fix: report not executable bash program error

cc_codechecker/runners/bash.py

@@ -12,6 +12,8 @@
 # Codechecker
 from cc_codechecker.runner import Runner
 
+NOT_EXECUTABLE_ERROR = 126
+
 
 class Bash(Runner):
   """Bash runner.
@@ -76,7 +78,8 @@ def run(self, *args, **kwargs) -> tuple[int, str]:
     """
     bash_path = self._check_position()
 
-    cmd: list[str] = ['./bash/program.sh']
+    program_file_name = './bash/program.sh'
+    cmd: list[str] = []
     bash_run = subprocess.run(
       cmd,
       capture_output=True,
@@ -92,6 +95,9 @@ def run(self, *args, **kwargs) -> tuple[int, str]:
     if run_verbose:
       print(f'Bash run {bash_run}')
 
+    if bash_run.returncode is NOT_EXECUTABLE_ERROR and not bash_run.stdout:
+      bash_run.stdout = f'{program_file_name} is not executable'
+
     return (bash_run.returncode, bash_run.stdout)
 
   def _check_position(self) -> str:

tests/runners/bash_runner_test.py

@@ -12,7 +12,7 @@
 
 # Codechecker
 from cc_codechecker.context import Context
-from cc_codechecker.runners.bash import Bash
+from cc_codechecker.runners.bash import NOT_EXECUTABLE_ERROR, Bash
 
 
 @pytest.fixture(name='bash_runner')
@@ -54,3 +54,17 @@ def test_run(run: MagicMock, check: MagicMock, bash_runner: Bash):
   ver = bash_runner.run()
   assert ver[0] == 0
   assert ver[1] == ''
+
+@patch('cc_codechecker.runners.bash.Bash._check_position')
+@patch('cc_codechecker.runners.bash.subprocess.run')
+def test_not_executable_program(
+  run: MagicMock,
+  check: MagicMock,
+  bash_runner: Bash,
+):
+  """Test the return value of run method."""
+  run.return_value = MagicMock(stdout='', returncode=NOT_EXECUTABLE_ERROR)
+  check.return_value = '/usr/bin/bash'
+  ver = bash_runner.run()
+  assert ver[0] == 126
+  assert ver[1] == './bash/program.sh is not executable'