238 lines
9.6 KiB
Go
238 lines
9.6 KiB
Go
package latest
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import "testing"
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// Trimmed from https://asurascans.com/comics/chronicles-of-the-demon-faction-f886a8af
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// fetched 2026-07-26. The first anchor is the "First Chapter" shortcut: it is a
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// real chapter link with no "Chapter N" text, and it must not be mistaken for
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// the latest just because it parses.
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const asuraSeriesFixture = `
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<a href="/comics/chronicles-of-the-demon-faction-f886a8af/chapter/1" class="py-3 rounded-md bg-[#E8E8E8]"><svg class="w-4 h-4"></svg>First Chapter</a>
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<a href="/comics/chronicles-of-the-demon-faction-f886a8af/chapter/179" data-astro-prefetch="hover" class="group flex"><span class="font-medium">Chapter 179</span></a>
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<a href="/comics/chronicles-of-the-demon-faction-f886a8af/chapter/181" data-astro-prefetch="hover" class="group flex"><span class="font-medium">Chapter 181</span></a>
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<a href="/comics/chronicles-of-the-demon-faction-f886a8af/chapter/180" data-astro-prefetch="hover" class="group flex"><span class="font-medium">Chapter 180</span></a>
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`
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// A chapter link belonging to a different series, of the kind a "you might also
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// like" strip would introduce. Slug scoping must exclude it.
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const asuraCrossSeriesFixture = asuraSeriesFixture + `
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<a href="/comics/some-other-series-aabbccdd/chapter/999" class="group flex"><span>Chapter 999</span></a>
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`
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// Trimmed from https://demonicscans.org/manga/Catastrophic-Necromancer fetched
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// 2026-07-26. Note the raw "&", the doubled space after <a, and the decimal
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// chapters, all as they appear live.
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const demonicSeriesFixture = `
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<a href="/chaptered.php?manga=11799&chapter=0.5" class="chplinks" title="Catastrophic Necromancer 0.5">Chapter 0.5</a>
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<a href="/chaptered.php?manga=11799&chapter=294" class="chplinks" title="Catastrophic Necromancer 294">Chapter 294</a>
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<a href="/chaptered.php?manga=11799&chapter=296" class="chplinks" title="Catastrophic Necromancer 296">Chapter 296</a>
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<a href="/chaptered.php?manga=11799&chapter=295" class="chplinks" title="Catastrophic Necromancer 295">Chapter 295</a>
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`
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// What Cloudflare serves instead of the page when an IP's bot score flips.
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const challengeFixture = `<!DOCTYPE html><html><head><title>Just a moment...</title>
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<script src="/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1"></script></head>
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<body><div id="challenge-running">Checking your browser</div></body></html>`
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// Trimmed from the server-rendered HTML of
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// https://comix.to/title/n8we-dungeons-and-crayons fetched 2026-08-03. comix is
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// an SPA: the page ships a JSON state blob rather than a list of chapter
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// anchors, and latestChapterUrl is where the newest chapter actually lives.
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const comixSeriesFixture = `
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{"firstChapterUrl":"/title/n8we-dungeons-and-crayons/5038739-chapter-1","latestChapterUrl":"/title/n8we-dungeons-and-crayons/11139891-chapter-80"},
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{""manga","recommended","n8we",1]":{"items":[{"latestChapterUrl":"/title/qqwrm-full-time-awakening/99999999-chapter-999"}]}
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`
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// The kagane branch is fed by the browser fetcher, so the body is API JSON, not
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// HTML. Trimmed from GET /api/v2/series/<uuid> on 2026-08-03.
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const kaganeAPIFixture = `
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{"series_id":"019f84bc-9ba0-7ed9-86f5-8b905ec7c28b","title":"Infinite Decryption",
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"series_books":[{"book_id":"a","title":"Episode 1","chapter_no":"1","sort_no":1},
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{"book_id":"b","title":"Episode 41","chapter_no":"41","sort_no":41},
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{"book_id":"c","title":"Episode 40.5","chapter_no":"40.5","sort_no":40}]}
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`
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// Trimmed from https://novelfull.com/reverend-insanity.html fetched 2026-08-05.
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// The page carries a newest-first "latest chapters" widget above an
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// oldest-first paginated list, so the newest anchor is deliberately NOT last —
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// only a maximum finds it. The final anchor belongs to another series and must
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// be excluded by slug scoping.
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const novelfullSeriesFixture = `
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<div class="l-chapters">
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<a href="/reverend-insanity/chapter-2334-fang-yuan-and-giant-sun.html">Chapter 2334</a>
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<a href="/reverend-insanity/chapter-2333-three-venerables.html">Chapter 2333</a>
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</div>
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<ul class="list-chapter">
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<li><a href="/reverend-insanity/chapter-1.html">Chapter 1</a></li>
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<li><a href="/reverend-insanity/chapter-2.html">Chapter 2</a></li>
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</ul>
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<a href="/release-that-witch/chapter-9999.html">Chapter 9999</a>
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`
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// Trimmed from https://lightnovelworld.net/novel/a-will-eternal/ fetched
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// 2026-08-05. Its chapter anchors are absolute and flat — /<slug>-chapter-<n>/
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// at the site root, not under /novel/. The last anchor is another series'.
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const lnwSeriesFixture = `
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<a href="https://lightnovelworld.net/a-will-eternal-chapter-1/">Chapter 1</a>
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<a href="https://lightnovelworld.net/a-will-eternal-chapter-1317/">Chapter 1317</a>
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<a href="https://lightnovelworld.net/a-will-eternal-chapter-1298/">Chapter 1298</a>
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<a href="https://lightnovelworld.net/overgeared-chapter-9999/">Chapter 9999</a>
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`
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func TestLatestChapterFrom(t *testing.T) {
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const asuraURL = "https://asurascans.com/comics/chronicles-of-the-demon-faction-f886a8af"
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const demonicURL = "https://demonicscans.org/manga/Catastrophic-Necromancer"
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tests := []struct {
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name string
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site string
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seriesURL string
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body string
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wantOK bool
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wantNum float64
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wantLabel string
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}{
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{
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name: "asura takes the max, not the last listed",
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site: "asura", seriesURL: asuraURL, body: asuraSeriesFixture,
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wantOK: true, wantNum: 181, wantLabel: "Chapter 181",
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},
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{
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name: "asura ignores another series' chapter links",
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site: "asura", seriesURL: asuraURL, body: asuraCrossSeriesFixture,
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wantOK: true, wantNum: 181, wantLabel: "Chapter 181",
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},
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{
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name: "asura scoping survives a build-hash rotation",
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site: "asura",
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seriesURL: "https://asurascans.com/comics/chronicles-of-the-demon-faction-059befe1",
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body: asuraCrossSeriesFixture,
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wantOK: true, wantNum: 181, wantLabel: "Chapter 181",
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},
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{
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name: "asura with an unparseable series url",
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site: "asura", seriesURL: "https://asurascans.com/", body: asuraSeriesFixture,
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wantOK: false,
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},
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{
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name: "demonic takes the max across raw and escaped ampersands",
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site: "demonic", seriesURL: demonicURL, body: demonicSeriesFixture,
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wantOK: true, wantNum: 296, wantLabel: "Chapter 296",
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},
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{
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name: "demonic keeps decimal chapters parseable",
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site: "demonic", seriesURL: demonicURL,
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body: `<a href="/chaptered.php?manga=11799&chapter=0.5">Chapter 0.5</a>`,
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wantOK: true, wantNum: 0.5, wantLabel: "Chapter 0.5",
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},
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{
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name: "empty body",
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site: "asura", seriesURL: asuraURL, body: "",
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wantOK: false,
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},
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{
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name: "cloudflare challenge page",
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site: "asura", seriesURL: asuraURL, body: challengeFixture,
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wantOK: false,
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},
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{
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name: "demonic markup handed to the asura rule",
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site: "asura", seriesURL: asuraURL, body: demonicSeriesFixture,
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wantOK: false,
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},
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{
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name: "unknown site",
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site: "mangadex", seriesURL: "https://example.com/x", body: asuraSeriesFixture,
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wantOK: false,
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},
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{
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name: "comix reads latestChapterUrl, scoped to this series",
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site: "comix",
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seriesURL: "https://comix.to/title/n8we-dungeons-and-crayons",
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body: comixSeriesFixture,
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wantOK: true, wantNum: 80, wantLabel: "Chapter 80",
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},
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{
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name: "comix yields nothing on a challenge page",
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site: "comix",
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seriesURL: "https://comix.to/title/n8we-dungeons-and-crayons",
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body: challengeFixture,
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wantOK: false,
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},
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{
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name: "kagane takes the max chapter_no from API json",
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site: "kagane",
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seriesURL: "https://kagane.to/series/019f84bc-9ba0-7ed9-86f5-8b905ec7c28b",
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body: kaganeAPIFixture,
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wantOK: true, wantNum: 41, wantLabel: "Chapter 41",
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},
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{
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name: "kagane yields nothing on a challenge page",
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site: "kagane",
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seriesURL: "https://kagane.to/series/019f84bc-9ba0-7ed9-86f5-8b905ec7c28b",
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body: challengeFixture,
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wantOK: false,
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},
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{
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name: "novelfull takes the max and ignores another series",
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site: "novelfull",
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seriesURL: "https://novelfull.com/reverend-insanity.html",
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body: novelfullSeriesFixture,
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wantOK: true, wantNum: 2334, wantLabel: "Chapter 2334",
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},
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{
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name: "novelfull yields nothing on a challenge page",
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site: "novelfull",
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seriesURL: "https://novelfull.com/reverend-insanity.html",
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body: challengeFixture,
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wantOK: false,
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},
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{
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name: "novelfull with an unparseable series url",
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site: "novelfull",
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seriesURL: "https://novelfull.com/genre/Fantasy",
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body: novelfullSeriesFixture,
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wantOK: false,
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},
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{
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name: "lightnovelworld takes the max and ignores another series",
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site: "lightnovelworld",
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seriesURL: "https://lightnovelworld.net/novel/a-will-eternal/",
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body: lnwSeriesFixture,
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wantOK: true, wantNum: 1317, wantLabel: "Chapter 1317",
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},
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{
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name: "lightnovelworld tolerates a series url with no trailing slash",
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site: "lightnovelworld",
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seriesURL: "https://lightnovelworld.net/novel/a-will-eternal",
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body: lnwSeriesFixture,
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wantOK: true, wantNum: 1317, wantLabel: "Chapter 1317",
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},
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{
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name: "lightnovelworld yields nothing on a challenge page",
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site: "lightnovelworld",
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seriesURL: "https://lightnovelworld.net/novel/a-will-eternal/",
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body: challengeFixture,
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wantOK: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, ok := latestChapterFrom(tt.site, tt.seriesURL, tt.body)
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if ok != tt.wantOK {
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t.Fatalf("ok = %v, want %v (got %+v)", ok, tt.wantOK, got)
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}
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if !tt.wantOK {
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return
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}
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if got.Num != tt.wantNum {
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t.Errorf("Num = %v, want %v", got.Num, tt.wantNum)
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}
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if got.Label != tt.wantLabel {
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t.Errorf("Label = %q, want %q", got.Label, tt.wantLabel)
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}
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})
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}
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}
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