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# Copyright (C) 2014 Yahoo! Inc.
#
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
from __future__ import print_function
from . import helpers as test_helpers
import textwrap
from cloudinit import templater
try:
import Cheetah
HAS_CHEETAH = True
Cheetah # make pyflakes happy, as Cheetah is not used here
except ImportError:
HAS_CHEETAH = False
class TestTemplates(test_helpers.TestCase):
def test_render_basic(self):
in_data = textwrap.dedent("""
${b}
c = d
""")
in_data = in_data.strip()
expected_data = textwrap.dedent("""
2
c = d
""")
out_data = templater.basic_render(in_data, {'b': 2})
self.assertEqual(expected_data.strip(), out_data)
@test_helpers.skipIf(not HAS_CHEETAH, 'cheetah renderer not available')
def test_detection(self):
blob = "## template:cheetah"
(template_type, renderer, contents) = templater.detect_template(blob)
self.assertIn("cheetah", template_type)
self.assertEqual("", contents.strip())
blob = "blahblah $blah"
(template_type, renderer, contents) = templater.detect_template(blob)
self.assertIn("cheetah", template_type)
self.assertEqual(blob, contents)
blob = '##template:something-new'
self.assertRaises(ValueError, templater.detect_template, blob)
def test_render_cheetah(self):
blob = '''## template:cheetah
$a,$b'''
c = templater.render_string(blob, {"a": 1, "b": 2})
self.assertEqual("1,2", c)
def test_render_jinja(self):
blob = '''## template:jinja
{{a}},{{b}}'''
c = templater.render_string(blob, {"a": 1, "b": 2})
self.assertEqual("1,2", c)
def test_render_default(self):
blob = '''$a,$b'''
c = templater.render_string(blob, {"a": 1, "b": 2})
self.assertEqual("1,2", c)
def test_render_basic_deeper(self):
hn = 'myfoohost.yahoo.com'
expected_data = "h=%s\nc=d\n" % hn
in_data = "h=$hostname.canonical_name\nc=d\n"
params = {
"hostname": {
"canonical_name": hn,
},
}
out_data = templater.render_string(in_data, params)
self.assertEqual(expected_data, out_data)
def test_render_basic_no_parens(self):
hn = "myfoohost"
in_data = "h=$hostname\nc=d\n"
expected_data = "h=%s\nc=d\n" % hn
out_data = templater.basic_render(in_data, {'hostname': hn})
self.assertEqual(expected_data, out_data)
def test_render_basic_parens(self):
hn = "myfoohost"
in_data = "h = ${hostname}\nc=d\n"
expected_data = "h = %s\nc=d\n" % hn
out_data = templater.basic_render(in_data, {'hostname': hn})
self.assertEqual(expected_data, out_data)
def test_render_basic2(self):
mirror = "mymirror"
codename = "zany"
in_data = "deb $mirror $codename-updates main contrib non-free"
ex_data = "deb %s %s-updates main contrib non-free" % (mirror,
codename)
out_data = templater.basic_render(in_data,
{'mirror': mirror,
'codename': codename})
self.assertEqual(ex_data, out_data)
# vi: ts=4 expandtab
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