git.scottworley.com Git - tablify/blob - src/lib.rs

   1 use std::borrow::ToOwned;
   2 use std::collections::HashMap;
   3 use std::fmt::Write;
   4 use std::io::BufRead;
   5 use std::iter::Iterator;
   6
   7 #[derive(PartialEq, Eq, Debug)]
   8 struct Config {
   9     column_threshold: usize,
  10 }
  11 impl Config {
  12     fn apply_command(&mut self, cmd: &str) -> Result<(), std::io::Error> {
  13         if let Some(threshold) = cmd.strip_prefix("col_threshold ") {
  14             self.column_threshold = threshold
  15                 .parse()
  16                 .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidInput, e))?;
  17         }
  18         Ok(())
  19     }
  20 }
  21
  22 const HEADER: &str = r#"<!DOCTYPE html>
  23 <html>
  24 <head>
  25   <meta charset="utf-8">
  26   <meta name="viewport" content="width=device-width, initial-scale=1">
  27   <style>
  28     td { text-align: center; }
  29     /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
  30     th, td { white-space: nowrap; }
  31     th { text-align: left; font-weight: normal; }
  32     th.spacer_row { height: .3em; }
  33     table { border-collapse: collapse }
  34     tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
  35     tr.key > th > div { width: 1em; }
  36     tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
  37     td { border: thin solid gray; }
  38     td.leftover { text-align: left; border: none; padding-left: .4em; }
  39     td.yes { border: thin solid gray; background-color: #ddd; }
  40     /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
  41     .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
  42   </style>
  43   <script>
  44     function highlight(id)       { const e = document.getElementById(id); if (e) { e.classList.add(   "highlight"); } }
  45     function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
  46     function h2(a, b)  {       highlight(a);       highlight(b); }
  47     function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
  48   </script>
  49 </head>
  50 <body>
  51   <table>
  52     <tbody>
  53 "#;
  54 const FOOTER: &str = "    </tbody>
  55   </table>
  56 </body>
  57 </html>";
  58
  59 #[derive(PartialEq, Eq, Debug)]
  60 pub struct HTML(String);
  61 impl HTML {
  62     fn escape(value: &str) -> HTML {
  63         let mut escaped: String = String::new();
  64         for c in value.chars() {
  65             match c {
  66                 '>' => escaped.push_str("&gt;"),
  67                 '<' => escaped.push_str("&lt;"),
  68                 '\'' => escaped.push_str("&#39;"),
  69                 '"' => escaped.push_str("&quot;"),
  70                 '&' => escaped.push_str("&amp;"),
  71                 ok_c => escaped.push(ok_c),
  72             }
  73         }
  74         HTML(escaped)
  75     }
  76 }
  77 impl From<&str> for HTML {
  78     fn from(value: &str) -> HTML {
  79         HTML(String::from(value))
  80     }
  81 }
  82 impl FromIterator<HTML> for HTML {
  83     fn from_iter<T>(iter: T) -> HTML
  84     where
  85         T: IntoIterator<Item = HTML>,
  86     {
  87         HTML(iter.into_iter().map(|html| html.0).collect::<String>())
  88     }
  89 }
  90 impl std::fmt::Display for HTML {
  91     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  92         write!(f, "{}", self.0)
  93     }
  94 }
  95
  96 #[derive(Debug, PartialEq, Eq)]
  97 enum InputLine<'a> {
  98     Blank,
  99     RowHeader(&'a str),
 100     Entry(&'a str, Option<&'a str>),
 101     Command(&'a str),
 102 }
 103 impl<'a> From<&'a str> for InputLine<'a> {
 104     fn from(value: &'a str) -> InputLine<'a> {
 105         let trimmed = value.trim_end();
 106         if trimmed.is_empty() {
 107             InputLine::Blank
 108         } else if let Some(cmd) = trimmed.strip_prefix('!') {
 109             InputLine::Command(cmd)
 110         } else if !trimmed.starts_with(' ') {
 111             InputLine::RowHeader(value.trim())
 112         } else {
 113             match value.split_once(':') {
 114                 None => InputLine::Entry(value.trim(), None),
 115                 Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
 116             }
 117         }
 118     }
 119 }
 120
 121 #[derive(Debug, PartialEq, Eq)]
 122 struct Row {
 123     label: String,
 124     entries: HashMap<String, Vec<Option<String>>>,
 125 }
 126
 127 #[derive(Debug, PartialEq, Eq)]
 128 enum Rowlike {
 129     Row(Row),
 130     Spacer,
 131 }
 132
 133 struct Reader<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> {
 134     input: std::iter::Enumerate<Input>,
 135     row: Option<Row>,
 136     config: &'cfg mut Config,
 137 }
 138 impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg, Input> {
 139     fn new(config: &'cfg mut Config, input: Input) -> Self {
 140         Self {
 141             input: input.enumerate(),
 142             row: None,
 143             config,
 144         }
 145     }
 146 }
 147 impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
 148     for Reader<'cfg, Input>
 149 {
 150     type Item = Result<Rowlike, std::io::Error>;
 151     fn next(&mut self) -> Option<Self::Item> {
 152         loop {
 153             match self.input.next() {
 154                 None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
 155                 Some((_, Err(e))) => return Some(Err(e)),
 156                 Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
 157                     InputLine::Command(cmd) => {
 158                         if let Err(e) = self.config.apply_command(cmd) {
 159                             return Some(Err(e));
 160                         }
 161                     }
 162                     InputLine::Blank if self.row.is_some() => {
 163                         return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
 164                     }
 165                     InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
 166                     InputLine::Entry(col, instance) => match &mut self.row {
 167                         None => {
 168                             return Some(Err(std::io::Error::other(format!(
 169                                 "{}: Entry with no header",
 170                                 n + 1
 171                             ))))
 172                         }
 173                         Some(ref mut row) => {
 174                             row.entries
 175                                 .entry(col.to_owned())
 176                                 .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
 177                                 .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
 178                         }
 179                     },
 180                     InputLine::RowHeader(row) => {
 181                         let prev = std::mem::take(&mut self.row);
 182                         self.row = Some(Row {
 183                             label: row.to_owned(),
 184                             entries: HashMap::new(),
 185                         });
 186                         if prev.is_some() {
 187                             return Ok(prev.map(Rowlike::Row)).transpose();
 188                         }
 189                     }
 190                 },
 191             }
 192         }
 193     }
 194 }
 195
 196 fn read_input(input: impl std::io::Read) -> Result<(Vec<Rowlike>, Config), std::io::Error> {
 197     let mut config = Config {
 198         column_threshold: 2,
 199     };
 200     let reader = Reader::new(&mut config, std::io::BufReader::new(input).lines());
 201     reader
 202         .collect::<Result<Vec<_>, _>>()
 203         .map(|rows| (rows, config))
 204 }
 205
 206 fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
 207     let empty = HashMap::new();
 208     let mut counts: Vec<_> = rows
 209         .iter()
 210         .flat_map(|rl| match rl {
 211             Rowlike::Row(r) => r.entries.keys(),
 212             Rowlike::Spacer => empty.keys(),
 213         })
 214         .fold(HashMap::new(), |mut cs, col| {
 215             cs.entry(col.to_owned())
 216                 .and_modify(|n| *n += 1)
 217                 .or_insert(1);
 218             cs
 219         })
 220         .into_iter()
 221         .map(|(col, n)| (n, col))
 222         .collect();
 223     counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
 224     counts
 225 }
 226 fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
 227     column_counts(rows)
 228         .into_iter()
 229         .filter_map(|(n, col)| (n >= config.column_threshold).then_some(col))
 230         .collect()
 231 }
 232
 233 fn render_one_instance(instance: &Option<String>) -> HTML {
 234     match instance {
 235         None => HTML::from("✓"),
 236         Some(instance) => HTML::escape(instance.as_ref()),
 237     }
 238 }
 239
 240 fn render_instances(instances: &[Option<String>]) -> HTML {
 241     let all_empty = instances.iter().all(Option::is_none);
 242     if all_empty && instances.len() == 1 {
 243         HTML::from("")
 244     } else if all_empty {
 245         HTML(format!("{}", instances.len()))
 246     } else {
 247         HTML(
 248             instances
 249                 .iter()
 250                 .map(render_one_instance)
 251                 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
 252                 .collect::<Vec<_>>()
 253                 .join(" "),
 254         )
 255     }
 256 }
 257
 258 fn render_cell(col: &str, row: &mut Row) -> HTML {
 259     let row_label = HTML::escape(row.label.as_ref());
 260     let col_label = HTML::escape(col);
 261     let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
 262     let class = HTML::from(if instances.is_none() { "" } else { "yes" });
 263     let contents = match instances {
 264         None => HTML::from(""),
 265         Some(is) => render_instances(is),
 266     };
 267     row.entries.remove(col);
 268     HTML(format!(
 269         r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
 270     ))
 271 }
 272
 273 fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
 274     let label = HTML::escape(notcol);
 275     let rest = render_instances(instances);
 276     if rest == HTML::from("") {
 277         HTML(format!("{label}"))
 278     } else {
 279         HTML(format!("{label}: {rest}"))
 280     }
 281 }
 282
 283 fn render_all_leftovers(row: &Row) -> HTML {
 284     let mut order: Vec<_> = row.entries.keys().collect();
 285     order.sort_unstable();
 286     HTML(
 287         order
 288             .into_iter()
 289             .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
 290             .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
 291             .collect::<Vec<_>>()
 292             .join(", "),
 293     )
 294 }
 295
 296 fn render_row(columns: &[String], rowlike: &mut Rowlike) -> HTML {
 297     match rowlike {
 298         Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
 299         Rowlike::Row(row) => {
 300             let row_label = HTML::escape(row.label.as_ref());
 301             let cells = columns
 302                 .iter()
 303                 .map(|col| render_cell(col, row))
 304                 .collect::<HTML>();
 305             let leftovers = render_all_leftovers(row);
 306             HTML(format!(
 307                 "<tr><th id=\"{row_label}\">{row_label}</th>{cells}<td class=\"leftover\" onmouseover=\"highlight('{row_label}')\" onmouseout=\"clear_highlight('{row_label}')\">{leftovers}</td></tr>\n"
 308             ))
 309         }
 310     }
 311 }
 312
 313 fn render_column_headers(columns: &[String]) -> HTML {
 314     HTML(
 315         String::from(r#"<tr class="key"><th></th>"#)
 316             + &columns.iter().fold(String::new(), |mut acc, col| {
 317                 let col_header = HTML::escape(col.as_ref());
 318                 write!(
 319                     &mut acc,
 320                     r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
 321                 )
 322                 .unwrap();
 323                 acc
 324             })
 325             + "</tr>\n",
 326     )
 327 }
 328
 329 /// # Errors
 330 ///
 331 /// Will return `Err` if
 332 ///   * there's an i/o error while reading `input`
 333 ///   * the log has invalid syntax:
 334 ///     * an indented line with no preceding non-indented line
 335 pub fn tablify(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
 336     let (rows, config) = read_input(input)?;
 337     let columns = column_order(&config, &rows);
 338     Ok(HTML(format!(
 339         "{HEADER}{}{}{FOOTER}",
 340         render_column_headers(&columns),
 341         rows.into_iter()
 342             .map(|mut r| render_row(&columns, &mut r))
 343             .collect::<HTML>()
 344     )))
 345 }
 346
 347 #[cfg(test)]
 348 mod tests {
 349     use super::*;
 350
 351     #[test]
 352     fn test_parse_line() {
 353         assert_eq!(InputLine::from(""), InputLine::Blank);
 354         assert_eq!(InputLine::from(" "), InputLine::Blank);
 355         assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
 356         assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
 357         assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
 358         assert_eq!(
 359             InputLine::from(" foo:bar"),
 360             InputLine::Entry("foo", Some("bar"))
 361         );
 362         assert_eq!(
 363             InputLine::from(" foo: bar"),
 364             InputLine::Entry("foo", Some("bar"))
 365         );
 366         assert_eq!(
 367             InputLine::from(" foo: bar "),
 368             InputLine::Entry("foo", Some("bar"))
 369         );
 370         assert_eq!(
 371             InputLine::from(" foo:  bar "),
 372             InputLine::Entry("foo", Some("bar"))
 373         );
 374         assert_eq!(
 375             InputLine::from(" foo :  bar "),
 376             InputLine::Entry("foo", Some("bar"))
 377         );
 378     }
 379
 380     fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
 381         read_input(input).map(|(rows, _)| rows)
 382     }
 383     fn read_config(input: impl std::io::Read) -> Result<Config, std::io::Error> {
 384         read_input(input).map(|(_, config)| config)
 385     }
 386     #[test]
 387     fn test_read_rows() {
 388         assert_eq!(
 389             read_rows(&b"foo"[..]).unwrap(),
 390             vec![Rowlike::Row(Row {
 391                 label: "foo".to_owned(),
 392                 entries: HashMap::new(),
 393             })]
 394         );
 395         assert_eq!(
 396             read_rows(&b"bar"[..]).unwrap(),
 397             vec![Rowlike::Row(Row {
 398                 label: "bar".to_owned(),
 399                 entries: HashMap::new(),
 400             })]
 401         );
 402         assert_eq!(
 403             read_rows(&b"foo\nbar\n"[..]).unwrap(),
 404             vec![
 405                 Rowlike::Row(Row {
 406                     label: "foo".to_owned(),
 407                     entries: HashMap::new(),
 408                 }),
 409                 Rowlike::Row(Row {
 410                     label: "bar".to_owned(),
 411                     entries: HashMap::new(),
 412                 })
 413             ]
 414         );
 415         assert_eq!(
 416             read_rows(&b"foo\n bar\n"[..]).unwrap(),
 417             vec![Rowlike::Row(Row {
 418                 label: "foo".to_owned(),
 419                 entries: HashMap::from([("bar".to_owned(), vec![None])]),
 420             })]
 421         );
 422         assert_eq!(
 423             read_rows(&b"foo\n bar\n baz\n"[..]).unwrap(),
 424             vec![Rowlike::Row(Row {
 425                 label: "foo".to_owned(),
 426                 entries: HashMap::from([
 427                     ("bar".to_owned(), vec![None]),
 428                     ("baz".to_owned(), vec![None])
 429                 ]),
 430             })]
 431         );
 432         assert_eq!(
 433             read_rows(&b"foo\n\nbar\n"[..]).unwrap(),
 434             vec![
 435                 Rowlike::Row(Row {
 436                     label: "foo".to_owned(),
 437                     entries: HashMap::new(),
 438                 }),
 439                 Rowlike::Row(Row {
 440                     label: "bar".to_owned(),
 441                     entries: HashMap::new(),
 442                 })
 443             ]
 444         );
 445         assert_eq!(
 446             read_rows(&b"foo\n\n\nbar\n"[..]).unwrap(),
 447             vec![
 448                 Rowlike::Row(Row {
 449                     label: "foo".to_owned(),
 450                     entries: HashMap::new(),
 451                 }),
 452                 Rowlike::Spacer,
 453                 Rowlike::Row(Row {
 454                     label: "bar".to_owned(),
 455                     entries: HashMap::new(),
 456                 })
 457             ]
 458         );
 459         assert_eq!(
 460             read_rows(&b"foo\n \nbar\n"[..]).unwrap(),
 461             vec![
 462                 Rowlike::Row(Row {
 463                     label: "foo".to_owned(),
 464                     entries: HashMap::new(),
 465                 }),
 466                 Rowlike::Row(Row {
 467                     label: "bar".to_owned(),
 468                     entries: HashMap::new(),
 469                 })
 470             ]
 471         );
 472         assert_eq!(
 473             read_rows(&b"foo  \n bar  \n"[..]).unwrap(),
 474             vec![Rowlike::Row(Row {
 475                 label: "foo".to_owned(),
 476                 entries: HashMap::from([("bar".to_owned(), vec![None])]),
 477             })]
 478         );
 479
 480         let bad = read_rows(&b" foo"[..]);
 481         assert!(bad.is_err());
 482         assert!(format!("{bad:?}").contains("1: Entry with no header"));
 483
 484         let bad2 = read_rows(&b"foo\n\n bar"[..]);
 485         assert!(bad2.is_err());
 486         assert!(format!("{bad2:?}").contains("3: Entry with no header"));
 487     }
 488
 489     #[test]
 490     fn test_read_config() {
 491         assert_eq!(
 492             read_config(&b"!col_threshold 10"[..]).unwrap(),
 493             Config {
 494                 column_threshold: 10
 495             }
 496         );
 497
 498         let bad_num = read_config(&b"!col_threshold foo"[..]);
 499         assert!(bad_num.is_err());
 500         assert!(format!("{bad_num:?}").contains("Parse"));
 501     }
 502
 503     #[test]
 504     fn test_column_counts() {
 505         assert_eq!(
 506             column_counts(&read_rows(&b"foo\n bar\n baz\n"[..]).unwrap()),
 507             vec![(1, String::from("bar")), (1, String::from("baz"))]
 508         );
 509         assert_eq!(
 510             column_counts(&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..]).unwrap()),
 511             vec![(2, String::from("baz")), (1, String::from("bar"))]
 512         );
 513         assert_eq!(
 514             column_counts(&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..]).unwrap()),
 515             vec![(2, String::from("baz")), (1, String::from("bar"))]
 516         );
 517         assert_eq!(
 518             column_counts(
 519                 &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..]).unwrap()
 520             ),
 521             vec![(2, String::from("baz")), (1, String::from("bar"))]
 522         );
 523     }
 524
 525     #[test]
 526     fn test_render_cell() {
 527         assert_eq!(
 528             render_cell(
 529                 "foo",
 530                 &mut Row {
 531                     label: "nope".to_owned(),
 532                     entries: HashMap::new(),
 533                 }
 534             ),
 535             HTML::from(
 536                 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
 537             )
 538         );
 539         assert_eq!(
 540             render_cell(
 541                 "foo",
 542                 &mut Row {
 543                     label: "nope".to_owned(),
 544                     entries: HashMap::from([("bar".to_owned(), vec![None])]),
 545                 }
 546             ),
 547             HTML::from(
 548                 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
 549             )
 550         );
 551         assert_eq!(
 552             render_cell(
 553                 "foo",
 554                 &mut Row {
 555                     label: "nope".to_owned(),
 556                     entries: HashMap::from([("foo".to_owned(), vec![None])]),
 557                 }
 558             ),
 559             HTML::from(
 560                 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
 561             )
 562         );
 563         assert_eq!(
 564             render_cell(
 565                 "foo",
 566                 &mut Row {
 567                     label: "nope".to_owned(),
 568                     entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
 569                 }
 570             ),
 571             HTML::from(
 572                 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
 573             )
 574         );
 575         assert_eq!(
 576             render_cell(
 577                 "foo",
 578                 &mut Row {
 579                     label: "nope".to_owned(),
 580                     entries: HashMap::from([(
 581                         "foo".to_owned(),
 582                         vec![Some("5".to_owned()), Some("10".to_owned())]
 583                     )]),
 584                 }
 585             ),
 586             HTML::from(
 587                 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
 588             )
 589         );
 590         assert_eq!(
 591             render_cell(
 592                 "foo",
 593                 &mut Row {
 594                     label: "nope".to_owned(),
 595                     entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
 596                 }
 597             ),
 598             HTML::from(
 599                 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
 600             )
 601         );
 602         assert_eq!(
 603             render_cell(
 604                 "heart",
 605                 &mut Row {
 606                     label: "nope".to_owned(),
 607                     entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
 608                 }
 609             ),
 610             HTML::from(
 611                 r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
 612             )
 613         );
 614         assert_eq!(
 615             render_cell(
 616                 "foo",
 617                 &mut Row {
 618                     label: "bob's".to_owned(),
 619                     entries: HashMap::from([("foo".to_owned(), vec![None])]),
 620                 }
 621             ),
 622             HTML::from(
 623                 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')"></td>"#
 624             )
 625         );
 626         let mut r = Row {
 627             label: "nope".to_owned(),
 628             entries: HashMap::from([
 629                 ("foo".to_owned(), vec![None]),
 630                 ("baz".to_owned(), vec![None]),
 631             ]),
 632         };
 633         assert_eq!(r.entries.len(), 2);
 634         render_cell("foo", &mut r);
 635         assert_eq!(r.entries.len(), 1);
 636         render_cell("bar", &mut r);
 637         assert_eq!(r.entries.len(), 1);
 638         render_cell("baz", &mut r);
 639         assert_eq!(r.entries.len(), 0);
 640     }
 641
 642     #[test]
 643     fn test_render_leftovers() {
 644         assert_eq!(
 645             render_all_leftovers(&Row {
 646                 label: "nope".to_owned(),
 647                 entries: HashMap::from([("foo".to_owned(), vec![None])]),
 648             }),
 649             HTML::from("foo")
 650         );
 651         assert_eq!(
 652             render_all_leftovers(&Row {
 653                 label: "nope".to_owned(),
 654                 entries: HashMap::from([
 655                     ("foo".to_owned(), vec![None]),
 656                     ("bar".to_owned(), vec![None])
 657                 ]),
 658             }),
 659             HTML::from("bar, foo")
 660         );
 661         assert_eq!(
 662             render_all_leftovers(&Row {
 663                 label: "nope".to_owned(),
 664                 entries: HashMap::from([
 665                     ("foo".to_owned(), vec![None]),
 666                     ("bar".to_owned(), vec![None, None])
 667                 ]),
 668             }),
 669             HTML::from("bar: 2, foo")
 670         );
 671     }
 672
 673     #[test]
 674     fn test_render_row() {
 675         assert_eq!(
 676             render_row(
 677                 &["foo".to_owned()],
 678                 &mut Rowlike::Row(Row {
 679                     label: "nope".to_owned(),
 680                     entries: HashMap::from([("bar".to_owned(), vec![None])]),
 681                 })
 682             ),
 683             HTML::from(
 684                 r#"<tr><th id="nope">nope</th><td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')">bar</td></tr>
 685 "#
 686             )
 687         );
 688     }
 689 }