salt/tests/unit/templates/jinja_test.py

493 lines
19 KiB
Python

# -*- coding: utf-8 -*-
# Import python libs
import os
import tempfile
import json
import datetime
import textwrap
import pprint
# Import Salt Testing libs
from salttesting import skipIf, TestCase
from salttesting.helpers import ensure_in_syspath
ensure_in_syspath('../../')
# Import salt libs
import salt.utils
from salt.exceptions import SaltRenderError
from salt.utils import get_context
from salt.utils.jinja import SaltCacheLoader, SerializerExtension
from salt.utils.templates import (
JINJA,
render_jinja_tmpl,
)
from salt.utils.odict import OrderedDict
# Import 3rd party libs
import yaml
from jinja2 import Environment, DictLoader, exceptions
try:
import timelib
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 test_searchpath(self):
'''
The searchpath is based on the cachedir option and the saltenv parameter
'''
tmp = tempfile.gettempdir()
loader = SaltCacheLoader({'cachedir': tmp}, 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({'cachedir': TEMPLATES_DIR}, '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({'cachedir': TEMPLATES_DIR}, '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_roots': {
'other': [os.path.join(TEMPLATES_DIR, 'files', 'test')]
}
}
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='other'))
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='other'))
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'},
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_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'},
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'},
a='Hi', b='Sàlt', saltenv='test'))
self.assertEqual(u'Assunção\n', out)
self.assertEqual(fc.requests[0]['path'], 'salt://macro')
SaltCacheLoader.file_client = _fc
def test_non_ascii(self):
fn = os.path.join(TEMPLATES_DIR, 'files', 'test', 'non_ascii')
out = JINJA(fn, opts=self.local_opts, saltenv='other')
with salt.utils.fopen(out['data']) as fp:
result = fp.read().decode('utf-8')
self.assertEqual(u'Assunção\n', result)
@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='other'))
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='other'))
self.assertEqual(response, '2002-12-25')
response = render_jinja_tmpl('{{ object|strftime("%b %d, %Y") }}',
dict(object=object, opts=self.local_opts, saltenv='other'))
self.assertEqual(response, 'Dec 25, 2002')
response = render_jinja_tmpl('{{ object|strftime("%y") }}',
dict(object=object, opts=self.local_opts, saltenv='other'))
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='other')
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='other')
)
def test_render_with_undefined_variable(self):
template = "hello\n\n{{ foo }}\n\nfoo"
expected = r'Jinja variable \'foo\' is undefined;.*\n\n---\nhello\n\n{{ foo }}.*'
self.assertRaisesRegexp(
SaltRenderError,
expected,
render_jinja_tmpl,
template,
dict(opts=self.local_opts, saltenv='other')
)
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_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_print(self):
# env = Environment(extensions=[SerializerExtension])
# source = '{% import_yaml "toto.foo" as docu %}'
# name, filename = None, '<filename>'
# parsed = env._parse(source, name, filename)
# print parsed
# print
# compiled = env._generate(parsed, name, filename)
# print compiled
# return
if __name__ == '__main__':
from integration import run_tests
run_tests(TestSaltCacheLoader, TestGetTemplate, TestCustomExtensions,
needs_daemon=False)