fix(cli): Fix the bug where the command description is not displayed. (#19604)

1 files changed, 46 insertions, 0 deletions

diff --git a/cli/tests/integration/flags_tests.rs b/cli/tests/integration/flags_tests.rs
index 6addf39ea..55a83594b 100644
--- a/cli/tests/integration/flags_tests.rs
+++ b/cli/tests/integration/flags_tests.rs
@@ -1,5 +1,6 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
+use std::process::Stdio;
 use test_util as util;
 
 #[test]
@@ -15,6 +16,51 @@ fn help_flag() {
 }
 
 #[test]
+fn help_output() {
+  let output = util::deno_cmd()
+    .current_dir(util::testdata_path())
+    .arg("--help")
+    .stdout(Stdio::piped())
+    .spawn()
+    .unwrap()
+    .wait_with_output()
+    .unwrap();
+
+  assert!(output.status.success());
+  let stdout = std::str::from_utf8(&output.stdout).unwrap();
+  let subcommand_descriptions = vec![
+    "Run a JavaScript or TypeScript program",
+    "Run benchmarks",
+    "Bundle module and dependencies into single file",
+    "Cache the dependencies",
+    "Type-check the dependencies",
+    "UNSTABLE: Compile the script into a self contained executable",
+    "Generate shell completions",
+    "Print coverage reports",
+    "Show documentation for a module",
+    "Eval script",
+    "Format source files",
+    "Initialize a new project",
+    "Show info about cache or info related to source file",
+    "Install script as an executable",
+    "Uninstall a script previously installed with deno install",
+    "Start the language server",
+    "Lint source files",
+    "Read Eval Print Loop",
+    "Run a task defined in the configuration file",
+    "Run tests",
+    "Print runtime TypeScript declarations",
+    "Upgrade deno executable to given version",
+    "Vendor remote modules into a local directory",
+    "Print this message or the help of the given subcommand(s)",
+  ];
+
+  for description in subcommand_descriptions {
+    assert!(stdout.contains(description));
+  }
+}
+
+#[test]
 fn version_short_flag() {
   let status = util::deno_cmd()
     .current_dir(util::testdata_path())