Added test for issue 124

Author: Sylvain MARIE

pytest_cases/tests/pytest_extension/issues/test_issue_124.py

@@ -0,0 +1,26 @@
+import pytest
+from pytest_cases import parametrize, parametrize_with_cases
+
+
+@parametrize(i=range(2), idgen="i=={i}")
+def case_i(i):
+    return i + 1
+
+
+@pytest.mark.parametrize('i', range(2), ids="i=={}".format)
+def case_k(i):
+    return i + 1
+
+
+@parametrize_with_cases(argnames="j", cases='.')
+def test_me(j):
+    assert j > 0
+
+
+def test_synthesis(module_results_dct):
+    assert list(module_results_dct) == [
+        'test_me[i-i==0]',
+        'test_me[i-i==1]',
+        'test_me[k-i==0]',
+        'test_me[k-i==1]',
+    ]