Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 111x 15x 15x 1x 1x 1x 14x 14x 14x 15x 111x 11x 11x 11x 111x 111x 5x 5x 5x 5x 111x 22x 22x 22x 22x 111x 111x 111x 111x 111x 5x 5x 5x 1x 1x 5x 5x 5x 5x 5x 5x 111x 22x 22x 10x 10x 22x 1x 1x 1x 11x 11x 11x 16x 5x 5x 5x 5x 5x 5x 10x 10x 10x 10x 10x 10x 5x 21x 6x 6x 6x 6x 11x 22x 111x 111x 22x 22x 22x 22x 22x 22x 22x 5x 15x 9x 9x 9x 9x 1x 1x 22x 111x 111x | 'use strict'; const { ArrayPrototypeJoin, ArrayPrototypeMap, ArrayPrototypeSlice, RegExp, SafeMap, SafeSet, StringPrototypeSplit, StringPrototypeReplace, Symbol, } = primordials; const { codes: { ERR_ASSERT_SNAPSHOT_NOT_SUPPORTED } } = require('internal/errors'); const AssertionError = require('internal/assert/assertion_error'); const { inspect } = require('internal/util/inspect'); const { getOptionValue } = require('internal/options'); const { validateString } = require('internal/validators'); const { once } = require('events'); const { createReadStream, createWriteStream } = require('fs'); const path = require('path'); const assert = require('assert'); const kUpdateSnapshot = getOptionValue('--update-assert-snapshot'); const kInitialSnapshot = Symbol('kInitialSnapshot'); const kDefaultDelimiter = '\n#*#*#*#*#*#*#*#*#*#*#*#\n'; const kDefaultDelimiterRegex = new RegExp(kDefaultDelimiter.replaceAll('*', '\\*').replaceAll('\n', '\r?\n'), 'g'); const kKeyDelimiter = /:\r?\n/g; function getSnapshotPath() { if (process.mainModule) { const { dir, name } = path.parse(process.mainModule.filename); return path.join(dir, `${name}.snapshot`); } if (!process.argv[1]) { throw new ERR_ASSERT_SNAPSHOT_NOT_SUPPORTED(); } const { dir, name } = path.parse(process.argv[1]); return path.join(dir, `${name}.snapshot`); } function getSource() { return createReadStream(getSnapshotPath(), { encoding: 'utf8' }); } let _target; function getTarget() { _target ??= createWriteStream(getSnapshotPath(), { encoding: 'utf8' }); return _target; } function serializeName(name) { validateString(name, 'name'); return StringPrototypeReplace(`${name}`, kKeyDelimiter, '_'); } let writtenNames; let snapshotValue; let counter = 0; async function writeSnapshot({ name, value }) { const target = getTarget(); if (counter > 1) { target.write(kDefaultDelimiter); } writtenNames = writtenNames || new SafeSet(); if (writtenNames.has(name)) { throw new AssertionError({ message: `Snapshot "${name}" already used` }); } writtenNames.add(name); const drained = target.write(`${name}:\n${value}`); await drained || once(target, 'drain'); } async function getSnapshot() { if (snapshotValue !== undefined) { return snapshotValue; } if (kUpdateSnapshot) { snapshotValue = kInitialSnapshot; return kInitialSnapshot; } try { const source = getSource(); let data = ''; for await (const line of source) { data += line; } snapshotValue = new SafeMap( ArrayPrototypeMap( StringPrototypeSplit(data, kDefaultDelimiterRegex), (item) => { const arr = StringPrototypeSplit(item, kKeyDelimiter); return [ arr[0], ArrayPrototypeJoin(ArrayPrototypeSlice(arr, 1), ':\n'), ]; } )); } catch (e) { if (e.code === 'ENOENT') { snapshotValue = kInitialSnapshot; } else { throw e; } } return snapshotValue; } async function snapshot(input, name) { const snapshot = await getSnapshot(); counter = counter + 1; name = serializeName(name); const value = inspect(input); if (snapshot === kInitialSnapshot) { await writeSnapshot({ name, value }); } else if (snapshot.has(name)) { const expected = snapshot.get(name); // eslint-disable-next-line no-restricted-syntax assert.strictEqual(value, expected); } else { throw new AssertionError({ message: `Snapshot "${name}" does not exist`, actual: inspect(snapshot) }); } } module.exports = snapshot; |