2 files changed, 94 insertions, 22 deletions

diff --git a/test/lisp/eshell/esh-opt-tests.el b/test/lisp/eshell/esh-opt-tests.el
index 255768635b1..b76ed8866df 100644
--- a/test/lisp/eshell/esh-opt-tests.el
+++ b/test/lisp/eshell/esh-opt-tests.el
@@ -27,41 +27,63 @@
   (should
    (equal '(t)
           (eshell--process-args
-           "sudo"
-           '("-a")
-           '((?a "all" nil show-all "")))))
-  (should
-   (equal '(nil)
-          (eshell--process-args
-           "sudo"
-           '("-g")
-           '((?a "all" nil show-all "")))))
+           "sudo" '("-a")
+           '((?a "all" nil show-all
+                 "do not ignore entries starting with .")))))
   (should
    (equal '("root" "world")
           (eshell--process-args
-           "sudo"
-           '("-u" "root" "world")
-           '((?u "user" t user "execute a command as another USER")))))
+           "sudo" '("-u" "root" "world")
+           '((?u "user" t user
+                 "execute a command as another USER")))))
   (should
    (equal '(nil "emerge" "-uDN" "world")
           (eshell--process-args
-           "sudo"
-           '("emerge" "-uDN" "world")
-           '((?u "user" t user "execute a command as another USER")
+           "sudo" '("emerge" "-uDN" "world")
+           '((?u "user" t user
+                 "execute a command as another USER")
              :parse-leading-options-only))))
   (should
    (equal '("root" "emerge" "-uDN" "world")
           (eshell--process-args
-           "sudo"
-           '("-u" "root" "emerge" "-uDN" "world")
-           '((?u "user" t user "execute a command as another USER")
+           "sudo" '("-u" "root" "emerge" "-uDN" "world")
+           '((?u "user" t user
+                 "execute a command as another USER")
              :parse-leading-options-only))))
   (should
    (equal '("DN" "emerge" "world")
           (eshell--process-args
-           "sudo"
-           '("-u" "root" "emerge" "-uDN" "world")
-           '((?u "user" t user "execute a command as another USER"))))))
+           "sudo" '("-u" "root" "emerge" "-uDN" "world")
+           '((?u "user" t user
+                 "execute a command as another USER")))))
+
+  ;; Test :external.
+  (cl-letf (((symbol-function 'eshell-search-path) #'ignore))
+    (should
+     (equal '(nil "/some/path")
+            (eshell--process-args
+             "ls" '("/some/path")
+             '((?a "all" nil show-all
+                   "do not ignore entries starting with .")
+               :external "ls")))))
+  (cl-letf (((symbol-function 'eshell-search-path) #'identity))
+    (should
+     (equal '(no-catch eshell-ext-command "ls")
+            (should-error
+             (eshell--process-args
+              "ls" '("-u" "/some/path")
+              '((?a "all" nil show-all
+                    "do not ignore entries starting with .")
+                :external "ls"))
+             :type 'no-catch))))
+  (cl-letf (((symbol-function 'eshell-search-path) #'ignore))
+    (should-error
+     (eshell--process-args
+      "ls" '("-u" "/some/path")
+      '((?a "all" nil show-all
+            "do not ignore entries starting with .")
+        :external "ls"))
+     :type 'error)))
 
 (ert-deftest test-eshell-eval-using-options ()
   "Tests for `eshell-eval-using-options'."
@@ -190,7 +212,27 @@
    '((?u "user" t user "execute a command as another USER")
      :parse-leading-options-only)
    (should (eq user nil))
-   (should (equal args '("emerge" "-uDN" "world")))))
+   (should (equal args '("emerge" "-uDN" "world"))))
+
+  ;; Test unrecognized options.
+  (should-error
+   (eshell-eval-using-options
+    "ls" '("-u" "/some/path")
+    '((?a "all" nil show-all
+          "do not ignore entries starting with ."))
+    (ignore show-all)))
+  (should-error
+   (eshell-eval-using-options
+    "ls" '("-au" "/some/path")
+    '((?a "all" nil show-all
+          "do not ignore entries starting with ."))
+    (ignore show-all)))
+  (should-error
+   (eshell-eval-using-options
+    "ls" '("--unrecognized" "/some/path")
+    '((?a "all" nil show-all
+          "do not ignore entries starting with ."))
+    (ignore show-all))))
 
 (provide 'esh-opt-tests)
 
diff --git a/test/lisp/eshell/eshell-tests.el b/test/lisp/eshell/eshell-tests.el
index aef14479078..1a7ab0ab06f 100644
--- a/test/lisp/eshell/eshell-tests.el
+++ b/test/lisp/eshell/eshell-tests.el
@@ -30,6 +30,10 @@
 (require 'esh-mode)
 (require 'eshell)
 
+(defvar eshell-test--max-subprocess-time 5
+  "The maximum amount of time to wait for a subprocess to finish, in seconds.
+See `eshell-wait-for-subprocess'.")
+
 (defmacro with-temp-eshell (&rest body)
   "Evaluate BODY in a temporary Eshell buffer."
   `(ert-with-temp-directory eshell-directory-name
@@ -44,6 +48,17 @@
          (let (kill-buffer-query-functions)
            (kill-buffer eshell-buffer))))))
 
+(defun eshell-wait-for-subprocess ()
+  "Wait until there is no interactive subprocess running in Eshell.
+If this takes longer than `eshell-test--max-subprocess-time',
+raise an error."
+  (let ((start (current-time)))
+    (while (eshell-interactive-process)
+      (when (> (float-time (time-since start))
+               eshell-test--max-subprocess-time)
+        (error "timed out waiting for subprocess"))
+      (sit-for 0.1))))
+
 (defun eshell-insert-command (text &optional func)
   "Insert a command at the end of the buffer."
   (goto-char eshell-last-output-end)
@@ -59,6 +74,7 @@
 (defun eshell-command-result-p (text regexp &optional func)
   "Insert a command at the end of the buffer."
   (eshell-insert-command text func)
+  (eshell-wait-for-subprocess)
   (eshell-match-result regexp))
 
 (defvar eshell-history-file-name)
@@ -144,6 +160,20 @@ e.g. \"{(+ 1 2)} 3\" => 3"
   "Interpolate and concat two Lisp forms"
   (should (equal (eshell-test-command-result "+ $(+ 1 2)$(+ 1 2) 3") 36)))
 
+(ert-deftest eshell-test/interp-cmd-external ()
+  "Interpolate command result from external command"
+  (skip-unless (executable-find "echo"))
+  (with-temp-eshell
+   (eshell-command-result-p "echo ${*echo hi}"
+                            "hi\n")))
+
+(ert-deftest eshell-test/interp-cmd-external-concat ()
+  "Interpolate command result from external command with concatenation"
+  (skip-unless (executable-find "echo"))
+  (with-temp-eshell
+   (eshell-command-result-p "echo ${echo hi}-${*echo there}"
+                            "hi-there\n")))
+
 (ert-deftest eshell-test/window-height ()
   "$LINES should equal (window-height)"
   (should (eshell-test-command-result "= $LINES (window-height)")))