[tablify] / src / lib.rs

use std::collections::{HashMap, HashSet};
use std::fmt::Write;
use std::io::BufRead;
use std::iter::Iterator;

const HEADER: &str = "<!DOCTYPE html>
<html>
<head>
  <meta charset=\"utf-8\">
  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">
  <style>
    td { text-align: center; }
    /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
    th, td { white-space: nowrap; }
    th { text-align: left; font-weight: normal; }
    table { border-collapse: collapse }
    tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
    tr.key > th > div { width: 1em; }
    tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
    td { border: thin solid gray; }
    td.yes { border: thin solid gray; background-color: #ddd; }
    /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
    .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
  </style>
  <script>
    function highlight(id)       { const e = document.getElementById(id); if (e) { e.classList.add(   \"highlight\"); } }
    function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove(\"highlight\"); } }
    function h2(a, b)  {       highlight(a);       highlight(b); }
    function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
  </script>
</head>
<body>
  <table>
    <tbody>
";
const FOOTER: &str = "    </tbody>
  </table>
</body>
</html>";

#[derive(Debug, PartialEq, Eq, Hash)]
struct Entry {
    col: String,
    instance: Option<String>,
}
impl From<&str> for Entry {
    fn from(value: &str) -> Entry {
        match value.split_once(':') {
            None => Entry {
                col: String::from(value),
                instance: None,
            },
            Some((col, instance)) => Entry {
                col: String::from(col.trim()),
                instance: Some(String::from(instance.trim())),
            },
        }
    }
}

#[derive(Debug, PartialEq, Eq)]
struct RowInput {
    label: String,
    entries: Vec<Entry>,
}

struct Reader<Input: Iterator<Item = Result<String, std::io::Error>>> {
    input: std::iter::Enumerate<Input>,
    row: Option<RowInput>,
}
impl<Input: Iterator<Item = Result<String, std::io::Error>>> Reader<Input> {
    fn new(input: Input) -> Self {
        Self {
            input: input.enumerate(),
            row: None,
        }
    }
}
impl<Input: Iterator<Item = Result<String, std::io::Error>>> Iterator for Reader<Input> {
    type Item = Result<RowInput, std::io::Error>;
    fn next(&mut self) -> Option<Self::Item> {
        loop {
            match self
                .input
                .next()
                .map(|(n, r)| (n, r.map(|line| String::from(line.trim_end()))))
            {
                None => return Ok(std::mem::take(&mut self.row)).transpose(),
                Some((_, Err(e))) => return Some(Err(e)),
                Some((_, Ok(line))) if line.is_empty() && self.row.is_some() => {
                    return Ok(std::mem::take(&mut self.row)).transpose()
                }
                Some((_, Ok(line))) if line.is_empty() => {}
                Some((n, Ok(line))) if line.starts_with(' ') => match &mut self.row {
                    None => {
                        return Some(Err(std::io::Error::other(format!(
                            "{}: Entry with no header",
                            n + 1
                        ))))
                    }
                    Some(ref mut row) => row.entries.push(Entry::from(line.trim())),
                },
                Some((_, Ok(line))) => {
                    let prev = std::mem::take(&mut self.row);
                    self.row = Some(RowInput {
                        label: line,
                        entries: vec![],
                    });
                    if prev.is_some() {
                        return Ok(prev).transpose();
                    }
                }
            }
        }
    }
}

fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = Result<RowInput, std::io::Error>> {
    Reader::new(std::io::BufReader::new(input).lines())
}

fn column_counts(rows: &[RowInput]) -> Vec<(usize, String)> {
    let mut counts: Vec<_> = rows
        .iter()
        .flat_map(|r| {
            r.entries
                .iter()
                .map(|e| &e.col)
                .collect::<HashSet<_>>()
                .into_iter()
        })
        .fold(HashMap::new(), |mut cs, col| {
            cs.entry(String::from(col))
                .and_modify(|n| *n += 1)
                .or_insert(1);
            cs
        })
        .into_iter()
        .map(|(col, n)| (n, col))
        .collect();
    counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
    counts
}
fn column_order(rows: &[RowInput]) -> Vec<String> {
    column_counts(rows)
        .into_iter()
        .map(|(_, col)| col)
        .collect()
}

fn render_instance(entry: &Entry) -> String {
    match &entry.instance {
        None => String::from("✓"),
        Some(instance) => String::from(instance),
    }
}

fn render_cell(col: &str, row: &RowInput) -> String {
    // TODO: Escape HTML special characters
    let row_label = &row.label;
    let entries: Vec<&Entry> = row.entries.iter().filter(|e| e.col == col).collect();
    let class = if entries.is_empty() { "" } else { "yes" };
    let all_empty = entries.iter().all(|e| e.instance.is_none());
    let contents = if entries.is_empty() || (all_empty && entries.len() == 1) {
        String::new()
    } else if all_empty {
        format!("{}", entries.len())
    } else {
        entries
            .iter()
            .map(|i| render_instance(i))
            .collect::<Vec<_>>()
            .join(" ")
    };
    format!("<td class=\"{class}\" onmouseover=\"h2('{row_label}','{col}')\" onmouseout=\"ch2('{row_label}','{col}')\">{contents}</td>")
}

fn render_row(columns: &[String], row: &RowInput) -> String {
    // This is O(n^2) & doesn't need to be
    // TODO: Escape HTML special characters
    let row_label = &row.label;
    format!(
        "<tr><th id=\"{row_label}\">{row_label}</th>{}</tr>\n",
        &columns
            .iter()
            .map(|col| render_cell(col, row))
            .collect::<String>()
    )
}

fn render_column_headers(columns: &[String]) -> String {
    // TODO: Escape HTML special characters
    String::from("<tr class=\"key\"><th></th>")
        + &columns.iter().fold(String::new(), |mut acc, c| {
            write!(&mut acc, "<th id=\"{c}\"><div><div>{c}</div></div></th>").unwrap();
            acc
        })
        + "</tr>\n"
}

/// # Errors
///
/// Will return `Err` if
///   * there's an i/o error while reading `input`
///   * the log has invalid syntax:
///     * an indented line with no preceding non-indented line
pub fn tablify(input: impl std::io::Read) -> Result<String, std::io::Error> {
    let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
    let columns = column_order(&rows);
    Ok(String::from(HEADER)
        + &render_column_headers(&columns)
        + &rows
            .into_iter()
            .map(|r| render_row(&columns, &r))
            .collect::<String>()
        + FOOTER)
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_parse_entry() {
        assert_eq!(
            Entry::from("foo"),
            Entry {
                col: String::from("foo"),
                instance: None
            }
        );
        assert_eq!(
            Entry::from("foo:bar"),
            Entry {
                col: String::from("foo"),
                instance: Some(String::from("bar"))
            }
        );
        assert_eq!(
            Entry::from("foo: bar"),
            Entry {
                col: String::from("foo"),
                instance: Some(String::from("bar"))
            }
        );
    }

    #[test]
    fn test_read_rows() {
        assert_eq!(
            read_rows(&b"foo"[..]).flatten().collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("foo"),
                entries: vec![]
            }]
        );
        assert_eq!(
            read_rows(&b"bar"[..]).flatten().collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("bar"),
                entries: vec![]
            }]
        );
        assert_eq!(
            read_rows(&b"foo\nbar\n"[..]).flatten().collect::<Vec<_>>(),
            vec![
                RowInput {
                    label: String::from("foo"),
                    entries: vec![]
                },
                RowInput {
                    label: String::from("bar"),
                    entries: vec![]
                }
            ]
        );
        assert_eq!(
            read_rows(&b"foo\n bar\n"[..]).flatten().collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("foo"),
                entries: vec![Entry::from("bar")]
            }]
        );
        assert_eq!(
            read_rows(&b"foo\n bar\n baz\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("foo"),
                entries: vec![Entry::from("bar"), Entry::from("baz")]
            }]
        );
        assert_eq!(
            read_rows(&b"foo\n\nbar\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![
                RowInput {
                    label: String::from("foo"),
                    entries: vec![]
                },
                RowInput {
                    label: String::from("bar"),
                    entries: vec![]
                }
            ]
        );
        assert_eq!(
            read_rows(&b"foo\n \nbar\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![
                RowInput {
                    label: String::from("foo"),
                    entries: vec![]
                },
                RowInput {
                    label: String::from("bar"),
                    entries: vec![]
                }
            ]
        );
        assert_eq!(
            read_rows(&b"foo  \n bar  \n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("foo"),
                entries: vec![Entry::from("bar")]
            }]
        );

        let bad = read_rows(&b" foo"[..]).next().unwrap();
        assert!(bad.is_err());
        assert!(format!("{bad:?}").contains("1: Entry with no header"));

        let bad2 = read_rows(&b"foo\n\n bar"[..]).nth(1).unwrap();
        assert!(bad2.is_err());
        assert!(format!("{bad2:?}").contains("3: Entry with no header"));
    }

    #[test]
    fn test_column_counts() {
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n baz\n"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(1, String::from("bar")), (1, String::from("baz"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n baz\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
    }

    #[test]
    fn test_render_cell() {
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![]
                }
            ),
            String::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
        );
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![Entry::from("bar")]
                }
            ),
            String::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
        );
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![Entry::from("foo")]
                }
            ),
            String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
        );
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![Entry::from("foo"), Entry::from("foo")]
                }
            ),
            String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">2</td>")
        );
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![Entry::from("foo: 5"), Entry::from("foo: 10")]
                }
            ),
            String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 10</td>")
        );
        assert_eq!(
            render_cell(
                "foo",
                &RowInput {
                    label: String::from("nope"),
                    entries: vec![Entry::from("foo: 5"), Entry::from("foo")]
                }
            ),
            String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 ✓</td>")
        );
    }
}
Commit	Line	Data
397ef957	1	use std::collections::{HashMap, HashSet};
7067975b	2	use std::fmt::Write;
9dfa98b7	3	use std::io::BufRead;
75bb888a SW	4	use std::iter::Iterator;
75bb888a SW	5
cc2378d5 SW	6	const HEADER: &str = "<!DOCTYPE html>
	7	<html>
	8	<head>
	9	<meta charset=\"utf-8\">
	10	<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">
	11	<style>
b8b365ce	12	td { text-align: center; }
cc2378d5 SW	13	/* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
	14	th, td { white-space: nowrap; }
	15	th { text-align: left; font-weight: normal; }
	16	table { border-collapse: collapse }
3bc643e9	17	tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
cc2378d5 SW	18	tr.key > th > div { width: 1em; }
	19	tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
	20	td { border: thin solid gray; }
1dda21e6	21	td.yes { border: thin solid gray; background-color: #ddd; }
cc2378d5 SW	22	/* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
cc2378d5 SW	23	.highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
cc2378d5 SW	24	</style>
	25	<script>
	26	function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( \"highlight\"); } }
	27	function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove(\"highlight\"); } }
	28	function h2(a, b) { highlight(a); highlight(b); }
	29	function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
	30	</script>
	31	</head>
	32	<body>
	33	<table>
76638ea1 SW	34	<tbody>
76638ea1 SW	35	";
cc2378d5 SW	36	const FOOTER: &str = " </tbody>
	37	</table>
	38	</body>
	39	</html>";
	40
14e9852b	41	#[derive(Debug, PartialEq, Eq, Hash)]
e8657dff SW	42	struct Entry {
e8657dff SW	43	col: String,
b8907770	44	instance: Option<String>,
e8657dff SW	45	}
	46	impl From<&str> for Entry {
	47	fn from(value: &str) -> Entry {
b8907770 SW	48	match value.split_once(':') {
	49	None => Entry {
	50	col: String::from(value),
	51	instance: None,
	52	},
	53	Some((col, instance)) => Entry {
0d999bc3 SW	54	col: String::from(col.trim()),
0d999bc3 SW	55	instance: Some(String::from(instance.trim())),
b8907770	56	},
e8657dff SW	57	}
	58	}
	59	}
14e9852b	60
75bb888a SW	61	#[derive(Debug, PartialEq, Eq)]
	62	struct RowInput {
	63	label: String,
14e9852b	64	entries: Vec<Entry>,
75bb888a SW	65	}
75bb888a SW	66
201b9ef3	67	struct Reader<Input: Iterator<Item = Result<String, std::io::Error>>> {
8110b492	68	input: std::iter::Enumerate<Input>,
201b9ef3 SW	69	row: Option<RowInput>,
	70	}
	71	impl<Input: Iterator<Item = Result<String, std::io::Error>>> Reader<Input> {
201b9ef3	72	fn new(input: Input) -> Self {
8110b492 SW	73	Self {
	74	input: input.enumerate(),
	75	row: None,
	76	}
201b9ef3 SW	77	}
	78	}
	79	impl<Input: Iterator<Item = Result<String, std::io::Error>>> Iterator for Reader<Input> {
	80	type Item = Result<RowInput, std::io::Error>;
	81	fn next(&mut self) -> Option<Self::Item> {
	82	loop {
1f6bd845 SW	83	match self
	84	.input
	85	.next()
8110b492	86	.map(\|(n, r)\| (n, r.map(\|line\| String::from(line.trim_end()))))
1f6bd845	87	{
201b9ef3	88	None => return Ok(std::mem::take(&mut self.row)).transpose(),
8110b492 SW	89	Some((_, Err(e))) => return Some(Err(e)),
8110b492 SW	90	Some((_, Ok(line))) if line.is_empty() && self.row.is_some() => {
201b9ef3 SW	91	return Ok(std::mem::take(&mut self.row)).transpose()
201b9ef3 SW	92	}
8110b492 SW	93	Some((_, Ok(line))) if line.is_empty() => {}
	94	Some((n, Ok(line))) if line.starts_with(' ') => match &mut self.row {
	95	None => {
	96	return Some(Err(std::io::Error::other(format!(
	97	"{}: Entry with no header",
	98	n + 1
	99	))))
	100	}
e8657dff	101	Some(ref mut row) => row.entries.push(Entry::from(line.trim())),
201b9ef3	102	},
8110b492	103	Some((_, Ok(line))) => {
201b9ef3 SW	104	let prev = std::mem::take(&mut self.row);
	105	self.row = Some(RowInput {
	106	label: line,
	107	entries: vec![],
	108	});
	109	if prev.is_some() {
	110	return Ok(prev).transpose();
	111	}
	112	}
	113	}
	114	}
	115	}
	116	}
	117
201b9ef3 SW	118	fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = Result<RowInput, std::io::Error>> {
201b9ef3 SW	119	Reader::new(std::io::BufReader::new(input).lines())
75bb888a SW	120	}
75bb888a SW	121
58b5f36d SW	122	fn column_counts(rows: &[RowInput]) -> Vec<(usize, String)> {
	123	let mut counts: Vec<_> = rows
	124	.iter()
b8907770 SW	125	.flat_map(\|r\| {
	126	r.entries
	127	.iter()
	128	.map(\|e\| &e.col)
	129	.collect::<HashSet<_>>()
	130	.into_iter()
	131	})
	132	.fold(HashMap::new(), \|mut cs, col\| {
	133	cs.entry(String::from(col))
58b5f36d	134	.and_modify(\|n\| *n += 1)
f272e502	135	.or_insert(1);
58b5f36d	136	cs
f272e502	137	})
58b5f36d SW	138	.into_iter()
	139	.map(\|(col, n)\| (n, col))
	140	.collect();
38d1167a	141	counts.sort_unstable_by(\|(an, acol), (bn, bcol)\| bn.cmp(an).then(acol.cmp(bcol)));
58b5f36d	142	counts
f272e502	143	}
d22b2e05 SW	144	fn column_order(rows: &[RowInput]) -> Vec<String> {
	145	column_counts(rows)
	146	.into_iter()
	147	.map(\|(_, col)\| col)
	148	.collect()
	149	}
f272e502	150
de408c29 SW	151	fn render_instance(entry: &Entry) -> String {
de408c29 SW	152	match &entry.instance {
54b1f74f SW	153	None => String::from("✓"),
54b1f74f SW	154	Some(instance) => String::from(instance),
de408c29 SW	155	}
	156	}
	157
	158	fn render_cell(col: &str, row: &RowInput) -> String {
	159	// TODO: Escape HTML special characters
92476edc	160	let row_label = &row.label;
de408c29 SW	161	let entries: Vec<&Entry> = row.entries.iter().filter(\|e\| e.col == col).collect();
	162	let class = if entries.is_empty() { "" } else { "yes" };
	163	let all_empty = entries.iter().all(\|e\| e.instance.is_none());
	164	let contents = if entries.is_empty() \|\| (all_empty && entries.len() == 1) {
	165	String::new()
	166	} else if all_empty {
	167	format!("{}", entries.len())
	168	} else {
	169	entries
	170	.iter()
	171	.map(\|i\| render_instance(i))
54b1f74f SW	172	.collect::<Vec<_>>()
54b1f74f SW	173	.join(" ")
de408c29	174	};
54b1f74f	175	format!("<td class=\"{class}\" onmouseover=\"h2('{row_label}','{col}')\" onmouseout=\"ch2('{row_label}','{col}')\">{contents}</td>")
de408c29 SW	176	}
	177
	178	fn render_row(columns: &[String], row: &RowInput) -> String {
	179	// This is O(n^2) & doesn't need to be
	180	// TODO: Escape HTML special characters
92476edc	181	let row_label = &row.label;
de408c29	182	format!(
92476edc	183	"<tr><th id=\"{row_label}\">{row_label}</th>{}</tr>\n",
de408c29 SW	184	&columns
	185	.iter()
	186	.map(\|col\| render_cell(col, row))
	187	.collect::<String>()
	188	)
	189	}
	190
76638ea1 SW	191	fn render_column_headers(columns: &[String]) -> String {
76638ea1 SW	192	// TODO: Escape HTML special characters
92476edc	193	String::from("<tr class=\"key\"><th></th>")
7067975b	194	+ &columns.iter().fold(String::new(), \|mut acc, c\| {
92476edc	195	write!(&mut acc, "<th id=\"{c}\"><div><div>{c}</div></div></th>").unwrap();
7067975b SW	196	acc
7067975b SW	197	})
92476edc	198	+ "</tr>\n"
76638ea1 SW	199	}
76638ea1 SW	200
4b99fb70 SW	201	/// # Errors
	202	///
	203	/// Will return `Err` if
	204	/// * there's an i/o error while reading `input`
	205	/// * the log has invalid syntax:
	206	/// * an indented line with no preceding non-indented line
	207	pub fn tablify(input: impl std::io::Read) -> Result<String, std::io::Error> {
	208	let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
de408c29 SW	209	let columns = column_order(&rows);
de408c29 SW	210	Ok(String::from(HEADER)
76638ea1	211	+ &render_column_headers(&columns)
de408c29 SW	212	+ &rows
	213	.into_iter()
	214	.map(\|r\| render_row(&columns, &r))
	215	.collect::<String>()
	216	+ FOOTER)
ece97615	217	}
75bb888a SW	218
	219	#[cfg(test)]
	220	mod tests {
	221	use super::*;
	222
b8907770 SW	223	#[test]
	224	fn test_parse_entry() {
	225	assert_eq!(
	226	Entry::from("foo"),
	227	Entry {
	228	col: String::from("foo"),
	229	instance: None
	230	}
	231	);
	232	assert_eq!(
	233	Entry::from("foo:bar"),
	234	Entry {
	235	col: String::from("foo"),
	236	instance: Some(String::from("bar"))
	237	}
	238	);
0d999bc3 SW	239	assert_eq!(
	240	Entry::from("foo: bar"),
	241	Entry {
	242	col: String::from("foo"),
	243	instance: Some(String::from("bar"))
	244	}
	245	);
b8907770 SW	246	}
b8907770 SW	247
75bb888a SW	248	#[test]
	249	fn test_read_rows() {
	250	assert_eq!(
201b9ef3	251	read_rows(&b"foo"[..]).flatten().collect::<Vec<_>>(),
75bb888a SW	252	vec![RowInput {
	253	label: String::from("foo"),
	254	entries: vec![]
	255	}]
	256	);
9dfa98b7	257	assert_eq!(
201b9ef3	258	read_rows(&b"bar"[..]).flatten().collect::<Vec<_>>(),
9dfa98b7 SW	259	vec![RowInput {
	260	label: String::from("bar"),
	261	entries: vec![]
	262	}]
	263	);
2aa9ef94	264	assert_eq!(
201b9ef3	265	read_rows(&b"foo\nbar\n"[..]).flatten().collect::<Vec<_>>(),
2aa9ef94 SW	266	vec![
	267	RowInput {
	268	label: String::from("foo"),
	269	entries: vec![]
	270	},
	271	RowInput {
	272	label: String::from("bar"),
	273	entries: vec![]
	274	}
	275	]
	276	);
201b9ef3 SW	277	assert_eq!(
	278	read_rows(&b"foo\n bar\n"[..]).flatten().collect::<Vec<_>>(),
	279	vec![RowInput {
	280	label: String::from("foo"),
e8657dff	281	entries: vec![Entry::from("bar")]
201b9ef3 SW	282	}]
	283	);
	284	assert_eq!(
	285	read_rows(&b"foo\n bar\n baz\n"[..])
	286	.flatten()
	287	.collect::<Vec<_>>(),
	288	vec![RowInput {
	289	label: String::from("foo"),
e8657dff	290	entries: vec![Entry::from("bar"), Entry::from("baz")]
201b9ef3 SW	291	}]
	292	);
	293	assert_eq!(
	294	read_rows(&b"foo\n\nbar\n"[..])
	295	.flatten()
	296	.collect::<Vec<_>>(),
	297	vec![
	298	RowInput {
	299	label: String::from("foo"),
	300	entries: vec![]
	301	},
	302	RowInput {
	303	label: String::from("bar"),
	304	entries: vec![]
	305	}
	306	]
	307	);
1f6bd845 SW	308	assert_eq!(
	309	read_rows(&b"foo\n \nbar\n"[..])
	310	.flatten()
	311	.collect::<Vec<_>>(),
	312	vec![
	313	RowInput {
	314	label: String::from("foo"),
	315	entries: vec![]
	316	},
	317	RowInput {
	318	label: String::from("bar"),
	319	entries: vec![]
	320	}
	321	]
	322	);
	323	assert_eq!(
	324	read_rows(&b"foo \n bar \n"[..])
	325	.flatten()
	326	.collect::<Vec<_>>(),
	327	vec![RowInput {
	328	label: String::from("foo"),
e8657dff	329	entries: vec![Entry::from("bar")]
1f6bd845 SW	330	}]
1f6bd845 SW	331	);
201b9ef3 SW	332
	333	let bad = read_rows(&b" foo"[..]).next().unwrap();
	334	assert!(bad.is_err());
8110b492	335	assert!(format!("{bad:?}").contains("1: Entry with no header"));
201b9ef3 SW	336
	337	let bad2 = read_rows(&b"foo\n\n bar"[..]).nth(1).unwrap();
	338	assert!(bad2.is_err());
8110b492	339	assert!(format!("{bad2:?}").contains("3: Entry with no header"));
75bb888a	340	}
f272e502 SW	341
	342	#[test]
	343	fn test_column_counts() {
	344	assert_eq!(
	345	column_counts(
	346	&read_rows(&b"foo\n bar\n baz\n"[..])
	347	.collect::<Result<Vec<_>, _>>()
	348	.unwrap()
	349	),
58b5f36d	350	vec![(1, String::from("bar")), (1, String::from("baz"))]
f272e502 SW	351	);
	352	assert_eq!(
	353	column_counts(
	354	&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..])
	355	.collect::<Result<Vec<_>, _>>()
	356	.unwrap()
	357	),
38d1167a	358	vec![(2, String::from("baz")), (1, String::from("bar"))]
f272e502	359	);
397ef957 SW	360	assert_eq!(
	361	column_counts(
	362	&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..])
	363	.collect::<Result<Vec<_>, _>>()
	364	.unwrap()
	365	),
38d1167a	366	vec![(2, String::from("baz")), (1, String::from("bar"))]
397ef957	367	);
b8907770 SW	368	assert_eq!(
	369	column_counts(
	370	&read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..])
	371	.collect::<Result<Vec<_>, _>>()
	372	.unwrap()
	373	),
38d1167a	374	vec![(2, String::from("baz")), (1, String::from("bar"))]
b8907770	375	);
f272e502	376	}
de408c29 SW	377
	378	#[test]
	379	fn test_render_cell() {
	380	assert_eq!(
	381	render_cell(
	382	"foo",
	383	&RowInput {
	384	label: String::from("nope"),
	385	entries: vec![]
	386	}
	387	),
92476edc	388	String::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
de408c29 SW	389	);
	390	assert_eq!(
	391	render_cell(
	392	"foo",
	393	&RowInput {
	394	label: String::from("nope"),
	395	entries: vec![Entry::from("bar")]
	396	}
	397	),
92476edc	398	String::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
de408c29 SW	399	);
	400	assert_eq!(
	401	render_cell(
	402	"foo",
	403	&RowInput {
	404	label: String::from("nope"),
	405	entries: vec![Entry::from("foo")]
	406	}
	407	),
92476edc	408	String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
de408c29 SW	409	);
	410	assert_eq!(
	411	render_cell(
	412	"foo",
	413	&RowInput {
	414	label: String::from("nope"),
	415	entries: vec![Entry::from("foo"), Entry::from("foo")]
	416	}
	417	),
92476edc	418	String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">2</td>")
de408c29 SW	419	);
	420	assert_eq!(
	421	render_cell(
	422	"foo",
	423	&RowInput {
	424	label: String::from("nope"),
	425	entries: vec![Entry::from("foo: 5"), Entry::from("foo: 10")]
	426	}
	427	),
92476edc	428	String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 10</td>")
de408c29 SW	429	);
	430	assert_eq!(
	431	render_cell(
	432	"foo",
	433	&RowInput {
	434	label: String::from("nope"),
	435	entries: vec![Entry::from("foo: 5"), Entry::from("foo")]
	436	}
	437	),
92476edc	438	String::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 ✓</td>")
de408c29 SW	439	);
de408c29 SW	440	}
75bb888a	441	}