forked from nodejs/node
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest-error-serdes.js
More file actions
139 lines (120 loc) · 4.75 KB
/
test-error-serdes.js
File metadata and controls
139 lines (120 loc) · 4.75 KB
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
// Flags: --expose-internals
'use strict';
require('../common');
const assert = require('assert');
const { inspect } = require('util');
const { ERR_INVALID_ARG_TYPE } = require('internal/errors').codes;
const { serializeError, deserializeError } = require('internal/error_serdes');
function cycle(err) {
return deserializeError(serializeError(err));
}
assert.strictEqual(cycle(0), 0);
assert.strictEqual(cycle(-1), -1);
assert.strictEqual(cycle(1.4), 1.4);
assert.strictEqual(cycle(null), null);
assert.strictEqual(cycle(undefined), undefined);
assert.strictEqual(cycle('foo'), 'foo');
assert.strictEqual(cycle(Symbol.for('foo')), Symbol.for('foo'));
assert.strictEqual(cycle(Symbol('foo')).toString(), Symbol('foo').toString());
let err = new Error('foo');
for (let i = 0; i < 10; i++) {
assert(err instanceof Error);
assert(Object.prototype.toString.call(err), '[object Error]');
assert.strictEqual(err.name, 'Error');
assert.strictEqual(err.message, 'foo');
assert.match(err.stack, /^Error: foo\n/);
const prev = err;
err = cycle(err);
assert.deepStrictEqual(err, prev);
}
assert.strictEqual(cycle(new RangeError('foo')).name, 'RangeError');
assert.strictEqual(cycle(new TypeError('foo')).name, 'TypeError');
assert.strictEqual(cycle(new ReferenceError('foo')).name, 'ReferenceError');
assert.strictEqual(cycle(new URIError('foo')).name, 'URIError');
assert.strictEqual(cycle(new EvalError('foo')).name, 'EvalError');
assert.strictEqual(cycle(new SyntaxError('foo')).name, 'SyntaxError');
class SubError extends Error {}
assert.strictEqual(cycle(new SubError('foo')).name, 'Error');
assert.deepStrictEqual(cycle({ message: 'foo' }), { message: 'foo' });
assert.strictEqual(cycle(Function), '[Function: Function]');
class ErrorWithCause extends Error {
get cause() {
return new Error('err');
}
}
class ErrorWithThowingCause extends Error {
get cause() {
throw new Error('err');
}
}
class ErrorWithCyclicCause extends Error {
get cause() {
return this;
}
}
const errorWithCause = Object
.defineProperty(new Error('Error with cause'), 'cause', { get() { return { foo: 'bar' }; } });
const errorWithThrowingCause = Object
.defineProperty(new Error('Error with cause'), 'cause', { get() { throw new Error('err'); } });
const errorWithCyclicCause = Object
.defineProperty(new Error('Error with cause'), 'cause', { get() { return errorWithCyclicCause; } });
assert.strictEqual(cycle(new Error('Error with cause', { cause: 0 })).cause, 0);
assert.strictEqual(cycle(new Error('Error with cause', { cause: -1 })).cause, -1);
assert.strictEqual(cycle(new Error('Error with cause', { cause: 1.4 })).cause, 1.4);
assert.strictEqual(cycle(new Error('Error with cause', { cause: null })).cause, null);
assert.strictEqual(cycle(new Error('Error with cause', { cause: undefined })).cause, undefined);
assert.strictEqual(Object.hasOwn(cycle(new Error('Error with cause', { cause: undefined })), 'cause'), true);
assert.strictEqual(cycle(new Error('Error with cause', { cause: 'foo' })).cause, 'foo');
assert.deepStrictEqual(cycle(new Error('Error with cause', { cause: new Error('err') })).cause, new Error('err'));
assert.deepStrictEqual(cycle(errorWithCause).cause, { foo: 'bar' });
assert.strictEqual(Object.hasOwn(cycle(errorWithThrowingCause), 'cause'), false);
assert.strictEqual(Object.hasOwn(cycle(errorWithCyclicCause), 'cause'), true);
assert.deepStrictEqual(cycle(new ErrorWithCause('Error with cause')).cause, new Error('err'));
assert.strictEqual(cycle(new ErrorWithThowingCause('Error with cause')).cause, undefined);
assert.strictEqual(Object.hasOwn(cycle(new ErrorWithThowingCause('Error with cause')), 'cause'), false);
// When the cause is cyclic, it is serialized as a dumb circular reference object.
let depth = 0;
let e = cycle(new ErrorWithCyclicCause('Error with cause'));
while (e.cause) {
e = e.cause;
depth++;
}
assert.strictEqual(depth, 1);
assert.strictEqual(
inspect(cycle(new ErrorWithCyclicCause('Error with cause')).cause),
'[Circular object]',
);
{
const err = new ERR_INVALID_ARG_TYPE('object', 'Object', 42);
assert.match(String(err), /^TypeError \[ERR_INVALID_ARG_TYPE\]:/);
assert.strictEqual(err.name, 'TypeError');
assert.strictEqual(err.code, 'ERR_INVALID_ARG_TYPE');
}
{
let called = false;
class DynamicError extends Error {
get type() {
called = true;
return 'dynamic';
}
get shouldIgnoreError() {
throw new Error();
}
}
serializeError(new DynamicError());
assert.strictEqual(called, true);
}
const data = {
foo: 'bar',
[inspect.custom]() {
return 'barbaz';
}
};
assert.strictEqual(inspect(cycle(data)), 'barbaz');
const inheritedCustomInspect = new class {
foo = 'bar';
[inspect.custom]() {
return 'barbaz';
}
}();
assert.strictEqual(inspect(cycle(inheritedCustomInspect)), 'barbaz');