Add a top-level fixture and override it in packages (#10)

tests/conftest.py

@@ -0,0 +1,35 @@
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"Shared fixtures."
+
+import os
+
+import pytest
+import tftest
+
+
+_BASEDIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+@pytest.fixture(scope='session')
+def plan():
+
+  def run_plan(tfdir):
+    tf = tftest.TerraformTest(tfdir, _BASEDIR,
+                              os.environ.get('TERRAFORM', 'terraform'))
+    tf.setup(extra_files=['tests/{}/terraform.tfvars'.format(tfdir)])
+    return tf.plan_out(parsed=True)
+
+  return run_plan

tests/foundations/business-units/conftest.py

@@ -17,18 +17,11 @@
 import os
 
 import pytest
-import tftest
 
 
-_ABSPATH = os.path.dirname(os.path.abspath(__file__)).split(os.path.sep)
-_TFDIR = os.path.sep.join(_ABSPATH[-2:])
+_TFDIR = os.path.sep.join(os.path.abspath(__file__).split(os.path.sep)[-3:-1])
 
 
-# TODO(ludoo): generalize and put in top-level package
-
-@pytest.fixture(scope='session')
-def plan():
-  tf = tftest.TerraformTest(_TFDIR, os.path.sep.join(_ABSPATH[:-3]),
-                            os.environ.get('TERRAFORM', 'terraform'))
-  tf.setup(extra_files=['tests/{}/terraform.tfvars'.format(_TFDIR)])
-  return tf.plan_out(parsed=True)
+@pytest.fixture(scope='package')
+def plan(plan):
+  return plan(_TFDIR)

tests/foundations/environments/conftest.py

@@ -17,18 +17,11 @@
 import os
 
 import pytest
-import tftest
 
 
-_ABSPATH = os.path.dirname(os.path.abspath(__file__)).split(os.path.sep)
-_TFDIR = os.path.sep.join(_ABSPATH[-2:])
+_TFDIR = os.path.sep.join(os.path.abspath(__file__).split(os.path.sep)[-3:-1])
 
 
-# TODO(ludoo): generalize and put in top-level package
-
-@pytest.fixture(scope='session')
-def plan():
-  tf = tftest.TerraformTest(_TFDIR, os.path.sep.join(_ABSPATH[:-3]),
-                            os.environ.get('TERRAFORM', 'terraform'))
-  tf.setup(extra_files=['tests/{}/terraform.tfvars'.format(_TFDIR)])
-  return tf.plan_out(parsed=True)
+@pytest.fixture(scope='package')
+def plan(plan):
+  return plan(_TFDIR)