1 |
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2 | const assert = require('assert');
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3 | const { setPrecisionOr, parseOr, jsonOr, intOr, floatOr } = require('../conversions');
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4 | const { identity } = require('../logic');
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5 |
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6 | describe('Conversions', function() {
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7 | describe('#jsonOr()', function() {
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8 | it('should return default value if empty', function() {
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9 | assert.strictEqual(jsonOr(0, null), 0);
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10 | assert.strictEqual(jsonOr(0)(''), 0);
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11 | assert.strictEqual(jsonOr(0)(undefined), 0);
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12 | assert.strictEqual(jsonOr(1, 0), 1);
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13 | assert.strictEqual(jsonOr(0)('asdffsda'), 0);
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14 | assert.deepStrictEqual(jsonOr(0)('{a:b}'), 0);
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15 | });
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16 | it('should return empty object if empty object passed', function() {
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17 | assert.deepStrictEqual(jsonOr(0)('{}'), {});
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18 | assert.deepStrictEqual(jsonOr(0)('{"a":{"b":1}}'), { a: { b: 1 } });
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19 | });
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20 | it('should return function returned value if passed a function', function() {
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21 | assert.strictEqual(jsonOr(x => 3)(null), 3);
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22 | });
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23 | it('should return same value if identity is passed as default value', function() {
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24 | assert.strictEqual(jsonOr(identity)(null), null);
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25 | });
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26 | });
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27 | describe('#floatOr()', function() {
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28 | it('should return default value if empty', function() {
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29 | assert.strictEqual(floatOr(0)(null), 0);
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30 | assert.strictEqual(floatOr(0)(undefined), 0);
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31 | assert.strictEqual(floatOr(0)('xxxx'), 0);
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32 | assert.strictEqual(floatOr(0)('x3x'), 0);
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33 | assert.strictEqual(floatOr(1)(0), 0);
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34 | });
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35 | it('should return value if is a float', function() {
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36 | assert.strictEqual(floatOr(0)(1.1), 1.1);
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37 | assert.strictEqual(floatOr(0)('1.1'), 1.1);
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38 | assert.strictEqual(floatOr(0)('1.123456789'), 1.123456789);
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39 | });
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40 | it('should return function returned value if passed a function', function() {
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41 | assert.strictEqual(floatOr(x => 3)(null), 3);
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42 | });
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43 | it('should return same value if identity is passed as default value', function() {
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44 | assert.strictEqual(floatOr(identity)(null), null);
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45 | });
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46 | });
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47 | describe('#intOr()', function() {
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48 | it('should return default value if empty', function() {
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49 | assert.strictEqual(intOr(0)(null), 0);
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50 | assert.strictEqual(intOr(0)(undefined), 0);
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51 | assert.strictEqual(intOr(0)('xxxx'), 0);
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52 | assert.strictEqual(intOr(0)('x3x'), 0);
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53 | assert.strictEqual(intOr(1)(0), 0);
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54 | });
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55 | it('should return value if is a int', function() {
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56 | assert.strictEqual(intOr(0)(1), 1);
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57 | assert.strictEqual(intOr(0)('1'), 1);
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58 | });
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59 | it('should return an int if passed a float', function() {
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60 | assert.strictEqual(intOr(0)(1.1), 1);
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61 | assert.strictEqual(intOr(0)('1.9'), 1);
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62 | });
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63 | it('should return function returned value if passed a function', function() {
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64 | assert.strictEqual(intOr(x => 3)(null), 3);
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65 | });
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66 | it('should return same value if identity is passed as default value', function() {
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67 | assert.strictEqual(intOr(identity)(null), null);
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68 | });
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69 | });
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70 | describe('#setPrecision()', function() {
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71 | it('should return with no decimals if 0 passed', function() {
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72 | assert.strictEqual(setPrecisionOr(0, identity)(1.3), 1);
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73 | });
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74 | it('should return with no decimals if wrong precision passed', function() {
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75 | assert.strictEqual(setPrecisionOr(null, identity, 1.3), 1);
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76 | assert.strictEqual(setPrecisionOr(undefined, identity, 1.3), 1);
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77 | assert.strictEqual(setPrecisionOr('', identity, 1.3), 1);
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78 | });
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79 | it('should return treat precision as integer', function() {
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80 | assert.strictEqual(setPrecisionOr(2.5, identity, 1.12345), 1.12);
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81 | });
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82 | it('should return the exact decimals passed', function() {
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83 | assert.strictEqual(setPrecisionOr(2, identity, 1.12345), 1.12);
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84 | });
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85 | it('should return decimals rounded', function() {
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86 | assert.strictEqual(setPrecisionOr(3, identity, 1.12345), 1.123);
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87 | assert.strictEqual(setPrecisionOr(4, identity, 1.12345), 1.1235);
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88 | });
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89 | it('should return default value on bad input', function() {
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90 | assert.strictEqual(setPrecisionOr(3, 33, null), 33);
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91 | assert.strictEqual(setPrecisionOr(3, 33, undefined), 33);
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92 | assert.strictEqual(setPrecisionOr(3, 33, 'jasdlfsj'), 33);
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93 | });
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94 | it('should return accept a function as failover', function() {
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95 | assert.strictEqual(setPrecisionOr(3, () => 33, null), 33);
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96 | });
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97 | });
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98 | describe('#parseOr()', function() {
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99 | it('should return default value if parser throws an exception', function() {
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100 | assert.strictEqual(
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101 | parseOr(
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102 | x => {
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103 | throw Error('whatever');
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104 | },
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105 | () => true
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106 | )(33)(1),
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107 | 33
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108 | );
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109 | });
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110 | it('should return value if identity passes as a parser', function() {
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111 | assert.strictEqual(parseOr(identity, () => true)(33)(1), 1);
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112 | assert.strictEqual(parseOr(identity, () => true)(33)(0), 0);
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113 | });
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114 | });
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115 | });
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