fix(pytest-profiling): crash when adding options to parser

`Crash: ValueError('%r is not callable' % (type_func,)) with 1.8.0``

Fixes man-group#242

Author: mgu

pytest-profiling/pytest_profiling.py

@@ -143,7 +143,7 @@ def pytest_addoption(parser):
                     help="generate profiling graph (using gprof2dot and dot -Tsvg)")
     group.addoption("--pstats-dir", nargs=1,
                     help="configure the dump directory of profile data files")
-    group.addoption("--element-number", action="store", type="int", default=20,
+    group.addoption("--element-number", action="store", type=int, default=20,
                     help="defines how many elements will display in a result")
     group.addoption("--strip-dirs", action="store_true",
                     help="configure to show/hide the leading path information from file names")

pytest-profiling/tests/unit/test_profile.py

@@ -12,6 +12,7 @@
 import os
 import subprocess
 
+import pytest
 from pytest_profiling import Profiling, pytest_addoption, pytest_configure
 
 try:
@@ -94,12 +95,19 @@ def test_writes_summary_svg():
 
 
 def test_adds_options():
-    parser = Mock()
+    parser = pytest.Parser()
     pytest_addoption(parser)
-    parser.getgroup.assert_called_with("Profiling")
-    group = parser.getgroup.return_value
-    group.addoption.assert_any_call("--profile", action="store_true", help=ANY)
-    group.addoption.assert_any_call("--profile-svg", action="store_true", help=ANY)
+    group = parser.getgroup("Profiling")
+    options = {
+        option.dest: option for option in group.options
+    }
+    assert set(options.keys()) == {"profile", "profile_svg", "pstats_dir", "element_number", "strip_dirs"}
+    assert options["profile"]._attrs["action"] == "store_true"
+    assert options["profile_svg"]._attrs["action"] == "store_true"
+    assert options["pstats_dir"]._attrs["nargs"] == 1
+    assert options["strip_dirs"]._attrs["action"] == "store_true"
+    assert options["element_number"]._attrs["action"] == "store"
+    assert options["element_number"]._attrs["default"] == 20
 
 
 def test_configures():