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import {
unitTest,
assertEquals,
assertThrows,
assertThrowsAsync,
} from "./test_util.ts";
unitTest(
{ perms: { read: true, write: true } },
function writeTextFileSyncSuccess(): void {
const filename = Deno.makeTempDirSync() + "/test.txt";
Deno.writeTextFileSync(filename, "Hello");
const dataRead = Deno.readTextFileSync(filename);
assertEquals("Hello", dataRead);
}
);
unitTest(
{ perms: { read: true, write: true } },
function writeTextFileSyncByUrl(): void {
const tempDir = Deno.makeTempDirSync();
const fileUrl = new URL(
`file://${Deno.build.os === "windows" ? "/" : ""}${tempDir}/test.txt`
);
Deno.writeTextFileSync(fileUrl, "Hello");
const dataRead = Deno.readTextFileSync(fileUrl);
assertEquals("Hello", dataRead);
Deno.removeSync(fileUrl, { recursive: true });
}
);
unitTest({ perms: { write: true } }, function writeTextFileSyncFail(): void {
const filename = "/baddir/test.txt";
// The following should fail because /baddir doesn't exist (hopefully).
assertThrows(() => {
Deno.writeTextFileSync(filename, "hello");
}, Deno.errors.NotFound);
});
unitTest({ perms: { write: false } }, function writeTextFileSyncPerm(): void {
const filename = "/baddir/test.txt";
// The following should fail due to no write permission
assertThrows(() => {
Deno.writeTextFileSync(filename, "Hello");
}, Deno.errors.PermissionDenied);
});
unitTest(
{ perms: { read: true, write: true } },
async function writeTextFileSuccess(): Promise<void> {
const filename = Deno.makeTempDirSync() + "/test.txt";
await Deno.writeTextFile(filename, "Hello");
const dataRead = Deno.readTextFileSync(filename);
assertEquals("Hello", dataRead);
}
);
unitTest(
{ perms: { read: true, write: true } },
async function writeTextFileByUrl(): Promise<void> {
const tempDir = Deno.makeTempDirSync();
const fileUrl = new URL(
`file://${Deno.build.os === "windows" ? "/" : ""}${tempDir}/test.txt`
);
await Deno.writeTextFile(fileUrl, "Hello");
const dataRead = Deno.readTextFileSync(fileUrl);
assertEquals("Hello", dataRead);
Deno.removeSync(fileUrl, { recursive: true });
}
);
unitTest(
{ perms: { read: true, write: true } },
async function writeTextFileNotFound(): Promise<void> {
const filename = "/baddir/test.txt";
// The following should fail because /baddir doesn't exist (hopefully).
await assertThrowsAsync(async () => {
await Deno.writeTextFile(filename, "Hello");
}, Deno.errors.NotFound);
}
);
unitTest(
{ perms: { write: false } },
async function writeTextFilePerm(): Promise<void> {
const filename = "/baddir/test.txt";
// The following should fail due to no write permission
await assertThrowsAsync(async () => {
await Deno.writeTextFile(filename, "Hello");
}, Deno.errors.PermissionDenied);
}
);
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