Test for external quoted strings

tests/helpers/mod.rs

@@ -165,6 +165,18 @@ pub fn file_contents(full_path: &str) -> String {
     contents
 }
 
+pub fn normalize_string(input: &str) -> String {
+    #[cfg(windows)]
+    {
+        input.to_string()
+    }
+
+    #[cfg(not(windows))]
+    {
+        format!("\"{}\"", input)
+    }
+}
+
 pub fn create_file_at(full_path: &str) {
     std::fs::write(PathBuf::from(full_path), "fake data".as_bytes()).expect("can not create file");
 }

tests/tests.rs

@@ -1,6 +1,7 @@
 mod helpers;
 
 use helpers::in_directory as cwd;
+use helpers::normalize_string;
 
 #[test]
 fn external_num() {
@@ -13,6 +14,15 @@ fn external_num() {
     assert_eq!(output, "10");
 }
 
+#[test]
+fn external_has_correct_quotes() {
+    nu!(output, cwd("."), r#"echo "hello world""#);
+
+    let output = normalize_string(&output);
+
+    assert_eq!(output, r#""hello world""#);
+}
+
 #[test]
 fn inc_plugin() {
     nu!(