fix: remove user and host when outside container

functions/_pure_prompt_container.fish

@@ -1,5 +1,5 @@
 function _pure_prompt_container
-    if test -n _pure_is_inside_container
+    if _pure_is_inside_container
         echo "$pure_symbol_container_prefix"(_pure_user_at_host)
     end
 end

tests/_pure_is_inside_container.test.fish

@@ -78,7 +78,7 @@ if test (uname -s) = Linux
     @test "_pure_is_inside_container: detect with pid method" (
         set --universal pure_enable_container_detection true
         function _pure_detect_container_by_cgroup_method; false; end # spy
-        function _pure_detect_container_by_pid_method; echo "called: "(status function); end # spy
+        function _pure_detect_container_by_pid_method; echo "called: "(status current-function); end # spy
 
         _pure_is_inside_container
     ) = "called: _pure_detect_container_by_pid_method"
@@ -88,7 +88,7 @@ cleanup_detection_methods
 if test (uname -s) = Linux
     @test "_pure_is_inside_container: detect with cgroup method" (
         set --universal pure_enable_container_detection true
-        function _pure_detect_container_by_cgroup_method; echo "called: "(status function); end # spy
+        function _pure_detect_container_by_cgroup_method; echo "called: "(status current-function); end # spy
 
         _pure_is_inside_container
     ) = "called: _pure_detect_container_by_cgroup_method"

tests/_pure_prompt_container.test.fish

@@ -1,4 +1,5 @@
 source (dirname (status filename))/fixtures/constants.fish
+source (dirname (status filename))/mocks/mocks.fish
 source (dirname (status filename))/../functions/_pure_is_inside_container.fish
 source (dirname (status filename))/../functions/_pure_user_at_host.fish
 source (dirname (status filename))/../functions/_pure_prompt_container.fish
@@ -12,6 +13,10 @@ function before_each
     _disable_colors
 end
 
+function after_each
+    _clean_all_mocks
+end
+
 if test "$USER" = nemo # we need to be in a container for those to work
     before_each
     @test "_pure_prompt_container: displays 'user@hostname' when inside container" (
@@ -27,3 +32,20 @@ if test "$USER" = nemo # we need to be in a container for those to work
         string match --quiet --regex "🐋" (_pure_prompt_container)
     ) $status -eq $SUCCESS
 end
+
+@test "_pure_prompt_container: print nothing when outside a container" (
+    set --universal pure_enable_container_detection true
+    _mock_response _pure_is_inside_container $FAILURE
+
+    echo (_pure_prompt_container)
+) = $EMPTY
+after_each
+
+@test "_pure_prompt_container: check is inside a container" (
+    set --universal pure_enable_container_detection true
+    _mock_response _pure_is_inside_container $FAILURE
+
+    _pure_prompt_container
+    _has_called _pure_is_inside_container
+) $status -eq $SUCCESS
+after_each

tests/mocks/mocks.fish

@@ -58,6 +58,11 @@ function _clean_all_mocks \
         if functions --query $mock
             functions --erase $mock
         end
+
+        if functions --query __backup_$function_name # restore original function
+            functions --copy __backup_$function_name $function_name
+            functions --erase __backup_$function_name
+        end
     end
     set --global __mocks # clear mocks
 end
@@ -67,6 +72,8 @@ function _spy \
     --argument-names \
     function_name # name of the method to spy
 
+    backup $function_name
+
     function $function_name
         echo (status current-function) >/tmp/(status current-function).mock_calls
     end # spy
@@ -82,13 +89,14 @@ function _cleanup_spy_calls
 end
 
 function _has_called \
-    --description "check spy method XYZ write to the /tmp/$spy.mock_calls file when called" \
+    --description "check spy method XYZ write to the /tmp/$function_name.mock_calls file when called" \
     --argument-names \
-    spy \
-    spy_args # arguments to passed to the spy
+    function_name \
+    function_args # arguments to passed to the spy
 
-    if test -r /tmp/$spy.mock_calls
-        grep -c -q "$spy_args" /tmp/$spy.mock_calls \
+    set --query function_args[1]; or set function_args $function_name # ue
+    if test -r /tmp/$function_name.mock_calls
+        grep -c -q "$function_args" /tmp/$function_name.mock_calls \
             || printf "DEBUG: %s: received: `%s` expected: `%s`\n\n" (status current-function) (cat /tmp/$spy.mock_calls) $spy # check spy was called
     else
         return $FAILURE