61 lines
2.4 KiB
TypeScript
61 lines
2.4 KiB
TypeScript
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import { describe, test } from 'node:test';
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import assert from 'node:assert/strict';
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import { createRemovalTombstones } from './inlineCommentRemovals';
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describe('inline comment removal tombstones', () => {
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test('a delivery arriving after its removal is dropped', () => {
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// The window this closes: the extension holds a payload for a booting
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// panel, or the handler waits for a directory, and the user removes the
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// thread meanwhile. Without this the draft lands as a chip they dropped.
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const tombstones = createRemovalTombstones();
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tombstones.remember('icd-1');
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assert.equal(tombstones.consume('icd-1'), true);
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});
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test('an unrelated delivery is untouched', () => {
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const tombstones = createRemovalTombstones();
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tombstones.remember('icd-1');
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assert.equal(tombstones.consume('icd-2'), false);
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});
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test('a delivery with no id is never dropped', () => {
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// Comments from other entry points carry no draft id.
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const tombstones = createRemovalTombstones();
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tombstones.remember('icd-1');
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assert.equal(tombstones.consume(undefined), false);
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});
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test('the record is consumed, so only the delayed delivery is refused', () => {
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const tombstones = createRemovalTombstones();
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tombstones.remember('icd-1');
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tombstones.consume('icd-1');
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assert.equal(tombstones.consume('icd-1'), false);
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assert.equal(tombstones.size(), 0);
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});
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test('remembering the same removal twice keeps one record', () => {
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const tombstones = createRemovalTombstones();
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tombstones.remember('icd-1');
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tombstones.remember('icd-1');
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assert.equal(tombstones.size(), 1);
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});
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test('an empty id is not recorded', () => {
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const tombstones = createRemovalTombstones();
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tombstones.remember('');
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assert.equal(tombstones.size(), 0);
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});
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test('the record is bounded, evicting the oldest first', () => {
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const tombstones = createRemovalTombstones(3);
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for (const id of ['a', 'b', 'c', 'd']) tombstones.remember(id);
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assert.equal(tombstones.size(), 3);
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// 'a' aged out; the three most recent still refuse their deliveries.
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assert.equal(tombstones.consume('a'), false);
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assert.equal(tombstones.consume('d'), true);
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assert.equal(tombstones.consume('c'), true);
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assert.equal(tombstones.consume('b'), true);
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});
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});
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