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19 lines
1.0 KiB
19 lines
1.0 KiB
5 years ago
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import { processSQLLimitOffset } from '../src/metrics/utils';
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import 'jest';
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describe('test utils methods', function(){
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it('test SQL limit offset processing', function() {
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expect(processSQLLimitOffset('without', 10, 5)).toBe('without LIMIT 10 OFFSET 5');
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expect(processSQLLimitOffset('limit 3 OFFSET 1', 10, 5)).toBe('LIMIT 10 OFFSET 5');
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expect(processSQLLimitOffset('xxx \nlimit 11\nxxx', 10, 5)).toBe('xxx \nLIMIT 10\nxxx OFFSET 5');
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expect(processSQLLimitOffset('xxx offset 4 xxx', 10, 5)).toBe('xxx OFFSET 5 xxx LIMIT 10');
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expect(processSQLLimitOffset('xxx\nlimit 0\noffset 4\nxxx', 10, 5)).toBe('xxx\nLIMIT 10\nOFFSET 5\nxxx');
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expect(processSQLLimitOffset('()()(limit 3 OFFSET 1) (())', 10, 5)).toBe('()()(limit 3 OFFSET 1) (()) LIMIT 10 OFFSET 5');
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expect(processSQLLimitOffset('()(limit 3) OFFSET 1 ()', 10, 5)).toBe('()(limit 3) OFFSET 5 () LIMIT 10');
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expect(processSQLLimitOffset('(offset 9)(limit 3) OFFSET 1 ()()(()) LIMIT 8 ()', 10, 5))
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.toBe('(offset 9)(limit 3) OFFSET 5 ()()(()) LIMIT 10 ()');
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});
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});
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