-
Notifications
You must be signed in to change notification settings - Fork 29.1k
/
test-util-format.js
161 lines (148 loc) · 6.71 KB
/
test-util-format.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
require('../common');
const assert = require('assert');
const util = require('util');
const symbol = Symbol('foo');
assert.strictEqual(util.format(), '');
assert.strictEqual(util.format(''), '');
assert.strictEqual(util.format([]), '[]');
assert.strictEqual(util.format([0]), '[ 0 ]');
assert.strictEqual(util.format({}), '{}');
assert.strictEqual(util.format({foo: 42}), '{ foo: 42 }');
assert.strictEqual(util.format(null), 'null');
assert.strictEqual(util.format(true), 'true');
assert.strictEqual(util.format(false), 'false');
assert.strictEqual(util.format('test'), 'test');
// CHECKME this is for console.log() compatibility - but is it *right*?
assert.strictEqual(util.format('foo', 'bar', 'baz'), 'foo bar baz');
// ES6 Symbol handling
assert.strictEqual(util.format(symbol), 'Symbol(foo)');
assert.strictEqual(util.format('foo', symbol), 'foo Symbol(foo)');
assert.strictEqual(util.format('%s', symbol), 'Symbol(foo)');
assert.strictEqual(util.format('%j', symbol), 'undefined');
assert.throws(function() {
util.format('%d', symbol);
}, TypeError);
// Number format specifier
assert.strictEqual(util.format('%d'), '%d');
assert.strictEqual(util.format('%d', 42.0), '42');
assert.strictEqual(util.format('%d', 42), '42');
assert.strictEqual(util.format('%d', '42'), '42');
assert.strictEqual(util.format('%d', '42.0'), '42');
assert.strictEqual(util.format('%d', 1.5), '1.5');
assert.strictEqual(util.format('%d', -0.5), '-0.5');
assert.strictEqual(util.format('%d', ''), '0');
assert.strictEqual(util.format('%d %d', 42, 43), '42 43');
assert.strictEqual(util.format('%d %d', 42), '42 %d');
// Integer format specifier
assert.strictEqual(util.format('%i'), '%i');
assert.strictEqual(util.format('%i', 42.0), '42');
assert.strictEqual(util.format('%i', 42), '42');
assert.strictEqual(util.format('%i', '42'), '42');
assert.strictEqual(util.format('%i', '42.0'), '42');
assert.strictEqual(util.format('%i', 1.5), '1');
assert.strictEqual(util.format('%i', -0.5), '0');
assert.strictEqual(util.format('%i', ''), 'NaN');
assert.strictEqual(util.format('%i %i', 42, 43), '42 43');
assert.strictEqual(util.format('%i %i', 42), '42 %i');
// Float format specifier
assert.strictEqual(util.format('%f'), '%f');
assert.strictEqual(util.format('%f', 42.0), '42');
assert.strictEqual(util.format('%f', 42), '42');
assert.strictEqual(util.format('%f', '42'), '42');
assert.strictEqual(util.format('%f', '42.0'), '42');
assert.strictEqual(util.format('%f', 1.5), '1.5');
assert.strictEqual(util.format('%f', -0.5), '-0.5');
assert.strictEqual(util.format('%f', Math.PI), '3.141592653589793');
assert.strictEqual(util.format('%f', ''), 'NaN');
assert.strictEqual(util.format('%f %f', 42, 43), '42 43');
assert.strictEqual(util.format('%f %f', 42), '42 %f');
// String format specifier
assert.strictEqual(util.format('%s'), '%s');
assert.strictEqual(util.format('%s', undefined), 'undefined');
assert.strictEqual(util.format('%s', 'foo'), 'foo');
assert.strictEqual(util.format('%s', 42), '42');
assert.strictEqual(util.format('%s', '42'), '42');
assert.strictEqual(util.format('%s %s', 42, 43), '42 43');
assert.strictEqual(util.format('%s %s', 42), '42 %s');
// JSON format specifier
assert.strictEqual(util.format('%j'), '%j');
assert.strictEqual(util.format('%j', 42), '42');
assert.strictEqual(util.format('%j', '42'), '"42"');
assert.strictEqual(util.format('%j %j', 42, 43), '42 43');
assert.strictEqual(util.format('%j %j', 42), '42 %j');
// Various format specifiers
assert.strictEqual(util.format('%%s%s', 'foo'), '%sfoo');
assert.strictEqual(util.format('%s:%s'), '%s:%s');
assert.strictEqual(util.format('%s:%s', undefined), 'undefined:%s');
assert.strictEqual(util.format('%s:%s', 'foo'), 'foo:%s');
assert.strictEqual(util.format('%s:%s', 'foo', 'bar'), 'foo:bar');
assert.strictEqual(util.format('%s:%s', 'foo', 'bar', 'baz'), 'foo:bar baz');
assert.strictEqual(util.format('%%%s%%', 'hi'), '%hi%');
assert.strictEqual(util.format('%%%s%%%%', 'hi'), '%hi%%');
assert.strictEqual(util.format('%sbc%%def', 'a'), 'abc%def');
assert.strictEqual(util.format('%d:%d', 12, 30), '12:30');
assert.strictEqual(util.format('%d:%d', 12), '12:%d');
assert.strictEqual(util.format('%d:%d'), '%d:%d');
assert.strictEqual(util.format('o: %j, a: %j', {}, []), 'o: {}, a: []');
assert.strictEqual(util.format('o: %j, a: %j', {}), 'o: {}, a: %j');
assert.strictEqual(util.format('o: %j, a: %j'), 'o: %j, a: %j');
{
const o = {};
o.o = o;
assert.strictEqual(util.format('%j', o), '[Circular]');
}
{
const o = {
toJSON() {
throw new Error('Not a circular object but still not serializable');
}
};
assert.throws(() => util.format('%j', o),
/^Error: Not a circular object but still not serializable$/);
}
// Errors
const err = new Error('foo');
assert.strictEqual(util.format(err), err.stack);
function CustomError(msg) {
Error.call(this);
Object.defineProperty(this, 'message',
{ value: msg, enumerable: false });
Object.defineProperty(this, 'name',
{ value: 'CustomError', enumerable: false });
Error.captureStackTrace(this, CustomError);
}
util.inherits(CustomError, Error);
const customError = new CustomError('bar');
assert.strictEqual(util.format(customError), customError.stack);
// Doesn't capture stack trace
function BadCustomError(msg) {
Error.call(this);
Object.defineProperty(this, 'message',
{ value: msg, enumerable: false });
Object.defineProperty(this, 'name',
{ value: 'BadCustomError', enumerable: false });
}
util.inherits(BadCustomError, Error);
assert.strictEqual(util.format(new BadCustomError('foo')),
'[BadCustomError: foo]');