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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
// Deno's test utilities implemented using expect().
// https://github.com/denoland/deno/blob/main/cli/tests/unit/test_util.ts
import { concatArrayBuffers } from "bun";
import { it, expect } from "bun:test";
export function test(fn: () => void): void {
it(fn.name, fn);
}
export function assert(condition: unknown, message?: string): asserts condition is true {
if (message) {
it(message, () => assert(condition));
} else {
expect(condition).toBeTruthy();
}
}
export function assertFalse(condition: unknown, message?: string): asserts condition is false {
if (message) {
it(message, () => assertFalse(condition));
} else {
expect(condition).toBeFalsy();
}
}
export function assertEquals(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertEquals(actual, expected));
} else {
expect(actual).toEqual(expected);
}
}
export function assertExists(value: unknown, message?: string): void {
if (message) {
it(message, () => assertExists(value));
} else {
expect(value).toBeDefined();
}
}
export function assertNotEquals(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertNotEquals(actual, expected));
} else {
expect(actual).not.toEqual(expected);
}
}
export function assertStrictEquals(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertStrictEquals(actual, expected));
} else {
expect(actual).toStrictEqual(expected);
}
}
export function assertNotStrictEquals(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertNotStrictEquals(actual, expected));
} else {
expect(actual).not.toStrictEqual(expected);
}
}
export function assertAlmostEquals(actual: unknown, expected: number, epsilon: number = 1e-7, message?: string): void {
if (message) {
it(message, () => assertAlmostEquals(actual, expected));
} else if (typeof actual === "number") {
// TODO: toBeCloseTo()
expect(Math.abs(actual - expected)).toBeLessThanOrEqual(epsilon);
} else {
expect(typeof actual).toBe("number");
}
}
export function assertInstanceOf(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertInstanceOf(actual, expected));
} else if (typeof actual === "object") {
if (actual !== null) {
expect(actual).toHaveProperty("constructor", expected);
} else {
expect(actual).not.toBeNull();
}
} else {
expect(typeof actual).toBe("object");
}
}
export function assertNotInstanceOf(actual: unknown, expected: unknown, message?: string): void {
if (message) {
it(message, () => assertNotInstanceOf(actual, expected));
} else if (typeof actual === "object") {
if (actual !== null) {
expect(actual).not.toHaveProperty("constructor", expected);
} else {
expect(actual).not.toBeNull();
}
} else {
expect(typeof actual).toBe("object");
}
}
export function assertStringIncludes(actual: unknown, expected: string, message?: string): void {
if (message) {
it(message, () => assertStringIncludes(actual, expected));
} else if (typeof actual === "string") {
expect(actual).toContain(expected);
} else {
expect(typeof actual).toBe("string");
}
}
export function assertArrayIncludes(actual: unknown, expected: unknown[], message?: string): void {
if (message) {
it(message, () => assertArrayIncludes(actual, expected));
} else if (Array.isArray(actual)) {
for (const value of expected) {
expect(actual).toContain(value);
}
} else {
expect(Array.isArray(actual)).toBe(true);
}
}
export function assertMatch(actual: unknown, expected: RegExp, message?: string): void {
if (message) {
it(message, () => assertMatch(actual, expected));
} else if (typeof actual === "string") {
expect(expected.test(actual)).toBe(true);
} else {
expect(typeof actual).toBe("string");
}
}
export function assertNotMatch(actual: unknown, expected: RegExp, message?: string): void {
if (message) {
it(message, () => assertNotMatch(actual, expected));
} else if (typeof actual === "string") {
expect(expected.test(actual)).toBe(false);
} else {
expect(typeof actual).toBe("string");
}
}
export function assertObjectMatch(actual: unknown, expected: Record<PropertyKey, unknown>, message?: string): void {
if (message) {
it(message, () => assertObjectMatch(actual, expected));
} else if (typeof actual === "object") {
// TODO: toMatchObject()
if (actual !== null) {
const expectedKeys = Object.keys(expected);
for (const key of Object.keys(actual)) {
if (!expectedKeys.includes(key)) {
// @ts-ignore
delete actual[key];
}
}
expect(actual).toEqual(expected);
} else {
expect(actual).not.toBeNull();
}
} else {
expect(typeof actual).toBe("object");
}
}
export function assertThrows(fn: () => void, message?: string): void {
if (message) {
it(message, () => assertThrows(fn));
} else {
try {
fn();
} catch (error) {
expect(error).toBeDefined();
return;
}
throw new Error("Expected an error to be thrown");
}
}
export async function assertRejects(fn: () => Promise<unknown>, message?: string): Promise<void> {
if (message) {
it(message, () => assertRejects(fn));
} else {
try {
await fn();
} catch (error) {
expect(error).toBeDefined();
return;
}
throw new Error("Expected an error to be thrown");
}
}
export function equal(a: unknown, b: unknown): boolean {
return Bun.deepEquals(a, b);
}
export function fail(message: string): never {
throw new Error(message);
}
export function unimplemented(message: string): never {
throw new Error(`Unimplemented: ${message}`);
}
export function unreachable(): never {
throw new Error("Unreachable");
}
export function concat(...buffers: Uint8Array[]): Uint8Array {
return new Uint8Array(concatArrayBuffers(buffers));
}
export function inspect(...args: unknown[]): string {
return Bun.inspect(...args);
}
// @ts-expect-error
globalThis["Deno"] = {
test,
inspect,
};
|
