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# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.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 ansible.compat.tests import unittest
from ansible.compat.tests.mock import patch, MagicMock
from ansible import constants as C
from ansible.errors import *
from ansible.plugins import filter_loader, lookup_loader, module_loader
from ansible.executor.task_queue_manager import SharedPluginLoaderObj
from ansible.template import Templar
from units.mock.loader import DictDataLoader
class TestTemplar(unittest.TestCase):
def setUp(self):
fake_loader = DictDataLoader({
"/path/to/my_file.txt": "foo\n",
})
shared_loader = SharedPluginLoaderObj()
variables = dict(
foo="bar",
bam="{{foo}}",
num=1,
var_true=True,
var_false=False,
var_dict=dict(a="b"),
bad_dict="{a='b'",
var_list=[1],
recursive="{{recursive}}",
)
self.templar = Templar(loader=fake_loader, variables=variables)
def tearDown(self):
pass
def test_templar_simple(self):
templar = self.templar
# test some basic templating
self.assertEqual(templar.template("{{foo}}"), "bar")
self.assertEqual(templar.template("{{foo}}\n"), "bar\n")
self.assertEqual(templar.template("{{foo}}\n", preserve_trailing_newlines=True), "bar\n")
self.assertEqual(templar.template("{{foo}}\n", preserve_trailing_newlines=False), "bar")
self.assertEqual(templar.template("foo", convert_bare=True), "bar")
self.assertEqual(templar.template("{{bam}}"), "bar")
self.assertEqual(templar.template("{{num}}"), 1)
self.assertEqual(templar.template("{{var_true}}"), True)
self.assertEqual(templar.template("{{var_false}}"), False)
self.assertEqual(templar.template("{{var_dict}}"), dict(a="b"))
self.assertEqual(templar.template("{{bad_dict}}"), "{a='b'")
self.assertEqual(templar.template("{{var_list}}"), [1])
self.assertEqual(templar.template(1, convert_bare=True), 1)
# force errors
self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{bad_var}}")
self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{lookup('file', bad_var)}}")
self.assertRaises(AnsibleError, templar.template, "{{lookup('bad_lookup')}}")
self.assertRaises(AnsibleError, templar.template, "{{recursive}}")
self.assertRaises(AnsibleUndefinedVariable, templar.template, "{{foo-bar}}")
# test with fail_on_undefined=False
self.assertEqual(templar.template("{{bad_var}}", fail_on_undefined=False), "{{bad_var}}")
# test set_available_variables()
templar.set_available_variables(variables=dict(foo="bam"))
self.assertEqual(templar.template("{{foo}}"), "bam")
# variables must be a dict() for set_available_variables()
self.assertRaises(AssertionError, templar.set_available_variables, "foo=bam")
def test_templar_escape_backslashes(self):
# Rule of thumb: If escape backslashes is True you should end up with
# the same number of backslashes as when you started.
self.assertEqual(self.templar.template("\t{{foo}}", escape_backslashes=True), "\tbar")
self.assertEqual(self.templar.template("\t{{foo}}", escape_backslashes=False), "\tbar")
self.assertEqual(self.templar.template("\\{{foo}}", escape_backslashes=True), "\\bar")
self.assertEqual(self.templar.template("\\{{foo}}", escape_backslashes=False), "\\bar")
self.assertEqual(self.templar.template("\\{{foo + '\t' }}", escape_backslashes=True), "\\bar\t")
self.assertEqual(self.templar.template("\\{{foo + '\t' }}", escape_backslashes=False), "\\bar\t")
self.assertEqual(self.templar.template("\\{{foo + '\\t' }}", escape_backslashes=True), "\\bar\\t")
self.assertEqual(self.templar.template("\\{{foo + '\\t' }}", escape_backslashes=False), "\\bar\t")
self.assertEqual(self.templar.template("\\{{foo + '\\\\t' }}", escape_backslashes=True), "\\bar\\\\t")
self.assertEqual(self.templar.template("\\{{foo + '\\\\t' }}", escape_backslashes=False), "\\bar\\t")
def test_template_jinja2_extensions(self):
fake_loader = DictDataLoader({})
templar = Templar(loader=fake_loader)
old_exts = C.DEFAULT_JINJA2_EXTENSIONS
try:
C.DEFAULT_JINJA2_EXTENSIONS = "foo,bar"
self.assertEqual(templar._get_extensions(), ['foo', 'bar'])
finally:
C.DEFAULT_JINJA2_EXTENSIONS = old_exts
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