1// Tests of the pure core of the merge request page (static/js/mr.js). Run with
2// node --test 'internal/adapters/web/jstest/*.test.mjs'
3import assert from 'node:assert/strict';
4import { test } from 'node:test';
5
6globalThis.window = globalThis;
7globalThis.document = { readyState: 'complete', querySelector: () => null, querySelectorAll: () => [] };
8await import('../static/js/mr.js');
9const C = window.ermiteMR.core;
10
11test('windowOf: the start of the window of a file', () => {
12 assert.equal(C.windowOf('f1', 25), 0);
13 assert.equal(C.windowOf('f25', 25), 0);
14 assert.equal(C.windowOf('f26', 25), 25);
15 assert.equal(C.windowOf('f84', 25), 75);
16 assert.equal(C.windowOf('c3', 25), -1, 'not a file');
17 assert.equal(C.windowOf('f0', 25), -1);
18});
19
20test('menuKey: modes by number, D toggles the deletion, nothing else', () => {
21 assert.deepEqual(C.menuKey('1', 2), { mode: 0 });
22 assert.deepEqual(C.menuKey('2', 2), { mode: 1 });
23 assert.equal(C.menuKey('3', 2), null, 'no third mode');
24 assert.equal(C.menuKey('0', 2), null);
25 assert.deepEqual(C.menuKey('D', 2), { toggle: true });
26 assert.equal(C.menuKey('d', 2), null, 'd is the split layout');
27 assert.equal(C.menuKey('Enter', 2), null, 'the browser submits: the focus is on the button');
28 assert.equal(C.menuKey('M', 2), null);
29});
30
31test('step: stays in the list', () => {
32 assert.equal(C.step(0, 1, 3), 1);
33 assert.equal(C.step(2, 1, 3), 2);
34 assert.equal(C.step(0, -1, 3), 0);
35 assert.equal(C.step(-1, 1, 3), 0);
36 assert.equal(C.step(-1, -1, 3), 2);
37 assert.equal(C.step(0, 1, 0), -1);
38});
39
40test('rangeURL requires the same file, side and MR and sorts endpoints', () => {
41 const base = 'https://forge.test/demo/merge-requests/1';
42 const a = base+'?on=new:24:dir%2Fa.go#f1';
43 const b = base+'?from=25&on=new:10:dir%2Fa.go#f1';
44 const u = new URL(C.rangeURL(a,b,base));
45 assert.equal(u.searchParams.get('on'),'new:10-24:dir/a.go');
46 assert.equal(u.searchParams.get('from'),'25');
47 assert.equal(u.hash,'#f1');
48 assert.equal(C.rangeURL(a,a,base),null);
49 assert.equal(C.rangeURL(a,b.replace('new:','old:'),base),null);
50 assert.equal(C.rangeURL(a,b.replace('a.go','b.go'),base),null);
51 assert.equal(C.rangeURL(a,b.replace('/1?','/2?'),base),null);
52});
53
54test('quote opens the thread reply and prefills and focuses its textarea', () => {
55 let focused=false;
56 const field={value:'',focus(){focused=true;}};
57 const details={open:false,querySelector(){return field;}};
58 const thread={querySelector(){return details;}};
59 const button={dataset:{quote:'> source\n\n^2 '},closest(){return {closest(){return thread;}};}};
60 assert.equal(C.quote(button),true);
61 assert.equal(details.open,true);
62 assert.equal(field.value,'> source\n\n^2 ');
63 assert.equal(focused,true);
64});
65
66for (const dataset of [{diff:'split'}, {view:'split'}]) test(`reveal selects the split note (${JSON.stringify(dataset)}), including after lazy loading`, async () => {
67 const saved = globalThis.document;
68 const savedRAF = globalThis.requestAnimationFrame;
69 let scrolled = '';
70 const details = {open:false};
71 const node = id => ({id, querySelector(){return null;}, closest(){return details;}, scrollIntoView(){scrolled=id;}});
72 const nodes = new Map([['c12',node('c12')],['c12-s',node('c12-s')]]);
73 const ph = {dataset:{notes:'c12'}};
74 globalThis.document = {
75 querySelector: sel => sel === '#diffs' ? {dataset} : null,
76 querySelectorAll: () => [ph],
77 getElementById: id => nodes.get(id),
78 };
79 globalThis.requestAnimationFrame = fn => fn();
80 try {
81 assert.equal(window.ermiteMR.reveal('c12'),false);
82 assert.equal(scrolled,'c12-s');
83 assert.equal(details.open,true);
84 nodes.clear(); scrolled=''; details.open=false;
85 assert.equal(window.ermiteMR.reveal('c12'),true);
86 nodes.set('c12',node('c12')); nodes.set('c12-s',node('c12-s'));
87 await Promise.resolve();
88 assert.equal(scrolled,'c12-s');
89 assert.equal(details.open,true);
90 } finally {
91 globalThis.document=saved;
92 globalThis.requestAnimationFrame=savedRAF;
93 }
94});
95
96function footerHarness(extra = {}) {
97 const saved = Object.fromEntries(['document', 'location', 'addEventListener', 'history', 'MutationObserver'].map((k) => [k, globalThis[k]]));
98 const node = (id) => ({ id, attrs: {}, events: {}, hidden: false,
99 setAttribute(k, v) { this.attrs[k] = v; }, getAttribute(k) { return this.attrs[k] ?? null; },
100 addEventListener(k, v) { this.events[k] = v; }, focus() { this.focused = true; },
101 scrollIntoView() { this.scrolled = (this.scrolled ?? 0) + 1; } });
102 const tabs = [node('mr-tab-commits'), node('mr-tab-checks')];
103 const panels = [node('mr-commits'), node('mr-checks-panel')];
104 const footer = node('footer'); footer.querySelectorAll = () => panels;
105 const nav = node('tabs'); nav.querySelectorAll = () => tabs;
106 const listeners = {}, replaced = [];
107 globalThis.document = { querySelector: (s) => s === '.mr-footer' ? footer : s === '[data-mr-tabs]' ? nav : s === '#mr-ck' ? extra.summary ?? null : null,
108 querySelectorAll: (s) => s === '[data-mr-tabs] a' ? tabs : [], addEventListener(k, v) { listeners[k] = v; } };
109 globalThis.location = { hash: '', pathname: '/demo/merge-requests/1', search: '?x=1' };
110 globalThis.addEventListener = (k, v) => { listeners[k] = v; };
111 globalThis.history = { replaceState: (...args) => replaced.push(args) };
112 const restore = () => { for (const [k, v] of Object.entries(saved)) { if (v === undefined) delete globalThis[k]; else globalThis[k] = v; } };
113 const state = () => panels.map((p) => !p.hidden);
114 return { tabs, panels, footer, listeners, replaced, restore, state };
115}
116
117test('footer tabs: closed by default, toggle, switch, arrows, hash', () => {
118 const h = footerHarness();
119 try {
120 window.ermiteMR.panels();
121 assert.deepEqual(h.state(), [false, false], 'initially closed');
122 assert.equal(h.tabs[0].attrs['aria-expanded'], 'false');
123 assert.deepEqual(h.replaced, [], 'initial state leaves the URL alone');
124 h.tabs[1].events.click({ preventDefault() {} });
125 assert.deepEqual(h.state(), [false, true]);
126 assert.equal(h.tabs[1].attrs['aria-expanded'], 'true');
127 assert.deepEqual(h.replaced, [[null, '', '#mr-checks-panel']]);
128 location.hash = '#mr-checks-panel';
129 h.tabs[1].events.click({ preventDefault() {} });
130 assert.deepEqual(h.state(), [false, false], 'a second click closes');
131 assert.deepEqual(h.replaced.at(-1), [null, '', '/demo/merge-requests/1?x=1'], 'closing clears the fragment');
132 location.hash = '';
133 h.tabs[1].events.click({ preventDefault() {} });
134 h.tabs[0].events.click({ preventDefault() {} });
135 assert.deepEqual(h.state(), [true, false], 'the other tab switches');
136 h.tabs[0].events.keydown({ key: 'ArrowRight', preventDefault() {} });
137 assert.equal(h.tabs[1].focused, true, 'arrows move focus only');
138 assert.deepEqual(h.state(), [true, false]);
139 location.hash = '#mr-checks'; h.replaced.length = 0; h.listeners.hashchange();
140 assert.deepEqual(h.state(), [false, true], 'hash opens checks');
141 assert.deepEqual(h.replaced, [], 'hash navigation does not rewrite the URL');
142 location.hash = '#mr-commits'; h.listeners.hashchange();
143 assert.deepEqual(h.state(), [true, false]);
144 assert.equal(C.tabIndex('Home', 1, 2), 0);
145 assert.equal(C.tabIndex('End', 0, 2), 1);
146 assert.equal(C.tabIndex('ArrowLeft', 0, 2), 1);
147 assert.equal(C.tabIndex('Escape', 0, 2), null);
148 } finally { h.restore(); }
149});
150
151test('footer: #mr-ck syncs the checks label; its click opens Checks without toggling', () => {
152 const text0 = { v: '' }; let writes = 0;
153 const label = { get textContent() { return text0.v; }, set textContent(v) { writes++; text0.v = v; } };
154 const summary = { title: '1/2 failed', textContent: ' 1/2 ', parentElement: {} };
155 const h = footerHarness({ summary });
156 let observed = null, callback = null;
157 globalThis.MutationObserver = class { constructor(fn) { callback = fn; } observe(target, opts) { observed = [target, opts]; } };
158 const nav = document.querySelector('[data-mr-tabs]');
159 nav.querySelector = (s) => s === '[data-checks-label]' ? label : null;
160 try {
161 window.ermiteMR.panels();
162 assert.equal(label.textContent, '1/2 failed', 'initial label sync');
163 assert.equal(observed[0], summary.parentElement);
164 assert.deepEqual(observed[1], { childList: true }, 'only #mr-ck replacements wake the observer');
165 const before = writes; callback(); callback();
166 assert.equal(writes, before, 'an unchanged label is not written');
167 summary.title = ''; callback();
168 assert.equal(label.textContent, '1/2');
169 summary.textContent = ' '; callback();
170 assert.equal(label.textContent, 'no checks');
171 const click = { target: { closest: (s) => s === '#mr-ck' ? summary : null } };
172 h.listeners.click(click);
173 assert.deepEqual(h.state(), [false, true]);
174 h.listeners.click(click);
175 assert.deepEqual(h.state(), [false, true], 'a second badge click keeps it open');
176 } finally { h.restore(); }
177});
178
179test('footer: panels(index) restores the open panel without touching the URL', () => {
180 const h = footerHarness();
181 try {
182 location.hash = '#mr-commits';
183 window.ermiteMR.panels(1);
184 assert.deepEqual(h.state(), [false, true], 'a restore ignores the fragment');
185 assert.equal(h.tabs[1].attrs['aria-expanded'], 'true');
186 assert.deepEqual(h.replaced, []);
187 assert.equal(h.panels[0].scrolled, undefined, 'a restore does not scroll');
188 assert.equal(h.panels[1].scrolled, undefined);
189 location.hash = '';
190 window.ermiteMR.panels(-1);
191 assert.deepEqual(h.state(), [false, false]);
192 } finally { h.restore(); }
193});
194
195test('footer: scripts take over the panels; a fragment opens and scrolls to its panel', () => {
196 const h = footerHarness();
197 try {
198 location.hash = '#mr-checks';
199 window.ermiteMR.panels();
200 assert.equal(h.footer.attrs['data-panels'], '', 'the CSS fallback of the fragment stops');
201 assert.deepEqual(h.state(), [false, true]);
202 assert.equal(h.panels[1].scrolled, 1, 'the panel of the fragment is brought in');
203 location.hash = '#mr-commits'; h.listeners.hashchange();
204 assert.deepEqual(h.state(), [true, false]);
205 assert.equal(h.panels[0].scrolled, 1);
206 } finally { h.restore(); }
207});
208
209test('touch range: first tap anchors, second tap opens the sorted range', () => {
210 const base = 'https://forge.test/demo/merge-requests/1';
211 const first = base + '?on=new:24:a.go#f1';
212 const last = base + '?on=new:10:a.go#f1';
213 assert.deepEqual(C.touchRange(null, first, base), { start: first, url: null });
214 const result = C.touchRange(first, last, base);
215 assert.equal(result.start, null);
216 assert.equal(new URL(result.url).searchParams.get('on'), 'new:10-24:a.go');
217 assert.deepEqual(C.touchRange(first, first, base), { start: null, url: first });
218});
219
220test('touch range: a different file, side or request becomes a new anchor', () => {
221 const base = 'https://forge.test/demo/merge-requests/1';
222 const first = base + '?on=new:24:a.go#f1';
223 for (const next of [first.replace('new:', 'old:'), first.replace('a.go', 'b.go'), first.replace('/1?', '/2?')]) {
224 assert.deepEqual(C.touchRange(first, next, base), { start: next, url: null });
225 }
226});
227
228test('mobile unified fallback only redirects single-layout split pages and preserves query/hash', () => {
229 const href = 'https://forge.test/demo/merge-requests/1?view=split&from=25&on=new:3:a.go#f26';
230 assert.equal(C.mobileURL(href, 'split', false), null);
231 assert.equal(C.mobileURL(href, undefined, true), null, 'both layouts are switched by CSS');
232 assert.equal(C.mobileURL(href, 'unified', true), null, 'no redirect loop');
233 const url = new URL(C.mobileURL(href, 'split', true));
234 assert.equal(url.searchParams.get('view'), 'unified');
235 assert.equal(url.searchParams.get('from'), '25');
236 assert.equal(url.searchParams.get('on'), 'new:3:a.go');
237 assert.equal(url.hash, '#f26');
238});
239
240test('touch control: lazy links enable toolbar; ordinary taps pass through; ranges navigate and cancel', async () => {
241 const saved = Object.fromEntries(['document', 'location', 'addEventListener', 'localStorage', 'sessionStorage', 'fetch', 'matchMedia'].map((k) => [k, globalThis[k]]));
242 const make = () => ({
243 attrs: {}, events: {}, children: [], textContent: '',
244 setAttribute(k, v) { this.attrs[k] = v; },
245 removeAttribute(k) { delete this.attrs[k]; },
246 addEventListener(k, fn) { this.events[k] = fn; },
247 append(...nodes) { this.children.push(...nodes); },
248 prepend(node) { this.children.unshift(node); },
249 querySelector() { return null; }, querySelectorAll() { return []; },
250 });
251 const diffs = make();
252 diffs.dataset = { diff: 'split' };
253 const base = 'https://forge.test/demo/merge-requests/1';
254 const line = (n) => Object.assign(make(), { href: `${base}?on=new:${n}:a.go#f1`, textContent: String(n) });
255 const a = line(20), b = line(10);
256 let loaded = false;
257 diffs.querySelector = () => loaded ? a : null;
258 let assigned = null;
259 globalThis.document = {
260 querySelector: (sel) => sel === '#diffs[data-mr]' || sel === '#diffs' ? diffs : null,
261 querySelectorAll: () => [], createElement: (tag) => tag === 'template' ? { content: { querySelectorAll: () => [] } } : make(),
262 };
263 globalThis.location = { href: base, pathname: '/demo/merge-requests/1', hash: '', assign(url) { assigned = url; } };
264 globalThis.addEventListener = () => {};
265 const changes = {};
266 const medias = {};
267 globalThis.matchMedia = (q) => medias[q] ??= { matches: true, addEventListener(type, fn) { changes[q] = fn; } };
268 const media = globalThis.matchMedia('(max-width: 720px)');
269 const touchQuery = '(pointer: coarse), (hover: none)';
270 const resize = () => changes['(max-width: 720px)']();
271 globalThis.fetch = async () => { loaded = true; return { ok: true, status: 200, text: async () => '' }; };
272 globalThis.localStorage = globalThis.sessionStorage = { getItem: () => null };
273 const click = (link, modifiers = {}) => {
274 const e = { target: { closest: () => link }, prevented: false, stopped: false,
275 preventDefault() { this.prevented = true; }, stopPropagation() { this.stopped = true; }, ...modifiers };
276 diffs.events.click(e);
277 return e;
278 };
279 try {
280 window.ermiteMR.start();
281 const bar = diffs.children[0];
282 const [button, status] = bar.children;
283 assert.equal(bar.hidden, true, 'no commentable links in the initial window');
284 assert.equal(typeof diffs.events.click, 'function', 'delegation installed before lazy load');
285 await window.ermiteMR.load({ dataset: { src: '/files?from=25' } });
286 assert.equal(bar.hidden, false, 'lazy window refresh reveals range control');
287 assert.equal(diffs.dataset.mobile, 'true');
288 assert.equal(diffs.dataset.diff, 'split', 'preferred layout is retained');
289 media.matches = false;
290 resize();
291 assert.equal(diffs.dataset.mobile, 'false', 'desktop menu returns to preferred layout');
292 assert.equal(diffs.dataset.diff, 'split');
293 assert.equal(click(a).prevented, false, 'normal single-line navigation is untouched');
294 button.events.click();
295 assert.equal(button.attrs['aria-pressed'], 'true');
296 assert.equal(click(a, { shiftKey: true }).prevented, false, 'desktop range selection is untouched');
297 const event = click(a);
298 assert.equal(event.prevented, true);
299 assert.equal(event.stopped, true);
300 assert.ok('data-range-start' in a.attrs);
301 assert.match(status.textContent, /20/);
302 click(b);
303 assert.equal(new URL(assigned).searchParams.get('on'), 'new:10-20:a.go');
304 assert.equal('data-range-start' in a.attrs, false);
305 click(a);
306 button.events.click();
307 assert.equal(button.attrs['aria-pressed'], 'false');
308 assert.equal(status.textContent, '');
309 assert.equal('data-range-start' in a.attrs, false);
310 assert.equal(click(b).prevented, false);
311 // The touch media query stops matching: range mode is switched off.
312 button.events.click();
313 click(a);
314 assert.equal(button.attrs['aria-pressed'], 'true');
315 assert.ok('data-range-start' in a.attrs);
316 medias[touchQuery].matches = false;
317 changes[touchQuery]();
318 assert.equal(button.attrs['aria-pressed'], 'false');
319 assert.equal(status.textContent, '');
320 assert.equal('data-range-start' in a.attrs, false);
321 assert.equal(click(b).prevented, false, 'clicks pass through once touch stops matching');
322 } finally {
323 for (const [k, v] of Object.entries(saved)) {
324 if (v === undefined) delete globalThis[k]; else globalThis[k] = v;
325 }
326 }
327});
328
329// Deterministic timers: no sleeps, and each test restores every mocked global.
330function clock() {
331 const saved = { setTimeout: globalThis.setTimeout, clearTimeout: globalThis.clearTimeout };
332 const tasks = new Map(); let n = 0, now = 0;
333 globalThis.setTimeout = (fn, delay = 0) => { tasks.set(++n, { fn, at: now + delay }); return n; };
334 globalThis.clearTimeout = (id) => tasks.delete(id);
335 return { async tick(ms = 300) { now += ms; const batch = [...tasks].filter(([, t]) => t.at <= now); for (const [id] of batch) tasks.delete(id); for (const [, t] of batch) await t.fn(); },
336 size: () => tasks.size, restore() { Object.assign(globalThis, saved); } };
337}
338
339test('head refresh defers a real textarea draft, resumes after emptying and blurring', async () => {
340 const saved = globalThis.document, c = clock();
341 const text = { value: 'unsent', defaultValue: '' };
342 let fetched = 0, applied = 0; const notices = [];
343 globalThis.document = { activeElement: text, querySelectorAll: () => [text] };
344 const r = window.ermiteMR.refresher({ blocked: window.ermiteMR.hasDraft,
345 fetchPage: async () => { fetched++; return 'page'; }, apply: () => applied++,
346 notice: (v) => notices.push(v), failed: () => assert.fail('unexpected fallback') });
347 try {
348 r.request(); await c.tick();
349 assert.equal(fetched, 0); assert.deepEqual(notices, [true]);
350 text.value = ''; r.resume(); await c.tick();
351 assert.equal(fetched, 0, 'focus still protects an empty draft');
352 document.activeElement = null; r.resume(); await c.tick();
353 assert.equal(fetched, 1); assert.equal(applied, 1); assert.equal(r.pending(), false);
354 } finally { globalThis.document = saved; c.restore(); }
355});
356
357test('head refresh debounces bursts, serializes requests, and reruns after an in-flight push', async () => {
358 const c = clock(); let fetched = 0, applied = 0, resolve;
359 const r = window.ermiteMR.refresher({ blocked: () => false,
360 fetchPage: () => { fetched++; return new Promise((r) => { resolve = r; }); },
361 apply: () => applied++, notice() {}, failed: () => assert.fail('unexpected failure') });
362 try {
363 r.request(); r.request(); r.request(); assert.equal(c.size(), 1);
364 await c.tick(299); assert.equal(fetched, 0);
365 await c.tick(0); assert.equal(fetched, 0);
366 const first = c.tick(1); assert.equal(fetched, 1);
367 r.request(); await c.tick(); assert.equal(fetched, 1, 'one fetch in flight');
368 resolve('one'); await first; assert.equal(applied, 1); assert.equal(c.size(), 1);
369 const second = c.tick(); assert.equal(fetched, 2); resolve('two'); await second;
370 assert.equal(applied, 2); assert.equal(c.size(), 0);
371 } finally { c.restore(); }
372});
373
374test('typing during fetch defers even manual refresh until the draft ends', { timeout: 2000 }, async () => {
375 const c = clock(); let blocked = false, applied = 0, resolve, fetched = 0; const notices = [];
376 const r = window.ermiteMR.refresher({ blocked: () => blocked,
377 fetchPage: () => { fetched++; return new Promise((r) => { resolve = r; }); }, apply: () => { applied++; },
378 notice: (v) => notices.push(v), failed: () => assert.fail('unexpected failure') });
379 try {
380 r.request(); const first = c.tick(); blocked = true; resolve('page'); await first;
381 assert.equal(applied, 0); assert.deepEqual(notices, [true]);
382 r.request(true); const manual = c.tick();
383 assert.equal(fetched, 1, 'manual refresh must not start a fetch during a draft');
384 await manual; assert.equal(applied, 0);
385 blocked = false; r.resume(); const second = c.tick(); resolve('new page'); await second;
386 assert.equal(applied, 1); assert.equal(notices.at(-1), false);
387 } finally { c.restore(); }
388});
389
390test('fetch failures and non-MR responses take the fallback, never apply', async () => {
391 const saved = { fetch: globalThis.fetch, location: globalThis.location, DOMParser: globalThis.DOMParser };
392 const c = clock(); let fallback = 0;
393 globalThis.location = { href: 'https://forge.test/demo/merge-requests/1?view=split&from=25' };
394 const r = window.ermiteMR.refresher({ blocked: () => false, fetchPage: window.ermiteMR.fetchPage,
395 apply: () => assert.fail('must not swap'), notice() {}, failed: () => fallback++ });
396 try {
397 for (const result of ['network', { ok: false }, { ok: true, redirected: true }, { ok: true, text: async () => '<html>login</html>' }]) {
398 globalThis.fetch = async (url, opts) => {
399 assert.equal(url, location.href); assert.equal(opts.credentials, 'same-origin');
400 if (result === 'network') throw new Error('offline'); return result;
401 };
402 globalThis.DOMParser = class { parseFromString() { return { querySelector: () => null }; } };
403 r.request(); await c.tick();
404 }
405 assert.equal(fallback, 4);
406 } finally {
407 for (const [k,v] of Object.entries(saved)) { if (v === undefined) delete globalThis[k]; else globalThis[k] = v; }
408 c.restore();
409 }
410});
411
412test('viewport probe finds a stable path/side/line and restores its offset without line scans', () => {
413 const names = ['document', 'location', 'innerHeight', 'innerWidth', 'scrollY', 'scrollBy', 'scrollTo', 'CSS', 'matchMedia'];
414 const saved = Object.fromEntries(names.map((k) => [k, globalThis[k]]));
415 const rect = (top, bottom = top + 20) => ({ top, bottom, left: 0, width: 900 });
416 let lineTop = 160, headerTop = -200, found = true; const calls = [];
417 const header = { getBoundingClientRect: () => rect(headerTop) };
418 const row = { getBoundingClientRect: () => rect(lineTop), querySelector: () => link };
419 const link = { href: 'https://forge.test/demo/merge-requests/1?on=new:42:a.go#f2', closest: () => row, getAttribute: () => link.href };
420 const file = { getBoundingClientRect: () => rect(headerTop), id: 'f2', dataset: { file: 'a.go' }, querySelector: (s) => s.includes('summary') ? header : s.includes('href$') ? (assert.ok(s.includes('on=new:42:a.go#f3')), found ? link : null) : null };
421 const hit = { closest: (s) => s === 'tr' ? row : file };
422 const diffs = { dataset: { diff: 'unified' }, getBoundingClientRect: () => rect(120), contains: () => true };
423 globalThis.document = {
424 querySelector: (s) => s === '#diffs' ? diffs : s === '.hdr' ? { getBoundingClientRect: () => rect(0, 100) } : null,
425 querySelectorAll: (s) => { assert.equal(s, '#diffs details.dfile', 'only files, never every line'); return found === 'gone' ? [] : [file]; },
426 elementFromPoint: () => hit, documentElement: { scrollHeight: 10000 },
427 };
428 Object.assign(globalThis, { location: { href: link.href }, innerHeight: 800, innerWidth: 1200, scrollY: 2500,
429 scrollBy: (arg) => calls.push(['by', arg]), scrollTo: (arg) => calls.push(['to', arg]), CSS: { escape: (s) => s }, matchMedia: () => ({ matches: false }) });
430 try {
431 const a = window.ermiteMR.scrollAnchor();
432 assert.equal(a.file, 'a.go'); assert.equal(a.on, 'new:42:a.go'); assert.equal(a.offset, 160);
433 file.id = 'f3'; lineTop = 260; window.ermiteMR.restoreAnchor(a);
434 assert.deepEqual(calls.pop(), ['by', { top: 100, behavior: 'instant' }]);
435 found = false; headerTop = -100; window.ermiteMR.restoreAnchor(a);
436 assert.deepEqual(calls.pop(), ['by', { top: 100, behavior: 'instant' }]);
437 found = 'gone'; window.ermiteMR.restoreAnchor({ ...a, y: 20000 });
438 assert.deepEqual(calls.pop(), ['to', { top: 9200, behavior: 'instant' }]);
439 } finally { for (const [k,v] of Object.entries(saved)) { if (v === undefined) delete globalThis[k]; else globalThis[k] = v; } }
440});
441
442test('empty edited default and focused cform controls protect drafts', () => {
443 const saved = document;
444 try {
445 globalThis.document = { querySelectorAll: () => [{ value: '', defaultValue: 'existing' }], activeElement: null };
446 assert.equal(window.ermiteMR.hasDraft(), true);
447 document.querySelectorAll = () => [];
448 document.activeElement = { closest: (s) => s === '.cform' ? {} : null };
449 assert.equal(window.ermiteMR.hasDraft(), true);
450 } finally { globalThis.document = saved; }
451});
452
453test('failure during a draft keeps pending and resumes after the draft ends', async () => {
454 const c = clock(); let blocked = false, reject, applied = 0, count = 0;
455 const r = window.ermiteMR.refresher({ blocked: () => blocked,
456 fetchPage: () => ++count === 1 ? new Promise((_, no) => { reject = no; }) : Promise.resolve('page'),
457 apply: () => applied++, notice() {}, failed: () => assert.fail('draft must defer fallback') });
458 try {
459 r.request(); const first = c.tick(); blocked = true; reject(new Error('offline')); await first;
460 assert.equal(r.pending(), true); assert.equal(applied, 0);
461 blocked = false; r.resume(); await c.tick(); assert.equal(applied, 1);
462 } finally { c.restore(); }
463});
464
465test('anchor restoration retains the server encoding of tilde and star paths', () => {
466 const saved = { document, CSS: globalThis.CSS, scrollBy: globalThis.scrollBy };
467 try {
468 globalThis.CSS = { escape: (s) => s };
469 globalThis.scrollBy = () => {};
470 for (const path of ['a~.go', 'a*.go']) {
471 const encoded = path.replace('*', '%2A');
472 const row = { getBoundingClientRect: () => ({ top: 5 }) };
473 const file = { id: 'f9', dataset: { file: path }, querySelector: (s) => {
474 if (s === '.dt.uni') return file;
475 assert.equal(s, 'a[href$="on=new:12:' + encoded + '#f9"]');
476 return { closest: () => row };
477 } };
478 globalThis.document = { querySelectorAll: () => [file], querySelector: () => ({ dataset: { diff: 'unified' } }) };
479 window.ermiteMR.restoreAnchor({ file: path, suffix: 'new:12:' + encoded, on: 'new:12:' + path, offset: 5 });
480 }
481 } finally { Object.assign(globalThis, saved); }
482});
483
484for (const control of [
485 { type: 'radio', checked: true, defaultChecked: false },
486 { type: 'checkbox', checked: false, defaultChecked: true },
487 { type: 'number', name: 'start_line', value: '10', defaultValue: '12' },
488 { tagName: 'SELECT', options: [{ selected: true, defaultSelected: false }] },
489]) test(`changed ${control.name || control.type || control.tagName} remains a draft after blur`, () => {
490 const saved = document;
491 try {
492 globalThis.document = { activeElement: null, querySelectorAll(sel) {
493 assert.equal(sel, ':is(form.cform, .cmt form, form.d-acts) :is(textarea, input, select)');
494 return [control];
495 } };
496 assert.equal(window.ermiteMR.hasDraft(), true);
497 } finally { globalThis.document = saved; }
498});
499
500test('intercepted Cancel resets the entire comment form', () => {
501 const saved = Object.fromEntries(['document', 'location', 'addEventListener', 'matchMedia'].map(k => [k, globalThis[k]]));
502 const c = clock(), handlers = {};
503 const diffs = { dataset: { view: 'split' }, querySelector() { return null; }, querySelectorAll() { return []; } };
504 const radio = { type: 'radio', checked: true, defaultChecked: false };
505 const line = { type: 'number', value: '2', defaultValue: '4' };
506 let reset = 0, prevented = false;
507 const form = { reset() { reset++; radio.checked = radio.defaultChecked; line.value = line.defaultValue; }, contains() { return false; } };
508 const cancel = { closest: () => form };
509 globalThis.document = { activeElement: null,
510 querySelector: s => ['#diffs', '#diffs[data-mr]'].includes(s) ? diffs : null,
511 querySelectorAll: s => s.includes('form.cform') ? [radio, line] : [],
512 addEventListener: (type, fn) => { handlers[type] = fn; } };
513 globalThis.location = { pathname: '/demo/merge-requests/1', hash: '', href: 'https://forge.test/demo/merge-requests/1', replace() {} };
514 globalThis.addEventListener = () => {};
515 globalThis.matchMedia = () => ({ matches: true, addEventListener() {} });
516 try {
517 window.ermiteMR.start();
518 window.ermiteMR.headChanged();
519 handlers.click({ target: { closest: () => cancel }, preventDefault() { prevented = true; } });
520 assert.equal(prevented, true);
521 assert.equal(reset, 1);
522 assert.equal(window.ermiteMR.hasDraft(), false);
523 } finally { Object.assign(globalThis, saved); c.restore(); }
524});