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