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69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
/* global libloki, assert */
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describe('ServiceNodes', () => {
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describe('#consolidateLists', () => {
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it('should throw when provided a non-iterable list', () => {
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assert.throws(() => libloki.serviceNodes.consolidateLists(null, 1), Error);
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});
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it('should throw when provided a non-iterable item in the list', () => {
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assert.throws(() => libloki.serviceNodes.consolidateLists([1, 2, 3], 1), Error);
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});
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it('should throw when provided a non-number threshold', () => {
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assert.throws(
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() => libloki.serviceNodes.consolidateLists([], 'a'),
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'Provided threshold is not a number'
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);
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});
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it('should return an empty array when the input is an empty array', () => {
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const result = libloki.serviceNodes.consolidateLists([]);
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assert.deepEqual(result, []);
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});
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it('should return the input when only 1 list is provided', () => {
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const result = libloki.serviceNodes.consolidateLists([['a', 'b', 'c']]);
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assert.deepEqual(result, ['a', 'b', 'c']);
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});
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it('should return the union of all lists when threshold is 0', () => {
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const result = libloki.serviceNodes.consolidateLists([
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['a', 'b', 'c', 'h'],
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['d', 'e', 'f', 'g'],
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['g', 'h'],
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], 0);
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assert.deepEqual(result.sort(), ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']);
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});
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it('should return the intersection of all lists when threshold is 1', () => {
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const result = libloki.serviceNodes.consolidateLists([
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['a', 'b', 'c', 'd'],
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['a', 'e', 'f', 'g'],
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['a', 'h'],
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], 1);
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assert.deepEqual(result, ['a']);
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});
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it('should return the elements that have an occurence >= the provided threshold', () => {
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const result = libloki.serviceNodes.consolidateLists([
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['a', 'b', 'c', 'd', 'e', 'f', 'g'],
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['a', 'b', 'c', 'd', 'e', 'f', 'h'],
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['a', 'b', 'c', 'd', 'e', 'f', 'g'],
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['a', 'b', 'c', 'd', 'e', 'g', 'h'],
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], 3/4);
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assert.deepEqual(result, ['a', 'b', 'c', 'd', 'e', 'f', 'g']);
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});
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it('should work with sets as well', () => {
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const result = libloki.serviceNodes.consolidateLists(new Set([
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new Set(['a', 'b', 'c', 'd', 'e', 'f', 'g']),
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new Set(['a', 'b', 'c', 'd', 'e', 'f', 'h']),
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new Set(['a', 'b', 'c', 'd', 'e', 'f', 'g']),
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new Set(['a', 'b', 'c', 'd', 'e', 'g', 'h']),
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]), 3/4);
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assert.deepEqual(result, ['a', 'b', 'c', 'd', 'e', 'f', 'g']);
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});
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});
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});
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