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
|
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import { writeAllSync } from "../../../test_util/std/io/util.ts";
import {
assert,
assertEquals,
assertRejects,
assertThrows,
pathToAbsoluteFileUrl,
unreachable,
} from "./test_util.ts";
Deno.test({ permissions: { read: true } }, function readFileSyncSuccess() {
const data = Deno.readFileSync("cli/tests/testdata/fixture.json");
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: true } }, function readFileSyncUrl() {
const data = Deno.readFileSync(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: false } }, function readFileSyncPerm() {
assertThrows(() => {
Deno.readFileSync("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
Deno.test({ permissions: { read: true } }, function readFileSyncNotFound() {
assertThrows(() => {
Deno.readFileSync("bad_filename");
}, Deno.errors.NotFound);
});
Deno.test({ permissions: { read: true } }, async function readFileUrl() {
const data = await Deno.readFile(
pathToAbsoluteFileUrl("cli/tests/testdata/fixture.json"),
);
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: true } }, async function readFileSuccess() {
const data = await Deno.readFile("cli/tests/testdata/fixture.json");
assert(data.byteLength > 0);
const decoder = new TextDecoder("utf-8");
const json = decoder.decode(data);
const pkg = JSON.parse(json);
assertEquals(pkg.name, "deno");
});
Deno.test({ permissions: { read: false } }, async function readFilePerm() {
await assertRejects(async () => {
await Deno.readFile("cli/tests/testdata/fixture.json");
}, Deno.errors.PermissionDenied);
});
Deno.test({ permissions: { read: true } }, function readFileSyncLoop() {
for (let i = 0; i < 256; i++) {
Deno.readFileSync("cli/tests/testdata/fixture.json");
}
});
Deno.test(
{ permissions: { read: true } },
async function readFileDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
await assertRejects(async () => await Deno.readFile("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
Deno.test(
{ permissions: { read: true } },
function readFileSyncDoesNotLeakResources() {
const resourcesBefore = Deno.resources();
assertThrows(() => Deno.readFileSync("cli"));
assertEquals(resourcesBefore, Deno.resources());
},
);
Deno.test(
{ permissions: { read: true } },
async function readFileWithAbortSignal() {
const ac = new AbortController();
queueMicrotask(() => ac.abort());
await assertRejects(
async () => {
await Deno.readFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
},
(error: Error) => {
assert(error instanceof DOMException);
assertEquals(error.name, "AbortError");
},
);
},
);
Deno.test(
{ permissions: { read: true } },
async function readFileWithAbortSignalReason() {
const ac = new AbortController();
const abortReason = new Error();
queueMicrotask(() => ac.abort(abortReason));
await assertRejects(
async () => {
await Deno.readFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
},
(error: Error) => {
assertEquals(error, abortReason);
},
);
},
);
Deno.test(
{ permissions: { read: true } },
async function readFileWithAbortSignalPrimitiveReason() {
const ac = new AbortController();
queueMicrotask(() => ac.abort("Some string"));
try {
await Deno.readFile("cli/tests/testdata/fixture.json", {
signal: ac.signal,
});
unreachable();
} catch (e) {
assertEquals(e, "Some string");
}
},
);
Deno.test(
{ permissions: { read: true }, ignore: Deno.build.os !== "linux" },
async function readFileProcFs() {
const data = await Deno.readFile("/proc/self/stat");
assert(data.byteLength > 0);
},
);
Deno.test(
{ permissions: { read: true, write: true } },
async function readFileExtendedDuringRead() {
// Write 128MB file
const filename = Deno.makeTempDirSync() + "/test.txt";
const data = new Uint8Array(1024 * 1024 * 128);
Deno.writeFileSync(filename, data);
const promise = Deno.readFile(filename);
queueMicrotask(() => {
// Append 128MB to file
const f = Deno.openSync(filename, { append: true });
writeAllSync(f, data);
f.close();
});
const read = await promise;
assertEquals(read.byteLength, data.byteLength * 2);
},
);
Deno.test(
{ permissions: { read: true, write: true } },
async function readFile0LengthExtendedDuringRead() {
// Write 0 byte file
const filename = Deno.makeTempDirSync() + "/test.txt";
const first = new Uint8Array(0);
const second = new Uint8Array(1024 * 1024 * 128);
Deno.writeFileSync(filename, first);
const promise = Deno.readFile(filename);
queueMicrotask(() => {
// Append 128MB to file
const f = Deno.openSync(filename, { append: true });
writeAllSync(f, second);
f.close();
});
const read = await promise;
assertEquals(read.byteLength, second.byteLength);
},
);
|
