From fbc8d14bec58035601b2bfd571c49993c9f907dc Mon Sep 17 00:00:00 2001
From: Rodolfo Carvalho <rhcarvalho@gmail.com>
Date: Sat, 18 Feb 2017 21:17:25 +0100
Subject: Configure pytest to run tests and coverage

---
 .coveragerc           | 15 ++++++++++++++-
 conftest.py           |  6 ++++++
 setup.cfg             | 19 +++++++++++++++++++
 test-requirements.txt |  1 +
 tox.ini               |  2 ++
 5 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 conftest.py

diff --git a/.coveragerc b/.coveragerc
index e1d918755..2c3199a3e 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,5 +1,18 @@
 [run]
-omit=
+branch = True
+omit =
     */lib/python*/site-packages/*
     */lib/python*/*
     /usr/*
+    setup.py
+    # TODO(rhcarvalho): this is used to ignore test files from coverage report.
+    # We can make this less generic when we stick with a single test pattern in
+    # the repo.
+    test_*.py
+    *_tests.py
+
+[report]
+fail_under = 25
+
+[html]
+directory = cover
diff --git a/conftest.py b/conftest.py
new file mode 100644
index 000000000..ad03fab29
--- /dev/null
+++ b/conftest.py
@@ -0,0 +1,6 @@
+"""pytest configuration"""
+
+
+def pytest_ignore_collect(path):
+    """Hook to ignore symlink files and directories."""
+    return path.islink()
diff --git a/setup.cfg b/setup.cfg
index 757d3ddea..c8f1f9b87 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -28,3 +28,22 @@ lint_disable=fixme,locally-disabled,file-ignored,duplicate-code
 exclude=.tox/*,utils/*,inventory/*
 max_line_length = 120
 ignore = E501,T003
+
+[tool:pytest]
+norecursedirs =
+    .*
+    __pycache__
+    cover
+    docs
+    # utils have its own config
+    utils
+python_files =
+    # TODO(rhcarvalho): rename test files to follow a single pattern. "test*.py"
+    # is Python unittest's default, while pytest discovers both "test_*.py" and
+    # "*_test.py" by default.
+    test_*.py
+    *_tests.py
+addopts =
+    --cov=.
+    --cov-report=term
+    --cov-report=html
diff --git a/test-requirements.txt b/test-requirements.txt
index c3d0d9387..c4b54fabe 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,3 +11,4 @@ nose
 coverage
 mock
 pytest
+pytest-cov
diff --git a/tox.ini b/tox.ini
index 4d3594023..ae781a04c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,3 +17,5 @@ commands =
     yamllint: python setup.py yamllint
     unit: nosetests
     generate_validation: python setup.py generate_validation
+
+
-- 
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