wehub-resource-sync
126 lines
4.3 KiB
JavaScript
126 lines
4.3 KiB
JavaScript
import test from 'tape'
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import nlp from '../_lib.js'
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const here = '[two/blocks] '
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test('optional OR block', function (t) {
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let m = nlp('start two end').match('start (one|two) end')
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t.equal(m.text(), 'start two end', here + 'normal OR')
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m = nlp('start two end').match('start (one|two)? end')
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t.equal(m.text(), 'start two end', here + 'optional OR found')
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m = nlp('start end').match('start (one|two)? end')
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t.equal(m.text(), 'start end', here + 'optional OR not-found')
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m = nlp('start seven end').match('start (one|two)? end')
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t.equal(m.text(), '', here + 'optional OR missing')
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m = nlp('start three four end').match('start (one|two eight seven|three four)? end')
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t.equal(m.text(), 'start three four end', here + 'optional multi-OR found')
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m = nlp('start three four end').match('start (one|two|three seven)? end')
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t.equal(m.text(), '', here + 'optional multi-OR not-found')
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m = nlp('start three four end').match('start (foo|bar|#Value .)? end')
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t.equal(m.text(), 'start three four end', here + 'optional complex-block found')
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m = nlp('start three four end').match('start (foo|bar|wrong #Value)? end')
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t.equal(m.text(), '', here + 'optional complex-block not-found')
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t.end()
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})
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test('single OR block', function (t) {
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let m = nlp('start three four end').match('start (#Value four) end')
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t.equal(m.text(), 'start three four end', here + 'single complex-block found')
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m = nlp('start three four end').match('start (#Value four)? end')
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t.equal(m.text(), 'start three four end', here + 'single optional complex-block found')
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t.end()
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})
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test('not block', function (t) {
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const doc = nlp('before two words after')
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let m = doc.match(`before (#Value words) after`)
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t.equal(m.text(), 'before two words after', here + 'normally matches')
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m = doc.match(`before !(#Value words) after`)
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t.equal(m.text(), '', here + 'negative doesnt match')
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m = doc.match(`before (two && #Value) words after`)
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t.equal(m.text(), 'before two words after', here + 'AND matches')
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m = doc.match(`before !(two && #Value) words after`)
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t.equal(m.text(), '', here + 'negative AND doesnt match')
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m = doc.match(`before (foo|two|#Person) words after`)
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t.equal(m.text(), 'before two words after', here + 'OR matches')
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m = doc.match(`before !(foo|two|#Person) words after`)
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t.equal(m.text(), '', here + 'negative OR doesnt match')
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t.end()
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})
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test('greedy inside a block', function (t) {
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let doc = nlp('and foo foo')
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let m = doc.match('(and foo+)')
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t.equal(m.text(), 'and foo foo', here + 'greedy found two')
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doc = nlp('and foo foo foo bar foo ')
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m = doc.match('(and foo+)')
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t.equal(m.text(), 'and foo foo foo', here + 'greedy found three')
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doc = nlp('and foo otherwise foo')
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m = doc.match('(and foo+)')
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t.equal(m.text(), 'and foo', here + 'greedy found once')
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doc = nlp('and otherwise foo foo')
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m = doc.match('(and foo+)')
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t.equal(m.text(), '', here + 'greedy unfound')
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doc = nlp('and otherwise foo foo bar')
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m = doc.match('(and foo+)+')
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t.equal(m.text(), '', here + 'greedy outside and inside')
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doc = nlp('and otherwise foo foo bar')
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m = doc.match('(and foo)+')
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t.equal(m.text(), '', here + 'greedy outside')
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doc = nlp('and foo foo')
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m = doc.match('(and foo*?)')
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t.equal(m.text(), 'and foo foo', here + 'astrix optional')
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doc = nlp('and foo1 foo2 foo3 foo4 bar foo ')
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m = doc.match('(and /foo/+)')
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t.equal(m.text(), 'and foo1 foo2 foo3 foo4', here + 'greedy found four')
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t.end()
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})
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test('greedy OR block', function (t) {
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let doc = nlp('is walking')
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let m = doc.match('is (#Adverb|not)+? walking')
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t.equal(m.text(), 'is walking', here + 'greedy 0')
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m = doc.match('is (#Adverb|not)?+ walking')
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t.equal(m.text(), 'is walking', here + 'greedy 0 again')
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doc = nlp('is really walking')
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m = doc.match('is (#Adverb|not)+ walking')
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t.equal(m.text(), 'is really walking', here + 'greedy 1')
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doc = nlp('is really not walking')
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m = doc.match('is (#Adverb|not)+? walking')
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t.equal(m.text(), 'is really not walking', here + 'greedy 2')
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doc = nlp('is really not quickly walking')
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m = doc.match('is (#Adverb|not)+ walking')
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t.equal(m.text(), 'is really not quickly walking', here + 'greedy 3')
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doc = nlp('1 house, 2 boats, 3 farms')
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t.equal(doc.match(`(#Value .)`).length, 3, here + '3 non-greedy')
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t.equal(doc.match(`(#Value .)+`).length, 1, here + '1 greedy')
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t.end()
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})
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