Sébastien QUEROL
32d736ecae
Checks / web (push) Canceled after 0s
Complete the weather, Substitute, Transform, called-move and forced-switch effects. Add held-item behavior, Exp. Share awards and badge-based traded Pokemon obedience, and persist trainer berry consumption. Validated with 576 passing unit tests and 149 browser tests, native/reference builds, reference/vendor/release checks and 320 Metal Powder emulator comparisons per browser. Smart AI and special balls/battle types remain on #28.
303 lines
16 KiB
TypeScript
303 lines
16 KiB
TypeScript
import { test, expect, type Page } from "@playwright/test";
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import { existsSync, readFileSync } from "node:fs";
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import { resolve } from "node:path";
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import { ENCOUNTER_WALK, type BattleScenario } from "./battle-fixture";
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const romPath = resolve(process.env.CRYSTAL_ROM_PATH ?? "Pokemon - Crystal Version (UE) (V1.1) [C][!].gbc");
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async function start(page: Page, scenario: BattleScenario = "win") {
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// Replace only this test's runtime module response. No fixture import or
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// encounter override exists in the application or production build.
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await page.route("**/src/game/runtime.ts", async (route) => {
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const response = await route.fetch();
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const source = await response.text();
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const needle = "const world = new GameWorld(assets);";
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expect(source).toContain(needle);
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// Fixture worlds stand in for a saved session, so no introduction runs.
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expect(source).toContain("this.world?.beginIntro();");
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await route.fulfill({ response, body: source.replace("this.world?.beginIntro();", "").replace(needle,
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`const { battleFixtureWorld } = await import('/tests/battle-fixture.ts');
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const world = battleFixtureWorld(assets, ${JSON.stringify(scenario)});`) });
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});
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await page.clock.install({ time: new Date("2026-09-22T12:00:00") });
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await page.goto("/");
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await page.locator("#rom-file").setInputFiles(romPath);
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await expect(page.locator("#status")).toContainText("verified");
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await page.clock.pauseAt(new Date("2026-09-22T12:05:00"));
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await page.locator("#play").click();
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for (const direction of ENCOUNTER_WALK) {
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const key = `Arrow${direction[0].toUpperCase()}${direction.slice(1)}`;
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// Long enough to turn in place first (4 ticks) and start one step,
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// short of a second step when already facing that way.
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await page.keyboard.down(key);
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await page.clock.runFor(250);
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await page.keyboard.up(key);
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await page.clock.runFor(300);
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}
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await expect(page.locator("#battle")).toBeVisible();
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await expect(page.locator("#battle-foe-name")).toHaveText("PIDGEY");
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}
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async function exportState(page: Page) {
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await page.locator("#tab-saves").click();
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const download = page.waitForEvent("download");
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await page.locator("#backup").click();
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const path = (await (await download).path())!;
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const record = JSON.parse(readFileSync(path, "utf8"));
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return { path, state: JSON.parse(Buffer.from(record.state, "base64").toString("utf8")) };
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}
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async function finish(page: Page, action: "fight" | "run" = "fight") {
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const messages = new Set<string>();
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for (let guard = 0; guard < 100; guard++) {
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if (await page.locator("#battle").isVisible()) {
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messages.add(await page.locator("#battle-text").innerText());
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const menu = page.locator("#battle-menu");
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const fight = menu.getByRole("button", { name: "FIGHT", exact: true });
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if (await fight.count()) {
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if (action === "run") await menu.getByRole("button", { name: "RUN", exact: true }).click();
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else {
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await fight.click();
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await menu.getByRole("button", { name: /TACKLE|PSYWAVE|SCRATCH/ }).click();
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}
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} else if (await menu.getByRole("button", { name: "YES", exact: true }).count()) {
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await menu.getByRole("button", { name: "YES", exact: true }).click();
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} else if (await menu.getByRole("button", { name: /Continue/ }).count()) {
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await menu.getByRole("button", { name: /Continue/ }).click();
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} else await page.clock.runFor(1200);
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} else if (await page.locator("#native-dialogue").isVisible()) {
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messages.add(await page.locator("#dialogue-text").innerText());
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await page.keyboard.press("KeyX");
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await page.clock.runFor(1500);
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} else if (await page.locator("#game-screen").getAttribute("data-activity") !== "idle") {
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await page.clock.runFor(1500);
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} else return [...messages].join("\n");
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}
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throw new Error(`Battle did not finish: ${[...messages].join(" | ")}`);
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}
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test.beforeEach(() => test.skip(!existsSync(romPath), "Requires the local user ROM; only encounter selection is a test fixture."));
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test("battle UI wins, acknowledges level-up stats and saves learned moves", async ({ page }) => {
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await start(page);
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const messages = await finish(page);
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expect(messages).toContain("SMOKESCREEN");
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await expect(page.locator("#game-notice")).toHaveText("");
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const { state } = await exportState(page);
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expect(state.party[0]).toMatchObject({ species: 155, level: 6 });
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expect(state.party[0].moves).toContain(108);
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expect(state.pokedex.seen).toContain(16);
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expect(state.pokedex.caught).not.toContain(16);
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});
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test("battle UI escapes without experience and saves a seen species", async ({ page }) => {
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await start(page);
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expect(await finish(page, "run")).toContain("Got away safely");
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const { state } = await exportState(page);
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expect(state.party[0].exp).toBe(178);
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expect(state.pokedex.seen).toContain(16);
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});
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test("keyboard and touch D-pad navigate battle moves, cancel and run", async ({ page }) => {
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await start(page);
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const menu = page.locator("#battle-menu");
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// A continues the intro message through the same keyboard path as menus.
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for (let tick = 0; tick < 10 && !(await menu.getByRole("button", { name: "FIGHT", exact: true }).count()); tick++) {
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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await page.clock.runFor(1200);
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}
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await expect(menu.getByRole("button", { name: "FIGHT", exact: true })).toHaveClass(/battle-selected/);
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await page.keyboard.press("KeyX");
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await expect(menu.getByRole("button", { name: /TACKLE/ })).toBeVisible();
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await page.keyboard.press("ArrowDown");
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await expect(menu.getByRole("button", { name: /LEER/ })).toHaveClass(/battle-selected/);
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await page.keyboard.press("KeyZ");
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await expect(menu.getByRole("button", { name: "FIGHT", exact: true })).toBeVisible();
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// A real pointer press on the on-screen D-pad (synthetic events cannot be captured).
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await page.locator('[data-game-button="down"]').click();
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await expect(menu.getByRole("button", { name: "PKMN", exact: true })).toHaveClass(/battle-selected/);
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await page.keyboard.press("ArrowDown");
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await expect(menu.getByRole("button", { name: "PACK", exact: true })).toHaveClass(/battle-selected/);
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await page.keyboard.press("ArrowDown");
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await expect(menu.getByRole("button", { name: "RUN", exact: true })).toHaveClass(/battle-selected/);
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await page.keyboard.press("KeyX");
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expect(await finish(page, "run")).toContain("Got away safely");
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});
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test("battle UI whiteout heals the party and halves money at home", async ({ page }) => {
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await start(page, "loss");
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expect(await finish(page)).toMatch(/whited\s+out/i);
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await expect(page.locator("#game-notice")).toHaveText("");
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const { state } = await exportState(page);
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expect(state).toMatchObject({ map: "24:7", x: 3, y: 3, money: 1500 });
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expect(state.party[0].hp).toBe(state.party[0].stats[0]);
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expect(state.party[0].pp[0]).toBe(35);
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});
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test("pausing battle freezes messages and importing its backup restores committed state", async ({ page }) => {
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await start(page);
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const { path, state } = await exportState(page);
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expect(state).toMatchObject({ map: "24:7", x: 6, y: 2, money: 3001 });
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expect(state.party[0].level).toBe(5);
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expect(state.pokedex.seen).not.toContain(16);
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const text = await page.locator("#battle-text").textContent();
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await page.clock.runFor(5000);
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expect(await page.locator("#battle-text").textContent()).toBe(text);
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page.once("dialog", (dialog) => dialog.accept());
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await page.locator("#save-file").setInputFiles(path);
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await expect(page.locator("#status")).toContainText("Backup restored");
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await expect(page.locator("#battle")).toBeHidden();
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await page.locator("#play").click();
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await expect(page.locator("#game-screen")).toHaveAttribute("data-x", "6");
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const restored = await exportState(page);
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expect(restored.state).toEqual(state);
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});
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test("an unsupported battle effect closes the UI without persisting partial changes", async ({ page }) => {
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await start(page, "unsupported");
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await finish(page);
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await expect(page.locator("#game-notice")).toContainText("not been ported");
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const { state } = await exportState(page);
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expect(state.party[0].pp[0]).toBe(10);
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expect(state.party[0].hp).toBe(state.party[0].stats[0]);
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expect(state.pokedex.seen).not.toContain(16);
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expect(state.money).toBe(3001);
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});
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test("battle PACK throws Poké Balls, names the catch and saves it", async ({ page }) => {
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await start(page, "catch");
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const menu = page.locator("#battle-menu");
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const messages: string[] = [];
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let named = false;
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for (let guard = 0; guard < 120 && !named; guard++) {
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messages.push(await page.locator("#battle-text").innerText());
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const pack = menu.getByRole("button", { name: "PACK", exact: true });
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const nickname = menu.getByRole("textbox");
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if (await nickname.count()) {
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await expect(page.locator("#battle-text")).toHaveText("PIDGEY'S\nNICKNAME?");
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await nickname.fill("PIDGE");
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await menu.getByRole("button", { name: "OK", exact: true }).click();
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named = true;
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} else if (await pack.count()) {
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await pack.click();
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await menu.getByRole("button", { name: "BALL POCKET", exact: true }).click();
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const ball = menu.getByRole("button", { name: /POKé BALL/ });
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await expect(ball).toContainText("×");
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await ball.click();
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} else if (await menu.getByRole("button", { name: "YES", exact: true }).count()) {
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await menu.getByRole("button", { name: "YES", exact: true }).click();
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} else if (await menu.getByRole("button", { name: /Continue/ }).count()) {
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await menu.getByRole("button", { name: /Continue/ }).click();
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} else await page.clock.runFor(1200);
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}
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expect(named).toBe(true);
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expect(messages.join("\n")).toContain("Gotcha!");
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await finish(page);
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await expect(page.locator("#battle")).toBeHidden();
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const { state } = await exportState(page);
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expect(state.party).toHaveLength(2);
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expect(state.party[1]).toMatchObject({ species: 16, nickname: "PIDGE", level: 3 });
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expect(state.pokedex.caught).toContain(16);
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expect(state.bag.balls[0].quantity).toBeLessThan(10);
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});
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test("battle PACK closes with B and returns to the command menu", async ({ page }) => {
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await start(page, "catch");
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const menu = page.locator("#battle-menu");
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for (let tick = 0; tick < 10 && !(await menu.getByRole("button", { name: "PACK", exact: true }).count()); tick++) {
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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await page.clock.runFor(1200);
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}
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await menu.getByRole("button", { name: "PACK", exact: true }).click();
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// BattlePack opens on the Items pocket first.
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await expect(menu.getByRole("button", { name: "ITEM POCKET", exact: true })).toHaveAttribute("aria-pressed", "true");
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await menu.getByRole("button", { name: "BALL POCKET", exact: true }).click();
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await expect(menu.getByRole("button", { name: /POKé BALL/ })).toBeVisible();
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await page.keyboard.press("KeyZ");
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await expect(menu.getByRole("button", { name: "FIGHT", exact: true })).toBeVisible();
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});
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test("battle PKMN switches through the party menu and its submenu, then shares the experience", async ({ page }) => {
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await start(page, "switch");
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const menu = page.locator("#battle-menu");
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for (let tick = 0; tick < 10 && !(await menu.getByRole("button", { name: "PKMN", exact: true }).count()); tick++) {
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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await page.clock.runFor(1200);
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}
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await menu.getByRole("button", { name: "PKMN", exact: true }).click();
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await expect(page.locator("#battle-text")).toHaveText("Choose a POKéMON.");
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await expect(menu.getByRole("button", { name: /^CYNDAQUIL/ })).toBeVisible();
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await menu.getByRole("button", { name: /^TOTODILE/ }).click();
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// BattleMonMenu: B returns to the party list.
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await expect(menu.getByRole("button", { name: "STATS", exact: true })).toBeEnabled();
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await page.keyboard.press("KeyZ");
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await menu.getByRole("button", { name: /^TOTODILE/ }).click();
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await menu.getByRole("button", { name: "SWITCH", exact: true }).click();
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// The withdrawal and send-out texts continue on their own.
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const shown: string[] = [];
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for (let tick = 0; tick < 20 && (await page.locator("#battle-player-name").innerText()) !== "TOTODILE"; tick++) {
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shown.push(await page.locator("#battle-text").innerText());
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await page.clock.runFor(300);
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}
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await expect(page.locator("#battle-player-name")).toHaveText("TOTODILE");
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expect(shown.join("\n").replace(/\n/g, " ")).toContain("CYNDAQUIL, that's enough! Come back!");
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const messages = await finish(page);
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// Pidgey's 23 experience points are halved for the two participants.
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expect(messages.replace(/\n/g, " ")).toContain("CYNDAQUIL gained 11 EXP. Points!");
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expect(messages.replace(/\n/g, " ")).toContain("TOTODILE gained 11 EXP. Points!");
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const { state } = await exportState(page);
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expect(state.party.map((mon: { species: number }) => mon.species)).toEqual([155, 158]);
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expect(state.party[1].exp).toBe(135 + 11);
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});
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test("battle PACK uses a Potion from the Items pocket on the Pokémon out", async ({ page }) => {
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await start(page, "potion");
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const menu = page.locator("#battle-menu");
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for (let tick = 0; tick < 10 && !(await menu.getByRole("button", { name: "PACK", exact: true }).count()); tick++) {
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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await page.clock.runFor(1200);
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}
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await menu.getByRole("button", { name: "PACK", exact: true }).click();
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await menu.getByRole("button", { name: /^POTION/ }).click();
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await expect(page.locator("#battle-text")).toHaveText("Use on which POKéMON?");
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await menu.getByRole("button", { name: /^CYNDAQUIL/ }).click();
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const shown: string[] = [];
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for (let tick = 0; tick < 20 && !shown.some((text) => text.includes("recovered")); tick++) {
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shown.push((await page.locator("#battle-text").innerText()).replace(/\n/g, " "));
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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else await page.clock.runFor(300);
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}
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// From 3 HP, a Potion's 20 stops at the level 5 maximum of 19.
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expect(shown).toContain("CYNDAQUIL recovered 16HP!");
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await finish(page, "run");
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const { state } = await exportState(page);
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expect(state.bag.items).toEqual([]);
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});
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test("battle PKMN STATS shows the stats screen's three pages and returns with B", async ({ page }) => {
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await start(page, "switch");
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const menu = page.locator("#battle-menu");
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for (let tick = 0; tick < 10 && !(await menu.getByRole("button", { name: "PKMN", exact: true }).count()); tick++) {
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if (await menu.getByRole("button", { name: /Continue/ }).count()) await page.keyboard.press("KeyX");
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await page.clock.runFor(1200);
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}
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await menu.getByRole("button", { name: "PKMN", exact: true }).click();
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await menu.getByRole("button", { name: /^TOTODILE/ }).click();
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await menu.getByRole("button", { name: "STATS", exact: true }).click();
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const stats = page.locator("#stats-screen");
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await expect(stats).toBeVisible();
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await expect(page.locator("#stats-header")).toContainText("№.158");
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await expect(page.locator("#stats-header")).toContainText("/TOTODILE");
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await expect(page.locator("#stats-page")).toContainText("WATER");
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await expect(page.locator("#stats-page")).toContainText("EXP POINTS");
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await page.keyboard.press("ArrowRight");
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await expect(page.locator("#stats-page")).toContainText("SCRATCH");
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await page.locator("#stats-next").click();
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await expect(page.locator("#stats-page")).toContainText("SPCL.ATK");
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await expect(page.locator("#stats-page")).toContainText("OT/");
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await page.keyboard.press("KeyZ");
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await expect(stats).toBeHidden();
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// BattleMenuPKMN_ReturnFromStats: back to the party menu.
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await expect(menu.getByRole("button", { name: /^CYNDAQUIL/ })).toBeVisible();
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});
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