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Diffstat (limited to 'test/units/parsing/yaml/test_loader.py')
-rw-r--r-- | test/units/parsing/yaml/test_loader.py | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/test/units/parsing/yaml/test_loader.py b/test/units/parsing/yaml/test_loader.py new file mode 100644 index 00000000..d6989f44 --- /dev/null +++ b/test/units/parsing/yaml/test_loader.py @@ -0,0 +1,436 @@ +# coding: utf-8 +# (c) 2015, Toshio Kuratomi <tkuratomi@ansible.com> +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see <http://www.gnu.org/licenses/>. + +# Make coding more python3-ish +from __future__ import (absolute_import, division, print_function) +__metaclass__ = type + +from io import StringIO + +from units.compat import unittest + +from ansible import errors +from ansible.module_utils.six import text_type, binary_type +from ansible.module_utils.common._collections_compat import Sequence, Set, Mapping +from ansible.parsing.yaml.loader import AnsibleLoader +from ansible.parsing import vault +from ansible.parsing.yaml.objects import AnsibleVaultEncryptedUnicode +from ansible.parsing.yaml.dumper import AnsibleDumper + +from units.mock.yaml_helper import YamlTestUtils +from units.mock.vault_helper import TextVaultSecret + +try: + from _yaml import ParserError + from _yaml import ScannerError +except ImportError: + from yaml.parser import ParserError + from yaml.scanner import ScannerError + + +class NameStringIO(StringIO): + """In py2.6, StringIO doesn't let you set name because a baseclass has it + as readonly property""" + name = None + + def __init__(self, *args, **kwargs): + super(NameStringIO, self).__init__(*args, **kwargs) + + +class TestAnsibleLoaderBasic(unittest.TestCase): + + def test_parse_number(self): + stream = StringIO(u""" + 1 + """) + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, 1) + # No line/column info saved yet + + def test_parse_string(self): + stream = StringIO(u""" + Ansible + """) + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, u'Ansible') + self.assertIsInstance(data, text_type) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 2, 17)) + + def test_parse_utf8_string(self): + stream = StringIO(u""" + Cafè Eñyei + """) + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, u'Cafè Eñyei') + self.assertIsInstance(data, text_type) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 2, 17)) + + def test_parse_dict(self): + stream = StringIO(u""" + webster: daniel + oed: oxford + """) + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, {'webster': 'daniel', 'oed': 'oxford'}) + self.assertEqual(len(data), 2) + self.assertIsInstance(list(data.keys())[0], text_type) + self.assertIsInstance(list(data.values())[0], text_type) + + # Beginning of the first key + self.assertEqual(data.ansible_pos, ('myfile.yml', 2, 17)) + + self.assertEqual(data[u'webster'].ansible_pos, ('myfile.yml', 2, 26)) + self.assertEqual(data[u'oed'].ansible_pos, ('myfile.yml', 3, 22)) + + def test_parse_list(self): + stream = StringIO(u""" + - a + - b + """) + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, [u'a', u'b']) + self.assertEqual(len(data), 2) + self.assertIsInstance(data[0], text_type) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 2, 17)) + + self.assertEqual(data[0].ansible_pos, ('myfile.yml', 2, 19)) + self.assertEqual(data[1].ansible_pos, ('myfile.yml', 3, 19)) + + def test_parse_short_dict(self): + stream = StringIO(u"""{"foo": "bar"}""") + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, dict(foo=u'bar')) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 1, 1)) + self.assertEqual(data[u'foo'].ansible_pos, ('myfile.yml', 1, 9)) + + stream = StringIO(u"""foo: bar""") + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, dict(foo=u'bar')) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 1, 1)) + self.assertEqual(data[u'foo'].ansible_pos, ('myfile.yml', 1, 6)) + + def test_error_conditions(self): + stream = StringIO(u"""{""") + loader = AnsibleLoader(stream, 'myfile.yml') + self.assertRaises(ParserError, loader.get_single_data) + + def test_tab_error(self): + stream = StringIO(u"""---\nhosts: localhost\nvars:\n foo: bar\n\tblip: baz""") + loader = AnsibleLoader(stream, 'myfile.yml') + self.assertRaises(ScannerError, loader.get_single_data) + + def test_front_matter(self): + stream = StringIO(u"""---\nfoo: bar""") + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, dict(foo=u'bar')) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 2, 1)) + self.assertEqual(data[u'foo'].ansible_pos, ('myfile.yml', 2, 6)) + + # Initial indent (See: #6348) + stream = StringIO(u""" - foo: bar\n baz: qux""") + loader = AnsibleLoader(stream, 'myfile.yml') + data = loader.get_single_data() + self.assertEqual(data, [{u'foo': u'bar', u'baz': u'qux'}]) + + self.assertEqual(data.ansible_pos, ('myfile.yml', 1, 2)) + self.assertEqual(data[0].ansible_pos, ('myfile.yml', 1, 4)) + self.assertEqual(data[0][u'foo'].ansible_pos, ('myfile.yml', 1, 9)) + self.assertEqual(data[0][u'baz'].ansible_pos, ('myfile.yml', 2, 9)) + + +class TestAnsibleLoaderVault(unittest.TestCase, YamlTestUtils): + def setUp(self): + self.vault_password = "hunter42" + vault_secret = TextVaultSecret(self.vault_password) + self.vault_secrets = [('vault_secret', vault_secret), + ('default', vault_secret)] + self.vault = vault.VaultLib(self.vault_secrets) + + @property + def vault_secret(self): + return vault.match_encrypt_secret(self.vault_secrets)[1] + + def test_wrong_password(self): + plaintext = u"Ansible" + bob_password = "this is a different password" + + bobs_secret = TextVaultSecret(bob_password) + bobs_secrets = [('default', bobs_secret)] + + bobs_vault = vault.VaultLib(bobs_secrets) + + ciphertext = bobs_vault.encrypt(plaintext, vault.match_encrypt_secret(bobs_secrets)[1]) + + try: + self.vault.decrypt(ciphertext) + except Exception as e: + self.assertIsInstance(e, errors.AnsibleError) + self.assertEqual(e.message, 'Decryption failed (no vault secrets were found that could decrypt)') + + def _encrypt_plaintext(self, plaintext): + # Construct a yaml repr of a vault by hand + vaulted_var_bytes = self.vault.encrypt(plaintext, self.vault_secret) + + # add yaml tag + vaulted_var = vaulted_var_bytes.decode() + lines = vaulted_var.splitlines() + lines2 = [] + for line in lines: + lines2.append(' %s' % line) + + vaulted_var = '\n'.join(lines2) + tagged_vaulted_var = u"""!vault |\n%s""" % vaulted_var + return tagged_vaulted_var + + def _build_stream(self, yaml_text): + stream = NameStringIO(yaml_text) + stream.name = 'my.yml' + return stream + + def _loader(self, stream): + return AnsibleLoader(stream, vault_secrets=self.vault.secrets) + + def _load_yaml(self, yaml_text, password): + stream = self._build_stream(yaml_text) + loader = self._loader(stream) + + data_from_yaml = loader.get_single_data() + + return data_from_yaml + + def test_dump_load_cycle(self): + avu = AnsibleVaultEncryptedUnicode.from_plaintext('The plaintext for test_dump_load_cycle.', self.vault, self.vault_secret) + self._dump_load_cycle(avu) + + def test_embedded_vault_from_dump(self): + avu = AnsibleVaultEncryptedUnicode.from_plaintext('setec astronomy', self.vault, self.vault_secret) + blip = {'stuff1': [{'a dict key': 24}, + {'shhh-ssh-secrets': avu, + 'nothing to see here': 'move along'}], + 'another key': 24.1} + + blip = ['some string', 'another string', avu] + stream = NameStringIO() + + self._dump_stream(blip, stream, dumper=AnsibleDumper) + + stream.seek(0) + + stream.seek(0) + + loader = self._loader(stream) + + data_from_yaml = loader.get_data() + + stream2 = NameStringIO(u'') + # verify we can dump the object again + self._dump_stream(data_from_yaml, stream2, dumper=AnsibleDumper) + + def test_embedded_vault(self): + plaintext_var = u"""This is the plaintext string.""" + tagged_vaulted_var = self._encrypt_plaintext(plaintext_var) + another_vaulted_var = self._encrypt_plaintext(plaintext_var) + + different_var = u"""A different string that is not the same as the first one.""" + different_vaulted_var = self._encrypt_plaintext(different_var) + + yaml_text = u"""---\nwebster: daniel\noed: oxford\nthe_secret: %s\nanother_secret: %s\ndifferent_secret: %s""" % (tagged_vaulted_var, + another_vaulted_var, + different_vaulted_var) + + data_from_yaml = self._load_yaml(yaml_text, self.vault_password) + vault_string = data_from_yaml['the_secret'] + + self.assertEqual(plaintext_var, data_from_yaml['the_secret']) + + test_dict = {} + test_dict[vault_string] = 'did this work?' + + self.assertEqual(vault_string.data, vault_string) + + # This looks weird and useless, but the object in question has a custom __eq__ + self.assertEqual(vault_string, vault_string) + + another_vault_string = data_from_yaml['another_secret'] + different_vault_string = data_from_yaml['different_secret'] + + self.assertEqual(vault_string, another_vault_string) + self.assertNotEquals(vault_string, different_vault_string) + + # More testing of __eq__/__ne__ + self.assertTrue('some string' != vault_string) + self.assertNotEquals('some string', vault_string) + + # Note this is a compare of the str/unicode of these, they are different types + # so we want to test self == other, and other == self etc + self.assertEqual(plaintext_var, vault_string) + self.assertEqual(vault_string, plaintext_var) + self.assertFalse(plaintext_var != vault_string) + self.assertFalse(vault_string != plaintext_var) + + +class TestAnsibleLoaderPlay(unittest.TestCase): + + def setUp(self): + stream = NameStringIO(u""" + - hosts: localhost + vars: + number: 1 + string: Ansible + utf8_string: Cafè Eñyei + dictionary: + webster: daniel + oed: oxford + list: + - a + - b + - 1 + - 2 + tasks: + - name: Test case + ping: + data: "{{ utf8_string }}" + + - name: Test 2 + ping: + data: "Cafè Eñyei" + + - name: Test 3 + command: "printf 'Cafè Eñyei\\n'" + """) + self.play_filename = '/path/to/myplay.yml' + stream.name = self.play_filename + self.loader = AnsibleLoader(stream) + self.data = self.loader.get_single_data() + + def tearDown(self): + pass + + def test_data_complete(self): + self.assertEqual(len(self.data), 1) + self.assertIsInstance(self.data, list) + self.assertEqual(frozenset(self.data[0].keys()), frozenset((u'hosts', u'vars', u'tasks'))) + + self.assertEqual(self.data[0][u'hosts'], u'localhost') + + self.assertEqual(self.data[0][u'vars'][u'number'], 1) + self.assertEqual(self.data[0][u'vars'][u'string'], u'Ansible') + self.assertEqual(self.data[0][u'vars'][u'utf8_string'], u'Cafè Eñyei') + self.assertEqual(self.data[0][u'vars'][u'dictionary'], { + u'webster': u'daniel', + u'oed': u'oxford' + }) + self.assertEqual(self.data[0][u'vars'][u'list'], [u'a', u'b', 1, 2]) + + self.assertEqual(self.data[0][u'tasks'], [ + {u'name': u'Test case', u'ping': {u'data': u'{{ utf8_string }}'}}, + {u'name': u'Test 2', u'ping': {u'data': u'Cafè Eñyei'}}, + {u'name': u'Test 3', u'command': u'printf \'Cafè Eñyei\n\''}, + ]) + + def walk(self, data): + # Make sure there's no str in the data + self.assertNotIsInstance(data, binary_type) + + # Descend into various container types + if isinstance(data, text_type): + # strings are a sequence so we have to be explicit here + return + elif isinstance(data, (Sequence, Set)): + for element in data: + self.walk(element) + elif isinstance(data, Mapping): + for k, v in data.items(): + self.walk(k) + self.walk(v) + + # Scalars were all checked so we're good to go + return + + def test_no_str_in_data(self): + # Checks that no strings are str type + self.walk(self.data) + + def check_vars(self): + # Numbers don't have line/col information yet + # self.assertEqual(self.data[0][u'vars'][u'number'].ansible_pos, (self.play_filename, 4, 21)) + + self.assertEqual(self.data[0][u'vars'][u'string'].ansible_pos, (self.play_filename, 5, 29)) + self.assertEqual(self.data[0][u'vars'][u'utf8_string'].ansible_pos, (self.play_filename, 6, 34)) + + self.assertEqual(self.data[0][u'vars'][u'dictionary'].ansible_pos, (self.play_filename, 8, 23)) + self.assertEqual(self.data[0][u'vars'][u'dictionary'][u'webster'].ansible_pos, (self.play_filename, 8, 32)) + self.assertEqual(self.data[0][u'vars'][u'dictionary'][u'oed'].ansible_pos, (self.play_filename, 9, 28)) + + self.assertEqual(self.data[0][u'vars'][u'list'].ansible_pos, (self.play_filename, 11, 23)) + self.assertEqual(self.data[0][u'vars'][u'list'][0].ansible_pos, (self.play_filename, 11, 25)) + self.assertEqual(self.data[0][u'vars'][u'list'][1].ansible_pos, (self.play_filename, 12, 25)) + # Numbers don't have line/col info yet + # self.assertEqual(self.data[0][u'vars'][u'list'][2].ansible_pos, (self.play_filename, 13, 25)) + # self.assertEqual(self.data[0][u'vars'][u'list'][3].ansible_pos, (self.play_filename, 14, 25)) + + def check_tasks(self): + # + # First Task + # + self.assertEqual(self.data[0][u'tasks'][0].ansible_pos, (self.play_filename, 16, 23)) + self.assertEqual(self.data[0][u'tasks'][0][u'name'].ansible_pos, (self.play_filename, 16, 29)) + self.assertEqual(self.data[0][u'tasks'][0][u'ping'].ansible_pos, (self.play_filename, 18, 25)) + self.assertEqual(self.data[0][u'tasks'][0][u'ping'][u'data'].ansible_pos, (self.play_filename, 18, 31)) + + # + # Second Task + # + self.assertEqual(self.data[0][u'tasks'][1].ansible_pos, (self.play_filename, 20, 23)) + self.assertEqual(self.data[0][u'tasks'][1][u'name'].ansible_pos, (self.play_filename, 20, 29)) + self.assertEqual(self.data[0][u'tasks'][1][u'ping'].ansible_pos, (self.play_filename, 22, 25)) + self.assertEqual(self.data[0][u'tasks'][1][u'ping'][u'data'].ansible_pos, (self.play_filename, 22, 31)) + + # + # Third Task + # + self.assertEqual(self.data[0][u'tasks'][2].ansible_pos, (self.play_filename, 24, 23)) + self.assertEqual(self.data[0][u'tasks'][2][u'name'].ansible_pos, (self.play_filename, 24, 29)) + self.assertEqual(self.data[0][u'tasks'][2][u'command'].ansible_pos, (self.play_filename, 25, 32)) + + def test_line_numbers(self): + # Check the line/column numbers are correct + # Note: Remember, currently dicts begin at the start of their first entry + self.assertEqual(self.data[0].ansible_pos, (self.play_filename, 2, 19)) + self.assertEqual(self.data[0][u'hosts'].ansible_pos, (self.play_filename, 2, 26)) + self.assertEqual(self.data[0][u'vars'].ansible_pos, (self.play_filename, 4, 21)) + + self.check_vars() + + self.assertEqual(self.data[0][u'tasks'].ansible_pos, (self.play_filename, 16, 21)) + + self.check_tasks() |