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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { test, testPerm, assert, assertEquals } from "./test_util.ts";

testPerm({ write: true }, function makeTempDirSyncSuccess(): void {
  const dir1 = Deno.makeTempDirSync({ prefix: "hello", suffix: "world" });
  const dir2 = Deno.makeTempDirSync({ prefix: "hello", suffix: "world" });
  // Check that both dirs are different.
  assert(dir1 !== dir2);
  for (const dir of [dir1, dir2]) {
    // Check that the prefix and suffix are applied.
    const lastPart = dir.replace(/^.*[\\\/]/, "");
    assert(lastPart.startsWith("hello"));
    assert(lastPart.endsWith("world"));
  }
  // Check that the `dir` option works.
  const dir3 = Deno.makeTempDirSync({ dir: dir1 });
  assert(dir3.startsWith(dir1));
  assert(/^[\\\/]/.test(dir3.slice(dir1.length)));
  // Check that creating a temp dir inside a nonexisting directory fails.
  let err;
  try {
    Deno.makeTempDirSync({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.NotFound);
});

test(function makeTempDirSyncPerm(): void {
  // makeTempDirSync should require write permissions (for now).
  let err;
  try {
    Deno.makeTempDirSync({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.PermissionDenied);
  assertEquals(err.name, "PermissionDenied");
});

testPerm({ write: true }, async function makeTempDirSuccess(): Promise<void> {
  const dir1 = await Deno.makeTempDir({ prefix: "hello", suffix: "world" });
  const dir2 = await Deno.makeTempDir({ prefix: "hello", suffix: "world" });
  // Check that both dirs are different.
  assert(dir1 !== dir2);
  for (const dir of [dir1, dir2]) {
    // Check that the prefix and suffix are applied.
    const lastPart = dir.replace(/^.*[\\\/]/, "");
    assert(lastPart.startsWith("hello"));
    assert(lastPart.endsWith("world"));
  }
  // Check that the `dir` option works.
  const dir3 = await Deno.makeTempDir({ dir: dir1 });
  assert(dir3.startsWith(dir1));
  assert(/^[\\\/]/.test(dir3.slice(dir1.length)));
  // Check that creating a temp dir inside a nonexisting directory fails.
  let err;
  try {
    await Deno.makeTempDir({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.NotFound);
});

testPerm({ write: true }, function makeTempFileSyncSuccess(): void {
  const file1 = Deno.makeTempFileSync({ prefix: "hello", suffix: "world" });
  const file2 = Deno.makeTempFileSync({ prefix: "hello", suffix: "world" });
  // Check that both dirs are different.
  assert(file1 !== file2);
  for (const dir of [file1, file2]) {
    // Check that the prefix and suffix are applied.
    const lastPart = dir.replace(/^.*[\\\/]/, "");
    assert(lastPart.startsWith("hello"));
    assert(lastPart.endsWith("world"));
  }
  // Check that the `dir` option works.
  const dir = Deno.makeTempDirSync({ prefix: "tempdir" });
  const file3 = Deno.makeTempFileSync({ dir });
  assert(file3.startsWith(dir));
  assert(/^[\\\/]/.test(file3.slice(dir.length)));
  // Check that creating a temp file inside a nonexisting directory fails.
  let err;
  try {
    Deno.makeTempFileSync({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.NotFound);
});

test(function makeTempFileSyncPerm(): void {
  // makeTempFileSync should require write permissions (for now).
  let err;
  try {
    Deno.makeTempFileSync({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.PermissionDenied);
  assertEquals(err.name, "PermissionDenied");
});

testPerm({ write: true }, async function makeTempFileSuccess(): Promise<void> {
  const file1 = await Deno.makeTempFile({ prefix: "hello", suffix: "world" });
  const file2 = await Deno.makeTempFile({ prefix: "hello", suffix: "world" });
  // Check that both dirs are different.
  assert(file1 !== file2);
  for (const dir of [file1, file2]) {
    // Check that the prefix and suffix are applied.
    const lastPart = dir.replace(/^.*[\\\/]/, "");
    assert(lastPart.startsWith("hello"));
    assert(lastPart.endsWith("world"));
  }
  // Check that the `dir` option works.
  const dir = Deno.makeTempDirSync({ prefix: "tempdir" });
  const file3 = await Deno.makeTempFile({ dir });
  assert(file3.startsWith(dir));
  assert(/^[\\\/]/.test(file3.slice(dir.length)));
  // Check that creating a temp file inside a nonexisting directory fails.
  let err;
  try {
    await Deno.makeTempFile({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assert(err instanceof Deno.errors.NotFound);
});