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|
use lazy_static::lazy_static;
use crate::{
display::DisplayColor,
input::{Event, EventHandler, InputOptions},
process::{Module, ProcessResult, State},
todo_file::TodoFile,
view::{handle_view_data_scroll, LineSegment, RenderContext, ViewData, ViewLine, ViewSender},
};
lazy_static! {
static ref INPUT_OPTIONS: InputOptions = InputOptions::new().movement(true);
}
pub struct Error {
return_state: State,
view_data: ViewData,
}
impl Module for Error {
fn activate(&mut self, _: &TodoFile, previous_state: State) -> ProcessResult {
self.return_state = previous_state;
ProcessResult::new()
}
fn build_view_data(&mut self, _: &RenderContext, _: &TodoFile) -> &ViewData {
&self.view_data
}
fn handle_events(
&mut self,
event_handler: &EventHandler,
view_sender: &ViewSender,
_: &mut TodoFile,
) -> ProcessResult {
let event = event_handler.read_event(&INPUT_OPTIONS, |event, _| event);
let mut result = ProcessResult::from(event);
if handle_view_data_scroll(event, view_sender).is_none() {
if let Event::Key(_) = event {
result = result.state(self.return_state);
}
}
result
}
fn handle_error(&mut self, error: &anyhow::Error) {
self.view_data.update_view_data(|updater| {
updater.clear();
for cause in error.chain() {
let error_text = format!("{:#}", cause);
for err in error_text.split('\n') {
updater.push_line(ViewLine::from(err));
}
}
updater.push_trailing_line(ViewLine::from(LineSegment::new_with_color(
"Press any key to continue",
DisplayColor::IndicatorColor,
)));
});
}
}
impl Error {
pub fn new() -> Self {
Self {
return_state: State::List,
view_data: ViewData::new(|updater| {
updater.set_show_title(true);
updater.set_retain_scroll_position(false);
}),
}
}
}
#[cfg(test)]
mod tests {
use anyhow::anyhow;
use super::*;
use crate::{
assert_process_result,
assert_rendered_output,
input::{Event, MetaEvent},
process::testutil::process_module_test,
};
#[test]
fn simple_error() {
process_module_test(&[], &[], |test_context| {
let mut module = Error::new();
module.handle_error(&anyhow!("Test Error"));
let view_data = test_context.build_view_data(&mut module);
assert_rendered_output!(
view_data,
"{TITLE}",
"{BODY}",
"{Normal}Test Error",
"{TRAILING}",
"{IndicatorColor}Press any key to continue"
);
});
}
#[test]
fn error_with_contest() {
process_module_test(&[], &[], |test_context| {
let mut module = Error::new();
module.handle_error(&anyhow!("Test Error").context("Context"));
let view_data = test_context.build_view_data(&mut module);
assert_rendered_output!(
view_data,
"{TITLE}",
"{BODY}",
"{Normal}Context",
"{Normal}Test Error",
"{TRAILING}",
"{IndicatorColor}Press any key to continue"
);
});
}
#[test]
fn error_with_newlines() {
process_module_test(&[], &[], |test_context| {
let mut module = Error::new();
module.handle_error(&anyhow!("Test\nError").context("With\nContext"));
let view_data = test_context.build_view_data(&mut module);
assert_rendered_output!(
view_data,
"{TITLE}",
"{BODY}",
"{Normal}With",
"{Normal}Context",
"{Normal}Test",
"{Normal}Error",
"{TRAILING}",
"{IndicatorColor}Press any key to continue"
);
});
}
#[test]
fn return_state() {
process_module_test(&[], &[Event::from('a')], |mut test_context| {
let mut module = Error::new();
test_context.activate(&mut module, State::ConfirmRebase);
module.handle_error(&anyhow!("Test Error"));
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from('a'),
state = State::ConfirmRebase
);
});
}
#[test]
fn resize() {
process_module_test(&[], &[Event::Resize(100, 100)], |mut test_context| {
let mut module = Error::new();
test_context.activate(&mut module, State::ConfirmRebase);
module.handle_error(&anyhow!("Test Error"));
assert_process_result!(test_context.handle_event(&mut module), event = Event::Resize(100, 100));
});
}
#[test]
fn scroll_events() {
process_module_test(
&[],
&[
Event::from(MetaEvent::ScrollLeft),
Event::from(MetaEvent::ScrollRight),
Event::from(MetaEvent::ScrollDown),
Event::from(MetaEvent::ScrollUp),
Event::from(MetaEvent::ScrollJumpDown),
Event::from(MetaEvent::ScrollJumpUp),
],
|mut test_context| {
let mut module = Error::new();
test_context.activate(&mut module, State::ConfirmRebase);
module.handle_error(&anyhow!("Test Error"));
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollLeft)
);
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollRight)
);
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollDown)
);
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollUp)
);
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollJumpDown)
);
assert_process_result!(
test_context.handle_event(&mut module),
event = Event::from(MetaEvent::ScrollJumpUp)
);
},
);
}
}
|
