Files

531 lines
17 KiB
Rust

use crossterm::event::{
Event, KeyCode as K, KeyEvent, KeyModifiers as M, MouseButton, MouseEvent, MouseEventKind,
};
use ratatui::{backend::TestBackend, layout::Rect, Terminal};
use std::{
fs,
path::PathBuf,
sync::atomic::{AtomicUsize, Ordering},
};
use tb_ide::{
app::{App, Mode, WindowKind},
commands::Command,
help::{layout, normalize, token_at, Catalog, Help, Page},
};
struct Temp(PathBuf);
impl Temp {
fn new() -> Self {
static N: AtomicUsize = AtomicUsize::new(0);
let p = std::env::temp_dir().join(format!(
"tb-help-{}-{}",
std::process::id(),
N.fetch_add(1, Ordering::Relaxed)
));
fs::create_dir_all(&p).unwrap();
Self(p.canonicalize().unwrap())
}
fn app(&self) -> App {
App::new(&self.0, self.0.join("options"), (100, 30)).unwrap()
}
}
impl Drop for Temp {
fn drop(&mut self) {
let _ = fs::remove_dir_all(&self.0);
}
}
fn key(a: &mut App, k: K, m: M) {
a.handle(Event::Key(KeyEvent::new(k, m)));
}
fn draw(a: &mut App) -> String {
let mut t = Terminal::new(TestBackend::new(a.size.0, a.size.1)).unwrap();
t.draw(|f| a.render(f)).unwrap();
t.backend()
.buffer()
.content
.chunks(a.size.0 as usize)
.map(|r| r.iter().map(|c| c.symbol()).collect::<String>())
.collect::<Vec<_>>()
.join("\n")
}
fn menu(a: &mut App, c: Command) {
let (m, i) = a
.menus()
.iter()
.enumerate()
.find_map(|(m, menu)| {
menu.items
.iter()
.position(|i| i.command == Some(c))
.map(|i| (m, i))
})
.unwrap();
a.menu = Some((m, i));
key(a, K::Enter, M::NONE);
assert_eq!(a.last_command, Some(c));
}
#[test]
fn catalog_links_and_missing_targets_are_checked() {
let c = Catalog::embedded();
c.validate().unwrap();
for p in &c.pages {
for h in &p.headings {
let (_, b) = c.resolve("", &format!("{}#{}", p.path, h.anchor)).unwrap();
assert_eq!(b, h.block);
}
}
let duplicates = Catalog::new(&[("a.md", "# Titel\n\n## Titel\n\n## Titel-1\n\n## Titel\n")]);
for h in &duplicates.pages[0].headings {
assert_eq!(
duplicates
.resolve("", &format!("a.md#{}", h.anchor))
.unwrap()
.1,
h.block
);
}
let bad = Catalog::new(&[("docs/a.md", "# A\n\n[broken](missing.md)")]);
assert!(bad.validate().unwrap_err().to_string().contains("fehlt"));
let bad = Catalog::new(&[("docs/a.md", "# A\n\n[broken](#missing)")]);
assert!(bad.validate().is_err());
for target in [
"../../secret",
"%2e%2e/%2e%2e/secret",
"/etc/passwd",
"file:///etc/passwd",
"../missing.md",
"hilfe.md#missing",
"hilfe.md#%GG",
"C:%5csecret",
] {
assert!(c.resolve("docs/hilfe.md", target).is_err(), "{target}");
}
assert!(c.resolve("docs/hilfe.md", "../PLAN.md").is_ok());
let t = Temp::new();
let mut a = t.app();
a.execute(Command::UsingHelp);
let before = a.help.position.clone();
assert!(a
.help
.open("https://example.org/private")
.unwrap_err()
.to_string()
.contains("Extern"));
assert_eq!(a.help.position, before);
}
#[test]
fn markdown_blocks_escapes_links_and_unicode_layout() {
let p=Page::parse("sample","# Überschrift\n\nAbsatz mit **fett**, *kursiv*, \\*Escape\\* und [Link](#überschrift).\n\n1. Eins\n2. Zwei\n\n```basic\nPRINT \"界ä\"\n012345678901234567890123456789\n```\n\n| Spalte | Breit |\n|---|---|\n| Wert | 界界界界 |\n");
let text = p
.blocks
.iter()
.map(|b| b.text())
.collect::<Vec<_>>()
.join("\n");
assert!(text.contains("*Escape*"));
assert!(text.contains("◄Link►"));
assert!(text.contains("1. Eins"));
assert!(text.contains("2. Zwei"));
assert!(p.blocks.iter().any(|b| b.pre && b.text().contains("PRINT")));
assert!(p.blocks.iter().any(|b| b.pre && b.text().contains("界界")));
assert_eq!(p.headings[0].anchor, "überschrift");
for width in [1, 7, 20, 80] {
let rows = layout(&p, width);
for (i, b) in p.blocks.iter().enumerate() {
let reconstructed: String = rows
.iter()
.filter(|r| r.block == i)
.flat_map(|r| b.glyphs[r.start..r.end].iter().map(|g| g.ch))
.collect();
assert_eq!(reconstructed, b.text());
}
}
}
#[test]
fn offline_help_child() {
if std::env::var_os("TB_HELP_OFFLINE_CHILD").is_none() {
return;
}
let base = std::env::current_dir().unwrap();
assert!(!base.join("docs").exists());
let mut a = App::new(&base, base.join("options"), (100, 30)).unwrap();
for command in [
Command::HelpIndex,
Command::HelpContents,
Command::Keyboard,
Command::UsingHelp,
Command::Tutorial,
] {
a.execute(command);
assert_eq!(a.active_window().unwrap().kind, WindowKind::Help);
assert!(!draw(&mut a).is_empty());
}
for path in [
"docs/sprachreferenz.md",
"docs/bibliothek.md",
"docs/forms-referenz.md",
"docs/ide-bedienung.md",
"docs/tutorial.md",
] {
let (p, b) = Catalog::embedded().resolve("", path).unwrap();
a.help.visit(p, b, None);
assert!(a.help.page().blocks.len() > 10);
assert!(draw(&mut a).contains(&a.help.page().title));
}
}
#[test]
fn help_works_from_a_directory_without_checkout() {
let t = Temp::new();
let status = std::process::Command::new(std::env::current_exe().unwrap())
.current_dir(&t.0)
.env("TB_HELP_OFFLINE_CHILD", "1")
.args(["--exact", "offline_help_child", "--nocapture"])
.status()
.unwrap();
assert!(status.success());
}
#[test]
fn context_functions_properties_commands_and_unknown_queries() {
assert_eq!(normalize("lEfT$"), "LEFT");
assert_eq!(token_at("PRINT LEFT$(x$, 2)", 8), "LEFT$");
let t = Temp::new();
let mut a = t.app();
let id = a.active_document().unwrap();
a.project
.replace_text(id, 0..0, "PRINT lEfT$(\"abc\", 2)")
.unwrap();
let view = match a.active_window().unwrap().kind {
WindowKind::Code(v) => v,
_ => panic!(),
};
a.project.view_mut(view).unwrap().cursor = 9;
key(&mut a, K::F(1), M::NONE);
assert_eq!(a.help.page().path, "docs/bibliothek.md");
assert!(a.help.page().blocks[a.help.position.block]
.text()
.contains("Strings"));
key(&mut a, K::Esc, M::NONE);
a.execute(Command::NewForm);
assert_eq!(a.mode, Mode::Designer);
let specs = tb_frontend::forms::properties(tb_frontend::forms::ObjectClass::Form);
a.designer.property = specs.iter().position(|p| p.name == "CAPTION").unwrap();
a.properties = true;
let previous = a.active;
key(&mut a, K::F(2), M::NONE);
key(&mut a, K::F(1), M::NONE);
assert_eq!(a.help.page().path, "docs/forms-referenz.md");
assert!(a.help.page().blocks[a.help.position.block]
.text()
.contains("Caption"));
assert!(draw(&mut a).contains("Caption"));
key(&mut a, K::Esc, M::NONE);
assert_eq!(a.active, previous);
assert!(a.properties && a.value_focus);
a.value_focus = false;
a.properties = false;
let (m, i) = a
.menus()
.iter()
.enumerate()
.find_map(|(m, menu)| {
menu.items
.iter()
.position(|i| i.command == Some(Command::SaveProject))
.map(|i| (m, i))
})
.unwrap();
a.menu = Some((m, i));
key(&mut a, K::F(1), M::NONE);
assert!(a.help.page().blocks[a.help.position.block]
.text()
.contains("Speichern"));
a.help_context("unbekanntxyz", None);
assert!(draw(&mut a).contains("unbekanntxyz"));
assert!(draw(&mut a).contains("Kein passendes Thema"));
a.help_context("PRINT", None);
assert!(a.help.position.query.is_some());
assert!(a.help.page().links.len() > 2);
}
#[test]
fn links_history_resize_scroll_and_focus_use_real_events() {
let t = Temp::new();
let mut a = t.app();
let previous = a.active;
menu(&mut a, Command::HelpContents);
let help_id = a.active;
key(&mut a, K::Tab, M::NONE);
let first = a.help.position.link;
key(&mut a, K::Tab, M::NONE);
assert_ne!(a.help.position.link, first);
key(&mut a, K::BackTab, M::SHIFT);
assert_eq!(a.help.position.link, first);
key(&mut a, K::Down, M::NONE);
let before = a.help.position.clone();
key(&mut a, K::Enter, M::NONE);
assert_ne!(a.help.position.page, before.page);
key(&mut a, K::F(1), M::ALT);
assert_eq!(a.help.position, before);
let w = a.windows.iter_mut().find(|w| w.id == help_id).unwrap();
w.normal = Rect::new(2, 2, 28, 18);
let small = draw(&mut a);
assert!(small.contains("Contents"));
let pos = a.help.position.clone();
a.handle(Event::Resize(120, 40));
a.windows
.iter_mut()
.find(|w| w.id == help_id)
.unwrap()
.normal
.width = 85;
draw(&mut a);
assert_eq!(a.help.position, pos);
let (p, b) = Catalog::embedded().resolve("", "docs/tutorial.md").unwrap();
a.help.visit(p, b, None);
key(&mut a, K::PageDown, M::NONE);
assert!(a.help.position.block > 0);
key(&mut a, K::Home, M::NONE);
assert_eq!(a.help.position.block, 0);
key(&mut a, K::Esc, M::NONE);
assert_eq!(a.active, previous);
assert!(!a.windows.iter().any(|w| w.kind == WindowKind::Help));
}
#[test]
fn twenty_back_steps_end_of_contents_and_all_entries() {
let mut h = Help::default();
let mut states = vec![];
for i in 0..25 {
states.push(h.position.clone());
h.visit(i % 12, i, None);
}
assert_eq!(h.history.len(), 20);
for expected in states.into_iter().rev().take(20) {
h.back();
assert_eq!(h.position, expected);
}
let p = h.position.clone();
h.back();
assert_eq!(h.position, p);
assert!(h.notice.contains("20"));
let (last, _) = Catalog::embedded().resolve("", "PLAN.md").unwrap();
h.visit(last, 0, None);
let p = h.position.clone();
h.next();
assert_eq!(h.position, p);
assert!(h.notice.contains("Ende"));
let t = Temp::new();
let mut a = t.app();
for (c, path) in [
(Command::HelpIndex, "index"),
(Command::HelpContents, "contents"),
(Command::Keyboard, "docs/tastatur.md"),
(Command::UsingHelp, "docs/hilfe.md"),
(Command::Tutorial, "docs/tutorial.md"),
] {
menu(&mut a, c);
assert_eq!(a.help.page().path, path);
assert!(draw(&mut a).contains(&a.help.page().title));
}
key(&mut a, K::F(1), M::SHIFT);
assert_eq!(a.help.page().path, "docs/hilfe.md");
key(&mut a, K::F(1), M::CONTROL);
assert_eq!(a.help.page().path, "docs/tutorial.md");
menu(&mut a, Command::About);
let title = &a.dialog.as_ref().unwrap().title;
assert!(title.contains(env!("CARGO_PKG_VERSION")));
assert!(title.contains(env!("CARGO_PKG_AUTHORS")));
assert!(title.contains("Copyright"));
}
#[test]
fn right_click_configuration_and_external_link_follow() {
let t = Temp::new();
let mut a = t.app();
let event = Event::Mouse(MouseEvent {
kind: MouseEventKind::Down(MouseButton::Right),
column: 2,
row: 3,
modifiers: M::NONE,
});
a.options.right_help = false;
a.handle(event.clone());
assert_ne!(a.active_window().unwrap().kind, WindowKind::Help);
a.options.right_help = true;
a.handle(event);
assert_eq!(a.active_window().unwrap().kind, WindowKind::Help);
let (p, b) = Catalog::embedded()
.resolve("", "docs/dateiformate.md")
.unwrap();
a.help.visit(p, b, None);
let link = a
.help
.page()
.links
.iter()
.position(|l| l.target.starts_with("https:"))
.unwrap();
for _ in 0..=link {
key(&mut a, K::Tab, M::NONE);
}
assert!(draw(&mut a).contains("extern"));
let before = a.help.position.clone();
key(&mut a, K::Enter, M::NONE);
assert_eq!(a.help.position, before);
assert!(a.help.notice.contains("nicht automatisch"));
assert!(!a.session.file_shell);
assert!(a.session.host.shell_request.is_none());
}
#[test]
fn every_command_and_forms_alias_resolves_and_invalid_alias_fails() {
use tb_frontend::forms::ObjectClass;
let c = Catalog::embedded();
for designer in [false, true] {
for menu in tb_ide::commands::menus(designer) {
for command in menu.items.iter().filter_map(|i| i.command) {
c.resolve("", tb_ide::help::command_target(command, designer))
.unwrap();
}
}
}
let t = Temp::new();
let mut a = t.app();
for class in ObjectClass::ALL {
for property in tb_frontend::forms::properties(class) {
a.help_context(property.name, Some(class.name()));
assert!(
a.help.position.query.is_none(),
"{}.{}",
class.name(),
property.name
);
assert_eq!(a.help.page().path, "docs/forms-referenz.md");
let page = a.help.page();
let heading = page
.headings
.iter()
.rev()
.find(|h| h.block <= a.help.position.block)
.unwrap();
assert!(heading.title.to_uppercase().contains(class.name()));
}
}
// The same resolver validates command aliases; a stale anchor is a hard failure.
assert!(c
.resolve(
"",
"docs/ide-bedienung.md#absichtlich-fehlender-befehlsanker"
)
.is_err());
}
#[test]
fn code_and_tables_remain_reachable_after_resize_and_horizontal_scroll() {
let t = Temp::new();
let mut a = t.app();
a.execute(Command::HelpContents);
a.windows
.iter_mut()
.find(|w| w.id == a.active)
.unwrap()
.normal = Rect::new(2, 2, 22, 18);
let (p, _) = Catalog::embedded().resolve("", "docs/tutorial.md").unwrap();
let code = Catalog::embedded().pages[p]
.blocks
.iter()
.position(|b| b.pre && b.text().contains("Hallo aus"))
.unwrap();
a.help.visit(p, code, None);
let before = a.help.position.clone();
let small = draw(&mut a);
assert!(small.contains("PRINT"));
for _ in 0..3 {
key(&mut a, K::Right, M::NONE);
}
assert!(draw(&mut a).contains("Formular"));
let after_scroll = a.help.position.clone();
a.handle(Event::Resize(110, 35));
a.windows
.iter_mut()
.find(|w| w.id == a.active)
.unwrap()
.normal
.width = 70;
draw(&mut a);
assert_eq!(a.help.position, after_scroll);
for _ in 0..3 {
key(&mut a, K::Left, M::NONE);
}
assert_eq!(a.help.position, before);
assert!(draw(&mut a).contains("Hallo aus dem Formular"));
let (p, _) = Catalog::embedded()
.resolve("", "docs/ide-bedienung.md")
.unwrap();
let row = Catalog::embedded().pages[p]
.blocks
.iter()
.position(|b| b.pre && b.text().contains("Index, Contents"))
.unwrap();
a.help.visit(p, row, None);
a.windows
.iter_mut()
.find(|w| w.id == a.active)
.unwrap()
.normal
.width = 22;
let initial = draw(&mut a);
assert!(!initial.contains("Using Help"));
let mut found = false;
for _ in 0..20 {
key(&mut a, K::Right, M::NONE);
found |= draw(&mut a).contains("Using Help");
}
assert!(found);
// Real Unicode paragraphs wrap and remain at the identical logical anchor.
a.execute(Command::UsingHelp);
key(&mut a, K::PageDown, M::NONE);
let pos = a.help.position.clone();
let narrow = draw(&mut a);
assert!(!narrow.contains('\u{fffd}'));
a.windows
.iter_mut()
.find(|w| w.id == a.active)
.unwrap()
.normal
.width = 90;
draw(&mut a);
assert_eq!(a.help.position, pos);
}
#[test]
fn help_preserves_fullscreen_and_does_not_modify_designer_or_source() {
let t = Temp::new();
let mut a = t.app();
a.execute(Command::Output);
a.session.fullscreen = true;
let original = a.active;
key(&mut a, K::F(1), M::SHIFT);
assert!(!a.session.fullscreen);
assert!(draw(&mut a).contains("Hilfe benutzen"));
key(&mut a, K::Esc, M::NONE);
assert_eq!(a.active, original);
assert!(a.session.fullscreen);
a.session.fullscreen = false;
a.execute(Command::NewForm);
let doc = a.designer.document.unwrap();
let before = a.project.document(doc).unwrap().revision();
key(&mut a, K::F(1), M::SHIFT);
for k in [K::Down, K::Right, K::Tab, K::PageDown, K::Delete] {
key(&mut a, k, M::NONE);
}
assert_eq!(a.project.document(doc).unwrap().revision(), before);
for ch in "LEFT$".chars() {
key(&mut a, K::Char(ch), M::NONE);
}
key(&mut a, K::Enter, M::NONE);
assert!(a.help.position.query.as_deref() == Some("LEFT$"));
key(&mut a, K::Tab, M::NONE);
key(&mut a, K::Enter, M::NONE);
assert!(a.help.position.query.is_none());
key(&mut a, K::F(1), M::ALT);
assert_eq!(a.help.position.query.as_deref(), Some("LEFT$"));
assert_eq!(a.project.document(doc).unwrap().revision(), before);
}