#!/usr/bin/python3

import unittest
import os
import copy
import tempfile

import apt_pkg
import aptsources.sourceslist
import aptsources.distro

import testcommon


class TestAptSources(testcommon.TestCase):

    def setUp(self):
        testcommon.TestCase.setUp(self)
        if apt_pkg.config["APT::Architecture"] not in ('i386', 'amd64'):
            apt_pkg.config.set("APT::Architecture", "i386")
        apt_pkg.config.set("Dir::Etc", os.getcwd())
        apt_pkg.config.set("Dir::Etc::sourceparts", tempfile.mkdtemp())
        if os.path.exists("./build/data/templates"):
            self.templates = os.path.abspath("./build/data/templates")
        elif os.path.exists("../build/data/templates"):
            self.templates = os.path.abspath("../build/data/templates")
        else:
            self.templates = "/usr/share/python-apt/templates/"

    def tearDown(self):
        aptsources.distro._OSRelease.OS_RELEASE_FILE = \
            aptsources.distro._OSRelease.DEFAULT_OS_RELEASE_FILE
        if "LSB_ETC_LSB_RELEASE" in os.environ:
            del os.environ["LSB_ETC_LSB_RELEASE"]

    def testIsMirror(self):
        """aptsources: Test mirror detection."""
        yes = aptsources.sourceslist.is_mirror("http://archive.ubuntu.com",
                                               "http://de.archive.ubuntu.com")
        no = aptsources.sourceslist.is_mirror("http://archive.ubuntu.com",
                                              "http://ftp.debian.org")
        self.assertTrue(yes)
        self.assertFalse(no)

    def testSourcesListReading(self):
        """aptsources: Test sources.list parsing."""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                                                   "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        self.assertEqual(len(sources.list), 10)
        # test load
        sources.list = []
        sources.load("data/aptsources/sources.list")
        self.assertEqual(len(sources.list), 10)

    def testSourcesListAdding(self):
        """aptsources: Test additions to sources.list"""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                                                   "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        # test to add something that is already there (main)
        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["main"])
        self.assertTrue(sources.list == before.list)
        # test to add something that is already there (restricted)
        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["restricted"])
        self.assertTrue(sources.list == before.list)

        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "natty",
                    ["main"], architectures=["amd64", "i386"])
        self.assertTrue(sources.list == before.list)

        # test to add something new: multiverse
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["multiverse"])
        found = False
        for entry in sources:
            if (entry.type == "deb" and
                    entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                    entry.dist == "edgy" and
                    "multiverse" in entry.comps):
                found = True
                break
        self.assertTrue(found)

        # add a new natty entry without architecture specification
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "natty",
                    ["multiverse"])
        found = False
        for entry in sources:
            if (entry.type == "deb" and
                    entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                    entry.dist == "natty" and
                    entry.architectures == [] and
                    "multiverse" in entry.comps):
                found = True
                break
        self.assertTrue(found)

        # Add universe to existing multi-arch line
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "natty",
                    ["universe"], architectures=["i386", "amd64"])
        found = False
        for entry in sources:
            if (entry.type == "deb" and
                   entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                   entry.dist == "natty" and
                   set(entry.architectures) == set(["amd64", "i386"]) and
                   set(entry.comps) == set(["main", "universe"])):
                found = True
                break
        self.assertTrue(found)
        # test to add something new: multiverse *and*
        # something that is already there
        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["universe", "something"])
        found_universe = 0
        found_something = 0
        for entry in sources:
            if (entry.type == "deb" and
                   entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                   entry.dist == "edgy"):
                for c in entry.comps:
                    if c == "universe":
                        found_universe += 1
                    if c == "something":
                        found_something += 1
        #print "\n".join([s.str() for s in sources])
        self.assertEqual(found_something, 1)
        self.assertEqual(found_universe, 1)

    def testAddingWithComment(self):
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                                                   "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)

        # test to add something that is already there (main); loses comment
        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["main"], comment="this will be lost")
        self.assertTrue(sources.list == before.list)
        for entry in sources:
            self.assertEqual(entry.comment, "")

        # test to add component to existing entry: multiverse; loses comment
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["multiverse"], comment="this will be lost")
        for entry in sources:
            self.assertEqual(entry.comment, "")

        # test to add entirely new entry; retains comment
        sources.add("deb-src", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["main"], comment="this will appear")
        found = False
        for entry in sources:
            if (entry.type == "deb-src" and
                    entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                    entry.dist == "edgy" and
                    entry.comment == "this will appear" and
                    "main" in entry.comps):
                found = True
                break
        self.assertTrue(found)

    def testInsertion(self):
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                                                   "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)

        # test to insert something that is already there (universe); does not
        # move existing entry (remains at index 2)
        before = copy.deepcopy(sources)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["universe"], pos=0)
        self.assertTrue(sources.list == before.list)
        entry = list(sources)[5]
        self.assertTrue(
            entry.type == "deb" and
            entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
            entry.dist == "edgy" and
            "universe" in entry.comps)

        # test add component to existing entry: multiverse; does not move
        # entry to which it is appended (remains at index 0)
        sources.add("deb", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["multiverse"], pos=2)
        entry = list(sources)[1]
        self.assertTrue(
            entry.type == "deb" and
            entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
            entry.dist == "edgy" and
            {"main", "multiverse"} <= set(entry.comps))

        # test to add entirely new entry; inserted at 0
        sources.add("deb-src", "http://de.archive.ubuntu.com/ubuntu/",
                    "edgy",
                    ["main"], pos=0)
        entry = list(sources)[0]
        self.assertTrue(
            entry.type == "deb-src" and
            entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
            entry.dist == "edgy" and
            "main" in entry.comps)

    def testDuplication(self):
        apt_pkg.config.set("Dir::Etc::sourcelist",
                           "data/aptsources/sources.list.testDuplication")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        test_url = "http://ppa.launchpad.net/me/myproject/ubuntu"
        # test to add something that is already there (enabled)
        before = copy.deepcopy(sources)
        sources.add("deb", test_url, "xenial", ["main"])
        self.assertTrue(sources.list == before.list)
        # test to add something that is already there (disabled)
        sources.add("# deb-src", test_url, "xenial", ["main"])
        self.assertTrue(sources.list == before.list)
        # test to enable something that is already there
        sources.add("deb-src", test_url, "xenial", ["main"])
        found = False
        self.assertEqual(len(sources.list), 2)
        for entry in sources:
            if (entry.type == "deb-src" and
                    not entry.disabled and
                    entry.uri == test_url and
                    entry.dist == "xenial" and
                    entry.architectures == [] and
                    entry.comps == ["main"]):
                found = True
                break
        self.assertTrue(found)

    def testMatcher(self):
        """aptsources: Test matcher"""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list.testDistribution")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        distro = aptsources.distro.get_distro(id="Ubuntu",
                                              codename="bionic",
                                              description="Ubuntu 18.04 LTS",
                                              release="18.04")
        distro.get_sources(sources)
        # test if all suits of the current distro were detected correctly
        for s in sources:
            if not s.template:
                self.fail("source entry '%s' has no matcher" % s)

    def testMultiArch(self):
        """aptsources: Test multi-arch parsing"""

        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        assert not sources.list[8].invalid
        assert sources.list[8].type == "deb"
        assert sources.list[8].architectures == ["amd64", "i386"]
        assert sources.list[8].uri == "http://de.archive.ubuntu.com/ubuntu/"
        assert sources.list[8].dist == "natty"
        assert sources.list[8].comps == ["main"]
        assert sources.list[8].line.strip() == str(sources.list[8])
        assert sources.list[8].trusted is None

    def testMultipleOptions(self):
        """aptsources: Test multi-arch parsing"""

        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        assert sources.list[9].invalid is False
        assert sources.list[9].type == "deb"
        assert sources.list[9].architectures == ["amd64", "i386"]
        self.assertEqual(
            sources.list[9].uri, "http://de.archive.ubuntu.com/ubuntu/")
        assert sources.list[9].dist == "natty"
        assert sources.list[9].comps == ["main"]
        assert sources.list[9].trusted
        assert sources.list[9].line.strip() == str(sources.list[9])

    def test_enable_component(self):
        target = "./data/aptsources/sources.list.enable_comps"
        line = "deb http://archive.ubuntu.com/ubuntu lucid main\n"
        with open(target, "w") as target_file:
            target_file.write(line)
        apt_pkg.config.set("Dir::Etc::sourcelist", target)
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        distro = aptsources.distro.get_distro(id="Ubuntu")
        # make sure we are using the right distro
        distro.codename = "lucid"
        distro.id = "Ubuntu"
        distro.release = "10.04"
        # and get the sources
        distro.get_sources(sources)
        # test enable_component
        comp = "multiverse"
        distro.enable_component(comp)
        comps = set()
        for entry in sources:
            comps = comps.union(set(entry.comps))
        self.assertTrue("multiverse" in comps)
        self.assertTrue("universe" in comps)

    def testDistribution(self):
        """aptsources: Test distribution detection."""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list.testDistribution")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        distro = aptsources.distro.get_distro(id="Ubuntu",
                                              codename="bionic",
                                              description="Ubuntu 18.04 LTS",
                                              release="18.04")
        distro.get_sources(sources)
        # test if all suits of the current distro were detected correctly
        dist_templates = set()
        for s in sources:
            if s.template:
                dist_templates.add(s.template.name)
        #print dist_templates
        for d in ("hardy", "hardy-security", "hardy-updates", "intrepid",
                  "hardy-backports"):
            self.assertTrue(d in dist_templates)
        # test enable
        comp = "restricted"
        distro.enable_component(comp)
        found = {}
        for entry in sources:
            if (entry.type == "deb" and
                    entry.uri == "http://de.archive.ubuntu.com/ubuntu/" and
                    "edgy" in entry.dist):
                for c in entry.comps:
                    if c == comp:
                        if entry.dist not in found:
                            found[entry.dist] = 0
                        found[entry.dist] += 1
        #print "".join([s.str() for s in sources])
        for key in found:
            self.assertEqual(found[key], 1)

        # add a not-already available component
        comp = "multiverse"
        distro.enable_component(comp)
        found = {}
        for entry in sources:
            if (entry.type == "deb" and
                    entry.template and
                    entry.template.name == "edgy"):
                for c in entry.comps:
                    if c == comp:
                        if entry.dist not in found.has_key:
                            found[entry.dist] = 0
                        found[entry.dist] += 1
        #print "".join([s.str() for s in sources])
        for key in found:
            self.assertEqual(found[key], 1)

    @unittest.skip("lsb-release test broken when it was added")
    def test_os_release_distribution(self):
        """os-release file can be read and is_like is populated accordingly"""
        os.environ["LSB_ETC_LSB_RELEASE"] = \
            os.path.abspath("./data/aptsources/lsb-release")
        aptsources.distro._OSRelease.OS_RELEASE_FILE = \
            os.path.abspath("./data/aptsources/os-release")
        distro = aptsources.distro.get_distro()
        # Everything but is_like comes from lsb_release, see TODO in
        # get_distro.
        self.assertEqual('Ubuntu', distro.id)
        self.assertEqual('xenial', distro.codename)
        self.assertEqual('Ubuntu 16.04.1 LTS', distro.description)
        self.assertEqual('16.04', distro.release)
        self.assertEqual(['ubuntu', 'debian'], distro.is_like)

    def test_enable_disabled(self):
        """LP: #1042916: Test enabling disabled entry."""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        disabled = sources.add("deb", "http://fi.archive.ubuntu.com/ubuntu/",
                    "precise",
                    ["main"])
        disabled.set_enabled(False)
        enabled = sources.add("deb", "http://fi.archive.ubuntu.com/ubuntu/",
                    "precise",
                    ["main"])
        self.assertEqual(disabled, enabled)
        self.assertFalse(disabled.disabled)

    def test_duplicate_uri_with_trailing_slash(self):
        """Test replacing entry with same uri except trailing slash"""
        apt_pkg.config.set("Dir::Etc::sourcelist", "data/aptsources/"
                           "sources.list")
        sources = aptsources.sourceslist.SourcesList(True, self.templates)
        line_wslash = "deb http://rslash.ubuntu.com/ubuntu/ precise main"
        line_woslash = "deb http://rslash.ubuntu.com/ubuntu precise main"
        entry_wslash = aptsources.sourceslist.SourceEntry(line_wslash)
        entry_woslash = aptsources.sourceslist.SourceEntry(line_woslash)
        self.assertEqual(entry_wslash, entry_woslash)
        count = len(sources.list)
        sourceslist_wslash = sources.add(entry_wslash.type,
                                         entry_wslash.uri,
                                         entry_wslash.dist,
                                         entry_wslash.comps)
        self.assertEqual(count + 1, len(sources.list))
        count = len(sources.list)
        sourceslist_woslash = sources.add(entry_woslash.type,
                                          entry_woslash.uri,
                                          entry_woslash.dist,
                                          entry_woslash.comps)
        self.assertEqual(count, len(sources.list))
        self.assertEqual(sourceslist_wslash, sourceslist_woslash)


if __name__ == "__main__":
    os.chdir(os.path.dirname(__file__))
    unittest.main()