feat(std/path): Add toFileUrl() (#7971)

1 files changed, 49 insertions, 0 deletions

diff --git a/std/path/to_file_url_test.ts b/std/path/to_file_url_test.ts
new file mode 100644
index 000000000..6d0ca8d80
--- /dev/null
+++ b/std/path/to_file_url_test.ts
@@ -0,0 +1,49 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { posix, win32 } from "./mod.ts";
+import { assertEquals, assertThrows } from "../testing/asserts.ts";
+
+Deno.test("[path] toFileUrl", function () {
+  assertEquals(posix.toFileUrl("/home/foo").href, "file:///home/foo");
+  assertEquals(posix.toFileUrl("/home/ ").href, "file:///home/%20");
+  assertEquals(posix.toFileUrl("/home/%20").href, "file:///home/%2520");
+  assertEquals(posix.toFileUrl("/home\\foo").href, "file:///home%5Cfoo");
+  assertThrows(
+    () => posix.toFileUrl("foo").href,
+    TypeError,
+    "Must be an absolute path.",
+  );
+  assertThrows(
+    () => posix.toFileUrl("C:/"),
+    TypeError,
+    "Must be an absolute path.",
+  );
+  assertEquals(
+    posix.toFileUrl("//localhost/home/foo").href,
+    "file:////localhost/home/foo",
+  );
+  assertEquals(posix.toFileUrl("//localhost/").href, "file:////localhost/");
+  assertEquals(posix.toFileUrl("//:/home/foo").href, "file:////:/home/foo");
+});
+
+Deno.test("[path] toFileUrl (win32)", function () {
+  assertEquals(win32.toFileUrl("/home/foo").href, "file:///home/foo");
+  assertEquals(win32.toFileUrl("/home/ ").href, "file:///home/%20");
+  assertEquals(win32.toFileUrl("/home/%20").href, "file:///home/%2520");
+  assertEquals(win32.toFileUrl("/home\\foo").href, "file:///home/foo");
+  assertThrows(
+    () => win32.toFileUrl("foo").href,
+    TypeError,
+    "Must be an absolute path.",
+  );
+  assertEquals(win32.toFileUrl("C:/").href, "file:///C:/");
+  assertEquals(
+    win32.toFileUrl("//localhost/home/foo").href,
+    "file://localhost/home/foo",
+  );
+  assertEquals(win32.toFileUrl("//localhost/").href, "file:////localhost/");
+  assertThrows(
+    () => win32.toFileUrl("//:/home/foo").href,
+    TypeError,
+    "Invalid hostname.",
+  );
+});