# -*- coding: utf-8 -*- # Import python libs from __future__ import absolute_import import os import copy import tempfile import json import datetime import pprint # Import Salt Testing libs from salttesting.unit import skipIf, TestCase from salttesting.case import ModuleCase from salttesting.helpers import ensure_in_syspath ensure_in_syspath('../../') # Import salt libs import salt.loader import salt.utils from salt.exceptions import SaltRenderError from salt.ext.six.moves import builtins from salt.utils import get_context from salt.utils.jinja import ( SaltCacheLoader, SerializerExtension, ensure_sequence_filter ) from salt.utils.templates import JINJA, render_jinja_tmpl from salt.utils.odict import OrderedDict from integration import TMP_CONF_DIR # Import 3rd party libs import yaml from jinja2 import Environment, DictLoader, exceptions try: import timelib # pylint: disable=W0611 HAS_TIMELIB = True except ImportError: HAS_TIMELIB = False TEMPLATES_DIR = os.path.dirname(os.path.abspath(__file__)) class MockFileClient(object): ''' Does not download files but records any file request for testing ''' def __init__(self, loader=None): if loader: loader._file_client = self self.requests = [] def get_file(self, template, dest='', makedirs=False, saltenv='base'): self.requests.append({ 'path': template, 'dest': dest, 'makedirs': makedirs, 'saltenv': saltenv }) class TestSaltCacheLoader(TestCase): def __init__(self, *args, **kws): TestCase.__init__(self, *args, **kws) self.opts = { 'cachedir': TEMPLATES_DIR, 'file_roots': { 'test': [os.path.join(TEMPLATES_DIR, 'files', 'test')] }, 'pillar_roots': { 'test': [os.path.join(TEMPLATES_DIR, 'files', 'test')] } } def test_searchpath(self): ''' The searchpath is based on the cachedir option and the saltenv parameter ''' tmp = tempfile.gettempdir() opts = copy.deepcopy(self.opts) opts.update({'cachedir': tmp}) loader = SaltCacheLoader(opts, saltenv='test') assert loader.searchpath == [os.path.join(tmp, 'files', 'test')] def test_mockclient(self): ''' A MockFileClient is used that records all file requests normally sent to the master. ''' loader = SaltCacheLoader(self.opts, 'test') fc = MockFileClient(loader) res = loader.get_source(None, 'hello_simple') assert len(res) == 3 # res[0] on Windows is unicode and use os.linesep so it works cross OS self.assertEqual(str(res[0]), 'world' + os.linesep) tmpl_dir = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_simple') self.assertEqual(res[1], tmpl_dir) assert res[2](), 'Template up to date?' assert len(fc.requests) self.assertEqual(fc.requests[0]['path'], 'salt://hello_simple') def get_test_saltenv(self): ''' Setup a simple jinja test environment ''' loader = SaltCacheLoader(self.opts, 'test') fc = MockFileClient(loader) jinja = Environment(loader=loader) return fc, jinja def test_import(self): ''' You can import and use macros from other files ''' fc, jinja = self.get_test_saltenv() result = jinja.get_template('hello_import').render() self.assertEqual(result, 'Hey world !a b !') assert len(fc.requests) == 2 self.assertEqual(fc.requests[0]['path'], 'salt://hello_import') self.assertEqual(fc.requests[1]['path'], 'salt://macro') def test_include(self): ''' You can also include a template that imports and uses macros ''' fc, jinja = self.get_test_saltenv() result = jinja.get_template('hello_include').render() self.assertEqual(result, 'Hey world !a b !') assert len(fc.requests) == 3 self.assertEqual(fc.requests[0]['path'], 'salt://hello_include') self.assertEqual(fc.requests[1]['path'], 'salt://hello_import') self.assertEqual(fc.requests[2]['path'], 'salt://macro') def test_include_context(self): ''' Context variables are passes to the included template by default. ''' _, jinja = self.get_test_saltenv() result = jinja.get_template('hello_include').render(a='Hi', b='Salt') self.assertEqual(result, 'Hey world !Hi Salt !') class TestGetTemplate(TestCase): def __init__(self, *args, **kws): TestCase.__init__(self, *args, **kws) self.local_opts = { 'cachedir': TEMPLATES_DIR, 'file_client': 'local', 'file_ignore_regex': None, 'file_ignore_glob': None, 'file_roots': { 'test': [os.path.join(TEMPLATES_DIR, 'files', 'test')] }, 'pillar_roots': { 'test': [os.path.join(TEMPLATES_DIR, 'files', 'test')] }, 'fileserver_backend': ['roots'], 'hash_type': 'md5', 'extension_modules': os.path.join( os.path.dirname(os.path.abspath(__file__)), 'extmods'), } def test_fallback(self): ''' A Template with a filesystem loader is returned as fallback if the file is not contained in the searchpath ''' fn_ = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_simple') with salt.utils.fopen(fn_) as fp_: out = render_jinja_tmpl( fp_.read(), dict(opts=self.local_opts, saltenv='test')) self.assertEqual(out, 'world\n') def test_fallback_noloader(self): ''' A Template with a filesystem loader is returned as fallback if the file is not contained in the searchpath ''' filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import') out = render_jinja_tmpl( salt.utils.fopen(filename).read(), dict(opts=self.local_opts, saltenv='test')) self.assertEqual(out, 'Hey world !a b !\n') def test_saltenv(self): ''' If the template is within the searchpath it can import, include and extend other templates. The initial template is expected to be already cached get_template does not request it from the master again. ''' fc = MockFileClient() # monkey patch file client _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import') out = render_jinja_tmpl( salt.utils.fopen(filename).read(), dict(opts={'cachedir': TEMPLATES_DIR, 'file_client': 'remote', 'file_roots': self.local_opts['file_roots'], 'pillar_roots': self.local_opts['pillar_roots']}, a='Hi', b='Salt', saltenv='test')) self.assertEqual(out, 'Hey world !Hi Salt !\n') self.assertEqual(fc.requests[0]['path'], 'salt://macro') SaltCacheLoader.file_client = _fc def test_macro_additional_log_for_generalexc(self): ''' If we failed in a macro because of e.g. a TypeError, get more output from trace. ''' expected = r'''Jinja error:.*division.* .*/macrogeneral\(2\): --- \{% macro mymacro\(\) -%\} \{\{ 1/0 \}\} <====================== \{%- endmacro %\} ---.*''' filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import_generalerror') fc = MockFileClient() _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, salt.utils.fopen(filename).read(), dict(opts=self.local_opts, saltenv='test')) SaltCacheLoader.file_client = _fc def test_macro_additional_log_for_undefined(self): ''' If we failed in a macro because of undefined variables, get more output from trace. ''' expected = r'''Jinja variable 'b' is undefined .*/macroundefined\(2\): --- \{% macro mymacro\(\) -%\} \{\{b.greetee\}\} <-- error is here <====================== \{%- endmacro %\} ---''' filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import_undefined') fc = MockFileClient() _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, salt.utils.fopen(filename).read(), dict(opts=self.local_opts, saltenv='test')) SaltCacheLoader.file_client = _fc def test_macro_additional_log_syntaxerror(self): ''' If we failed in a macro, get more output from trace. ''' expected = r'''Jinja syntax error: expected token .*end.*got '-'.* .*/macroerror\(2\): --- # macro \{% macro mymacro\(greeting, greetee='world'\) -\} <-- error is here <====================== \{\{ greeting ~ ' ' ~ greetee \}\} ! \{%- endmacro %\} ---.*''' filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import_error') fc = MockFileClient() _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, salt.utils.fopen(filename).read(), dict(opts=self.local_opts, saltenv='test')) SaltCacheLoader.file_client = _fc def test_non_ascii_encoding(self): fc = MockFileClient() # monkey patch file client _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'hello_import') out = render_jinja_tmpl( salt.utils.fopen(filename).read(), dict(opts={'cachedir': TEMPLATES_DIR, 'file_client': 'remote', 'file_roots': self.local_opts['file_roots'], 'pillar_roots': self.local_opts['pillar_roots']}, a='Hi', b='Sàlt', saltenv='test')) self.assertEqual(out, u'Hey world !Hi Sàlt !\n') self.assertEqual(fc.requests[0]['path'], 'salt://macro') SaltCacheLoader.file_client = _fc _fc = SaltCacheLoader.file_client SaltCacheLoader.file_client = lambda loader: fc filename = os.path.join(TEMPLATES_DIR, 'files', 'test', 'non_ascii') out = render_jinja_tmpl( salt.utils.fopen(filename).read(), dict(opts={'cachedir': TEMPLATES_DIR, 'file_client': 'remote', 'file_roots': self.local_opts['file_roots'], 'pillar_roots': self.local_opts['pillar_roots']}, a='Hi', b='Sàlt', saltenv='test')) self.assertEqual(u'Assunção\n', out) self.assertEqual(fc.requests[0]['path'], 'salt://macro') SaltCacheLoader.file_client = _fc @skipIf(HAS_TIMELIB is False, 'The `timelib` library is not installed.') def test_strftime(self): response = render_jinja_tmpl('{{ "2002/12/25"|strftime }}', dict(opts=self.local_opts, saltenv='test')) self.assertEqual(response, '2002-12-25') objects = ( datetime.datetime(2002, 12, 25, 12, 00, 00, 00), '2002/12/25', 1040814000, '1040814000' ) for object in objects: response = render_jinja_tmpl('{{ object|strftime }}', dict(object=object, opts=self.local_opts, saltenv='test')) self.assertEqual(response, '2002-12-25') response = render_jinja_tmpl('{{ object|strftime("%b %d, %Y") }}', dict(object=object, opts=self.local_opts, saltenv='test')) self.assertEqual(response, 'Dec 25, 2002') response = render_jinja_tmpl('{{ object|strftime("%y") }}', dict(object=object, opts=self.local_opts, saltenv='test')) self.assertEqual(response, '02') def test_non_ascii(self): fn = os.path.join(TEMPLATES_DIR, 'files', 'test', 'non_ascii') out = JINJA(fn, opts=self.local_opts, saltenv='test') with salt.utils.fopen(out['data']) as fp: result = fp.read().decode('utf-8') self.assertEqual(u'Assunção\n', result) def test_get_context_has_enough_context(self): template = '1\n2\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\ne\nf' context = get_context(template, 8) expected = '---\n[...]\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\n[...]\n---' self.assertEqual(expected, context) def test_get_context_at_top_of_file(self): template = '1\n2\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\ne\nf' context = get_context(template, 1) expected = '---\n1\n2\n3\n4\n5\n6\n[...]\n---' self.assertEqual(expected, context) def test_get_context_at_bottom_of_file(self): template = '1\n2\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\ne\nf' context = get_context(template, 15) expected = '---\n[...]\na\nb\nc\nd\ne\nf\n---' self.assertEqual(expected, context) def test_get_context_2_context_lines(self): template = '1\n2\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\ne\nf' context = get_context(template, 8, num_lines=2) expected = '---\n[...]\n6\n7\n8\n9\na\n[...]\n---' self.assertEqual(expected, context) def test_get_context_with_marker(self): template = '1\n2\n3\n4\n5\n6\n7\n8\n9\na\nb\nc\nd\ne\nf' context = get_context(template, 8, num_lines=2, marker=' <---') expected = '---\n[...]\n6\n7\n8 <---\n9\na\n[...]\n---' self.assertEqual(expected, context) def test_render_with_syntax_error(self): template = 'hello\n\n{{ bad\n\nfoo' expected = r'.*---\nhello\n\n{{ bad\n\nfoo <======================\n---' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) def test_render_with_unicode_syntax_error(self): encoding = builtins.__salt_system_encoding__ builtins.__salt_system_encoding__ = 'utf-8' template = u'hello\n\n{{ bad\n\nfoo\ud55c' expected = r'.*---\nhello\n\n{{ bad\n\nfoo\xed\x95\x9c <======================\n---' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) builtins.__salt_system_encoding__ = encoding def test_render_with_utf8_syntax_error(self): encoding = builtins.__salt_system_encoding__ builtins.__salt_system_encoding__ = 'utf-8' template = 'hello\n\n{{ bad\n\nfoo\xed\x95\x9c' expected = r'.*---\nhello\n\n{{ bad\n\nfoo\xed\x95\x9c <======================\n---' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) builtins.__salt_system_encoding__ = encoding def test_render_with_undefined_variable(self): template = "hello\n\n{{ foo }}\n\nfoo" expected = r'Jinja variable \'foo\' is undefined' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) def test_render_with_undefined_variable_utf8(self): template = "hello\xed\x95\x9c\n\n{{ foo }}\n\nfoo" expected = r'Jinja variable \'foo\' is undefined' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) def test_render_with_undefined_variable_unicode(self): template = u"hello\ud55c\n\n{{ foo }}\n\nfoo" expected = r'Jinja variable \'foo\' is undefined' self.assertRaisesRegexp( SaltRenderError, expected, render_jinja_tmpl, template, dict(opts=self.local_opts, saltenv='test') ) class TestCustomExtensions(TestCase): def test_serialize_json(self): dataset = { "foo": True, "bar": 42, "baz": [1, 2, 3], "qux": 2.0 } env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{{ dataset|json }}').render(dataset=dataset) self.assertEqual(dataset, json.loads(rendered)) def test_serialize_yaml(self): dataset = { "foo": True, "bar": 42, "baz": [1, 2, 3], "qux": 2.0 } env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{{ dataset|yaml }}').render(dataset=dataset) self.assertEqual(dataset, yaml.load(rendered)) def test_serialize_python(self): dataset = { "foo": True, "bar": 42, "baz": [1, 2, 3], "qux": 2.0 } env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{{ dataset|python }}').render(dataset=dataset) self.assertEqual(rendered, pprint.pformat(dataset)) def test_load_yaml(self): env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{% set document = "{foo: it works}"|load_yaml %}{{ document.foo }}').render() self.assertEqual(rendered, u"it works") rendered = env.from_string('{% set document = document|load_yaml %}' '{{ document.foo }}').render(document="{foo: it works}") self.assertEqual(rendered, u"it works") with self.assertRaises(exceptions.TemplateRuntimeError): env.from_string('{% set document = document|load_yaml %}' '{{ document.foo }}').render(document={"foo": "it works"}) def test_load_tag(self): env = Environment(extensions=[SerializerExtension]) source = '{{ bar }}, ' + \ '{% load_yaml as docu %}{foo: it works, {{ bar }}: baz}{% endload %}' + \ '{{ docu.foo }}' rendered = env.from_string(source).render(bar="barred") self.assertEqual(rendered, u"barred, it works") source = '{{ bar }}, {% load_json as docu %}{"foo": "it works", "{{ bar }}": "baz"}{% endload %}' + \ '{{ docu.foo }}' rendered = env.from_string(source).render(bar="barred") self.assertEqual(rendered, u"barred, it works") with self.assertRaises(exceptions.TemplateSyntaxError): env.from_string('{% load_yamle as document %}{foo, bar: it works}{% endload %}').render() with self.assertRaises(exceptions.TemplateRuntimeError): env.from_string('{% load_json as document %}{foo, bar: it works}{% endload %}').render() def test_load_json(self): env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{% set document = \'{"foo": "it works"}\'|load_json %}' '{{ document.foo }}').render() self.assertEqual(rendered, u"it works") rendered = env.from_string('{% set document = document|load_json %}' '{{ document.foo }}').render(document='{"foo": "it works"}') self.assertEqual(rendered, u"it works") # bad quotes with self.assertRaises(exceptions.TemplateRuntimeError): env.from_string("{{ document|load_json }}").render(document="{'foo': 'it works'}") # not a string with self.assertRaises(exceptions.TemplateRuntimeError): env.from_string('{{ document|load_json }}').render(document={"foo": "it works"}) def test_load_yaml_template(self): loader = DictLoader({'foo': '{bar: "my god is blue", foo: [1, 2, 3]}'}) env = Environment(extensions=[SerializerExtension], loader=loader) rendered = env.from_string('{% import_yaml "foo" as doc %}{{ doc.bar }}').render() self.assertEqual(rendered, u"my god is blue") with self.assertRaises(exceptions.TemplateNotFound): env.from_string('{% import_yaml "does not exists" as doc %}').render() def test_load_json_template(self): loader = DictLoader({'foo': '{"bar": "my god is blue", "foo": [1, 2, 3]}'}) env = Environment(extensions=[SerializerExtension], loader=loader) rendered = env.from_string('{% import_json "foo" as doc %}{{ doc.bar }}').render() self.assertEqual(rendered, u"my god is blue") with self.assertRaises(exceptions.TemplateNotFound): env.from_string('{% import_json "does not exists" as doc %}').render() def test_load_text_template(self): loader = DictLoader({'foo': 'Foo!'}) env = Environment(extensions=[SerializerExtension], loader=loader) rendered = env.from_string('{% import_text "foo" as doc %}{{ doc }}').render() self.assertEqual(rendered, u"Foo!") with self.assertRaises(exceptions.TemplateNotFound): env.from_string('{% import_text "does not exists" as doc %}').render() def test_catalog(self): loader = DictLoader({ 'doc1': '{bar: "my god is blue"}', 'doc2': '{% import_yaml "doc1" as local2 %} never exported', 'doc3': '{% load_yaml as local3 %}{"foo": "it works"}{% endload %} me neither', 'main1': '{% from "doc2" import local2 %}{{ local2.bar }}', 'main2': '{% from "doc3" import local3 %}{{ local3.foo }}', 'main3': ''' {% import "doc2" as imported2 %} {% import "doc3" as imported3 %} {{ imported2.local2.bar }} ''', 'main4': ''' {% import "doc2" as imported2 %} {% import "doc3" as imported3 %} {{ imported3.local3.foo }} ''', 'main5': ''' {% from "doc2" import local2 as imported2 %} {% from "doc3" import local3 as imported3 %} {{ imported2.bar }} ''', 'main6': ''' {% from "doc2" import local2 as imported2 %} {% from "doc3" import local3 as imported3 %} {{ imported3.foo }} ''' }) env = Environment(extensions=[SerializerExtension], loader=loader) rendered = env.get_template('main1').render() self.assertEqual(rendered, u"my god is blue") rendered = env.get_template('main2').render() self.assertEqual(rendered, u"it works") rendered = env.get_template('main3').render().strip() self.assertEqual(rendered, u"my god is blue") rendered = env.get_template('main4').render().strip() self.assertEqual(rendered, u"it works") rendered = env.get_template('main5').render().strip() self.assertEqual(rendered, u"my god is blue") rendered = env.get_template('main6').render().strip() self.assertEqual(rendered, u"it works") def test_nested_structures(self): env = Environment(extensions=[SerializerExtension]) rendered = env.from_string('{{ data }}').render(data="foo") self.assertEqual(rendered, u"foo") data = OrderedDict([ ('foo', OrderedDict([ ('bar', 'baz'), ('qux', 42) ]) ) ]) rendered = env.from_string('{{ data }}').render(data=data) self.assertEqual(rendered, u"{'foo': {'bar': 'baz', 'qux': 42}}") rendered = env.from_string('{{ data }}').render(data=[ OrderedDict( foo='bar', ), OrderedDict( baz=42, ) ]) self.assertEqual(rendered, u"[{'foo': 'bar'}, {'baz': 42}]") def test_sequence(self): env = Environment() env.filters['sequence'] = ensure_sequence_filter rendered = env.from_string('{{ data | sequence | length }}') \ .render(data='foo') self.assertEqual(rendered, '1') rendered = env.from_string('{{ data | sequence | length }}') \ .render(data=['foo', 'bar']) self.assertEqual(rendered, '2') rendered = env.from_string('{{ data | sequence | length }}') \ .render(data=('foo', 'bar')) self.assertEqual(rendered, '2') rendered = env.from_string('{{ data | sequence | length }}') \ .render(data=set(['foo', 'bar'])) self.assertEqual(rendered, '2') rendered = env.from_string('{{ data | sequence | length }}') \ .render(data={'foo': 'bar'}) self.assertEqual(rendered, '1') # def test_print(self): # env = Environment(extensions=[SerializerExtension]) # source = '{% import_yaml "toto.foo" as docu %}' # name, filename = None, '' # parsed = env._parse(source, name, filename) # print parsed # print # compiled = env._generate(parsed, name, filename) # print compiled # return class TestDotNotationLookup(ModuleCase): ''' Tests to call Salt functions via Jinja with various lookup syntaxes ''' def setUp(self, *args, **kwargs): functions = { 'mocktest.ping': lambda: True, 'mockgrains.get': lambda x: 'jerry', } minion_opts = salt.config.minion_config(os.path.join(TMP_CONF_DIR, 'minion')) render = salt.loader.render(minion_opts, functions) self.jinja = render.get('jinja') def render(self, tmpl_str, context=None): return self.jinja(tmpl_str, context=context or {}, from_str=True).read() def test_normlookup(self): ''' Sanity-check the normal dictionary-lookup syntax for our stub function ''' tmpl_str = '''Hello, {{ salt['mocktest.ping']() }}.''' ret = self.render(tmpl_str) self.assertEqual(ret, 'Hello, True.') def test_dotlookup(self): ''' Check calling a stub function using awesome dot-notation ''' tmpl_str = '''Hello, {{ salt.mocktest.ping() }}.''' ret = self.render(tmpl_str) self.assertEqual(ret, 'Hello, True.') def test_shadowed_dict_method(self): ''' Check calling a stub function with a name that shadows a ``dict`` method name ''' tmpl_str = '''Hello, {{ salt.mockgrains.get('id') }}.''' ret = self.render(tmpl_str) self.assertEqual(ret, 'Hello, jerry.') if __name__ == '__main__': from integration import run_tests run_tests(TestSaltCacheLoader, TestGetTemplate, TestCustomExtensions, TestDotNotationLookup, needs_daemon=False)