In case of unrecoverable exit code, display path of the failed script

render_machine/actions/exit_with_error.py

@@ -18,7 +18,7 @@ def execute(self, render_context: RenderContext, previous_action_payload: Any |
 
         if render_context.frid_context is not None:
             console.info(
-                f"To continue rendering from the last successfully rendered functional requirement, provide the [red]--render-from {render_context.frid_context.frid}[/b][/red] flag."
+                f"To continue rendering from the last successfully rendered functional requirement, provide the [red]--render-from {render_context.frid_context.frid}[/red] flag."
             )
 
         if render_context.run_state.render_id is not None:

render_machine/actions/prepare_testing_environment.py

@@ -2,6 +2,7 @@
 
 import render_machine.render_utils as render_utils
 from plain2code_console import console
+from plain2code_events import RenderStateUpdated
 from render_machine.actions.base_action import BaseAction
 from render_machine.render_context import RenderContext
 from render_machine.render_types import RenderError
@@ -26,6 +27,13 @@ def execute(self, render_context: RenderContext, _previous_action_payload: Any |
         render_context.conformance_tests_running_context.should_prepare_testing_environment = False
         render_context.script_execution_history.latest_testing_environment_output_path = preparation_temp_file_path
         render_context.script_execution_history.should_update_script_outputs = True
+        render_context.event_bus.publish(
+            RenderStateUpdated(
+                state=render_context.state,
+                previous_state=render_context.previous_state,
+                snapshot=render_context.create_snapshot(),
+            )
+        )
         if exit_code == 0:
             return self.SUCCESSFUL_OUTCOME, None
         else:

render_machine/actions/run_conformance_tests.py

@@ -2,6 +2,7 @@
 
 import render_machine.render_utils as render_utils
 from plain2code_console import console
+from plain2code_events import RenderStateUpdated
 from render_machine.actions.base_action import BaseAction
 from render_machine.render_context import RenderContext
 from render_machine.render_types import RenderError
@@ -52,18 +53,26 @@ def execute(self, render_context: RenderContext, _previous_action_payload: Any |
             render_context, exit_code, conformance_tests_issue
         )
 
+        render_context.event_bus.publish(
+            RenderStateUpdated(
+                state=render_context.state,
+                previous_state=render_context.previous_state,
+                snapshot=render_context.create_snapshot(),
+            )
+        )
+
         if exit_code == 0:
             conformance_tests_issue = "All conformance tests passed successfully!"
 
         if exit_code == 0:
             return self.SUCCESSFUL_OUTCOME, None
 
         if exit_code in UNRECOVERABLE_ERROR_EXIT_CODES:
-            console.error(conformance_tests_issue)
+            console.error(f"[red]{conformance_tests_issue}[/red]")
             return (
                 self.UNRECOVERABLE_ERROR_OUTCOME,
                 RenderError.encode(
-                    message=conformance_tests_issue,
+                    message="Conformance tests script failed with an unrecoverable error.\nPlease check your conformance test script output for more details.",
                     error_type="ENVIRONMENT_ERROR",
                     exit_code=exit_code,
                     script=render_context.conformance_tests_script,

render_machine/actions/run_unit_tests.py

@@ -2,6 +2,7 @@
 
 import render_machine.render_utils as render_utils
 from plain2code_console import console
+from plain2code_events import RenderStateUpdated
 from render_machine.actions.base_action import BaseAction
 from render_machine.render_context import RenderContext
 from render_machine.render_types import RenderError
@@ -28,15 +29,22 @@ def execute(self, render_context: RenderContext, _previous_action_payload: Any |
 
         render_context.script_execution_history.latest_unit_test_output_path = unittests_temp_file_path
         render_context.script_execution_history.should_update_script_outputs = True
+        render_context.event_bus.publish(
+            RenderStateUpdated(
+                state=render_context.state,
+                previous_state=render_context.previous_state,
+                snapshot=render_context.create_snapshot(),
+            )
+        )
         if exit_code == 0:
             return self.SUCCESSFUL_OUTCOME, None
 
         elif exit_code in UNRECOVERABLE_ERROR_EXIT_CODES:
-            console.error(unittests_issue)
+            console.error(f"[red]{unittests_issue}[/red]")
             return (
                 self.UNRECOVERABLE_ERROR_OUTCOME,
                 RenderError.encode(
-                    message="Unit tests script failed due to problems in the environment setup. Please check your environment or update the script for running unittests.",
+                    message="Unit tests script failed with an unrecoverable error.\nPlease check your unit test script output for more details.",
                     error_type="ENVIRONMENT_ERROR",
                     exit_code=exit_code,
                     script=render_context.unittests_script,

render_machine/code_renderer.py

@@ -44,6 +44,7 @@ def run(self):
                 )
             )
             previous_state = deepcopy(self.render_context.state)
+            self.render_context.previous_state = previous_state
             self.render_context.script_execution_history.should_update_script_outputs = False
             # Reset error message at start of each iteration to prevent stale data
             self.render_context.last_error_message = None

render_machine/render_context.py

@@ -76,6 +76,8 @@ def __init__(
         self.script_execution_history = ScriptExecutionHistory()
         self.starting_frid = None
 
+        self.previous_state = None
+
         resources_list = []
         plain_spec.collect_linked_resources(plain_source_tree, resources_list, None, True)
         self.all_linked_resources = file_utils.load_linked_resources(template_dirs, resources_list)