Added a test corresponding to #17

Author: smarie

pytest_steps/tests_raw/test_steps_and_dependency_tree.py

@@ -0,0 +1,51 @@
+# META
+# {'passed': 8, 'skipped': 5, 'failed': 1}
+# END META
+
+# This is the example in https://github.com/smarie/python-pytest-steps/issues/17
+import pytest
+from pytest_steps import test_steps
+
+
+@pytest.fixture(scope='module')
+def results_dct():
+    return dict()
+
+
+@test_steps('step1', 'step2')
+def test_1_2(results_dct):
+    # step 1
+    results_dct['step1'] = 1
+    yield
+    # step 2
+    results_dct['step2'] = 'hello'
+    yield
+
+
+@test_steps('step3', 'step4')
+@pytest.mark.parametrize('p', ['a', 'b'], ids="p={}".format)
+def test_3_4(p, results_dct):
+    if 'step2' not in results_dct:
+        pytest.skip("Can not start step 3: step 2 has not run successfuly")
+    # step 3
+    results_dct.setdefault('step3', dict())[p] = 'bla'
+    if p == 'b':
+        assert False
+    yield
+    # step 4
+    results_dct.setdefault('step4', dict())[p] = 'blabla'
+    yield
+
+
+@test_steps('step5', 'step6')
+@pytest.mark.parametrize('q', ['a', 'b'], ids="q={}".format)
+@pytest.mark.parametrize('p', ['a', 'b'], ids="p={}".format)
+def test_5_6(p, q, results_dct):
+    if 'step4' not in results_dct:
+        pytest.skip("Can not start step 5: step 4 has not run successfuly")
+    elif p not in results_dct['step4']:
+        pytest.skip("Can not start step 5: step 4 has not run successfuly for this value of p=%s" % p)
+    # step 5
+    yield
+    # step 6
+    yield