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walk_test.ts
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walk_test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { walk, WalkError, WalkOptions, walkSync } from "./walk.ts";
import {
assertArrayIncludes,
assertEquals,
assertRejects,
assertThrows,
} from "../assert/mod.ts";
import { fromFileUrl, resolve } from "../path/mod.ts";
const testdataDir = resolve(fromFileUrl(import.meta.url), "../testdata/walk");
async function assertWalkPaths(
rootPath: string,
expectedPaths: string[],
options?: WalkOptions,
) {
const root = resolve(testdataDir, rootPath);
const entries = await Array.fromAsync(walk(root, options));
const entriesSync = Array.from(walkSync(root, options));
const expected = expectedPaths.map((path) => resolve(root, path));
assertEquals(entries, entriesSync);
assertEquals(entries.length, expected.length);
assertArrayIncludes(entries.map(({ path }) => path), expected);
}
Deno.test("[fs/walk] empty dir", async () => {
const emptyDir = resolve(testdataDir, "empty_dir");
await Deno.mkdir(emptyDir);
await assertWalkPaths("empty_dir", ["."]);
await Deno.remove(emptyDir);
});
Deno.test("[fs/walk] single file", async () =>
await assertWalkPaths("single_file", [".", "x"]));
Deno.test("[fs/walk] nested single file", async () =>
await assertWalkPaths("nested_single_file", [".", "a", "a/x"]));
Deno.test("[fs/walk] max depth", async () =>
await assertWalkPaths("depth", [".", "a", "a/b", "a/b/c"], { maxDepth: 3 }));
Deno.test("[fs/walk] exclude dirs", async () =>
await assertWalkPaths("depth", ["a/b/c/d/x"], { includeDirs: false }));
Deno.test("[fs/walk] exclude files", async () =>
await assertWalkPaths("depth", [".", "a", "a/b", "a/b/c", "a/b/c/d"], {
includeFiles: false,
}));
Deno.test("[fs/walk] ext", async () =>
await assertWalkPaths("ext", ["y.rs", "x.ts"], {
exts: [".rs", ".ts"],
}));
Deno.test("[fs/walk] ext", async () =>
await assertWalkPaths("match", ["x", "y"], {
match: [/x/, /y/],
}));
Deno.test("[fs/walk] skip", async () =>
await assertWalkPaths("match", [".", "z"], {
skip: [/x/, /y/],
}));
// https://github.com/denoland/deno_std/issues/1358
Deno.test("[fs/walk] symlink", async () =>
await assertWalkPaths("symlink", [".", "a", "a/z", "a", "a/z", "x", "x"], {
followSymlinks: true,
}));
Deno.test("[fs/walk] symlink without canonicalize", async () =>
await assertWalkPaths("symlink", [".", "a", "a/z", "b", "b/z", "x", "y"], {
followSymlinks: true,
canonicalize: false,
}));
Deno.test("[fs/walk] symlink without followSymlink", async () => {
await assertWalkPaths("symlink", [".", "a", "a/z", "b", "x", "y"], {
followSymlinks: false,
});
});
Deno.test("[fs/walk] non-existent root", async () => {
const root = resolve(testdataDir, "non_existent");
await assertRejects(
async () => await Array.fromAsync(walk(root)),
Deno.errors.NotFound,
);
assertThrows(() => Array.from(walkSync(root)), Deno.errors.NotFound);
});
// https://github.com/denoland/deno_std/issues/1789
Deno.test({
name: "[fs/walk] unix socket",
ignore: Deno.build.os === "windows",
async fn() {
const path = resolve(testdataDir, "socket", "a.sock");
try {
const listener = Deno.listen({ path, transport: "unix" });
await assertWalkPaths("socket", [".", "a.sock", ".gitignore"], {
followSymlinks: true,
});
listener.close();
} finally {
await Deno.remove(path);
}
},
});
Deno.test({
name: "[fs/walk] fifo",
ignore: Deno.build.os === "windows",
async fn() {
const command = new Deno.Command("mkfifo", {
args: [resolve(testdataDir, "fifo", "fifo")],
});
await command.output();
await assertWalkPaths("fifo", [".", "fifo", ".gitignore"], {
followSymlinks: true,
});
},
});
Deno.test("[fs/walk] error", async () => {
const root = resolve(testdataDir, "error");
await Deno.mkdir(root);
await assertRejects(async () => {
await Array.fromAsync(
walk(root),
async () => await Deno.remove(root, { recursive: true }),
);
}, WalkError);
});