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|
//! Behaviour tests for the client core.
//!
//! These tests never touch a terminal or a socket. `Screen` applies the
//! logical `Effect`s that `ClientCore` emits, so assertions are about what a
//! player would see, not about ANSI sequences.
use zagan_bet::client::core::{ClientCore, Effect, InteractiveCommand, Key};
#[derive(Default)]
struct Screen {
lines: Vec<String>,
region_start: Option<usize>,
region_len: usize,
prompt: String,
}
impl Screen {
fn apply(
&mut self,
effects: &[Effect],
sent: &mut Vec<String>,
interactive: &mut Vec<InteractiveCommand>,
) {
for effect in effects {
match effect {
Effect::Print(lines) => self.lines.extend(lines.iter().cloned()),
Effect::ReplaceRegion(lines) => {
if let Some(start) = self.region_start {
self.lines.truncate(start);
} else {
self.region_start = Some(self.lines.len());
}
self.lines.extend(lines.iter().cloned());
self.region_len = lines.len();
}
Effect::ClearRegion => {
if let Some(start) = self.region_start {
self.lines.truncate(start);
}
self.region_start = None;
self.region_len = 0;
}
Effect::SetPrompt { text, .. } => self.prompt = text.clone(),
Effect::SendLine(line) => sent.push(line.clone()),
Effect::Interactive(command) => interactive.push(command.clone()),
Effect::Quit
| Effect::Disconnect
| Effect::ListHosts
| Effect::ForgetHost(_) => {}
}
}
}
fn board(&self) -> &[String] {
match self.region_start {
Some(start) => &self.lines[start..start + self.region_len],
None => &[],
}
}
}
struct Harness {
core: ClientCore,
screen: Screen,
sent: Vec<String>,
interactive: Vec<InteractiveCommand>,
}
impl Harness {
fn new() -> Self {
let mut core = ClientCore::new();
core.set_connected(true);
core.set_logged_in(Some("alice".to_string()));
Self {
core,
screen: Screen::default(),
sent: Vec::new(),
interactive: Vec::new(),
}
}
fn apply(&mut self, effects: Vec<Effect>) {
self.screen
.apply(&effects, &mut self.sent, &mut self.interactive);
}
fn key(&mut self, key: Key) {
let effects = self.core.handle_key(key);
self.apply(effects);
if let Some(prompt) = self.core.prompt_effect() {
self.apply(vec![prompt]);
}
}
fn line(&mut self, line: &str) {
for c in line.chars() {
self.key(Key::Char(c));
}
self.key(Key::Enter);
}
fn reply(&mut self, reply: &str) {
let effects = self.core.handle_reply(reply);
self.apply(effects);
if let Some(prompt) = self.core.prompt_effect() {
self.apply(vec![prompt]);
}
}
fn board(&self) -> &[String] {
self.screen.board()
}
fn enter_slots(&mut self, bet: &str) {
self.line(&format!("play slots {bet}"));
self.reply("INFO alice 1 1000");
}
}
#[test]
fn play_shows_a_seven_line_board_and_fetches_the_balance() {
let mut h = Harness::new();
h.line("play slots 50");
assert_eq!(h.board().len(), 7);
assert!(h.board()[1].contains("Bet: 50 PLN"));
assert!(h.sent.contains(&"INFO".to_string()));
h.reply("INFO alice 1 1000");
assert_eq!(h.board().len(), 7);
assert!(h.board()[1].contains("Balance: 1000 PLN"));
}
#[test]
fn spin_replaces_the_board_and_keeps_the_controls_line() {
let mut h = Harness::new();
h.enter_slots("50");
let lines_before_spin = h.screen.lines.len();
h.key(Key::Char(' '));
assert_eq!(h.board().len(), 7);
assert!(h.board()[4].contains("Spinning..."));
assert!(h.board()[6].contains("[Q] Quit"));
assert!(h.sent.iter().any(|line| line == "PLAY_START slots 50"));
assert_eq!(h.screen.lines.len(), lines_before_spin);
h.reply("GAME_RESULT session-1 60 50 1010 OSS two");
assert_eq!(h.board().len(), 7);
assert!(h.board()[2].contains("[ O ] [ S ] [ S ]"));
assert!(h.board()[4].contains("Two of a kind! Winnings: 60 PLN"));
assert!(h.board()[1].contains("Balance: 1010 PLN"));
assert!(h.board()[6].contains("[Q] Quit"));
assert_eq!(h.screen.lines.len(), lines_before_spin);
}
#[test]
fn changing_the_bet_after_a_spin_does_not_leave_stale_lines() {
let mut h = Harness::new();
h.enter_slots("50");
h.key(Key::Char(' '));
h.reply("GAME_RESULT session-1 60 50 1010 OSS two");
let lines_before_bet = h.screen.lines.len();
h.key(Key::Char('+'));
assert_eq!(h.board().len(), 7);
assert!(h.board()[1].contains("Bet: 60 PLN"));
assert!(h.board()[2].contains("[ O ] [ S ] [ S ]"));
assert_eq!(h.screen.lines.len(), lines_before_bet);
assert_eq!(
h.screen
.lines
.iter()
.filter(|line| line.contains("=== SLOTS ==="))
.count(),
1
);
}
#[test]
fn quitting_clears_the_board_and_returns_the_prompt() {
let mut h = Harness::new();
h.enter_slots("50");
h.key(Key::Char('q'));
assert!(h.board().is_empty());
assert!(h.screen.lines.iter().any(|line| line == "Game exited."));
assert_eq!(h.screen.prompt, "");
}
#[test]
fn a_server_error_replaces_the_status_line() {
let mut h = Harness::new();
h.enter_slots("50");
h.key(Key::Char(' '));
h.reply("ERROR Insufficient balance");
assert_eq!(h.board().len(), 7);
assert!(h.board()[4].contains("ERROR: Insufficient balance"));
assert!(h.board()[2].contains("[ ? ]"));
assert!(!h.board().iter().any(|line| line.contains("Spinning")));
}
#[test]
fn an_empty_reply_is_an_error_not_a_silent_spin() {
let mut h = Harness::new();
h.enter_slots("50");
h.key(Key::Char(' '));
h.reply("");
assert_eq!(h.board().len(), 7);
assert!(h.board()[4].contains("No response from server"));
}
|
