chore: port deno_dir_test to Rust (#5408)

cli/tests/integration_tests.rs

@@ -146,8 +146,41 @@ fn benchmark_test() {
 
 #[test]
 fn deno_dir_test() {
+  use std::fs::remove_dir_all;
   let g = util::http_server();
-  util::run_python_script("tools/deno_dir_test.py");
+  let deno_dir = TempDir::new().expect("tempdir fail");
+  remove_dir_all(deno_dir.path()).unwrap();
+
+  // Run deno with no env flag
+  let status = util::deno_cmd()
+    .env_remove("DENO_DIR")
+    .current_dir(util::root_path())
+    .arg("run")
+    .arg("http://localhost:4545/cli/tests/subdir/print_hello.ts")
+    .spawn()
+    .expect("Failed to spawn script")
+    .wait()
+    .expect("Failed to wait for child process");
+  assert!(status.success());
+  assert!(!deno_dir.path().exists());
+
+  // Run deno with DENO_DIR env flag
+  let status = util::deno_cmd()
+    .env("DENO_DIR", deno_dir.path())
+    .current_dir(util::root_path())
+    .arg("run")
+    .arg("http://localhost:4545/cli/tests/subdir/print_hello.ts")
+    .spawn()
+    .expect("Failed to spawn script")
+    .wait()
+    .expect("Failed to wait for child process");
+  assert!(status.success());
+  assert!(deno_dir.path().is_dir());
+  assert!(deno_dir.path().join("deps").is_dir());
+  assert!(deno_dir.path().join("gen").is_dir());
+
+  remove_dir_all(deno_dir.path()).unwrap();
+  drop(deno_dir);
   drop(g);
 }
 

tools/deno_dir_test.py

@@ -1,52 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-# Check deno dir is created properly
-# Usage: deno_dir_test.py [path to deno dir]
-import os
-
-from test_util import DenoTestCase, run_tests
-from util import mkdtemp, rmtree, run_output
-
-
-class TestDenoDir(DenoTestCase):
-    def setUp(self):
-        self.old_deno_dir = None
-        if "DENO_DIR" in os.environ:
-            self.old_deno_dir = os.environ["DENO_DIR"]
-            del os.environ["DENO_DIR"]
-
-    def tearDown(self):
-        if self.old_deno_dir is not None:
-            os.environ["DENO_DIR"] = self.old_deno_dir
-
-    def test_deno_dir(self):
-        deno_dir = mkdtemp()
-        if os.path.isdir(deno_dir):
-            rmtree(deno_dir)
-
-        # Run deno with no env flag
-        self.run_deno()
-        assert not os.path.isdir(deno_dir)
-
-        # TODO(bartlomieju): reenable or rewrite these tests
-        #  now all cache directories are lazily created
-        # Run deno with DENO_DIR env flag
-        # self.run_deno(deno_dir)
-        # assert os.path.isdir(deno_dir)
-        # assert os.path.isdir(os.path.join(deno_dir, "deps"))
-        # assert os.path.isdir(os.path.join(deno_dir, "gen"))
-        # rmtree(deno_dir)
-
-    def run_deno(self, deno_dir=None):
-        cmd = [
-            self.deno_exe, "run",
-            "http://localhost:4545/cli/tests/subdir/print_hello.ts"
-        ]
-        deno_dir_env = {"DENO_DIR": deno_dir} if deno_dir is not None else None
-        res = run_output(cmd, quiet=True, env=deno_dir_env)
-        print res.code, res.out, res.err
-        self.assertEqual(res.code, 0)
-
-
-if __name__ == '__main__':
-    run_tests()