from oeqa.selftest.case import OESelftestTestCase
from oeqa.selftest.cases.buildhistory import BuildhistoryBase
from oeqa.utils.commands import Command, runCmd, bitbake, get_bb_var, get_test_layer

class BuildhistoryDiffTests(BuildhistoryBase):

    def test_buildhistory_diff(self):
        target = 'xcursor-transparent-theme'
        self.run_buildhistory_operation(target, target_config="PR = \"r1\"", change_bh_location=True)
        self.run_buildhistory_operation(target, target_config="PR = \"r0\"", change_bh_location=False, expect_error=True)
        result = runCmd("oe-pkgdata-util read-value PKGV %s" % target)
        pkgv = result.output.rstrip()
        result = runCmd("buildhistory-diff -p %s" % get_bb_var('BUILDHISTORY_DIR'))
        expected_endlines = [
            "xcursor-transparent-theme-dev: RDEPENDS: removed \"xcursor-transparent-theme (['= %s-r1'])\", added \"xcursor-transparent-theme (['= %s-r0'])\"" % (pkgv, pkgv),
            "xcursor-transparent-theme-staticdev: RDEPENDS: removed \"xcursor-transparent-theme-dev (['= %s-r1'])\", added \"xcursor-transparent-theme-dev (['= %s-r0'])\"" % (pkgv, pkgv)
        ]
        for line in result.output.splitlines():
            for el in expected_endlines:
                if line.endswith(el):
                    expected_endlines.remove(el)
                    break
            else:
                self.fail('Unexpected line:\n%s\nExpected line endings:\n  %s' % (line, '\n  '.join(expected_endlines)))
        if expected_endlines:
            self.fail('Missing expected line endings:\n  %s' % '\n  '.join(expected_endlines))