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opusdev/vector-similarity-api

sourceHugging Faceupdated 5mo agoView on Hugging Face
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test.js81 linesDownload Raw Back to memory-pager
1var tape = require('tape')2var pager = require('./')3 4tape('get page', function (t) {5  var pages = pager(1024)6 7  var page = pages.get(0)8 9  t.same(page.offset, 0)10  t.same(page.buffer, Buffer.alloc(1024))11  t.end()12})13 14tape('get page twice', function (t) {15  var pages = pager(1024)16  t.same(pages.length, 0)17 18  var page = pages.get(0)19 20  t.same(page.offset, 0)21  t.same(page.buffer, Buffer.alloc(1024))22  t.same(pages.length, 1)23 24  var other = pages.get(0)25 26  t.same(other, page)27  t.end()28})29 30tape('get no mutable page', function (t) {31  var pages = pager(1024)32 33  t.ok(!pages.get(141, true))34  t.ok(pages.get(141))35  t.ok(pages.get(141, true))36 37  t.end()38})39 40tape('get far out page', function (t) {41  var pages = pager(1024)42 43  var page = pages.get(1000000)44 45  t.same(page.offset, 1000000 * 1024)46  t.same(page.buffer, Buffer.alloc(1024))47  t.same(pages.length, 1000000 + 1)48 49  var other = pages.get(1)50 51  t.same(other.offset, 1024)52  t.same(other.buffer, Buffer.alloc(1024))53  t.same(pages.length, 1000000 + 1)54  t.ok(other !== page)55 56  t.end()57})58 59tape('updates', function (t) {60  var pages = pager(1024)61 62  t.same(pages.lastUpdate(), null)63 64  var page = pages.get(10)65 66  page.buffer[42] = 167  pages.updated(page)68 69  t.same(pages.lastUpdate(), page)70  t.same(pages.lastUpdate(), null)71 72  page.buffer[42] = 273  pages.updated(page)74  pages.updated(page)75 76  t.same(pages.lastUpdate(), page)77  t.same(pages.lastUpdate(), null)78 79  t.end()80})81