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