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|
use std::rc::Rc;
use crate::doc_formatter::{DocumentFormatter, TextFormat};
use crate::text_annotations::{InlineAnnotation, Overlay, TextAnnotations};
impl TextFormat {
fn new_test(softwrap: bool) -> Self {
TextFormat {
soft_wrap: softwrap,
tab_width: 2,
max_wrap: 3,
max_indent_retain: 4,
wrap_indicator: ".".into(),
wrap_indicator_highlight: None,
// use a prime number to allow lining up too often with repeat
viewport_width: 17,
}
}
}
impl<'t> DocumentFormatter<'t> {
fn collect_to_str(&mut self) -> String {
use std::fmt::Write;
let mut res = String::new();
let viewport_width = self.text_fmt.viewport_width;
let mut line = 0;
for (grapheme, pos) in self {
if pos.row != line {
line += 1;
assert_eq!(pos.row, line);
write!(res, "\n{}", ".".repeat(pos.col)).unwrap();
assert!(
pos.col <= viewport_width as usize,
"softwrapped failed {}<={viewport_width}",
pos.col
);
}
write!(res, "{}", grapheme.grapheme).unwrap();
}
res
}
}
fn softwrap_text(text: &str) -> String {
DocumentFormatter::new_at_prev_checkpoint(
text.into(),
&TextFormat::new_test(true),
&TextAnnotations::default(),
0,
)
.0
.collect_to_str()
}
#[test]
fn basic_softwrap() {
assert_eq!(
softwrap_text(&"foo ".repeat(10)),
"foo foo foo foo \n.foo foo foo foo \n.foo foo "
);
assert_eq!(
softwrap_text(&"fooo ".repeat(10)),
"fooo fooo fooo \n.fooo fooo fooo \n.fooo fooo fooo \n.fooo "
);
// check that we don't wrap unnecessarily
assert_eq!(softwrap_text("\t\txxxx1xxxx2xx\n"), " xxxx1xxxx2xx \n ");
}
#[test]
fn softwrap_indentation() {
assert_eq!(
softwrap_text("\t\tfoo1 foo2 foo3 foo4 foo5 foo6\n"),
" foo1 foo2 \n.....foo3 foo4 \n.....foo5 foo6 \n "
);
assert_eq!(
softwrap_text("\t\t\tfoo1 foo2 foo3 foo4 foo5 foo6\n"),
" foo1 foo2 \n.foo3 foo4 foo5 \n.foo6 \n "
);
}
#[test]
fn long_word_softwrap() {
assert_eq!(
softwrap_text("\t\txxxx1xxxx2xxxx3xxxx4xxxx5xxxx6xxxx7xxxx8xxxx9xxx\n"),
" xxxx1xxxx2xxx\n.....x3xxxx4xxxx5\n.....xxxx6xxxx7xx\n.....xx8xxxx9xxx \n "
);
assert_eq!(
softwrap_text("xxxxxxxx1xxxx2xxx\n"),
"xxxxxxxx1xxxx2xxx\n. \n "
);
assert_eq!(
softwrap_text("\t\txxxx1xxxx 2xxxx3xxxx4xxxx5xxxx6xxxx7xxxx8xxxx9xxx\n"),
" xxxx1xxxx \n.....2xxxx3xxxx4x\n.....xxx5xxxx6xxx\n.....x7xxxx8xxxx9\n.....xxx \n "
);
assert_eq!(
softwrap_text("\t\txxxx1xxx 2xxxx3xxxx4xxxx5xxxx6xxxx7xxxx8xxxx9xxx\n"),
" xxxx1xxx 2xxx\n.....x3xxxx4xxxx5\n.....xxxx6xxxx7xx\n.....xx8xxxx9xxx \n "
);
}
fn overlay_text(text: &str, char_pos: usize, softwrap: bool, overlays: &[Overlay]) -> String {
DocumentFormatter::new_at_prev_checkpoint(
text.into(),
&TextFormat::new_test(softwrap),
TextAnnotations::default().add_overlay(overlays.into(), None),
char_pos,
)
.0
.collect_to_str()
}
#[test]
fn overlay() {
assert_eq!(
overlay_text(
"foobar",
0,
false,
&[Overlay::new(0, "X"), Overlay::new(2, "\t")],
),
"Xo bar "
);
assert_eq!(
overlay_text(
&"foo ".repeat(10),
0,
true,
&[
Overlay::new(2, "\t"),
Overlay::new(5, "\t"),
Overlay::new(16, "X"),
]
),
"fo f o foo \n.foo Xoo foo foo \n.foo foo foo "
);
}
fn annotate_text(text: &str, softwrap: bool, annotations: &[InlineAnnotation]) -> String {
DocumentFormatter::new_at_prev_checkpoint(
text.into(),
&TextFormat::new_test(softwrap),
TextAnnotations::default().add_inline_annotations(annotations.into(), None),
0,
)
.0
.collect_to_str()
}
#[test]
fn annotation() {
assert_eq!(
annotate_text("bar", false, &[InlineAnnotation::new(0, "foo")]),
"foobar "
);
assert_eq!(
annotate_text(
&"foo ".repeat(10),
true,
&[InlineAnnotation::new(0, "foo ")]
),
"foo foo foo foo \n.foo foo foo foo \n.foo foo foo "
);
}
#[test]
fn annotation_and_overlay() {
assert_eq!(
DocumentFormatter::new_at_prev_checkpoint(
"bbar".into(),
&TextFormat::new_test(false),
TextAnnotations::default()
.add_inline_annotations(Rc::new([InlineAnnotation::new(0, "fooo")]), None)
.add_overlay(Rc::new([Overlay::new(0, "\t")]), None),
0,
)
.0
.collect_to_str(),
"fooo bar "
);
}
|
