Add test for setuponly option

testing/python/setup_only.py

@@ -0,0 +1,151 @@
+def test_show_only_active_fixtures(testdir):
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture
+        def _arg0():
+            """hidden arg0 fixture"""
+        @pytest.fixture
+        def arg1():
+            """arg1 docstring"""
+        def test_arg1(arg1):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        '*SETUP    F arg1*',
+        '*test_arg1 fixtures: arg1',
+        '*TEARDOWN F arg1*',
+    ])
+    assert "_arg0" not in result.stdout.str()
+
+
+def test_show_different_scopes(testdir):
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture
+        def arg_function():
+            """function scoped fixture"""
+        @pytest.fixture(scope='session')
+        def arg_session():
+            """session scoped fixture"""
+        def test_arg1(arg_session, arg_function):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        'SETUP    S arg_session*',
+        '*SETUP    F arg_function*',
+        '*test_arg1 fixtures: arg_function, arg_session',
+        '*TEARDOWN F arg_function*',
+        'TEARDOWN S arg_session*',
+    ])
+
+
+def test_show_nested_fixtures(testdir):
+    testdir.makeconftest('''
+        import pytest
+        @pytest.fixture(scope='session')
+        def arg_same():
+            """session scoped fixture"""
+        ''')
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture(scope='function')
+        def arg_same(arg_same):
+            """function scoped fixture"""
+        def test_arg1(arg_same):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        'SETUP    S arg_same*',
+        '*SETUP    F arg_same*',
+        '*test_arg1 fixtures: arg_same',
+        '*TEARDOWN F arg_same*',
+        'TEARDOWN S arg_same*',
+    ])
+
+
+def test_show_fixtures_with_autouse(testdir):
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture
+        def arg_function():
+            """function scoped fixture"""
+        @pytest.fixture(scope='session', autouse=True)
+        def arg_session():
+            """session scoped fixture"""
+        def test_arg1(arg_function):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        'SETUP    S arg_session*',
+        '*SETUP    F arg_function*',
+        '*test_arg1 fixtures: arg_function, arg_session',
+    ])
+
+
+def test_show_fixtures_with_parameters(testdir):
+    testdir.makeconftest('''
+        import pytest
+        @pytest.fixture(scope='session', params=['foo', 'bar'])
+        def arg_same():
+            """session scoped fixture"""
+        ''')
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture(scope='function')
+        def arg_other(arg_same):
+            """function scoped fixture"""
+        def test_arg1(arg_other):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        'SETUP    S arg_same?foo?',
+        'TEARDOWN S arg_same?foo?',
+        'SETUP    S arg_same?bar?',
+        'TEARDOWN S arg_same?bar?',
+    ])
+
+
+def test_show_fixtures_with_parameter_ids(testdir):
+    testdir.makeconftest('''
+        import pytest
+        @pytest.fixture(
+            scope='session', params=['foo', 'bar'], ids=['spam', 'ham'])
+        def arg_same():
+            """session scoped fixture"""
+        ''')
+    p = testdir.makepyfile('''
+        import pytest
+        @pytest.fixture(scope='function')
+        def arg_other(arg_same):
+            """function scoped fixture"""
+        def test_arg1(arg_other):
+            pass
+    ''')
+
+    result = testdir.runpytest("--setup-only", p)
+    assert result.ret == 0
+
+    result.stdout.fnmatch_lines([
+        'SETUP    S arg_same?spam?',
+        'SETUP    S arg_same?ham?',
+    ])