import unittest
import unittest.mock
import specfiles


class TestSpecfileWrite(unittest.TestCase):

    @classmethod
    def setUpClass(self):
        self.specfile = None
        self.WRITES = []

    def setUp(self):
        url = "http://www.testpkg.com/testpkg/pkg-1.0.tar.gz"
        self.specfile = specfiles.Specfile(url, '1.0', 'pkg', '2')

        def mock_write(string):
            self.WRITES.append(string)

        self.specfile._write = mock_write
        self.WRITES = []

    def test_write_nvr_no_urlban(self):
        """
        test Specfile.write_nvr with no urlban set
        """
        self.specfile.write_nvr()
        expect = ["Name     : pkg\n",
                  "Version  : 1.0\n",
                  "Release  : 2\n",
                  "URL      : http://www.testpkg.com/testpkg/pkg-1.0.tar.gz\n",
                  "Source0  : http://www.testpkg.com/testpkg/pkg-1.0.tar.gz\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_nvr_urlban(self):
        """
        test Specfile.write_nvr with urlban set
        """
        self.specfile.urlban = "www.testpkg.com"
        self.specfile.write_nvr()
        expect = ["Name     : pkg\n",
                  "Version  : 1.0\n",
                  "Release  : 2\n",
                  "URL      : http://localhost/testpkg/pkg-1.0.tar.gz\n",
                  "Source0  : http://localhost/testpkg/pkg-1.0.tar.gz\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_sources(self):
        """
        test write_sources with all Specfile.sources set.
        """
        self.specfile.sources["unit"] = ["pkg2.service", "pkg1.service"]
        self.specfile.sources["archive"] = ["archA", "archD", "archB", "archC"]
        self.specfile.sources["tmpfile"] = ["tmp1", "tmp2"]
        self.specfile.sources["gcov"] = ["pkg.gcov"]
        self.specfile.write_sources()
        expect = ["Source1  : archA\n",
                  "Source2  : archB\n",
                  "Source3  : archC\n",
                  "Source4  : archD\n",
                  "Source5  : pkg.gcov\n",
                  "Source6  : pkg1.service\n",
                  "Source7  : pkg2.service\n",
                  "Source8  : tmp1\n",
                  "Source9  : tmp2\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_summary(self):
        """
        test write_summary with unstripped summary and group strings
        """
        self.specfile.default_sum = "   This is unstripped summary  "
        self.specfile.write_summary()
        expect = ["Summary  : This is unstripped summary\n",
                  "Group    : Development/Tools\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_license(self):
        """
        test write_license with unsorted list of licenses
        """
        self.specfile.licenses = ["MIT", "IJG", "GPL-3.0", "GPL-2.0", "ICU"]
        self.specfile.write_license()
        expect = ["License  : GPL-2.0 GPL-3.0 ICU IJG MIT\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_main_subpackage_requires_no_autostart(self):
        """
        test write_main_subpackage_requires with autostart package and
        Specfile.no_autostart set.
        """
        self.specfile.packages["autostart"] = ["autostart"]
        self.specfile.packages["bin"] = []
        self.specfile.packages["lib"] = ["package.so"]
        self.specfile.requires.add("pkg1")
        self.specfile.requires.add("pkg2")
        self.specfile.no_autostart = True
        self.specfile.write_main_subpackage_requires()
        expect = ["Requires: pkg-bin\n",
                  "Requires: pkg-lib\n",
                  "Requires: pkg1\n",
                  "Requires: pkg2\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_main_subpackage_requires_autostart(self):
        """
        test write_main_subpackage_requires with autostart package and
        Specfile.no_autostart not set. Also has other ignored packages.
        """
        self.specfile.packages["autostart"] = ["autostart"]
        self.specfile.packages["bin"] = []
        self.specfile.packages["lib"] = ["package.so"]
        self.specfile.packages["main"] = ["main/file.py"]
        self.specfile.packages["ignore"] = []
        self.specfile.packages["dev"] = []
        self.specfile.packages["active-units"] = []
        self.specfile.requires.add("pkg1")
        self.specfile.requires.add("pkg2")
        self.specfile.write_main_subpackage_requires()
        expect = ["Requires: pkg-autostart\n",
                  "Requires: pkg-bin\n",
                  "Requires: pkg-lib\n",
                  "Requires: pkg1\n",
                  "Requires: pkg2\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_main_subpackage_requires_empty(self):
        """
        test write_main_subpackage_requires with no required subpackages.
        """
        self.specfile.write_main_subpackage_requires()
        self.assertEqual([], self.WRITES)

    def test_write_buildreq(self):
        """
        test write_buildreq with unsorted list of build requirements.
        """
        self.specfile.buildreqs = ["python", "ruby", "go"]
        self.specfile.write_buildreq()
        expect = ["BuildRequires : go\n",
                  "BuildRequires : python\n",
                  "BuildRequires : ruby\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_buildreq_empty(self):
        """
        test write_buildreq with no build requirements.
        """
        self.specfile.write_buildreq()
        self.assertEqual([], self.WRITES)

    def test_write_patch_header(self):
        """
        test write_patch_header with list of patches.
        """
        self.specfile.patches = ["speedup.patch",
                                 "slowdown.patch",
                                 "revert.patch reverts slowdown.patch"]
        self.specfile.write_patch_header()
        expect = ["Patch1: speedup.patch\n",
                  "Patch2: slowdown.patch\n",
                  "Patch3: revert.patch\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_patch_header_empty(self):
        """
        test write_patch_header with empty patch list.
        """
        self.specfile.write_patch_header()
        self.assertEqual([], self.WRITES)

    def test_write_description(self):
        """
        test write_description with unstripped description
        """
        self.specfile.default_desc = " This package is for testing only       "
        self.specfile.write_description()
        expect = ["\n%description\nThis package is for testing only\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_files_header_base(self):
        """
        base test for write_files_header
        """
        self.specfile.packages["data"] = ["df1", "df2", "df3"]
        self.specfile.packages["ignore"] = ["doesn't matter"]
        self.specfile.packages["python"] = ["pyfile1", "pyfile2"]
        self.specfile.packages["dev"] = ["dev1", "dev2"]
        self.specfile.packages["pack"] = ["packf1"]
        self.specfile.requires = ["pep8", "pylint", "pycurl"]
        self.specfile.buildreqs = ["pep8", "pycurl"]
        self.specfile.write_files_header()
        expect = ["\n%package data\n",
                  "Summary: data components for the pkg package.\n",
                  "Group: Data\n",
                  "\n%description data\n",
                  "data components for the pkg package.\n",
                  "\n",
                  "\n%package dev\n",
                  "Summary: dev components for the pkg package.\n",
                  "Group: Development\n",
                  "Requires: pkg-data\n",
                  "Provides: pkg-devel\n",
                  "\n%description dev\n",
                  "dev components for the pkg package.\n",
                  "\n",
                  "\n%package pack\n",
                  "Summary: pack components for the pkg package.\n",
                  "Group: Default\n",
                  "\n%description pack\n",
                  "pack components for the pkg package.\n",
                  "\n",
                  "\n%package python\n",
                  "Summary: python components for the pkg package.\n",
                  "Group: Default\n",
                  "\n%description python\n",
                  "python components for the pkg package.\n",
                  "\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_files_header_python_name(self):
        """
        test write_files_header with uppercase letter in Specfile.name, causing
        a Provides line to be written.
        """
        self.specfile.name = 'Pkg'
        self.specfile.packages["python"] = ["pyfile1", "pyfile2"]
        self.specfile.write_files_header()
        expect = ["\n%package python\n",
                  "Summary: python components for the Pkg package.\n",
                  "Group: Default\n",
                  "Provides: pkg-python\n",
                  "\n%description python\n",
                  "python components for the Pkg package.\n",
                  "\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_files_header_bare(self):
        """
        test write_files_header with no packages
        """
        self.specfile.write_files_header()
        self.assertEqual([], self.WRITES)

    def test_write_buildpattern(self):
        """
        test write_buildpattern
        """
        # due to external dependency, this is not easily testable as it
        # requires testing the entire buildpattern module. This test should be
        # updated when possible.
        pass

    def test_write_scriplets_base(self):
        """
        test write_scriplets base test
        """
        backup_read_conf_file = specfiles.config.read_conf_file

        def mock_read_conf_file(name):
            prefix = "pre" if "pre" in name else "post"
            return ["{}-script line 1\n".format(prefix),
                    "{}-script line 2\n".format(prefix),
                    "{}-script line 3\n".format(prefix)]

        class MockSpecfile(object):
            @staticmethod
            def writelines(stringlist):
                self.WRITES.extend(stringlist)

        specfiles.config.read_conf_file = mock_read_conf_file
        self.specfile.specfile = MockSpecfile()
        self.specfile.packages["ruby"] = ["rubyfile1"]
        self.specfile.packages["ignore"] = ["ignorefile1", "ignorefile2"]
        self.specfile.write_scriplets()
        specfiles.config.read_conf_file = backup_read_conf_file
        expect = ["\n%post ruby\n",
                  "post-script line 1\n\n",
                  "post-script line 2\n\n",
                  "post-script line 3\n\n",
                  "\n%pre ruby\n",
                  "pre-script line 1\n\n",
                  "pre-script line 2\n\n",
                  "pre-script line 3\n\n"]

        self.assertEqual(expect, self.WRITES)

    def test_write_scriplets_pre_only(self):
        """
        test write_scriplets with only pre-scripts present.
        """
        backup_read_conf_file = specfiles.config.read_conf_file

        def mock_read_conf_file(name):
            if "pre" in name:
                return ["pre-script line 1\n",
                        "pre-script line 2\n",
                        "pre-script line 3\n"]
            else:
                return []

        class MockSpecfile(object):
            @staticmethod
            def writelines(stringlist):
                self.WRITES.extend(stringlist)

        specfiles.config.read_conf_file = mock_read_conf_file
        self.specfile.specfile = MockSpecfile()
        self.specfile.packages["ruby"] = ["rubyfile1"]
        self.specfile.packages["ignore"] = ["ignorefile1", "ignorefile2"]
        self.specfile.write_scriplets()
        specfiles.config.read_conf_file = backup_read_conf_file
        expect = ["\n%pre ruby\n",
                  "pre-script line 1\n\n",
                  "pre-script line 2\n\n",
                  "pre-script line 3\n\n"]

        self.assertEqual(expect, self.WRITES)

    def test_write_scriplets_bare(self):
        """
        test write_scriplets with no scripts present.
        """
        backup_read_conf_file = specfiles.config.read_conf_file

        def mock_read_conf_file(name):
            return []

        class MockSpecfile(object):
            @staticmethod
            def writelines(stringlist):
                self.WRITES.extend(stringlist)

        specfiles.config.read_conf_file = mock_read_conf_file
        self.specfile.specfile = MockSpecfile()
        self.specfile.packages["ruby"] = ["rubyfile1"]
        self.specfile.packages["ignore"] = ["ignorefile1", "ignorefile2"]
        self.specfile.write_scriplets()
        specfiles.config.read_conf_file = backup_read_conf_file
        self.assertEqual([], self.WRITES)

    def test_write_files_base(self):
        """
        test write_files base test.
        """
        self.specfile.packages["main"] = ["mainfile1", "mainfile2", "mainfile3"]
        self.specfile.packages["ignore"] = ["ignorepkg"]
        self.specfile.packages["other"] = ["other2", "other1"]
        self.specfile.write_files()
        expect = ["\n%files\n",
                  "%defattr(-,root,root,-)\n",
                  "mainfile1\n",
                  "mainfile2\n",
                  "mainfile3\n",
                  "\n%files other\n",
                  "%defattr(-,root,root,-)\n",
                  "other1\n",
                  "other2\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_files_empty(self):
        """
        test write_files with empty package list.
        """
        self.specfile.write_files()
        expect = ["\n%files\n",
                  "%defattr(-,root,root,-)\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_lang_files_base(self):
        """
        write_lang_files base test
        """
        self.specfile.locales = ["pkg1", "pkg2"]
        self.specfile.write_lang_files()
        expect = ["\n%files locales",
                  " -f pkg1.lang",
                  " -f pkg2.lang",
                  "\n%defattr(-,root,root,-)\n\n"]
        self.assertEqual(expect, self.WRITES)

    def test_write_lang_files_empty(self):
        """
        test write_lang_files with empty lang list
        """
        self.specfile.write_lang_files()
        self.assertEqual([], self.WRITES)


if __name__ == '__main__':
    unittest.main()