WIP: Added tests for internal errors

.github/workflows/cotea_testing_workflow.yaml

@@ -31,3 +31,4 @@ jobs:
           cd ./src
           python cotea_ok_case.py
           python cotea_ansible_error_case.py
+          python cotea_internal_error_case.py

src/cotea_internal_error_case.py

@@ -0,0 +1,66 @@
+import unittest
+
+from cotea.runner import runner
+from cotea.arguments_maker import argument_maker
+
+
+def run_ansible_error_case(pb_path, inv_path):
+    arg_maker = argument_maker()
+    arg_maker.add_arg("-i", inv_path)
+    r = runner(pb_path, arg_maker, show_progress_bar=True)
+
+    while r.has_next_play():
+        while r.has_next_task():
+            r.run_next_task()
+    r.finish_ansible()
+
+    if r.was_error():
+        return True
+    return False
+
+
+class TestCotea(unittest.TestCase):
+
+    def test_incorrect_playbook_path_case(self):
+        pb_path = "cotea_run_files/#%|&"
+        inv_path = "cotea_run_files/inv"
+
+        arg_maker = argument_maker()
+        arg_maker.add_arg("-i", inv_path)
+        r = runner(pb_path, arg_maker, show_progress_bar=True)
+
+        try:
+            while r.has_next_play():
+                while r.has_next_task():
+                    r.run_next_task()
+            r.finish_ansible()
+        except Exception as e:
+            self.assertTrue(e.message.startswith(f"the playbook: {pb_path} could not be found"))
+        else:
+            self.assertFalse(True, msg="Ansible is supposed to fail due to syntax error "
+                                       "and its' exception should be passed to main thread")
+
+    def test_incorrect_syntax_case(self):
+        pb_path = "cotea_run_files/incorrect.yaml"
+        inv_path = "cotea_run_files/inv"
+
+        arg_maker = argument_maker()
+        arg_maker.add_arg("-i", inv_path)
+        r = runner(pb_path, arg_maker, show_progress_bar=True)
+
+        try:
+            while r.has_next_play():
+                while r.has_next_task():
+                    r.run_next_task()
+            r.finish_ansible()
+        except Exception as e:
+            # NOTE: e should be AnsibleParserError, but "isinstance" returns False for some reason
+            self.assertTrue(e.message.startswith("couldn't resolve module/action"),
+                            msg="Unexpected exception")
+        else:
+            self.assertFalse(True, msg="Ansible is supposed to fail due to syntax error "
+                                       "and its' exception should be passed to main thread")
+
+
+if __name__ == '__main__':
+    unittest.main()

src/cotea_run_files/incorrect.yaml

@@ -0,0 +1,6 @@
+---
+- name: Play1
+  hosts: all
+  tasks:
+  - name: Syntactically incorrect command
+    battle_star_engine: