49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
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import assert from "node:assert/strict";
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import test from "node:test";
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import type { Terminal as XTerm } from "@xterm/xterm";
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import {
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XTERM_WRITE_CALLBACK_BATCH_BYTES,
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XTERM_WRITE_CALLBACK_FAST_PATH_MAX_BYTES,
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} from "./terminalFlowConstants.ts";
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import {
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accumulateDeferredTerminalWriteAck,
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clearDeferredTerminalWriteAck,
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shouldDeferTerminalWriteCallback,
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} from "./terminalWriteAckDeferral.ts";
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const createTerm = (): XTerm => ({}) as XTerm;
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test("shouldDeferTerminalWriteCallback allows small writes under the batch ceiling", () => {
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assert.equal(
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shouldDeferTerminalWriteCallback(
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XTERM_WRITE_CALLBACK_FAST_PATH_MAX_BYTES,
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0,
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100,
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XTERM_WRITE_CALLBACK_FAST_PATH_MAX_BYTES,
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XTERM_WRITE_CALLBACK_BATCH_BYTES,
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),
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true,
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);
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});
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test("shouldDeferTerminalWriteCallback rejects writes that would cross the batch ceiling", () => {
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assert.equal(
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shouldDeferTerminalWriteCallback(
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100,
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XTERM_WRITE_CALLBACK_BATCH_BYTES - 50,
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100,
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XTERM_WRITE_CALLBACK_FAST_PATH_MAX_BYTES,
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XTERM_WRITE_CALLBACK_BATCH_BYTES,
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),
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false,
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);
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});
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test("accumulateDeferredTerminalWriteAck tracks ingress bytes per terminal", () => {
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const term = createTerm();
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assert.equal(accumulateDeferredTerminalWriteAck(term, 10), 10);
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assert.equal(accumulateDeferredTerminalWriteAck(term, 5), 15);
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assert.equal(clearDeferredTerminalWriteAck(term), 15);
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assert.equal(clearDeferredTerminalWriteAck(term), 0);
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});
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