Cross-repo recipe package system.

third_party/recipe_engine/unittests/properties_test.py

-#!/usr/bin/env python
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-import sys
-import unittest
-
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(
-    os.path.abspath(__file__)))))
-
-from recipe_engine import loader, recipe_api, config
-
-class TestProperties(unittest.TestCase):
-  def _makeProp(self, *args, **kwargs):
-    return recipe_api.Property(*args, **kwargs)
-
-  def testDefault(self):
-    """Tests the default option of properties."""
-    for default in (1, object(), "test", None):
-      prop = self._makeProp(default=default)
-      self.assertEqual(default, prop.interpret(recipe_api.Property.sentinel))
-
-  def testRequired(self):
-    """Tests that a required property errors when not provided."""
-    prop = self._makeProp()
-    with self.assertRaises(ValueError):
-      prop.interpret(recipe_api.Property.sentinel)
-
-  def testTypeSingle(self):
-    """Tests a simple typed property."""
-    prop = self._makeProp(kind=bool)
-    with self.assertRaises(TypeError):
-      prop.interpret(1)
-
-    self.assertEqual(True, prop.interpret(True))
-
-  def testTypeFancy(self):
-    """Tests a config style type property."""
-    prop = self._makeProp(kind=config.List(int))
-    for value in (1, "hi", [3, "test"]):
-      with self.assertRaises(TypeError):
-        prop.interpret(value)
-
-    self.assertEqual([2, 3], prop.interpret([2, 3]))
-
-class TestInvoke(unittest.TestCase):
-  def invoke(self, callable, all_properties, prop_defs, **kwargs):
-    return loader.invoke_with_properties(
-        callable, all_properties, prop_defs, **kwargs)
-
-  def testInvokeFuncSimple(self):
-    """Simple test of invoke."""
-    def func():
-      pass
-
-    self.assertEqual(self.invoke(func, {}, {}), None)
-
-  def testInvokeFuncComplex(self):
-    """Tests invoke with two different properties."""
-    def func(a, b):
-      return a
-
-    prop_defs = {
-      'a': recipe_api.Property(),
-      'b': recipe_api.Property(),
-    }
-
-    props = {
-      'a': 1,
-      'b': 2,
-    }
-    self.assertEqual(1, self.invoke(func, props, prop_defs))
-
-  def testInvokeClass(self):
-    """Tests invoking a class."""
-    class test(object):
-      def __init__(self, a, b):
-        self.answer = a
-
-    prop_defs = {
-      'a': recipe_api.Property(),
-      'b': recipe_api.Property(),
-    }
-
-    props = {
-      'a': 1,
-      'b': 2,
-    }
-    self.assertEqual(1, self.invoke(test, props, prop_defs).answer)
-
-  def testMissingProperty(self):
-    """Tests that invoke raises an error when missing a property."""
-    def func(a):
-      return a
-
-    with self.assertRaises(recipe_api.UndefinedPropertyException):
-      self.invoke(func, {}, {})
-
-if __name__ == '__main__':
-  unittest.main()