This commit is contained in:
Keith Simmons 2022-05-25 10:22:49 -07:00
parent e93c49f4f0
commit 98f9575653
3 changed files with 449 additions and 414 deletions

View file

@ -1,25 +1,14 @@
use std::ops::{Deref, DerefMut, Range};
use std::ops::{Deref, DerefMut};
use collections::BTreeMap;
use itertools::{Either, Itertools};
use editor::{display_map::ToDisplayPoint, Autoscroll};
use gpui::{json::json, keymap::Keystroke, ViewHandle};
use indoc::indoc;
use language::Selection;
use editor::test::EditorTestContext;
use gpui::json::json;
use project::Project;
use util::{
set_eq,
test::{marked_text, marked_text_ranges_by, SetEqError},
};
use workspace::{pane, AppState, WorkspaceHandle};
use crate::{state::Operator, *};
pub struct VimTestContext<'a> {
cx: &'a mut gpui::TestAppContext,
window_id: usize,
editor: ViewHandle<Editor>,
cx: EditorTestContext<'a>,
}
impl<'a> VimTestContext<'a> {
@ -70,9 +59,11 @@ impl<'a> VimTestContext<'a> {
editor.update(cx, |_, cx| cx.focus_self());
Self {
cx,
window_id,
editor,
cx: EditorTestContext {
cx,
window_id,
editor,
},
}
}
@ -101,225 +92,13 @@ impl<'a> VimTestContext<'a> {
.read(|cx| cx.global::<Vim>().state.operator_stack.last().copied())
}
pub fn editor_text(&mut self) -> String {
self.editor
.update(self.cx, |editor, cx| editor.snapshot(cx).text())
}
pub fn simulate_keystroke(&mut self, keystroke_text: &str) {
let keystroke = Keystroke::parse(keystroke_text).unwrap();
let input = if keystroke.modified() {
None
} else {
Some(keystroke.key.clone())
};
self.cx
.dispatch_keystroke(self.window_id, keystroke, input, false);
}
pub fn simulate_keystrokes<const COUNT: usize>(&mut self, keystroke_texts: [&str; COUNT]) {
for keystroke_text in keystroke_texts.into_iter() {
self.simulate_keystroke(keystroke_text);
}
}
pub fn set_state(&mut self, text: &str, mode: Mode) {
self.cx
.update(|cx| Vim::update(cx, |vim, cx| vim.switch_mode(mode, cx)));
self.editor.update(self.cx, |editor, cx| {
let (unmarked_text, markers) = marked_text(&text);
editor.set_text(unmarked_text, cx);
let cursor_offset = markers[0];
editor.change_selections(Some(Autoscroll::Fit), cx, |s| {
s.replace_cursors_with(|map| vec![cursor_offset.to_display_point(map)])
});
})
}
// Asserts the editor state via a marked string.
// `|` characters represent empty selections
// `[` to `}` represents a non empty selection with the head at `}`
// `{` to `]` represents a non empty selection with the head at `{`
pub fn assert_editor_state(&mut self, text: &str) {
let (text_with_ranges, expected_empty_selections) = marked_text(&text);
let (unmarked_text, mut selection_ranges) =
marked_text_ranges_by(&text_with_ranges, vec![('[', '}'), ('{', ']')]);
let editor_text = self.editor_text();
assert_eq!(
editor_text, unmarked_text,
"Unmarked text doesn't match editor text"
);
let expected_reverse_selections = selection_ranges.remove(&('{', ']')).unwrap_or_default();
let expected_forward_selections = selection_ranges.remove(&('[', '}')).unwrap_or_default();
self.assert_selections(
expected_empty_selections,
expected_reverse_selections,
expected_forward_selections,
Some(text.to_string()),
)
}
pub fn assert_editor_selections(&mut self, expected_selections: Vec<Selection<usize>>) {
let (expected_empty_selections, expected_non_empty_selections): (Vec<_>, Vec<_>) =
expected_selections.into_iter().partition_map(|selection| {
if selection.is_empty() {
Either::Left(selection.head())
} else {
Either::Right(selection)
}
});
let (expected_reverse_selections, expected_forward_selections): (Vec<_>, Vec<_>) =
expected_non_empty_selections
.into_iter()
.partition_map(|selection| {
let range = selection.start..selection.end;
if selection.reversed {
Either::Left(range)
} else {
Either::Right(range)
}
});
self.assert_selections(
expected_empty_selections,
expected_reverse_selections,
expected_forward_selections,
None,
)
}
fn assert_selections(
&mut self,
expected_empty_selections: Vec<usize>,
expected_reverse_selections: Vec<Range<usize>>,
expected_forward_selections: Vec<Range<usize>>,
asserted_text: Option<String>,
) {
let (empty_selections, reverse_selections, forward_selections) =
self.editor.read_with(self.cx, |editor, cx| {
let (empty_selections, non_empty_selections): (Vec<_>, Vec<_>) = editor
.selections
.all::<usize>(cx)
.into_iter()
.partition_map(|selection| {
if selection.is_empty() {
Either::Left(selection.head())
} else {
Either::Right(selection)
}
});
let (reverse_selections, forward_selections): (Vec<_>, Vec<_>) =
non_empty_selections.into_iter().partition_map(|selection| {
let range = selection.start..selection.end;
if selection.reversed {
Either::Left(range)
} else {
Either::Right(range)
}
});
(empty_selections, reverse_selections, forward_selections)
});
let asserted_selections = asserted_text.unwrap_or_else(|| {
self.insert_markers(
&expected_empty_selections,
&expected_reverse_selections,
&expected_forward_selections,
)
self.cx.update(|cx| {
Vim::update(cx, |vim, cx| {
vim.switch_mode(mode, cx);
})
});
let actual_selections =
self.insert_markers(&empty_selections, &reverse_selections, &forward_selections);
let unmarked_text = self.editor_text();
let all_eq: Result<(), SetEqError<String>> =
set_eq!(expected_empty_selections, empty_selections)
.map_err(|err| {
err.map(|missing| {
let mut error_text = unmarked_text.clone();
error_text.insert(missing, '|');
error_text
})
})
.and_then(|_| {
set_eq!(expected_reverse_selections, reverse_selections).map_err(|err| {
err.map(|missing| {
let mut error_text = unmarked_text.clone();
error_text.insert(missing.start, '{');
error_text.insert(missing.end, ']');
error_text
})
})
})
.and_then(|_| {
set_eq!(expected_forward_selections, forward_selections).map_err(|err| {
err.map(|missing| {
let mut error_text = unmarked_text.clone();
error_text.insert(missing.start, '[');
error_text.insert(missing.end, '}');
error_text
})
})
});
match all_eq {
Err(SetEqError::LeftMissing(location_text)) => {
panic!(
indoc! {"
Editor has extra selection
Extra Selection Location:
{}
Asserted selections:
{}
Actual selections:
{}"},
location_text, asserted_selections, actual_selections,
);
}
Err(SetEqError::RightMissing(location_text)) => {
panic!(
indoc! {"
Editor is missing empty selection
Missing Selection Location:
{}
Asserted selections:
{}
Actual selections:
{}"},
location_text, asserted_selections, actual_selections,
);
}
_ => {}
}
}
fn insert_markers(
&mut self,
empty_selections: &Vec<usize>,
reverse_selections: &Vec<Range<usize>>,
forward_selections: &Vec<Range<usize>>,
) -> String {
let mut editor_text_with_selections = self.editor_text();
let mut selection_marks = BTreeMap::new();
for offset in empty_selections {
selection_marks.insert(offset, '|');
}
for range in reverse_selections {
selection_marks.insert(&range.start, '{');
selection_marks.insert(&range.end, ']');
}
for range in forward_selections {
selection_marks.insert(&range.start, '[');
selection_marks.insert(&range.end, '}');
}
for (offset, mark) in selection_marks.into_iter().rev() {
editor_text_with_selections.insert(*offset, mark);
}
editor_text_with_selections
self.cx.set_state(text);
}
pub fn assert_binding<const COUNT: usize>(
@ -331,8 +110,8 @@ impl<'a> VimTestContext<'a> {
mode_after: Mode,
) {
self.set_state(initial_state, initial_mode);
self.simulate_keystrokes(keystrokes);
self.assert_editor_state(state_after);
self.cx.simulate_keystrokes(keystrokes);
self.cx.assert_editor_state(state_after);
assert_eq!(self.mode(), mode_after);
assert_eq!(self.active_operator(), None);
}
@ -355,10 +134,16 @@ impl<'a> VimTestContext<'a> {
}
impl<'a> Deref for VimTestContext<'a> {
type Target = gpui::TestAppContext;
type Target = EditorTestContext<'a>;
fn deref(&self) -> &Self::Target {
self.cx
&self.cx
}
}
impl<'a> DerefMut for VimTestContext<'a> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.cx
}
}