tests.sh: add [filter] and --pdb (#1092)

pytests_launcher.py

@@ -1,9 +1,10 @@
-
 import os
 import pytest
 import sys
 print(sys.argv)
 
+use_pdb = os.environ.get('USE_PDB') == '1'
+
 sys._pwndbg_unittest_run = True
 
 CURRENT_DIR = os.path.dirname(os.path.realpath(__file__))
@@ -12,9 +13,11 @@ test = os.environ['PWNDBG_LAUNCH_TEST']
 
 test = os.path.join(CURRENT_DIR, test)
 
-# If you want to debug tests locally, add '--pdb' here
 args = [test, '-vvv', '-s', '--showlocals', '--color=yes']
 
+if use_pdb:
+    args.append('--pdb')
+
 print('Launching pytest with args: %s' % args)
 
 return_code = pytest.main(args)

tests.sh

@@ -1,5 +1,37 @@
 #!/bin/bash
 
+help_and_exit() {
+    echo "Usage: ./tests.sh [-p|--pdb] [<test-name-filter>]"
+    echo "  -p,  --pdb	       enable pdb (Python debugger) post mortem debugger on failed tests"
+    echo "  <test-name-filter> run only tests that match the regex"
+    exit 1;
+}
+
+if [[ $# -gt 2 ]]; then
+	help_and_exit
+fi
+
+USE_PDB=0
+TEST_NAME_FILTER=""
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -p|--pdb)
+      USE_PDB=1
+      echo "Will run tests with Python debugger"
+      shift
+      ;;
+    *)
+      if [[ ! -z "${TEST_NAME_FILTER}" ]]; then
+          help_and_exit
+      fi
+      TEST_NAME_FILTER="$1"
+      shift
+      ;;
+  esac
+done
+
+
 if [[ -z "$ZIGPATH" ]]; then
     # If ZIGPATH is not set, set it to $pwd/.zig
     # In Docker environment this should by default be set to /opt/zig
@@ -22,13 +54,13 @@ if [ $? -eq 1 ]; then
     exit 1;
 fi
 
-TESTS_LIST=$(echo -E "$TESTS_COLLECT_OUTPUT" | grep -o "tests/.*::.*")
+TESTS_LIST=$(echo -E "$TESTS_COLLECT_OUTPUT" | grep -o "tests/.*::.*" | grep "${TEST_NAME_FILTER}")
 
 tests_passed_or_skipped=0
 tests_failed=0
 
 for test_case in ${TESTS_LIST}; do
-    COVERAGE_PROCESS_START=.coveragerc PWNDBG_LAUNCH_TEST="${test_case}" PWNDBG_DISABLE_COLORS=1 gdb --silent --nx --nh -ex 'py import coverage;coverage.process_startup()' --command gdbinit.py --command pytests_launcher.py --eval-command quit
+    COVERAGE_PROCESS_START=.coveragerc USE_PDB="${USE_PDB}" PWNDBG_LAUNCH_TEST="${test_case}" PWNDBG_DISABLE_COLORS=1 gdb --silent --nx --nh -ex 'py import coverage;coverage.process_startup()' --command gdbinit.py --command pytests_launcher.py --eval-command quit
     exit_status=$?
 
     if [ ${exit_status} -eq 0 ]; then