Find payloads by term id so they survive a .remove()

plugins/payload/tests/payload.test.js

@@ -57,3 +57,26 @@ test('payload-fn', function (t) {
   t.equal(doc.getPayloads().length, 5, '5-now')
   t.end()
 })
+
+test('payload-after-remove', function (t) {
+  let doc = nlp('one apple. two pears. three plums.')
+  doc.match('(apple|plums)').addPayload(m => ({ fruit: m.text('normal') }))
+  t.equal(doc.getPayloads().length, 2, 'before-remove')
+
+  doc.remove('two pears')
+  let fruit = doc.getPayloads().map(p => p.val.fruit)
+  t.deepEqual(fruit, ['apple', 'plums'], 'after-remove')
+  t.equal(doc.match('plums').getPayloads().length, 1, 'plums-still-found')
+
+  doc.match('plums').clearPayloads()
+  fruit = doc.getPayloads().map(p => p.val.fruit)
+  t.deepEqual(fruit, ['apple'], 'clear-after-remove')
+
+  // removing the payload's own words drops it
+  doc = nlp('one apple. two pears. three plums.')
+  doc.match('(apple|pears|plums)').addPayload(m => ({ fruit: m.text('normal') }))
+  doc.remove('two pears')
+  fruit = doc.getPayloads().map(p => p.val.fruit)
+  t.deepEqual(fruit, ['apple', 'plums'], 'removed-payload-is-gone')
+  t.end()
+})