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test_jinja2.py
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test_jinja2.py
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#!/usr/bin/env python3
#
# Copyright 2019 The Kapitan Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"jinja2 tests"
import unittest
import tempfile
from kapitan.utils import render_jinja2_file
from kapitan.resources import inventory
class Jinja2FiltersTest(unittest.TestCase):
def test_sha256(self):
with tempfile.NamedTemporaryFile() as f:
f.write("{{text|sha256}}".encode("UTF-8"))
f.seek(0)
context = {"text": "this and that"}
digest = 'e863c1ac42619a2b429a08775a6acd89ff4c2c6b8dae12e3461a5fa63b2f92f5'
self.assertEqual(render_jinja2_file(f.name, context), digest)
def test_base64_encode(self):
with tempfile.NamedTemporaryFile() as f:
f.write("{{text|b64encode}}".encode("UTF-8"))
f.seek(0)
context = {"text": "this and that"}
base64_encoded = "dGhpcyBhbmQgdGhhdA=="
self.assertEqual(render_jinja2_file(f.name, context), base64_encoded)
def test_base64_decode(self):
with tempfile.NamedTemporaryFile() as f:
f.write("{{text|b64decode}}".encode("UTF-8"))
f.seek(0)
context = {"text": "dGhpcyBhbmQgdGhhdA=="}
base64_decoded = "this and that"
self.assertEqual(render_jinja2_file(f.name, context), base64_decoded)
def test_yaml(self):
with tempfile.NamedTemporaryFile() as f:
f.write("{{text|yaml}}".encode("UTF-8"))
f.seek(0)
context = {"text": ["this", "that"]}
yaml = '- this\n- that\n'
self.assertEqual(render_jinja2_file(f.name, context), yaml)
class Jinja2ContextVars(unittest.TestCase):
def test_inventory_context(self):
with tempfile.NamedTemporaryFile() as f:
f.write("{{inventory.parameters.cluster.name}}".encode("UTF-8"))
cluster_name = "minikube"
target_name = "minikube-es"
inv = inventory(["examples/kubernetes"], target_name)
context = {"inventory": inv}
f.seek(0)
self.assertEqual(render_jinja2_file(f.name, context), cluster_name)
def test_inventory_global_context(self):
with tempfile.NamedTemporaryFile() as f:
target_name = "minikube-es"
f.write("{{inventory_global[\"%s\"].parameters.cluster.name}}".encode("UTF-8") % target_name.encode("UTF-8"))
cluster_name = "minikube"
inv_global = inventory(["examples/kubernetes"], None)
context = {"inventory_global": inv_global}
f.seek(0)
self.assertEqual(render_jinja2_file(f.name, context), cluster_name)