nushell/crates/nu-table/tests/style.rs
Leon 774769a7ad
color_config now accepts closures as color values (#7141)
# Description

Closes #6909. You can now add closures to your `color_config` themes.
Whenever a value would be printed with `table`, the closure is run with
the value piped-in. The closure must return either a {fg,bg,attr} record
or a color name (`'light_red'` etc.). This returned style is used to
colour the value.

This is entirely backwards-compatible with existing config.nu files.

Example code excerpt:
```
let my_theme = {
    header: green_bold
    bool: { if $in { 'light_cyan' } else { 'light_red' } }
    int: purple_bold
    filesize: { |e| if $e == 0b { 'gray' } else if $e < 1mb { 'purple_bold' } else { 'cyan_bold' } }
    duration: purple_bold
    date: { (date now) - $in | if $in > 1wk { 'cyan_bold' } else if $in > 1day { 'green_bold' } else { 'yellow_bold' } }
    range: yellow_bold
    string: { if $in =~ '^#\w{6}$' { $in } else { 'white' } }
    nothing: white
```
Example output with this in effect:
![2022-11-16 12 47 23 AM - style_computer
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952558-482de05d-69c7-4bf2-91fc-d0964bf71264.png)
![2022-11-16 12 39 41 AM - style_computer
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952580-2384bb86-b680-40fe-8192-71bae396c738.png)
![2022-11-15 09 21 54 PM - run_external
rs_-_nushell_-_VSCodium](https://user-images.githubusercontent.com/83939/201952601-343fc15d-e4a8-4a92-ad89-9a7d17d42748.png)

Slightly important notes:

* Some color_config names, namely "separator", "empty" and "hints", pipe
in `null` instead of a value.
* Currently, doing anything non-trivial inside a closure has an
understandably big perf hit. I currently do not actually recommend
something like `string: { if $in =~ '^#\w{6}$' { $in } else { 'white' }
}` for serious work, mainly because of the abundance of string-type data
in the world. Nevertheless, lesser-used types like "date" and "duration"
work well with this.
* I had to do some reorganisation in order to make it possible to call
`eval_block()` that late in table rendering. I invented a new struct
called "StyleComputer" which holds the engine_state and stack of the
initial `table` command (implicit or explicit).
* StyleComputer has a `compute()` method which takes a color_config name
and a nu value, and always returns the correct Style, so you don't have
to worry about A) the color_config value was set at all, B) whether it
was set to a closure or not, or C) which default style to use in those
cases.
* Currently, errors encountered during execution of the closures are
thrown in the garbage. Any other ideas are welcome. (Nonetheless, errors
result in a huge perf hit when they are encountered. I think what should
be done is to assume something terrible happened to the user's config
and invalidate the StyleComputer for that `table` run, thus causing
subsequent output to just be Style::default().)
* More thorough tests are forthcoming - ran into some difficulty using
`nu!` to take an alternative config, and for some reason `let-env config
=` statements don't seem to work inside `nu!` pipelines(???)
* The default config.nu has not been updated to make use of this yet. Do
tell if you think I should incorporate that into this.

# User-Facing Changes

See above.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace --features=extra -- -D warnings -D
clippy::unwrap_used -A clippy::needless_collect` to check that you're
using the standard code style
- `cargo test --workspace --features=extra` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2022-12-17 07:07:56 -06:00

497 lines
15 KiB
Rust

mod common;
use common::{create_row as row, VecCells};
use nu_table::{TableConfig, TableTheme as theme};
#[test]
fn test_rounded() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::rounded()),
"╭───┬───┬───┬───╮\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
╰───┴───┴───┴───╯"
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::rounded()),
"╭───┬───┬───┬───╮\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
╰───┴───┴───┴───╯"
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::rounded()),
"╭───┬───┬───┬───╮\n\
│ 0 │ 1 │ 2 │ 3 │\n\
╰───┴───┴───┴───╯"
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::rounded()),
"╭───┬───┬───┬───╮\n\
│ 0 │ 1 │ 2 │ 3 │\n\
╰───┴───┴───┴───╯"
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::rounded()),
"╭───┬───┬───┬───╮\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
╰───┴───┴───┴───╯"
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::rounded()),
""
);
}
#[test]
fn test_basic() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::basic()),
"+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+"
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::basic()),
"+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+"
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::basic()),
"+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+"
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::basic()),
"+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+"
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::basic()),
"+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+\n\
| 0 | 1 | 2 | 3 |\n\
+---+---+---+---+"
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::basic()),
""
);
}
#[test]
fn test_reinforced() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::reinforced()),
"┏───┬───┬───┬───┓\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
┗───┴───┴───┴───┛"
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::reinforced()),
"┏───┬───┬───┬───┓\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
┗───┴───┴───┴───┛"
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::reinforced()),
"┏───┬───┬───┬───┓\n\
│ 0 │ 1 │ 2 │ 3 │\n\
┗───┴───┴───┴───┛"
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::reinforced()),
"┏───┬───┬───┬───┓\n\
│ 0 │ 1 │ 2 │ 3 │\n\
┗───┴───┴───┴───┛"
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::reinforced()),
"┏───┬───┬───┬───┓\n\
│ 0 │ 1 │ 2 │ 3 │\n\
│ 0 │ 1 │ 2 │ 3 │\n\
┗───┴───┴───┴───┛"
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::reinforced()),
""
);
}
#[test]
fn test_compact() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::compact()),
concat!(
"───┬───┬───┬───\n",
" 0 │ 1 │ 2 │ 3 \n",
"───┼───┼───┼───\n",
" 0 │ 1 │ 2 │ 3 \n",
" 0 │ 1 │ 2 │ 3 \n",
"───┴───┴───┴───",
)
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::compact()),
concat!(
"───┬───┬───┬───\n",
" 0 │ 1 │ 2 │ 3 \n",
"───┼───┼───┼───\n",
" 0 │ 1 │ 2 │ 3 \n",
"───┴───┴───┴───",
)
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::compact()),
concat!("───┬───┬───┬───\n", " 0 │ 1 │ 2 │ 3 \n", "───┴───┴───┴───",)
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::compact()),
concat!("───┬───┬───┬───\n", " 0 │ 1 │ 2 │ 3 \n", "───┴───┴───┴───",)
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::compact()),
concat!(
"───┬───┬───┬───\n",
" 0 │ 1 │ 2 │ 3 \n",
" 0 │ 1 │ 2 │ 3 \n",
"───┴───┴───┴───",
)
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::compact()),
""
);
}
#[test]
fn test_compact_double() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::compact_double()),
concat!(
"═══╦═══╦═══╦═══\n",
" 0 ║ 1 ║ 2 ║ 3 \n",
"═══╬═══╬═══╬═══\n",
" 0 ║ 1 ║ 2 ║ 3 \n",
" 0 ║ 1 ║ 2 ║ 3 \n",
"═══╩═══╩═══╩═══",
)
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::compact_double()),
concat!(
"═══╦═══╦═══╦═══\n",
" 0 ║ 1 ║ 2 ║ 3 \n",
"═══╬═══╬═══╬═══\n",
" 0 ║ 1 ║ 2 ║ 3 \n",
"═══╩═══╩═══╩═══",
)
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::compact_double()),
concat!("═══╦═══╦═══╦═══\n", " 0 ║ 1 ║ 2 ║ 3 \n", "═══╩═══╩═══╩═══",)
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::compact_double()),
concat!("═══╦═══╦═══╦═══\n", " 0 ║ 1 ║ 2 ║ 3 \n", "═══╩═══╩═══╩═══",)
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::compact_double()),
concat!(
"═══╦═══╦═══╦═══\n",
" 0 ║ 1 ║ 2 ║ 3 \n",
" 0 ║ 1 ║ 2 ║ 3 \n",
"═══╩═══╩═══╩═══",
)
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::compact_double()),
""
);
}
#[test]
fn test_heavy() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::heavy()),
"┏━━━┳━━━┳━━━┳━━━┓\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┣━━━╋━━━╋━━━╋━━━┫\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┗━━━┻━━━┻━━━┻━━━┛"
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::heavy()),
"┏━━━┳━━━┳━━━┳━━━┓\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┣━━━╋━━━╋━━━╋━━━┫\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┗━━━┻━━━┻━━━┻━━━┛"
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::heavy()),
"┏━━━┳━━━┳━━━┳━━━┓\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┗━━━┻━━━┻━━━┻━━━┛"
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::heavy()),
"┏━━━┳━━━┳━━━┳━━━┓\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┗━━━┻━━━┻━━━┻━━━┛"
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::heavy()),
"┏━━━┳━━━┳━━━┳━━━┓\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┃ 0 ┃ 1 ┃ 2 ┃ 3 ┃\n\
┗━━━┻━━━┻━━━┻━━━┛"
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::heavy()),
""
);
}
#[test]
fn test_light() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::light()),
concat!(
" 0 1 2 3 \n",
"───────────────\n",
" 0 1 2 3 \n",
" 0 1 2 3 ",
)
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::light()),
concat!(" 0 1 2 3 \n", "───────────────\n", " 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::light()),
concat!(" 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::light()),
concat!(" 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::light()),
concat!(" 0 1 2 3 \n", " 0 1 2 3 ")
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::light()),
""
);
}
#[test]
fn test_none() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::none()),
concat!(" 0 1 2 3 \n", " 0 1 2 3 \n", " 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::none()),
concat!(" 0 1 2 3 \n", " 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::none()),
concat!(" 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::none()),
concat!(" 0 1 2 3 ")
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::none()),
concat!(" 0 1 2 3 \n", " 0 1 2 3 ")
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::none()),
""
);
}
#[test]
fn test_thin() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::thin()),
"┌───┬───┬───┬───┐\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
└───┴───┴───┴───┘"
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::thin()),
"┌───┬───┬───┬───┐\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
└───┴───┴───┴───┘"
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::thin()),
"┌───┬───┬───┬───┐\n\
│ 0 │ 1 │ 2 │ 3 │\n\
└───┴───┴───┴───┘"
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::thin()),
"┌───┬───┬───┬───┐\n\
│ 0 │ 1 │ 2 │ 3 │\n\
└───┴───┴───┴───┘"
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::thin()),
"┌───┬───┬───┬───┐\n\
│ 0 │ 1 │ 2 │ 3 │\n\
├───┼───┼───┼───┤\n\
│ 0 │ 1 │ 2 │ 3 │\n\
└───┴───┴───┴───┘"
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::thin()),
""
);
}
#[test]
fn test_with_love() {
assert_eq!(
create_table(vec![row(4); 3], true, theme::with_love()),
concat!(
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤",
)
);
assert_eq!(
create_table(vec![row(4); 2], true, theme::with_love()),
concat!(
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤",
)
);
assert_eq!(
create_table(vec![row(4); 1], true, theme::with_love()),
concat!("❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n", " 0 ❤ 1 ❤ 2 ❤ 3 \n", "❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤",)
);
assert_eq!(
create_table(vec![row(4); 1], false, theme::with_love()),
concat!("❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n", " 0 ❤ 1 ❤ 2 ❤ 3 \n", "❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤",)
);
assert_eq!(
create_table(vec![row(4); 2], false, theme::with_love()),
concat!(
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤\n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
" 0 ❤ 1 ❤ 2 ❤ 3 \n",
"❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤",
)
);
assert_eq!(
create_table_with_size(vec![row(4); 0], (0, 4), true, theme::with_love()),
""
);
}
fn create_table(data: VecCells, with_header: bool, theme: theme) -> String {
let config = TableConfig::new(theme, with_header, false, false);
let out = common::create_table(data, config, usize::MAX);
out.expect("not expected to get None")
}
fn create_table_with_size(
data: VecCells,
size: (usize, usize),
with_header: bool,
theme: theme,
) -> String {
let config = TableConfig::new(theme, with_header, false, false);
let table = nu_table::Table::new(data, size);
table
.draw(config, usize::MAX)
.expect("not expected to get None")
}