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|
use crate::constants::{MINIMUM_COMPACT_WINDOW_WIDTH, MINIMUM_WINDOW_HEIGHT, MINIMUM_WINDOW_HEIGHT_ERROR_WIDTH};
use crate::input::input_handler::InputMode;
use crate::input::Input;
use crate::process::process_module::ProcessModule;
use crate::process::process_result::ProcessResult;
use crate::process::state::State;
use crate::todo_file::TodoFile;
use crate::view::view_data::ViewData;
use crate::view::view_line::ViewLine;
use crate::view::View;
const HEIGHT_ERROR_MESSAGE: &str = "Window too small, increase height to continue";
const SHORT_ERROR_MESSAGE: &str = "Window too small";
const SIZE_ERROR_MESSAGE: &str = "Size!";
const BUG_WINDOW_SIZE_MESSAGE: &str = "Bug: window size is invalid!";
pub struct WindowSizeError {
return_state: State,
view_data: ViewData,
}
impl ProcessModule for WindowSizeError {
fn activate(&mut self, _: &TodoFile, previous_state: State) -> ProcessResult {
self.return_state = previous_state;
ProcessResult::new()
}
fn build_view_data(&mut self, view: &View<'_>, _: &TodoFile) -> &ViewData {
let view_width = view.get_view_size().width();
let view_height = view.get_view_size().height();
let message = if view_width <= MINIMUM_COMPACT_WINDOW_WIDTH {
if view_width >= SHORT_ERROR_MESSAGE.len() {
SHORT_ERROR_MESSAGE
}
else {
// not much to do if the window gets too narrow
SIZE_ERROR_MESSAGE
}
}
else if view_height <= MINIMUM_WINDOW_HEIGHT {
if view_width >= MINIMUM_WINDOW_HEIGHT_ERROR_WIDTH {
HEIGHT_ERROR_MESSAGE
}
else {
// this message will always be safe here
SHORT_ERROR_MESSAGE
}
}
else {
BUG_WINDOW_SIZE_MESSAGE
};
self.view_data.clear();
self.view_data.push_line(ViewLine::from(message));
self.view_data.set_view_size(view_width, view_height);
self.view_data.rebuild();
&self.view_data
}
fn handle_input(&mut self, view: &mut View<'_>, _: &mut TodoFile) -> ProcessResult {
let input = view.get_input(InputMode::Default);
let mut result = ProcessResult::new().input(input);
if input == Input::Resize {
let view_width = view.get_view_size().width();
let view_height = view.get_view_size().height();
if !Self::is_window_too_small(view_width, view_height) {
result = result.state(self.return_state);
}
}
result
}
}
impl WindowSizeError {
pub const fn new() -> Self {
Self {
return_state: State::List,
view_data: ViewData::new(),
}
}
pub const fn is_window_too_small(window_width: usize, window_height: usize) -> bool {
window_width <= MINIMUM_COMPACT_WINDOW_WIDTH || window_height <= MINIMUM_WINDOW_HEIGHT
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::assert_process_result;
use crate::assert_rendered_output;
use crate::display::size::Size;
use crate::process::testutil::{process_module_test, TestContext, ViewState};
use rstest::rstest;
#[test]
fn is_window_too_small_width_too_small() {
assert!(WindowSizeError::is_window_too_small(
MINIMUM_COMPACT_WINDOW_WIDTH,
MINIMUM_WINDOW_HEIGHT + 1
));
}
#[test]
fn is_window_too_small_height_too_small() {
assert!(WindowSizeError::is_window_too_small(
MINIMUM_COMPACT_WINDOW_WIDTH + 1,
MINIMUM_WINDOW_HEIGHT
));
}
#[test]
fn is_window_too_small_height_and_width_too_small() {
assert!(WindowSizeError::is_window_too_small(
MINIMUM_COMPACT_WINDOW_WIDTH,
MINIMUM_WINDOW_HEIGHT
));
}
#[test]
fn is_window_too_small_width_and_height_large() {
assert!(!WindowSizeError::is_window_too_small(
MINIMUM_COMPACT_WINDOW_WIDTH + 1,
MINIMUM_WINDOW_HEIGHT + 1
));
}
#[rstest(
width, height, expected,
case::not_too_small(100, 100, "Bug: window size is invalid!"),
case::width_too_small_long_message(SHORT_ERROR_MESSAGE.len(), MINIMUM_WINDOW_HEIGHT + 1, "Window too small"),
case::width_too_small_short_message(SHORT_ERROR_MESSAGE.len() - 1, MINIMUM_WINDOW_HEIGHT + 1, "Size!"),
case::height_too_small_long_message(
MINIMUM_WINDOW_HEIGHT_ERROR_WIDTH, MINIMUM_WINDOW_HEIGHT, "Window too small, increase height to continue"
),
case::height_too_small_short_message(
MINIMUM_WINDOW_HEIGHT_ERROR_WIDTH - 1, MINIMUM_WINDOW_HEIGHT, "Window too small"
)
)]
#[allow(clippy::cast_possible_wrap)]
#[serial_test::serial]
fn build_view_data(width: usize, height: usize, expected: &str) {
process_module_test(
&[],
ViewState {
size: Size::new(width, height),
..ViewState::default()
},
&[],
|test_context: TestContext<'_>| {
let mut module = WindowSizeError::new();
let view_data = test_context.build_view_data(&mut module);
assert_rendered_output!(view_data, "{BODY}", format!("{{Normal}}{}", expected));
},
);
}
#[test]
#[serial_test::serial]
fn input_resize_window_still_small() {
process_module_test(
&[],
ViewState {
size: Size::new(1, 1),
..ViewState::default()
},
&[Input::Resize],
|mut test_context: TestContext<'_>| {
let mut module = WindowSizeError::new();
test_context.activate(&mut module, State::ConfirmRebase);
assert_process_result!(test_context.handle_input(&mut module), input = Input::Resize);
},
);
}
#[test]
#[serial_test::serial]
fn input_resize_window_no_longer_too_small() {
process_module_test(
&[],
ViewState {
size: Size::new(100, 100),
..ViewState::default()
},
&[Input::Resize],
|mut test_context: TestContext<'_>| {
let mut module = WindowSizeError::new();
test_context.activate(&mut module, State::ConfirmRebase);
assert_process_result!(
test_context.handle_input(&mut module),
input = Input::Resize,
state = State::ConfirmRebase
);
},
);
}
#[test]
#[serial_test::serial]
fn input_other_character() {
process_module_test(
&[],
ViewState { ..ViewState::default() },
&[Input::Character('a')],
|mut test_context: TestContext<'_>| {
let mut module = WindowSizeError::new();
test_context.activate(&mut module, State::ConfirmRebase);
assert_process_result!(test_context.handle_input(&mut module), input = Input::Character('a'));
},
);
}
}
|
