| 1 | const assert = require('assert');
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| 2 | const { setPrecision, parseOr, jsonOr, intOr, floatOr } = require('../conversions');
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| 3 | const { identity } = require('../logic');
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| 4 |
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| 5 | describe('Conversions', function() {
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| 6 | describe('#jsonOr()', function() {
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| 7 | it('should return default value if empty', function() {
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| 8 | assert.equal(jsonOr(0)(null), 0);
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| 9 | assert.equal(jsonOr(0)(''), 0);
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| 10 | assert.equal(jsonOr(0)(), 0);
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| 11 | assert.equal(jsonOr(1)(0), 0);
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| 12 | assert.equal(jsonOr(0)('asdffsda'), 0);
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| 13 | assert.deepEqual(jsonOr(0)('{a:b}'), 0);
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| 14 | });
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| 15 | it('should return empty object if empty object passed', function() {
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| 16 | assert.deepEqual(jsonOr(0)('{}'), {});
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| 17 | assert.deepEqual(jsonOr(0)('{"a":{"b":1}}'), { a: { b: 1 } });
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| 18 | });
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| 19 | it('should return function returned value if passed a function', function() {
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| 20 | assert.equal(jsonOr(x => 3)(null), 3);
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| 21 | });
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| 22 | it('should return same value if identity is passed as default value', function() {
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| 23 | assert.equal(jsonOr(identity)(null), null);
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| 24 | });
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| 25 | });
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| 26 | describe('#floatOr()', function() {
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| 27 | it('should return default value if empty', function() {
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| 28 | assert.equal(floatOr(0)(null), 0);
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| 29 | assert.equal(floatOr(0)(), 0);
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| 30 | assert.equal(floatOr(0)('xxxx'), 0);
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| 31 | assert.equal(floatOr(0)('x3x'), 0);
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| 32 | assert.equal(floatOr(1)(0), 0);
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| 33 | });
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| 34 | it('should return value if is a float', function() {
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| 35 | assert.equal(floatOr(0)(1.1), 1.1);
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| 36 | assert.equal(floatOr(0)('1.1'), 1.1);
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| 37 | assert.equal(floatOr(0)('1.123456789'), 1.123456789);
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| 38 | });
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| 39 | it('should return function returned value if passed a function', function() {
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| 40 | assert.equal(floatOr(x => 3)(null), 3);
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| 41 | });
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| 42 | it('should return same value if identity is passed as default value', function() {
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| 43 | assert.equal(floatOr(identity)(null), null);
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| 44 | });
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| 45 | });
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| 46 | describe('#intOr()', function() {
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| 47 | it('should return default value if empty', function() {
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| 48 | assert.equal(intOr(0)(null), 0);
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| 49 | assert.equal(intOr(0)(), 0);
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| 50 | assert.equal(intOr(0)('xxxx'), 0);
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| 51 | assert.equal(intOr(0)('x3x'), 0);
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| 52 | assert.equal(intOr(1)(0), 0);
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| 53 | });
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| 54 | it('should return value if is a int', function() {
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| 55 | assert.equal(intOr(0)(1), 1);
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| 56 | assert.equal(intOr(0)('1'), 1);
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| 57 | });
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| 58 | it('should return an int if passed a float', function() {
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| 59 | assert.equal(intOr(0)(1.1), 1);
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| 60 | assert.equal(intOr(0)('1.9'), 1);
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| 61 | });
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| 62 | it('should return function returned value if passed a function', function() {
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| 63 | assert.equal(intOr(x => 3)(null), 3);
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| 64 | });
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| 65 | it('should return same value if identity is passed as default value', function() {
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| 66 | assert.equal(intOr(identity)(null), null);
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| 67 | });
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| 68 | });
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| 69 | describe('#setPrecision()', function() {
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| 70 | it('should return with no decimals if 0 passed', function() {
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| 71 | assert.equal(setPrecision(0, 1.3), 1);
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| 72 | });
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| 73 | it('should return with no decimals if wrong precision passed', function() {
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| 74 | assert.equal(setPrecision(null, 1.3), 1);
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| 75 | assert.equal(setPrecision(undefined, 1.3), 1);
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| 76 | });
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| 77 | it('should return the exact decimals passed', function() {
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| 78 | assert.equal(setPrecision(2, 1.12345), 1.12);
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| 79 | });
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| 80 | it('should return decimals rounded', function() {
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| 81 | assert.equal(setPrecision(3, 1.12345), 1.123);
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| 82 | assert.equal(setPrecision(4, 1.12345), 1.1235);
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| 83 | });
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| 84 | });
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| 85 | describe('#parseOr()', function() {
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| 86 | it('should return default value if parser throws an exception', function() {
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| 87 | assert.equal(
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| 88 | parseOr(x => {
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| 89 | throw Error('whatever');
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| 90 | })(33)(1),
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| 91 | 33
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| 92 | );
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| 93 | });
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| 94 | it('should return value if identity passes as a parser', function() {
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| 95 | assert.equal(parseOr(identity)(33)(1), 1);
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| 96 | assert.equal(parseOr(identity)(33)(0), 0);
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| 97 | });
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| 98 | });
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| 99 | });
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