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# -*- coding: utf-8 -*-
# preggy assertions
# https://github.com/heynemann/preggy
# Licensed under the MIT license:
# http://www.opensource.org/licenses/mit-license
# Copyright (c) 2014 Pablo Santiago Blum de Aguiar <scorphus@gmail.com>
from preggy import expect
def test_chaining():
expect('qwe') \
.not_to_be_null() \
.to_be_instance_of(str) \
.to_be_like('QWE') \
.to_equal('qwe')
expect(1729) \
.not_to_be_null() \
.to_be_instance_of(int) \
.to_be_numeric() \
.to_be_greater_or_equal_to(496) \
.to_equal(1729)
expect(3.14159265358979) \
.not_to_be_null() \
.to_be_instance_of(float) \
.to_be_numeric() \
.to_be_lesser_or_equal_to(3.1416) \
.to_be_like(3.14159265358979)
expect([1, 2, 3]) \
.not_to_be_null() \
.not_to_be_empty() \
.to_be_instance_of(list) \
.to_be_like([3, 2, 1])
expect({'a': 'b', 'x': 'z'}) \
.not_to_be_null() \
.not_to_be_empty() \
.to_be_instance_of(dict) \
.to_be_like({'x': 'z', 'a': 'b'})
meaning = {'x': 42}
of_life = {'x': 42}
expect(meaning.get('y')).to_equal(of_life.get('y'))
expect(meaning.get('x')).not_to_be_null().to_equal(of_life.get('x'))
try:
expect(meaning.get('y')).not_to_be_null().to_equal(of_life.get('x'))
except AssertionError:
return
else:
assert False, 'Should not have gotten this far'
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