# ============LICENSE_START=======================================================
# org.onap.dcae
# ================================================================================
# Copyright (c) 2018-2020 AT&T Intellectual Property. All rights reserved.
# Copyright (c) 2019 Pantheon.tech. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================

# Basic sanity tests for  k8sclient functions

import pytest

def test_parse_interval():
    from k8sclient.k8sclient import _parse_interval

    good_intervals = [{"in": input, "ex": expected}
        for (input, expected) in [
            (30, 30),
            ("30", 30),
            ("30s", 30),
            ("2m", 2 * 60),
            ("2h", 2 * 60 * 60),
            ("24h", 24 * 60 * 60),
            (354123, 354123),
            ("354123", 354123),
            ("354123s", 354123),
            (1234567890123456789012345678901234567890,1234567890123456789012345678901234567890),
            ("1234567890123456789012345678901234567890",1234567890123456789012345678901234567890),
            ("1234567890123456789012345678901234567890s",1234567890123456789012345678901234567890),
            ("05s", 5),
            ("00000000000000000000000000000000005m", 5 * 60)
        ]
    ]

    bad_intervals = [
        -99,
        "-99",
        "-99s",
        "-99m",
        "-99h",
        "30d",
        "30w",
        "30y",
        "3 0s",
        "3 5m",
        30.0,
        "30.0s",
        "30.0m",
        "30.0h",
        "a 30s",
        "30s a",
        "a 30s a",
        "a 30",
        "30 a",
        "a 30 a",
        "i want an interval of 30s",
        "thirty seconds",
        "30 s",
        "30 m",
        "30 h",
        10E0,
        "10E0",
        3.14159,
        "3.14159s"
        "3:05",
        "3m05s",
        "3seconds",
        "3S",
        "1minute",
        "1stanbul"
    ]

    for test_case in good_intervals:
        assert _parse_interval(test_case["in"]) == test_case["ex"]

    for interval in bad_intervals:
        with pytest.raises(ValueError):
            _parse_interval(interval)

def test_parse_ports():
    from k8sclient.k8sclient import parse_ports

    good_ports = [{"in": input, "ex": expected}
        for (input, expected) in [
            ({u'concat': [u'9101', u':', 0], u'ipv6': True}, (9101, 0, True, "TCP")),
            ({u'concat': [u'9102', u':', 0], u'ipv6': False}, (9102, 0, False, "TCP")),
            ({u'concat': [u'9103', u':', 36000], u'ipv6': True}, (9103, 36000, True, "TCP")),
            ("9101/TCP:0", (9101, 0, False, "TCP")),
            ("9101/tcp:0", (9101, 0, False, "TCP")),
            ("9101/UDP:0", (9101, 0, False, "UDP")),
            ("9101/udp:0", (9101, 0, False, "UDP")),
            ("9101:31043", (9101, 31043, False, "TCP")),
            ("9101/TCP:31043", (9101, 31043, False, "TCP")),
            ("9101/tcp:31043", (9101, 31043, False, "TCP")),
            ("9101/UDP:31043", (9101, 31043, False, "UDP")),
            ("9101/udp:31043", (9101, 31043, False, "UDP"))
        ]
    ]

    bad_ports = [
        "9101",
        "9101:",
        "9101:0x453",
        "9101:0/udp",
        "9101/:0",
        "9101/u:0",
        "9101/http:404",
        "9101:-1"
    ]

    port_list = [
        {u'concat': [u'9101', u':', 3023], u'ipv6': True},
        {u'concat': [u'9102', u':', 0], u'ipv6': True},
        {u'concat': [u'9103', u':', 0], u'ipv6': False},
        "5053/tcp:5053",
        "5053/udp:5053",
        "9661:19661",
        "9661/udp:19661",
        "8080/tcp:8080"
    ]

    expected_port_map = {
        (9101, "TCP", True): 3023,
        (9102, "TCP", True): 0,
        (9103, "TCP", False): 0,
        (5053, "TCP", False): 5053,
        (5053, "UDP", False): 5053,
        (9661, "TCP", False): 19661,
        (9661, "UDP", False): 19661,
        (8080, "TCP", False): 8080
    }

    for test_case in good_ports:
        container_ports, port_map = parse_ports([test_case["in"]])
        (cport, hport, ipv6, proto) = test_case["ex"]
        assert container_ports == [(cport, proto)]
        assert port_map == {(cport, proto, ipv6): hport}

    for port in bad_ports:
        with pytest.raises(ValueError):
            parse_ports([port])

    container_ports, port_map = parse_ports(port_list)
    assert port_map == expected_port_map

def test_create_container():
    from k8sclient.k8sclient import _create_container_object
    from kubernetes import client

    container = _create_container_object("c1","nginx",False, container_ports=[(80, "TCP"), (53, "UDP")])

    assert container.ports[0].container_port == 80 and container.ports[0].protocol == "TCP"
    assert container.ports[1].container_port == 53 and container.ports[1].protocol == "UDP"

def test_create_probe():
    from k8sclient.k8sclient import _create_probe
    from kubernetes import client

    http_checks = [
        {"type" : "http", "endpoint" : "/example/health"}
    ]

    script_checks = [
        {"type" : "docker", "script": "/opt/app/health_check.sh"}
    ]

    for hc in http_checks:
        probe = _create_probe(hc, 13131)
        assert probe.http_get.path == hc["endpoint"]
        assert probe.http_get.scheme == hc["type"].upper()

    for hc in script_checks:
        probe = _create_probe(hc, 13131)
        assert probe._exec.command[0] == hc["script"]