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zola/components/rendering/tests/codeblock_hl_lines.rs
Vincent Prouillet 4a87689cfb Add class based syntax higlighting + line numbers (#1531) 
* Add class based syntax higlighting + line numbers

* Use fork of syntect for now

* Fix tests

* Fix diff background on inline highlighter

Co-authored-by: evan-brass <evan-brass@protonmail.com>
2021-07-10 08:53:19 +02:00

515 lines
9.6 KiB
Rust
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use std::collections::HashMap;
use tera::Tera;
use config::Config;
use front_matter::InsertAnchor;
use rendering::{render_content, RenderContext};
macro_rules! colored_html_line {
( @no $s:expr ) => {{
let mut result = "<span>".to_string();
result.push_str($s);
result.push_str("\n</span>");
result
}};
( @hl $s:expr ) => {{
let mut result = "<mark style=\"background-color:#65737e30;\">".to_string();
result.push_str("<span>");
result.push_str($s);
result.push_str("\n</span>");
result.push_str("</mark>");
result
}};
}
macro_rules! colored_html {
( $(@$kind:tt $s:expr),* $(,)* ) => {{
let mut result = "<pre style=\"background-color:#2b303b;color:#c0c5ce;\"><code>".to_string();
$(
result.push_str(colored_html_line!(@$kind $s).as_str());
)*
result.push_str("</code></pre>\n");
result
}};
}
#[test]
fn hl_lines_simple() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@hl "bar",
@no "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_in_middle() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=2-3
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_all() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=1-4
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@hl "baz",
)
);
}
#[test]
fn hl_lines_start_from_one() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=1-3
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_start_from_zero() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=0-3
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_end() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=3-4
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@no "bar",
@hl "bar",
@hl "baz",
)
);
}
#[test]
fn hl_lines_end_out_of_bounds() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=3-4294967295
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@no "bar",
@hl "bar",
@hl "baz",
)
);
}
#[test]
fn hl_lines_overlap() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=2-3 1-2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_multiple() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=2-3,hl_lines=1-2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_extra_spaces() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
``` hl_lines = 2 - 3 1 - 2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_int_and_range() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=1 3-4
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@hl "foo",
@no "bar",
@hl "bar",
@hl "baz",
)
);
}
#[test]
fn hl_lines_single_line_range() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=2-2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@hl "bar",
@no "bar",
@no "baz",
)
);
}
#[test]
fn hl_lines_reverse_range() {
let tera_ctx = Tera::default();
let permalinks_ctx = HashMap::new();
let mut config = Config::default_for_test();
config.markdown.highlight_code = true;
let context = RenderContext::new(
&tera_ctx,
&config,
&config.default_language,
"",
&permalinks_ctx,
InsertAnchor::None,
);
let res = render_content(
r#"
```hl_lines=3-2
foo
bar
bar
baz
```
"#,
&context,
)
.unwrap();
assert_eq!(
res.body,
colored_html!(
@no "foo",
@hl "bar",
@hl "bar",
@no "baz",
)
);
}
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