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dns_test.py
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import os
import pytest
from click.testing import CliRunner
import config.main as config
import show.main as show
from utilities_common.db import Db
test_path = os.path.dirname(os.path.abspath(__file__))
dns_show_nameservers_header = """\
Nameserver
------------
"""
dns_show_nameservers = """\
Nameserver
--------------------
1.1.1.1
2001:4860:4860::8888
"""
class TestDns(object):
valid_nameservers = (
("1.1.1.1",),
("1.1.1.1", "8.8.8.8", "10.10.10.10",),
("1.1.1.1", "2001:4860:4860::8888"),
("2001:4860:4860::8888", "2001:4860:4860::8844", "2001:4860:4860::8800")
)
invalid_nameservers = (
"0.0.0.0",
"255.255.255.255",
"224.0.0.0",
"0::0",
"0::1",
"1.1.1.x",
"2001:4860:4860.8888",
"ff02::1"
)
config_dns_ns_add = config.config.commands["dns"].commands["nameserver"].commands["add"]
config_dns_ns_del = config.config.commands["dns"].commands["nameserver"].commands["del"]
show_dns_ns = show.cli.commands["dns"].commands["nameserver"]
@classmethod
def setup_class(cls):
print("SETUP")
os.environ["UTILITIES_UNIT_TESTING"] = "1"
@classmethod
def teardown_class(cls):
os.environ['UTILITIES_UNIT_TESTING'] = "0"
print("TEARDOWN")
@pytest.mark.parametrize('nameservers', valid_nameservers)
def test_dns_config_nameserver_add_del_with_valid_ip_addresses(self, nameservers):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
for ip in nameservers:
# config dns nameserver add <ip>
result = runner.invoke(self.config_dns_ns_add, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert ip in db.cfgdb.get_table('DNS_NAMESERVER')
for ip in nameservers:
# config dns nameserver del <ip>
result = runner.invoke(self.config_dns_ns_del, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert ip not in db.cfgdb.get_table('DNS_NAMESERVER')
@pytest.mark.parametrize('nameserver', invalid_nameservers)
def test_dns_config_nameserver_add_del_with_invalid_ip_addresses(self, nameserver):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
# config dns nameserver add <nameserver>
result = runner.invoke(self.config_dns_ns_add, [nameserver], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code != 0
assert "invalid nameserver ip address" in result.output
# config dns nameserver del <nameserver>
result = runner.invoke(self.config_dns_ns_del, [nameserver], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code != 0
assert "invalid nameserver ip address" in result.output
@pytest.mark.parametrize('nameservers', valid_nameservers)
def test_dns_config_nameserver_add_existing_ip(self, nameservers):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
for ip in nameservers:
# config dns nameserver add <ip>
result = runner.invoke(self.config_dns_ns_add, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert ip in db.cfgdb.get_table('DNS_NAMESERVER')
# Execute command once more
result = runner.invoke(self.config_dns_ns_add, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code != 0
assert "nameserver is already configured" in result.output
# config dns nameserver del <ip>
result = runner.invoke(self.config_dns_ns_del, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
@pytest.mark.parametrize('nameservers', valid_nameservers)
def test_dns_config_nameserver_del_unexisting_ip(self, nameservers):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
for ip in nameservers:
# config dns nameserver del <ip>
result = runner.invoke(self.config_dns_ns_del, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code != 0
assert "is not configured" in result.output
def test_dns_config_nameserver_add_max_number(self):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
nameservers = ("1.1.1.1", "2.2.2.2", "3.3.3.3")
for ip in nameservers:
# config dns nameserver add <ip>
result = runner.invoke(self.config_dns_ns_add, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
# config dns nameserver add <ip>
result = runner.invoke(self.config_dns_ns_add, ["4.4.4.4"], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code != 0
assert "nameservers exceeded" in result.output
for ip in nameservers:
# config dns nameserver del <ip>
result = runner.invoke(self.config_dns_ns_del, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
def test_dns_show_nameserver_empty_table(self):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
# show dns nameserver
result = runner.invoke(self.show_dns_ns, [], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert result.output == dns_show_nameservers_header
def test_dns_show_nameserver(self):
db = Db()
runner = CliRunner()
obj = {'db': db.cfgdb}
nameservers = ("1.1.1.1", "2001:4860:4860::8888")
for ip in nameservers:
# config dns nameserver add <ip>
result = runner.invoke(self.config_dns_ns_add, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert ip in db.cfgdb.get_table('DNS_NAMESERVER')
# show dns nameserver
result = runner.invoke(self.show_dns_ns, [], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert result.output == dns_show_nameservers
for ip in nameservers:
# config dns nameserver del <ip>
result = runner.invoke(self.config_dns_ns_del, [ip], obj=obj)
print(result.exit_code, result.output)
assert result.exit_code == 0
assert ip not in db.cfgdb.get_table('DNS_NAMESERVER')