# -*- coding: utf-8 -*-

import mock
import os
import sys

from pungi.runroot import Runroot
from tests import helpers


class TestRunrootOpenSSH(helpers.PungiTestCase):
    def setUp(self):
        super(TestRunrootOpenSSH, self).setUp()
        self.compose = helpers.DummyCompose(self.topdir, {
            "runroot": True,
            "runroot_method": "openssh",
            "runroot_ssh_user": "root",
            "runroot_ssh_hostnames": {
                "x86_64": "localhost"
            },
            "runroot_tag": "f28-build",
        })

        self.runroot = Runroot(self.compose)

    def test_get_runroot_method(self):
        method = self.runroot.get_runroot_method()
        self.assertEqual(method, "openssh")

    def test_get_runroot_method_phase(self):
        self.compose.conf["runroot_method"] = {"ostree": "openssh"}
        method = self.runroot.get_runroot_method(phase="ostree")
        self.assertEqual(method, "openssh")

        # Test fallback to local
        method = self.runroot.get_runroot_method(phase="createiso")
        self.assertEqual(method, "local")

    def test_get_runroot_method_global_runroot_method(self):
        self.compose.conf["runroot_method"] = {"ostree": "openssh"}
        self.compose.conf["global_runroot_method"] = "koji"
        method = self.runroot.get_runroot_method(phase="ostree")
        self.assertEqual(method, "openssh")

        # Test global_runroot_method
        method = self.runroot.get_runroot_method(phase="createiso")
        self.assertEqual(method, "koji")

    def _ssh_call(self, cmd, suffix=None):
        """
        Helper method returning default SSH mock.call with given command `cmd`.
        """
        logfile = ("/foo/runroot." + suffix + ".log") if suffix else "/foo/runroot.log"
        return mock.call(
            ['ssh', '-oBatchMode=yes', '-n', '-l', 'root', 'localhost', cmd],
            logfile=logfile,
            show_cmd=True,
        )

    @mock.patch("pungi.runroot.run")
    def test_run(self, run):
        run.return_value = (0, "dummy output\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64")
        run.assert_has_calls([
            self._ssh_call('df -h'),
            self._ssh_call(
                "rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'", suffix="rpms"
            ),
        ])

    @mock.patch("pungi.runroot.run")
    def test_get_buildroot_rpms(self, run):
        # Run the runroot task at first.
        run.return_value = (0, "foo-1-1.fc29.noarch\nbar-1-1.fc29.noarch\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64")

        rpms = self.runroot.get_buildroot_rpms()
        self.assertEqual(
            set(rpms), set(["foo-1-1.fc29.noarch", "bar-1-1.fc29.noarch"]))

    @mock.patch("pungi.runroot.run")
    def test_run_templates(self, run):
        self.compose.conf["runroot_ssh_init_template"] = "/usr/sbin/init_runroot {runroot_tag}"
        self.compose.conf["runroot_ssh_install_packages_template"] = \
            "install {runroot_key} {packages}"
        self.compose.conf["runroot_ssh_run_template"] = "run {runroot_key} {command}"

        run.return_value = (0, "key\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64",
                         packages=["lorax", "automake"])
        run.assert_has_calls([
            self._ssh_call('/usr/sbin/init_runroot f28-build', suffix="init"),
            self._ssh_call('install key lorax automake', suffix="install_packages"),
            self._ssh_call('run key df -h'),
            self._ssh_call(
                "run key rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'",
                suffix="rpms",
            ),
        ])

    @mock.patch("pungi.runroot.run")
    def test_run_templates_no_init(self, run):
        self.compose.conf["runroot_ssh_install_packages_template"] = \
            "install {packages}"
        self.compose.conf["runroot_ssh_run_template"] = "run {command}"

        run.return_value = (0, "key\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64",
                         packages=["lorax", "automake"])
        run.assert_has_calls([
            self._ssh_call('install lorax automake', suffix="install_packages"),
            self._ssh_call('run df -h'),
            self._ssh_call(
                "run rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'",
                suffix="rpms",
            ),
        ])

    @mock.patch("pungi.runroot.run")
    def test_run_templates_no_packages(self, run):
        self.compose.conf["runroot_ssh_install_packages_template"] = \
            "install {packages}"
        self.compose.conf["runroot_ssh_run_template"] = "run {command}"

        run.return_value = (0, "key\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64")
        run.assert_has_calls([
            self._ssh_call('run df -h'),
            self._ssh_call(
                "run rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'",
                suffix="rpms",
            ),
        ])

    @mock.patch("pungi.runroot.run")
    def test_run_templates_no_install_packages(self, run):
        self.compose.conf["runroot_ssh_run_template"] = "run {command}"

        run.return_value = (0, "key\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64",
                         packages=["lorax", "automake"])
        run.assert_has_calls([
            self._ssh_call('run df -h'),
            self._ssh_call(
                "run rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'",
                suffix="rpms",
            ),
        ])

    @mock.patch("pungi.runroot.run")
    def test_run_templates_output_dir(self, run):
        self.compose.conf["runroot_ssh_run_template"] = "run {command}"

        run.return_value = (0, "key\n")
        self.runroot.run("df -h", log_file="/foo/runroot.log", arch="x86_64",
                         packages=["lorax", "automake"],
                         chown_paths=["/mnt/foo/compose", "/mnt/foo/x"])
        run.assert_has_calls([
            self._ssh_call(
                "run df -h && chmod -R a+r /mnt/foo/compose /mnt/foo/x && "
                "chown -R %d /mnt/foo/compose /mnt/foo/x" % os.getuid()),
            self._ssh_call(
                "run rpm -qa --qf='%{name}-%{version}-%{release}.%{arch}\n'",
                suffix="rpms",
            ),
        ])