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|
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 hunks = self.hunks;
// dropping the channel terminates the task
drop(self.channel);
handle.await.unwrap();
let hunks = hunks.lock();
Vec::clone(&*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
},
]
)
}
|
