test: nicer way to test debug=pybehave

Author: nedbat

tests/test_cmdline.py

@@ -3,6 +3,7 @@
 
 """Test cmdline.py for coverage.py."""
 
+import ast
 import pprint
 import re
 import sys
@@ -20,7 +21,7 @@
 from coverage.version import __url__
 
 from tests.coveragetest import CoverageTest, OK, ERR, command_line
-from tests.helpers import os_sep
+from tests.helpers import os_sep, re_line
 
 
 class BaseCmdLineTest(CoverageTest):
@@ -298,8 +299,8 @@ def test_debug_pybehave(self):
         assert " CPYTHON:" in out
         assert " PYVERSION:" in out
         assert " pep626:" in out
-        pyversion = next(l for l in out.splitlines() if " PYVERSION:" in l)
-        vtuple = eval(pyversion.partition(":")[-1])  # pylint: disable=eval-used
+        pyversion = re_line(r" PYVERSION:", out)
+        vtuple = ast.literal_eval(pyversion.partition(":")[-1])
         assert vtuple[:5] == sys.version_info
 
     def test_debug_premain(self):

tests/test_debug.py

@@ -3,6 +3,7 @@
 
 """Tests of coverage/debug.py"""
 
+import ast
 import io
 import os
 import re
@@ -202,8 +203,8 @@ def test_debug_pybehave(self):
         out_text = self.f1_debug_output(["pybehave"])
         out_lines = out_text.splitlines()
         assert 10 < len(out_lines) < 40
-        pyversion = next(l for l in out_lines if " PYVERSION:" in l)
-        vtuple = eval(pyversion.partition(":")[-1])  # pylint: disable=eval-used
+        pyversion = re_line(r" PYVERSION:", out_text)
+        vtuple = ast.literal_eval(pyversion.partition(":")[-1].strip())
         assert vtuple[:5] == sys.version_info