def test_array(self):
"""
You can do index-based access
"""
variables = {'foo': [1, 'apple', 'cannon']}
original = {'foo': '$foo[1]'}
result = interpolate(original, variables)
self.assertEqual(result, {'foo': 'apple'})
def test_deep_list(self):
"""
All depths of lists should be traversed.
"""
variables = {'foo': 'foo value'}
original = {'hey': ['this', '$foo', 'thing']}
result = interpolate(original, variables)
self.assertEqual(result, {'hey': ['this', 'foo value', 'thing']})
def test_deep_dict(self):
"""
All depths of dictionary should be traversed.
"""
variables = {'foo': 'foo value'}
original = {'hey': {'something': '$foo'}}
result = interpolate(original, variables)
self.assertEqual(result, {'hey': {'something': 'foo value'}})
def test_nonVars(self):
"""
Non variables should be ignored.
"""
variables = {'foo': 'foo value'}
original = {'hey': 5}
result = interpolate(original, variables)
self.assertEqual(result, {'hey': 5})
def test_basic(self):
"""
You can replace $vars with values from a dict
"""
variables = {'foo': [1, 2, 'foo']}
original = {'hey': '$foo'}
result = interpolate(original, variables)
self.assertEqual(result, {'hey': [1, 2, 'foo']})
self.assertEqual(original, {'hey': '$foo'})
def test_attributes(self):
"""
You can do attribute access.
"""
class Foo:
name = 'something'
variables = {'foo': Foo()}
original = {'foo': '$foo.name'}
result = interpolate(original, variables)
self.assertEqual(result, {'foo': 'something'})