Files
learnharness/tests/render-plan-block.test.tsx
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amosblomqvist a207e6b4a2 Plan-graph round 14 (owner): entry-angle clamp — heads enter within ±40° of the face perpendicular
The owner measured the arrowhead in Photoshop: past ~40° off the
perpendicular of the box edge, one barb crosses the tip's level and the
silhouette breaks. edgePathD now takes the target box and clamps the
final approach: the entry direction may tilt at most ±ENTRY_ANGLE_LIMIT
(40°) off the entry face's outward normal — a steeper natural approach
swings to the cone edge (same rotation side as the route), the shaft
stub and head follow the clamped direction.

Docking refined: the tip floats DOCK_GAP past the border along the FACE
NORMAL (constant gap at any tilt; perpendicular entries are bit-identical
to before — pinned). Faces are derived from where dagre's border point
sits on the target box (top/bottom/left/right all supported). Edges
without a known target box keep the unclamped geometry. Pinned: cone-edge
swing at 40° exactly, normal-gap docking, unclamped shallow entries.
2026-09-14 08:04:31 +03:00

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import { renderToStaticMarkup } from "react-dom/server";
import { describe, it } from "node:test";
import assert from "node:assert/strict";
import {
PlanBlock,
PlanPopup,
blockLayout,
topoFor,
edgePathD,
wrapTitle,
GAP_X,
NODE_H,
NODE_W,
type PopupMessage,
} from "../components/plan-block.tsx";
import type { PlanBlockData, PlanTree } from "../src/core/contracts.ts";
// Plan blocks: the pure layered layout, the frozen-snapshot rendering
// (full = borderless + column-filling
// with the glowing current), and the popup's LIVE derivation.
const CHAIN: PlanTree = {
nodes: [
{ id: "a", title: "Alpha node" },
{ id: "b", title: "Beta node" },
{ id: "c", title: "Gamma node" },
],
edges: [
{ from: "a", to: "b" },
{ from: "b", to: "c" },
],
version: 1,
};
describe("plan block layout (pure)", () => {
it("layers a chain top-down, one node per depth row", () => {
const { order, depth } = topoFor(CHAIN.nodes, CHAIN.edges);
assert.deepEqual(order.map((n) => n.id), ["a", "b", "c"]);
assert.equal(depth.get("c"), 2);
const layout = blockLayout(CHAIN.nodes, CHAIN.edges);
assert.equal(layout.width, NODE_W); // widest row is the single-node rows
assert.equal(layout.height, 3 * NODE_H + 2 * 48);
});
it("centers same-depth nodes over the widest row; tolerates dangling edges", () => {
const nodes = [
{ id: "r", title: "Root" },
{ id: "x", title: "Left" },
{ id: "y", title: "Right" },
];
const layout = blockLayout(nodes, [
{ from: "r", to: "x" },
{ from: "r", to: "y" },
{ from: "ghost", to: "r" }, // dangling: ignored defensively
]);
assert.equal(layout.width, 2 * NODE_W + GAP_X);
// Root centered over its two children: (2*W+GAP - W)/2
assert.equal(layout.x.get("r"), (2 * NODE_W + GAP_X - NODE_W) / 2);
assert.ok(layout.x.get("x") === 0 && layout.x.get("y") === NODE_W + GAP_X);
});
it("edgePathD draws dagre's route through curveBasis — mouth pulled back from the border", () => {
// Straight 3-point route (source border → mid → target border): the
// basis curve starts exactly at the border point; the END pulls
// back by HEAD_TIP_OVERHANG + the docking gap (92 − 3.538 − 4) so the
// head's TIP floats 4 short of the border with its mouth at the
// path's end, on a straight shaft (owner, rounds 11–12).
const d = edgePathD([{ x: 80, y: 44 }, { x: 80, y: 68 }, { x: 80, y: 92 }]);
assert.ok(d.startsWith("M80,44"), "starts at the source border point");
assert.ok(d.endsWith("L80,84.462"), "mouth pulled back; tip floats 4 off the border");
// The whole run stays on-axis (every x is 80): a collinear route
// renders straight — the shaft stub never bends a straight edge.
const xs = [...d.matchAll(/(?:[MLC]|,)(-?[\d.]+),/g)].map((m) => m[1]);
assert.ok(xs.length > 0 && xs.every((v) => v === "80"), "collinear route renders on-axis");
// A perpendicular entry with the target box is the SAME geometry.
const pd = edgePathD([{ x: 80, y: 44 }, { x: 80, y: 68 }, { x: 80, y: 92 }], { x: 0, y: 92, w: 160, h: 44 });
assert.equal(pd, d);
});
it("edgePathD clamps the entry to ±40° of the face perpendicular (owner, round 14)", () => {
const box = { x: 20, y: 100, w: 160, h: 44 };
// A 60° tilt into the top face swings to the 40° cone edge: the
// mouth lands at (97.726, 93.289) and the final segment runs at
// exactly 40° (Δx/Δy = tan 40°). The tip floats DOCK_GAP (4) off the
// face along the normal: border (100,100) → tip (100,96).
const clamped = edgePathD([{ x: 70, y: 70 }, { x: 100, y: 100 }], box);
assert.ok(clamped.endsWith("L97.726,93.289"), "swung to the cone edge");
// final L's from-point is the previous number pair; recompute direction
const nums = [...clamped.matchAll(/(-?[\d.]+)/g)].map((m) => Number(m[1]));
const ax = nums[nums.length - 4]!;
const ay = nums[nums.length - 3]!;
const bx = nums[nums.length - 2]!;
const by = nums[nums.length - 1]!;
assert.ok(Math.abs((bx - ax) / (by - ay) - Math.tan((40 * Math.PI) / 180)) < 0.01, "40° cone edge");
// Tip = mouth + u'·overhang floats 4 above the face.
const tipY = by + 0.766 * 3.538;
assert.ok(Math.abs(tipY - 96) < 0.01, "docking gap along the face normal");
// A shallow (~9.5°) tilt is WITHIN the limit: no swing.
const free = edgePathD([{ x: 90, y: 40 }, { x: 100, y: 100 }], box);
assert.ok(free.endsWith("L99.418,92.51"), "unclamped within the cone");
});
it("wrapTitle wraps greedily and NEVER drops content (boxes grow instead)", () => {
assert.deepEqual(wrapTitle("Chain rule intuition"), ["Chain rule intuition"]); // exactly 20 chars — fits one line
assert.deepEqual(wrapTitle("Chain rule intuition and fluency"), ["Chain rule intuition", "and fluency"]);
// Oversized word hard-chunked, nothing lost (owner, round 7).
assert.deepEqual(wrapTitle("supercalifragilisticexpialidocious word"), [
"supercalifragilistic",
"expialidocious word",
]);
assert.deepEqual(wrapTitle("supercalifragilistic"), ["supercalifragilistic"]); // exactly maxChars — fits
});
});
describe("plan block render", () => {
it("full block: borderless, column-filling, statuses AS CARRIED (never re-derived)", () => {
const data: PlanBlockData = {
kind: "full",
at: "2026-09-09T12:00:00Z",
current: null,
nodes: [
{ id: "a", title: "Alpha node", status: "visited" },
{ id: "b", title: "Beta node", status: "upcoming" },
],
edges: [{ from: "a", to: "b" }],
};
const html = renderToStaticMarkup(<PlanBlock data={data} onOpen={() => {}} />);
assert.match(html, /data-testid="plan-block-full"/);
// Borderless: the wrapper carries no border/rounded chrome.
assert.ok(!/data-testid="plan-block-full"[^>]*border/.test(html), "no wrapping chrome");
// Fills the column UP TO the chat-font cap: the svg is w-full +
// mx-auto with maxWidth = extent × TEXT_CAP_SCALE, so node text never
// renders past the 16.5px prose size (owner, plan-graph round 1).
assert.match(html, /<svg[^>]*class="block h-auto w-full mx-auto"/);
assert.match(html, /max-width:232\.32px/); // (160+16) × 1.32
// Two stacked nodes: 2*NODE_H + GAP_Y = 136 extent + GRAPH_PAD on
// every side (strokes/glow never clip at the edges).
assert.match(html, /viewBox="-8 -8 176 152"/);
// Snapshot statuses render as carried.
assert.match(html, /data-testid="plan-node-a" data-status="visited"/);
assert.match(html, /data-testid="plan-node-b" data-status="upcoming"/);
assert.match(html, /Open the full plan/);
});
});
describe("plan popup (live derivation)", () => {
function messages(): PopupMessage[] {
return [
{
parts: [
{
type: "tool-plan_init",
state: "output-available",
output: { ok: true, tree: CHAIN },
},
],
},
{
parts: [
{
type: "tool-quiz",
state: "output-available",
input: { nodeId: "a" },
output: { correct: true },
},
],
},
{
parts: [
{
type: "tool-quiz",
state: "input-available",
input: { nodeId: "b" },
},
],
},
];
}
it("derives statuses at click time: latest tagged call → current, earlier → visited (glowing)", () => {
const html = renderToStaticMarkup(<PlanPopup messages={messages()} onClose={() => {}} />);
assert.match(html, /data-testid="plan-popup"/);
assert.match(html, /data-testid="plan-node-a" data-status="visited"/);
assert.match(html, /data-testid="plan-node-b" data-status="current"/);
assert.match(html, /data-testid="plan-node-c" data-status="upcoming"/);
// The current node is the glow target: a faint yellow fill, blurred
// so it bleeds over the edges — static, no pulse (owner, round 6).
assert.match(html, /fill-yellow-400\/25/);
assert.match(html, /feGaussianBlur/);
assert.doesNotMatch(html, /animate-pulse/);
// Arrows into not-yet-visited nodes are grayed out (owner, round 6).
assert.match(html, /marker-end="url\(#.*-dim\)"/);
assert.match(html, /live — statuses derive from your check outcomes/);
});
it("renders the empty state when the session has no plan", () => {
const html = renderToStaticMarkup(<PlanPopup messages={[{ parts: [] }]} onClose={() => {}} />);
assert.match(html, /No plan in this session yet\./);
});
});