add cli test

Author: ludviggunne

test/cli/project-suppressions.py

@@ -0,0 +1,34 @@
+
+# python -m pytest project-suppressions.py
+
+import os
+from testutils import create_gui_project_file, assert_cppcheck
+
+def test_cli_and_project_suppressions(tmp_path):
+    # Uninitvar suppressed in project file
+    suppressions = [{ 'id': 'uninitvar' }]
+    project_path = tmp_path / 'project.cppcheck'
+    create_gui_project_file(project_path, root_path=str(tmp_path), suppressions=suppressions)
+
+    # Uninitvar suppressed on command line before import
+    args = ['--suppress=uninitvar', f'--project={project_path}']
+    out_exp = [
+        "cppcheck: error: suppression 'uninitvar' already exists",
+        f"cppcheck: error: failed to load project '{project_path}'. An error occurred."
+    ]
+    assert_cppcheck(args, ec_exp=1, out_exp=out_exp)
+
+def test_multiple_cli_and_project_suppressions(tmp_path):
+    # Uninitvar and unreadVariable suppressed in project file
+    suppressions = [{ 'id': 'uninitvar' }, { 'id': 'unreadVariable' },]
+    project_path = tmp_path / 'project.cppcheck'
+    create_gui_project_file(project_path, root_path=str(tmp_path), suppressions=suppressions)
+
+    # Uninitvar and unreadVariable suppressed on command line before import
+    args = ['--suppress=uninitvar', '--suppress=unreadVariable', f'--project={project_path}']
+    out_exp = [
+        "cppcheck: error: suppression 'uninitvar' already exists",
+        "cppcheck: error: suppression 'unreadVariable' already exists",
+        f"cppcheck: error: failed to load project '{project_path}'. An error occurred."
+    ]
+    assert_cppcheck(args, ec_exp=1, out_exp=out_exp)