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feat: click-xy 和 eval-val，提升 UI 自动化健壮性 (#24) #25

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Merged
4ier merged 1 commit into from
Apr 28, 2026
Merged

feat: click-xy 和 eval-val，提升 UI 自动化健壮性 (#24) #25

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90 changes: 90 additions & 0 deletions tools/neo.cjs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,9 @@
// neo cookies clear [domain] Clear cookies
// neo snapshot [-i] [-C] [--json] [--diff] Snapshot a11y tree with compact ref mapping
// neo click <ref> [--new-tab] Click element by ref
// neo click-xy <x> <y> Click at absolute viewport coordinates (bypasses a11y tree)
// neo fill <ref> "text" Clear then fill element by ref
// neo eval-val <selector> <value> Set input value via framework-safe native setter
// neo type <ref> "text" Type text without clearing
// neo press <key> Press keyboard key (supports Ctrl+a)
// neo hover <ref> Hover over element by ref
Expand Down Expand Up @@ -1523,6 +1525,39 @@ const PRESS_KEY_MAP = {
pagedown: { key: 'PageDown', code: 'PageDown' },
};

function buildClickXyEvents(x, y) {
const nx = Number(x);
const ny = Number(y);
if (!Number.isFinite(nx) || !Number.isFinite(ny)) {
throw new Error('click-xy: x and y must be finite numbers');
}
const base = { x: nx, y: ny, button: 'left', clickCount: 1 };
return [
{ ...base, type: 'mousePressed' },
{ ...base, type: 'mouseReleased' },
];
}

function buildEvalValExpression(selector, value) {
const selJson = JSON.stringify(String(selector));
const valJson = JSON.stringify(String(value == null ? '' : value));
return `(function(){
var el = document.querySelector(${selJson});
if (!el) return { ok: false, error: 'not_found' };
var tag = (el.tagName || '').toLowerCase();
var proto;
if (tag === 'textarea') proto = HTMLTextAreaElement.prototype;
else if (tag === 'select') proto = HTMLSelectElement.prototype;
else proto = HTMLInputElement.prototype;
var setter = Object.getOwnPropertyDescriptor(proto, 'value');
if (!setter || typeof setter.set !== 'function') return { ok: false, error: 'no_setter' };
setter.set.call(el, ${valJson});
el.dispatchEvent(new Event('input', { bubbles: true }));
el.dispatchEvent(new Event('change', { bubbles: true }));
return { ok: true, tag: tag };
})()`;
}

function parsePressKey(rawKey) {
const input = String(rawKey || '').trim();
if (!input) return null;
Expand Down Expand Up @@ -4581,6 +4616,31 @@ commands.click = async function(args, context = {}) {
console.log(`Clicked ${ref}`);
};

// neo click-xy <x> <y>
// Bypass the a11y tree entirely and click at absolute viewport coordinates via
// CDP Input.dispatchMouseEvent. Useful when resolveRef fails (stale objectId,
// portal/popover options, elements inside shadow DOM / cross-origin iframes).
commands['click-xy'] = async function(args, context = {}) {
const { positional } = parseArgs(args || []);
if (positional.length !== 2) {
console.error('Usage: neo click-xy <x> <y>');
process.exit(1);
}
let events;
try {
events = buildClickXyEvents(positional[0], positional[1]);
} catch (err) {
console.error(`Usage: neo click-xy <x> <y> (${err && err.message ? err.message : String(err)})`);
process.exit(1);
}

const sessionName = context.sessionName || DEFAULT_SESSION_NAME;
const pageWsUrl = getSessionPageWsUrl(sessionName);
await cdpSend(pageWsUrl, 'Input.dispatchMouseEvent', events[0]);
await cdpSend(pageWsUrl, 'Input.dispatchMouseEvent', events[1]);
console.log(`Clicked (${events[0].x}, ${events[0].y})`);
};

// neo fill <ref> "text"
commands.fill = async function(args, context = {}) {
const { positional } = parseArgs(args || []);
Expand Down Expand Up @@ -4624,6 +4684,34 @@ commands.fill = async function(args, context = {}) {
console.log(`Filled ${ref}`);
};

// neo eval-val <selector> <value>
// Set an input/textarea/select value using the framework-safe native setter
// pattern (React/Vue/Angular controlled inputs ignore naive .value = x).
commands['eval-val'] = async function(args, context = {}) {
const { positional } = parseArgs(args || []);
const selector = positional[0];
const value = positional.length > 1 ? positional.slice(1).join(' ') : null;
if (!selector || value === null) {
console.error('Usage: neo eval-val <selector> <value>');
process.exit(1);
}

const sessionName = context.sessionName || DEFAULT_SESSION_NAME;
const pageWsUrl = getSessionPageWsUrl(sessionName);
const expression = buildEvalValExpression(selector, value);
const res = await cdpSend(pageWsUrl, 'Runtime.evaluate', {
expression,
returnByValue: true,
});
const out = res && res.result && res.result.value;
if (!out || !out.ok) {
const reason = out && out.error ? out.error : 'unknown';
console.error(`eval-val failed (${reason}) for selector: ${selector}`);
process.exit(1);
}
console.log(`Set value on ${selector}`);
};

// neo type <ref> "text"
commands.type = async function(args, context = {}) {
const { positional } = parseArgs(args || []);
Expand Down Expand Up @@ -7510,7 +7598,9 @@ Commands:
neo cookies list|export|import|clear Manage browser cookies in the active session
neo snapshot [-i] [-C] [--json] [--diff] Snapshot a11y tree with compact refs
neo click <ref> [--new-tab] Click element by ref
neo click-xy <x> <y> Click at absolute viewport coordinates (bypasses a11y tree)
neo fill <ref> "text" Clear then fill element by ref
neo eval-val <selector> <value> Set input value via framework-safe native setter
neo type <ref> "text" Type text without clearing
neo press <key> Press keyboard key (supports Ctrl+a)
neo hover <ref> Hover over element by ref
Expand Down
77 changes: 77 additions & 0 deletions tools/neo.test.cjs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -992,6 +992,39 @@ const PRESS_KEY_MAP = {
pagedown: { key: 'PageDown', code: 'PageDown' },
};

function buildClickXyEvents(x, y) {
const nx = Number(x);
const ny = Number(y);
if (!Number.isFinite(nx) || !Number.isFinite(ny)) {
throw new Error('click-xy: x and y must be finite numbers');
}
const base = { x: nx, y: ny, button: 'left', clickCount: 1 };
return [
{ ...base, type: 'mousePressed' },
{ ...base, type: 'mouseReleased' },
];
}

function buildEvalValExpression(selector, value) {
const selJson = JSON.stringify(String(selector));
const valJson = JSON.stringify(String(value == null ? '' : value));
return `(function(){
var el = document.querySelector(${selJson});
if (!el) return { ok: false, error: 'not_found' };
var tag = (el.tagName || '').toLowerCase();
var proto;
if (tag === 'textarea') proto = HTMLTextAreaElement.prototype;
else if (tag === 'select') proto = HTMLSelectElement.prototype;
else proto = HTMLInputElement.prototype;
var setter = Object.getOwnPropertyDescriptor(proto, 'value');
if (!setter || typeof setter.set !== 'function') return { ok: false, error: 'no_setter' };
setter.set.call(el, ${valJson});
el.dispatchEvent(new Event('input', { bubbles: true }));
el.dispatchEvent(new Event('change', { bubbles: true }));
return { ok: true, tag: tag };
})()`;
}

function parsePressKey(rawKey) {
const input = String(rawKey || '').trim();
if (!input) return null;
Expand Down Expand Up @@ -2760,6 +2793,50 @@ test('diff reports no changes for identical snapshots', () => {
assert.strictEqual(changed.length, 0);
});

test('buildClickXyEvents produces mousePressed + mouseReleased at given coords', () => {
const events = buildClickXyEvents(100, 200);
assert.strictEqual(events.length, 2);
assert.deepStrictEqual(events[0], { x: 100, y: 200, button: 'left', clickCount: 1, type: 'mousePressed' });
assert.deepStrictEqual(events[1], { x: 100, y: 200, button: 'left', clickCount: 1, type: 'mouseReleased' });
});

test('buildClickXyEvents accepts numeric strings and floats', () => {
const events = buildClickXyEvents('44.5', '88');
assert.strictEqual(events[0].x, 44.5);
assert.strictEqual(events[0].y, 88);
assert.strictEqual(events[1].type, 'mouseReleased');
});

test('buildClickXyEvents rejects non-finite coordinates', () => {
assert.throws(() => buildClickXyEvents('abc', 10), /finite numbers/);
assert.throws(() => buildClickXyEvents(10, NaN), /finite numbers/);
assert.throws(() => buildClickXyEvents(undefined, undefined), /finite numbers/);
});

test('buildEvalValExpression JSON-escapes selector and value safely', () => {
const expr = buildEvalValExpression('#email', 'user@test.com');
assert.ok(expr.includes('"#email"'), 'selector JSON-quoted');
assert.ok(expr.includes('"user@test.com"'), 'value JSON-quoted');
assert.ok(expr.includes('querySelector'), 'uses querySelector');
assert.ok(expr.includes("Object.getOwnPropertyDescriptor"), 'uses native setter pattern');
assert.ok(expr.includes("new Event('input'"), 'dispatches input');
assert.ok(expr.includes("new Event('change'"), 'dispatches change');
assert.ok(expr.includes('HTMLInputElement.prototype'), 'includes input proto');
assert.ok(expr.includes('HTMLTextAreaElement.prototype'), 'includes textarea proto');
});

test('buildEvalValExpression escapes quotes and backslashes in value', () => {
const expr = buildEvalValExpression('input[name="q"]', 'hello "world" \\n');
// JSON.stringify should turn the value into a safely-quoted JS string literal
assert.ok(expr.includes(JSON.stringify('input[name="q"]')), 'selector escaped');
assert.ok(expr.includes(JSON.stringify('hello "world" \\n')), 'value escaped');
});

test('buildEvalValExpression coerces null/undefined value to empty string', () => {
const expr = buildEvalValExpression('#x', null);
assert.ok(expr.includes('""'));
});

Promise.all(pendingTests)
.finally(() => {
resetSessionFile();
Expand Down
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