forked from denoland/deno
-
Notifications
You must be signed in to change notification settings - Fork 0
/
copy_file_test.ts
163 lines (150 loc) · 5.05 KB
/
copy_file_test.ts
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
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { testPerm, assert, assertEquals } from "./test_util.ts";
function readFileString(filename: string): string {
const dataRead = Deno.readFileSync(filename);
const dec = new TextDecoder("utf-8");
return dec.decode(dataRead);
}
function writeFileString(filename: string, s: string): void {
const enc = new TextEncoder();
const data = enc.encode(s);
Deno.writeFileSync(filename, data, { perm: 0o666 });
}
function assertSameContent(filename1: string, filename2: string): void {
const data1 = Deno.readFileSync(filename1);
const data2 = Deno.readFileSync(filename2);
assertEquals(data1, data2);
}
testPerm({ read: true, write: true }, function copyFileSyncSuccess(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
Deno.copyFileSync(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
});
testPerm({ write: true, read: true }, function copyFileSyncFailure(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
// We skip initial writing here, from.txt does not exist
let err;
try {
Deno.copyFileSync(fromFilename, toFilename);
} catch (e) {
err = e;
}
assert(!!err);
assertEquals(err.kind, Deno.ErrorKind.NotFound);
assertEquals(err.name, "NotFound");
});
testPerm({ write: true, read: false }, function copyFileSyncPerm1(): void {
let caughtError = false;
try {
Deno.copyFileSync("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assertEquals(e.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(e.name, "PermissionDenied");
}
assert(caughtError);
});
testPerm({ write: false, read: true }, function copyFileSyncPerm2(): void {
let caughtError = false;
try {
Deno.copyFileSync("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assertEquals(e.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(e.name, "PermissionDenied");
}
assert(caughtError);
});
testPerm({ read: true, write: true }, function copyFileSyncOverwrite(): void {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
// Make Dest exist and have different content
writeFileString(toFilename, "Goodbye!");
Deno.copyFileSync(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
});
testPerm({ read: true, write: true }, async function copyFileSuccess(): Promise<
void
> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
await Deno.copyFile(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
});
testPerm({ read: true, write: true }, async function copyFileFailure(): Promise<
void
> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
// We skip initial writing here, from.txt does not exist
let err;
try {
await Deno.copyFile(fromFilename, toFilename);
} catch (e) {
err = e;
}
assert(!!err);
assertEquals(err.kind, Deno.ErrorKind.NotFound);
assertEquals(err.name, "NotFound");
});
testPerm(
{ read: true, write: true },
async function copyFileOverwrite(): Promise<void> {
const tempDir = Deno.makeTempDirSync();
const fromFilename = tempDir + "/from.txt";
const toFilename = tempDir + "/to.txt";
writeFileString(fromFilename, "Hello world!");
// Make Dest exist and have different content
writeFileString(toFilename, "Goodbye!");
await Deno.copyFile(fromFilename, toFilename);
// No change to original file
assertEquals(readFileString(fromFilename), "Hello world!");
// Original == Dest
assertSameContent(fromFilename, toFilename);
}
);
testPerm({ read: false, write: true }, async function copyFilePerm1(): Promise<
void
> {
let caughtError = false;
try {
await Deno.copyFile("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assertEquals(e.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(e.name, "PermissionDenied");
}
assert(caughtError);
});
testPerm({ read: true, write: false }, async function copyFilePerm2(): Promise<
void
> {
let caughtError = false;
try {
await Deno.copyFile("/from.txt", "/to.txt");
} catch (e) {
caughtError = true;
assertEquals(e.kind, Deno.ErrorKind.PermissionDenied);
assertEquals(e.name, "PermissionDenied");
}
assert(caughtError);
});