHandle;\n",
);
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[Hunk {
before: 1..1,
after: 1..2
},]
)
}
#[tokio::test]
async fn update_document() {
let (differ, handle) = DiffHandle::new_test("foo\nbar\ntest\nfoo", "foo\nbar\ntest\nfoo");
differ.update_document(Rope::from_str("foo\ntest\nfoo bar"), false);
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[
Hunk {
before: 1..2,
after: 1..1
},
Hunk {
before: 3..4,
after: 2..3
},
]
)
}
#[tokio::test]
async fn update_base() {
let (differ, handle) = DiffHandle::new_test("foo\ntest\nfoo bar", "foo\ntest\nfoo bar");
differ.update_diff_base(Rope::from_str("foo\nbar\ntest\nfoo"));
let line_diffs = differ.into_diff(handle).await;
assert_eq!(
&line_diffs,
&[
Hunk {
before: 1..2,
after: 1..1
},
Hunk {
before: 3..4,
after: 2..3
},
]
)
}
|
