1 files changed, 87 insertions, 0 deletions
diff --git a/tests/unit/test_util.ts b/tests/unit/test_util.ts
new file mode 100644
index 000000000..2f2730794
--- /dev/null
+++ b/tests/unit/test_util.ts
@@ -0,0 +1,87 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import * as colors from "@test_util/std/fmt/colors.ts";
+export { colors };
+import { join, resolve } from "@test_util/std/path/mod.ts";
+export {
+  assert,
+  assertEquals,
+  assertFalse,
+  AssertionError,
+  assertIsError,
+  assertMatch,
+  assertNotEquals,
+  assertNotStrictEquals,
+  assertRejects,
+  assertStrictEquals,
+  assertStringIncludes,
+  assertThrows,
+  fail,
+  unimplemented,
+  unreachable,
+} from "@test_util/std/assert/mod.ts";
+export { delay } from "@test_util/std/async/delay.ts";
+export { readLines } from "@test_util/std/io/read_lines.ts";
+export { parse as parseArgs } from "@test_util/std/flags/mod.ts";
+
+export function pathToAbsoluteFileUrl(path: string): URL {
+  path = resolve(path);
+
+  return new URL(`file://${Deno.build.os === "windows" ? "/" : ""}${path}`);
+}
+
+export function execCode(code: string): Promise<readonly [number, string]> {
+  return execCode2(code).finished();
+}
+
+export function execCode2(code: string) {
+  const command = new Deno.Command(Deno.execPath(), {
+    args: [
+      "eval",
+      "--unstable",
+      "--no-check",
+      code,
+    ],
+    stdout: "piped",
+    stderr: "inherit",
+  });
+
+  const child = command.spawn();
+  const stdout = child.stdout.pipeThrough(new TextDecoderStream()).getReader();
+  let output = "";
+
+  return {
+    async waitStdoutText(text: string) {
+      while (true) {
+        const readData = await stdout.read();
+        if (readData.value) {
+          output += readData.value;
+          if (output.includes(text)) {
+            return;
+          }
+        }
+        if (readData.done) {
+          throw new Error(`Did not find text '${text}' in stdout.`);
+        }
+      }
+    },
+    async finished() {
+      while (true) {
+        const readData = await stdout.read();
+        if (readData.value) {
+          output += readData.value;
+        }
+        if (readData.done) {
+          break;
+        }
+      }
+      const status = await child.status;
+      return [status.code, output] as const;
+    },
+  };
+}
+
+export function tmpUnixSocketPath(): string {
+  const folder = Deno.makeTempDirSync();
+  return join(folder, "socket");
+}