ratatui/tests/widgets_table.rs

418 lines
16 KiB
Rust

use tui::backend::TestBackend;
use tui::buffer::Buffer;
use tui::layout::Constraint;
use tui::widgets::{Block, Borders, Row, Table};
use tui::Terminal;
#[test]
fn widgets_table_column_spacing_can_be_changed() {
let test_case = |column_spacing, expected| {
let backend = TestBackend::new(30, 10);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|mut f| {
let size = f.size();
let table = Table::new(
["Head1", "Head2", "Head3"].iter(),
vec![
Row::Data(["Row11", "Row12", "Row13"].iter()),
Row::Data(["Row21", "Row22", "Row23"].iter()),
Row::Data(["Row31", "Row32", "Row33"].iter()),
Row::Data(["Row41", "Row42", "Row43"].iter()),
]
.into_iter(),
)
.block(Block::default().borders(Borders::ALL))
.widths(&[
Constraint::Length(5),
Constraint::Length(5),
Constraint::Length(5),
])
.column_spacing(column_spacing);
f.render_widget(table, size);
})
.unwrap();
terminal.backend().assert_buffer(&expected);
};
// no space between columns
test_case(
0,
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1Head2Head3 │",
"│ │",
"│Row11Row12Row13 │",
"│Row21Row22Row23 │",
"│Row31Row32Row33 │",
"│Row41Row42Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// one space between columns
test_case(
1,
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head3 │",
"│ │",
"│Row11 Row12 Row13 │",
"│Row21 Row22 Row23 │",
"│Row31 Row32 Row33 │",
"│Row41 Row42 Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// enough space to just not hide the third column
test_case(
6,
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head3 │",
"│ │",
"│Row11 Row12 Row13 │",
"│Row21 Row22 Row23 │",
"│Row31 Row32 Row33 │",
"│Row41 Row42 Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// enough space to hide part of the third column
test_case(
7,
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head│",
"│ │",
"│Row11 Row12 Row1│",
"│Row21 Row22 Row2│",
"│Row31 Row32 Row3│",
"│Row41 Row42 Row4│",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
}
#[test]
fn widgets_table_columns_widths_can_use_fixed_length_constraints() {
let test_case = |widths, expected| {
let backend = TestBackend::new(30, 10);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|mut f| {
let size = f.size();
let table = Table::new(
["Head1", "Head2", "Head3"].iter(),
vec![
Row::Data(["Row11", "Row12", "Row13"].iter()),
Row::Data(["Row21", "Row22", "Row23"].iter()),
Row::Data(["Row31", "Row32", "Row33"].iter()),
Row::Data(["Row41", "Row42", "Row43"].iter()),
]
.into_iter(),
)
.block(Block::default().borders(Borders::ALL))
.widths(widths);
f.render_widget(table, size);
})
.unwrap();
terminal.backend().assert_buffer(&expected);
};
// columns of zero width show nothing
test_case(
&[
Constraint::Length(0),
Constraint::Length(0),
Constraint::Length(0),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of 1 width trim
test_case(
&[
Constraint::Length(1),
Constraint::Length(1),
Constraint::Length(1),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│H H H │",
"│ │",
"│R R R │",
"│R R R │",
"│R R R │",
"│R R R │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of large width just before pushing a column off
test_case(
&[
Constraint::Length(8),
Constraint::Length(8),
Constraint::Length(8),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head3 │",
"│ │",
"│Row11 Row12 Row13 │",
"│Row21 Row22 Row23 │",
"│Row31 Row32 Row33 │",
"│Row41 Row42 Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
}
#[test]
fn widgets_table_columns_widths_can_use_percentage_constraints() {
let test_case = |widths, expected| {
let backend = TestBackend::new(30, 10);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|mut f| {
let size = f.size();
let table = Table::new(
["Head1", "Head2", "Head3"].iter(),
vec![
Row::Data(["Row11", "Row12", "Row13"].iter()),
Row::Data(["Row21", "Row22", "Row23"].iter()),
Row::Data(["Row31", "Row32", "Row33"].iter()),
Row::Data(["Row41", "Row42", "Row43"].iter()),
]
.into_iter(),
)
.block(Block::default().borders(Borders::ALL))
.widths(widths)
.column_spacing(0);
f.render_widget(table, size);
})
.unwrap();
terminal.backend().assert_buffer(&expected);
};
// columns of zero width show nothing
test_case(
&[
Constraint::Percentage(0),
Constraint::Percentage(0),
Constraint::Percentage(0),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of not enough width trims the data
test_case(
&[
Constraint::Percentage(10),
Constraint::Percentage(10),
Constraint::Percentage(10),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│HeaHeaHea │",
"│ │",
"│RowRowRow │",
"│RowRowRow │",
"│RowRowRow │",
"│RowRowRow │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of large width just before pushing a column off
test_case(
&[
Constraint::Percentage(30),
Constraint::Percentage(30),
Constraint::Percentage(30),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head3 │",
"│ │",
"│Row11 Row12 Row13 │",
"│Row21 Row22 Row23 │",
"│Row31 Row32 Row33 │",
"│Row41 Row42 Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// percentages summing to 100 should give equal widths
test_case(
&[Constraint::Percentage(50), Constraint::Percentage(50)],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 │",
"│ │",
"│Row11 Row12 │",
"│Row21 Row22 │",
"│Row31 Row32 │",
"│Row41 Row42 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
}
#[test]
fn widgets_table_columns_widths_can_use_mixed_constraints() {
let test_case = |widths, expected| {
let backend = TestBackend::new(30, 10);
let mut terminal = Terminal::new(backend).unwrap();
terminal
.draw(|mut f| {
let size = f.size();
let table = Table::new(
["Head1", "Head2", "Head3"].iter(),
vec![
Row::Data(["Row11", "Row12", "Row13"].iter()),
Row::Data(["Row21", "Row22", "Row23"].iter()),
Row::Data(["Row31", "Row32", "Row33"].iter()),
Row::Data(["Row41", "Row42", "Row43"].iter()),
]
.into_iter(),
)
.block(Block::default().borders(Borders::ALL))
.widths(widths);
f.render_widget(table, size);
})
.unwrap();
terminal.backend().assert_buffer(&expected);
};
// columns of zero width show nothing
test_case(
&[
Constraint::Percentage(0),
Constraint::Length(0),
Constraint::Percentage(0),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of not enough width trims the data
test_case(
&[
Constraint::Percentage(10),
Constraint::Length(20),
Constraint::Percentage(10),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Hea Head2 Hea│",
"│ │",
"│Row Row12 Row│",
"│Row Row22 Row│",
"│Row Row32 Row│",
"│Row Row42 Row│",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of large width just before pushing a column off
test_case(
&[
Constraint::Percentage(30),
Constraint::Length(10),
Constraint::Percentage(30),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 Head3 │",
"│ │",
"│Row11 Row12 Row13 │",
"│Row21 Row22 Row23 │",
"│Row31 Row32 Row33 │",
"│Row41 Row42 Row43 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
// columns of large size (>100% total) hide the last column
test_case(
&[
Constraint::Percentage(60),
Constraint::Length(10),
Constraint::Percentage(60),
],
Buffer::with_lines(vec![
"┌────────────────────────────┐",
"│Head1 Head2 │",
"│ │",
"│Row11 Row12 │",
"│Row21 Row22 │",
"│Row31 Row32 │",
"│Row41 Row42 │",
"│ │",
"│ │",
"└────────────────────────────┘",
]),
);
}