Add a hook for yaml files.
diff --git a/testing/__init__.py b/testing/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/testing/__init__.py
diff --git a/testing/resources/bad_yaml.notyaml b/testing/resources/bad_yaml.notyaml
new file mode 100644
index 0000000..3767076
--- /dev/null
+++ b/testing/resources/bad_yaml.notyaml
@@ -0,0 +1,2 @@
+# It's surprisingly hard to make invalid yaml
+a: "
diff --git a/testing/resources/ok_yaml.yaml b/testing/resources/ok_yaml.yaml
new file mode 100644
index 0000000..1679c64
--- /dev/null
+++ b/testing/resources/ok_yaml.yaml
@@ -0,0 +1 @@
+im: ok yaml
diff --git a/testing/util.py b/testing/util.py
new file mode 100644
index 0000000..c52a8cf
--- /dev/null
+++ b/testing/util.py
@@ -0,0 +1,9 @@
+
+import os.path
+
+
+TESTING_DIR = os.path.abspath(os.path.dirname(__file__))
+
+
+def get_resource_path(path):
+ return os.path.join(TESTING_DIR, 'resources', path)
