79 lines
3.7 KiB
TypeScript
79 lines
3.7 KiB
TypeScript
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import test from "node:test";
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import assert from "node:assert/strict";
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import { readFileSync } from "node:fs";
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const assertRecoverTerminalOnAppResumeOrder = (source: string): void => {
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const handlerIndex = source.indexOf("const recoverTerminalOnAppResume = () => {");
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assert.notEqual(handlerIndex, -1, "recoverTerminalOnAppResume must exist");
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const bodyStart = source.indexOf("{", handlerIndex);
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assert.notEqual(bodyStart, -1, "recoverTerminalOnAppResume must have a body");
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let depth = 0;
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let bodyEnd = -1;
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for (let index = bodyStart; index < source.length; index += 1) {
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const char = source[index];
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if (char === "{") depth += 1;
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if (char === "}") {
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depth -= 1;
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if (depth === 0) {
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bodyEnd = index + 1;
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break;
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}
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}
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}
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assert.notEqual(bodyEnd, -1, "recoverTerminalOnAppResume body must close");
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const handlerSource = source.slice(handlerIndex, bodyEnd);
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const flushIndex = handlerSource.indexOf("flushPendingTerminalWritesOnResume(term)");
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const scrollIndex = handlerSource.indexOf("flushPendingOutputScroll()");
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const recoveryIndex = handlerSource.indexOf("recoverWebglRendererOnAppResume()");
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const refitIndex = handlerSource.indexOf("scheduleLayoutRecoveryRefit([0, 100, 300])");
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assert.notEqual(flushIndex, -1, "recoverTerminalOnAppResume must flush pending writes");
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assert.notEqual(scrollIndex, -1, "recoverTerminalOnAppResume must flush pending scroll");
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assert.notEqual(recoveryIndex, -1, "recoverTerminalOnAppResume must recover WebGL");
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assert.notEqual(refitIndex, -1, "recoverTerminalOnAppResume must schedule layout recovery");
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assert.ok(flushIndex < scrollIndex, "flush pending writes before pending scroll");
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assert.ok(scrollIndex < recoveryIndex, "flush pending scroll before WebGL recovery");
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assert.ok(recoveryIndex < refitIndex, "recover WebGL before layout recovery");
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};
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test("app resume handlers flush backlog and recover the terminal renderer before refit", () => {
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const source = readFileSync(new URL("./useTerminalEffects.ts", import.meta.url), "utf8");
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const resumeEffectIndex = source.indexOf("const recoverWebglRendererOnAppResume = () => {");
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const resumeEffectEnd = source.indexOf("// Only register the snippet executor", resumeEffectIndex);
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const resumeEffectSource = source.slice(resumeEffectIndex, resumeEffectEnd);
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assert.ok(resumeEffectIndex >= 0);
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assert.ok(resumeEffectEnd > resumeEffectIndex);
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assertRecoverTerminalOnAppResumeOrder(source);
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assert.match(
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resumeEffectSource,
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/const handleVisibilityChange = \(\) => \{\s*if \(document\.visibilityState !== 'visible'\) \{\s*syncOutputPressureVisibility\(\);\s*return;\s*\}\s*recoverTerminalOnAppResume\(\);\s*\};/,
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);
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assert.match(
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resumeEffectSource,
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/const handleWindowFocus = \(\) => \{\s*recoverTerminalOnAppResume\(\);\s*\};/,
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);
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assert.match(
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resumeEffectSource,
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/const unsubscribeWindowShown = terminalBackend\.onWindowShown\?\.\(\(\) => \{\s*recoverTerminalOnAppResume\(\);\s*\}\);/,
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);
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assert.doesNotMatch(resumeEffectSource, /\binWorkspace\b/);
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assert.doesNotMatch(resumeEffectSource, /\bisFocusMode\b/);
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assert.doesNotMatch(resumeEffectSource, /\bisFocused\b/);
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assert.doesNotMatch(source, /shouldRecoverOnAppResume/);
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});
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test("useTerminalBackend exposes onWindowShown so the resume hook actually fires", () => {
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const source = readFileSync(
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new URL("../../application/state/useTerminalBackend.ts", import.meta.url),
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"utf8",
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);
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assert.match(source, /const onWindowShown = useCallback\(\(cb: \(\) => void\) => \{\s*const bridge = netcattyBridge\.get\(\);\s*return bridge\?\.onWindowShown\?\.\(cb\);/);
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const returnIndex = source.indexOf("useMemo(");
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assert.notEqual(returnIndex, -1);
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assert.match(source.slice(returnIndex), /onWindowShown,/);
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});
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