Update unit tests

Makefile

@@ -8,7 +8,7 @@ test:
 		--headless \
 		--noplugin \
 		-u ${TESTS_INIT} \
-		-c "PlenaryBustedFile tests/devcontainer_cli/folder_utils_spec.lua"
+		-c "PlenaryBustedFile tests/devcontainer_cli/unit_tests.lua"
 
 test_all:
 	@nvim \

lua/devcontainer-cli/devcontainer_utils.lua

@@ -45,30 +45,38 @@ end
 
 --- execute command
 ---@param cmd (string) the command to execute in the devcontainer terminal
-local function exec_command(cmd)
+function M.exec_command(cmd)
   vim.fn.termopen(
     cmd,
     {
       on_exit = on_exit,
       on_stdout = function(_, _, _)
-        vim.api.nvim_win_call(
-          win,
-          function()
-            vim.cmd("normal! G")
-          end
-        )
+        if win ~= -1 then
+          vim.api.nvim_win_call(
+            win,
+            function()
+              vim.cmd("normal! G")
+            end
+          )
+        else
+          vim.notify("Executed " .. cmd)
+        end
       end,
     }
   )
-  vim.api.nvim_set_current_buf(buffer)
+  if buffer ~= -1 then
+    vim.api.nvim_set_current_buf(buffer)
+  else
+    vim.notify("No buffer created, therefore no output from command will be visible", vim.log.levels.WARN)
+  end
 end
 
 -- create a new window and execute the given command
 ---@param cmd (string) the command to execute in the devcontainer terminal
 local function spawn_and_execute(cmd)
   prev_win = vim.api.nvim_get_current_win()
   win, buffer = windows_utils.open_floating_window(on_detach)
-  exec_command(cmd)
+  M.exec_command(cmd)
 end
 
 -- build the initial part of a devcontainer command

lua/devcontainer-cli/health.lua

@@ -17,7 +17,7 @@ end
 -- TODO: create a check for DevcontainerExec
 
 function M.check()
-  -- start("devcontainer-cli")
+  start("devcontainer-cli")
   local required_binaries = {
     "docker",
     "devcontainer",

tests/devcontainer_cli/folder_utils_spec.lua → tests/devcontainer_cli/unit_tests.lua

@@ -1,4 +1,5 @@
 local folder_utils = require("devcontainer-cli.folder_utils")
+local utils = require("devcontainer-cli.devcontainer_utils")
 
 describe("folder_utils.get_root:", function()
   it(
@@ -39,7 +40,7 @@ describe("folder_utils.get_root:", function()
 
       -- Verify that the project root is at HOME (location of top most devcontainer directory) when toplevel is true
       project_root = os.getenv("HOME")
-      root_folder = folder_utils.get_root(true)
+      local root_folder = folder_utils.get_root(true)
 
       -- From the subfolder, we check that the get_root function returns the folder where the git repo is located instead of the CWD
       print("ROOT: " .. root_folder)
@@ -50,3 +51,12 @@ describe("folder_utils.get_root:", function()
     end
   )
 end)
+
+describe("devcontainer_utils.exec_command:", function()
+  it(
+    "check if a command can be executed",
+    function()
+      utils.exec_command("echo 'Hello World!'")
+    end
+  )
+end)