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// Copyright 2018 the Deno authors. All rights reserved. MIT license.
import { test, testPerm, assert, assertEqual } from "./test_util.ts";
import * as deno from "deno";

testPerm({ env: true }, async function envSuccess() {
  const env = deno.env();
  assert(env !== null);
  env.test_var = "Hello World";
  const newEnv = deno.env();
  assertEqual(env.test_var, newEnv.test_var);
});

test(async function envFailure() {
  let caughtError = false;
  try {
    const env = deno.env();
  } catch (err) {
    caughtError = true;
    assertEqual(err.kind, deno.ErrorKind.PermissionDenied);
    assertEqual(err.name, "PermissionDenied");
  }

  assert(caughtError);
});

testPerm({ write: true }, function makeTempDirSync() {
  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_;
  }
  assertEqual(err.kind, deno.ErrorKind.NotFound);
  assertEqual(err.name, "NotFound");
});

test(function makeTempDirSyncPerm() {
  // makeTempDirSync should require write permissions (for now).
  let err;
  try {
    deno.makeTempDirSync({ dir: "/baddir" });
  } catch (err_) {
    err = err_;
  }
  assertEqual(err.kind, deno.ErrorKind.PermissionDenied);
  assertEqual(err.name, "PermissionDenied");
});