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learnharness/tests/render-composer.test.tsx
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/**
* Composer blob render tests — the morphing text field (chat / note / answer
* modes), concentric corner radii, and the stop-while-busy button.
*
* Same tsx classic-JSX shim as render-cards.test.tsx.
*/
import React from "react";
(globalThis as Record<string, unknown>).React = React;
import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { renderToStaticMarkup } from "react-dom/server";
import { Composer } from "../components/composer.tsx";
function render(mode: "chat" | "note" | "answer", opts: { busy?: boolean; canSend?: boolean } = {}) {
return renderToStaticMarkup(
<Composer
mode={mode}
busy={opts.busy ?? false}
value=""
onChange={() => {}}
onSend={() => {}}
onStop={() => {}}
canSend={opts.canSend ?? true}
/>,
);
}
describe("Composer blob", () => {
it("chat mode: chat placeholder + send button", () => {
const html = render("chat");
assert.match(html, /Ask, answer, or steer the lesson/);
assert.ok(html.includes('aria-label="Send"'), "send button present");
});
it("note mode: note placeholder and NO send button (card submits)", () => {
const html = render("note");
assert.match(html, /Add a note/);
assert.ok(!html.includes('aria-label="Send"'), "no send in note mode");
assert.ok(!html.includes('aria-label="Stop"'), "no stop either");
});
it("answer mode: answer placeholder + send button (submits the answer)", () => {
const html = render("answer");
assert.match(html, /Type your answer/);
assert.ok(html.includes('aria-label="Send"'), "send present in answer mode");
});
it("busy: send button becomes stop", () => {
const html = render("chat", { busy: true });
assert.ok(html.includes('aria-label="Stop"'), "stop replaces send while streaming");
});
it("concentric corner radii: blob 16px, send 10px (25% of the 40px button)", () => {
const html = render("chat");
assert.ok(html.includes("rounded-2xl"), "blob radius");
assert.ok(html.includes("rounded-[10px]"), "send radius = blob radius − padding");
assert.ok(html.includes("size-10"), "40px send button (10px = 25%)");
});
});