Add Runner interface.

testing/resources/array_yaml_file.yaml

@@ -0,0 +1,2 @@
+- foo
+- bar

testing/resources/consumer_repo/.pre-commit-config.yaml

@@ -0,0 +1,22 @@
+
+-   repo: git@github.com:pre-commit/pre-commit-hooks
+    sha: 76739902911688e8d7b13241409f9facc0e534e4
+    hooks:
+        -   id: pyflakes
+            files: '\.py$'
+        -   id: debug-statements
+            files: '\.py$'
+        -   id: trailing-whitespace
+            files: '\.(py|sh|yaml)$'
+        -   id: name-tests-test
+            files: 'tests/.+\.py$'
+        -   id: end-of-file-fixer
+            files: '\.(py|sh|yaml)$'
+
+-   repo: git@github.com:pre-commit/pre-commit
+    sha: 47b7ca44ed1fcaa83464ed00cef72049ae22c33d
+    hooks:
+        -   id: validate_manifest
+            files: '^manifest.yaml$'
+        -   id: validate_config
+            files: \.pre-commit-config.yaml

testing/resources/node_hooks_repo/bin/main.js

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+
+console.log('Hello World');

testing/resources/node_hooks_repo/manifest.yaml

@@ -0,0 +1,4 @@
+-   id: foo
+    name: Foo
+    entry: foo
+    language: node

testing/resources/node_hooks_repo/package.json

@@ -0,0 +1,5 @@
+{
+    "name": "foo",
+    "version": "0.0.1",
+    "bin": {"foo": "./bin/main.js"}
+}

testing/resources/non_parseable_yaml_file.yaml

@@ -0,0 +1 @@
+foo: "

testing/resources/python_hooks_repo/foo/main.py

@@ -0,0 +1,6 @@
+import sys
+
+def func():
+    print repr(sys.argv[1:])
+    print 'Hello World'
+    return 0

testing/resources/python_hooks_repo/manifest.yaml

@@ -0,0 +1,4 @@
+-   id: foo
+    name: Foo
+    entry: foo
+    language: python

testing/resources/python_hooks_repo/setup.py

@@ -0,0 +1,11 @@
+from setuptools import find_packages
+from setuptools import setup
+
+setup(
+    name='Foo',
+    version='0.0.0',
+    packages=find_packages('.'),
+    entry_points={
+        'console_scripts': ['foo = foo.main:func'],
+    },
+)

testing/resources/valid_yaml_but_invalid_config.yaml

@@ -0,0 +1,7 @@
+
+-   repo: git@github.com:pre-commit/pre-commit-hooks
+    hooks:
+        -   id: pyflakes
+        -   id: jslint
+        -   id: trim_trailing_whitespace
+            files: '*.py'

testing/resources/valid_yaml_but_invalid_manifest.yaml

@@ -0,0 +1 @@
+foo: bar