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#!/usr/bin/python
# Copyright 2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Written by Mike Frysinger <vapier@gentoo.org>

"""Unittests for ekeyword"""

import os
import tempfile
import unittest

import ekeyword


TESTDIR = os.path.join(os.path.dirname(__file__), 'tests')


class TestSortKeywords(unittest.TestCase):
	"""Tests for sort_keywords"""

	def _test(self, input_data, exp_data):
		output_data = ekeyword.sort_keywords(input_data.split())
		self.assertEqual(exp_data.split(), output_data)

	def testNull(self):
		self._test('', '')
		self._test('   		 ', '')

	def testGlob(self):
		self._test('* arm', '* arm')
		self._test('arm -* x86', '-* arm x86')
		self._test('hppa ~* amd64', '~* amd64 hppa')

	def testNonLinux(self):
		self._test('arm-linux alpha amd64-fbsd hppa',
		           'alpha hppa amd64-fbsd arm-linux')

	def testPrefixes(self):
		self._test('-hppa arm ~alpha -* ~arm-linux',
		           '-* ~alpha arm -hppa ~arm-linux')


class TestDiffKeywords(unittest.TestCase):
	"""Tests for diff_keywords"""

	def testEmpty(self):
		"""Test when there is no content to diff"""
		ret = ekeyword.diff_keywords([], [])
		self.assertEqual(ret, '')

	def testSame(self):
		"""Test when there is no difference"""
		ret = ekeyword.diff_keywords(['a b c'], ['a b c'])
		self.assertEqual(ret, 'a b c')

	def testInsert(self):
		"""Test when content is simply added"""
		ret = ekeyword.diff_keywords(['a'], ['~a'])
		self.assertNotEqual(ret, '')

	def testDelete(self):
		"""Test when content is simply deleted"""
		ret = ekeyword.diff_keywords(['~a'], ['a'])
		self.assertNotEqual(ret, '')

	def testReplace(self):
		"""Test when some content replaces another"""
		ret = ekeyword.diff_keywords(['~a'], ['-a'])
		self.assertNotEqual(ret, '')

	def _testSmokeFormat(self, format):
		return ekeyword.diff_keywords(
			['~a', 'b', '-abcde'],
			['a', '-b', '-abxde'], format=format)

	def testSmokeFormatColor(self):
		"""Run a full smoke test for color-inline format"""
		ret = self._testSmokeFormat('color-inline')
		self.assertNotEqual(ret, '')

	def testSmokeFormatNoColor(self):
		"""Run a full smoke test for non-color-inline format"""
		self._testSmokeFormat('nocolor')


class TestProcessKeywords(unittest.TestCase):
	"""Tests for process_keywords"""

	def _test(self, keywords, ops, exp, arch_status=None):
		# This func doesn't return sorted results (which is fine),
		# so do so ourselves to get stable tests.
		ret = ekeyword.process_keywords(
			keywords.split(), ops, arch_status=arch_status)
		self.assertEqual(sorted(ret), sorted(exp.split()))

	def testAdd(self):
		ops = (
			ekeyword.Op(None, 'arm', None),
			ekeyword.Op('~', 's390', None),
			ekeyword.Op('-', 'sh', None),
		)
		self._test('moo', ops, 'arm ~s390 -sh moo')

	def testModify(self):
		ops = (
			ekeyword.Op(None, 'arm', None),
			ekeyword.Op('~', 's390', None),
			ekeyword.Op('-', 'sh', None),
		)
		self._test('~arm s390 ~sh moo', ops, 'arm ~s390 -sh moo')

	def testDelete(self):
		ops = (
			ekeyword.Op('^', 'arm', None),
			ekeyword.Op('^', 's390', None),
			ekeyword.Op('^', 'x86', None),
		)
		self._test('arm -s390 ~x86 bar', ops, 'bar')

	def testSync(self):
		ops = (
			ekeyword.Op('=', 'arm64', 'arm'),
			ekeyword.Op('=', 'ppc64', 'ppc'),
			ekeyword.Op('=', 'amd64', 'x86'),
			ekeyword.Op('=', 'm68k', 'mips'),
			ekeyword.Op('=', 'ia64', 'alpha'),
			ekeyword.Op('=', 'sh', 'sparc'),
			ekeyword.Op('=', 's390', 's390x'),
			ekeyword.Op('=', 'boo', 'moo'),
		)
		self._test(
			'arm64 arm '
			'~ppc64 ~ppc '
			'~amd64 x86 '
			'm68k ~mips '
			'-ia64 alpha '
			'sh -sparc '
			's390 '
			'moo ',
			ops,
			'arm64 arm ~ppc64 ~ppc amd64 x86 ~m68k ~mips ia64 alpha '
			'-sh -sparc boo moo')

	def testAllNoStatus(self):
		ops = (
			ekeyword.Op(None, 'all', None),
		)
		self.assertRaises(ValueError, self._test, '', ops, '')

	def testAllStable(self):
		ops = (
			ekeyword.Op(None, 'all', None),
		)
		arch_status = {
			'alpha': None,
			'arm': 'stable',
			'arm64': 'exp',
			'm68k': 'dev',
		}
		self._test('* ~alpha ~arm ~arm64 ~m68k ~mips ~arm-linux', ops,
		           '* ~alpha arm ~arm64 ~m68k ~mips ~arm-linux', arch_status)

	def testAllUnstable(self):
		ops = (
			ekeyword.Op('~', 'all', None),
		)
		arch_status = {
			'alpha': None,
			'arm': 'stable',
			'arm64': 'exp',
			'm68k': 'dev',
		}
		self._test('alpha arm arm64 m68k mips arm-linux', ops,
		           '~alpha ~arm ~arm64 ~m68k ~mips ~arm-linux', arch_status)

	def testAllMultiUnstableStable(self):
		ops = (
			ekeyword.Op('~', 'all', None),
			ekeyword.Op(None, 'all', None),
		)
		arch_status = {
			'alpha': None,
			'arm': 'stable',
			'arm64': 'exp',
			'm68k': 'dev',
		}
		self._test('alpha arm arm64 m68k', ops,
		           '~alpha arm ~arm64 ~m68k', arch_status)


class TestProcessContent(unittest.TestCase):
	"""Tests for process_content"""

	def _testKeywords(self, line):
		ops = (
			ekeyword.Op(None, 'arm', None),
			ekeyword.Op('~', 'sparc', None),
		)
		return ekeyword.process_content(
			'file', ['%s\n' % line], ops, quiet=True)

	def testKeywords(self):
		"""Basic KEYWORDS mod"""
		updated, ret = self._testKeywords('KEYWORDS=""')
		self.assertTrue(updated)
		self.assertEqual(ret, ['KEYWORDS="arm ~sparc"\n'])

	def testKeywordsIndented(self):
		"""Test KEYWORDS indented by space"""
		updated, ret = self._testKeywords(' 	 	KEYWORDS=""')
		self.assertTrue(updated)
		self.assertEqual(ret, [' 	 	KEYWORDS="arm ~sparc"\n'])

	def testKeywordsSingleQuote(self):
		"""Test single quoted KEYWORDS"""
		updated, ret = self._testKeywords("KEYWORDS=' '")
		self.assertTrue(updated)
		self.assertEqual(ret, ['KEYWORDS="arm ~sparc"\n'])

	def testKeywordsComment(self):
		"""Test commented out KEYWORDS"""
		updated, ret = self._testKeywords('# KEYWORDS=""')
		self.assertFalse(updated)
		self.assertEqual(ret, ['# KEYWORDS=""\n'])

	def testKeywordsCode(self):
		"""Test code leading KEYWORDS"""
		updated, ret = self._testKeywords('[[ ${PV} ]] && KEYWORDS=""')
		self.assertTrue(updated)
		self.assertEqual(ret, ['[[ ${PV} ]] && KEYWORDS="arm ~sparc"\n'])

	def testKeywordsEmpty(self):
		"""Test KEYWORDS not set at all"""
		updated, ret = self._testKeywords(' KEYWORDS=')
		self.assertFalse(updated)
		self.assertEqual(ret, [' KEYWORDS=\n'])

	def _testSmoke(self, format='color-inline', verbose=False, quiet=False):
		ops = (
			ekeyword.Op(None, 'arm', None),
			ekeyword.Op('~', 'sparc', None),
		)
		ekeyword.process_content(
			'asdf', ['KEYWORDS="arm"'], ops, verbose=verbose,
			quiet=quiet, format=format)

	def testSmokeQuiet(self):
		"""Smoke test for quiet mode"""
		self._testSmoke(quiet=True)

	def testSmokeVerbose(self):
		"""Smoke test for verbose mode"""
		self._testSmoke(verbose=True)

	def testSmokeFormatColor(self):
		"""Smoke test for color-inline format"""
		self._testSmoke('color-inline')

	def testSmokeFormatInline(self):
		"""Smoke test for inline format"""
		self._testSmoke('inline')

	def testSmokeFormatShortMulti(self):
		"""Smoke test for short-multi format"""
		self._testSmoke('short-multi')

	def testSmokeFormatLongMulti(self):
		"""Smoke test for long-multi format"""
		self._testSmoke('long-multi')


class TestProcessEbuild(unittest.TestCase):
	"""Tests for process_ebuild

	This is fairly light as most code is in process_content.
	"""

	def _test(self, dry_run):
		ops = (
			ekeyword.Op(None, 'arm', None),
			ekeyword.Op('~', 'sparc', None),
		)
		with tempfile.NamedTemporaryFile() as tmp:
			with open(tmp.name, 'wb') as fw:
				with open(os.path.join(TESTDIR, 'process-1.ebuild'), 'rb') as f:
					orig_content = f.read()
					fw.write(orig_content)
			ekeyword.process_ebuild(tmp.name, ops, dry_run=dry_run)
			with open(tmp.name, 'rb') as f:
				new_content = f.read()
				if dry_run:
					self.assertEqual(orig_content, new_content)
				else:
					self.assertNotEqual(orig_content, new_content)

	def testSmokeNotDry(self):
		self._test(False)

	def testSmokeDry(self):
		self._test(True)


class TestLoadProfileData(unittest.TestCase):
	"""Tests for load_profile_data"""

	def _test(self, subdir):
		portdir = os.path.join(TESTDIR, 'profiles', subdir)
		return ekeyword.load_profile_data(portdir=portdir)

	def testLoadBoth(self):
		"""Test loading both arch.list and profiles.desc"""
		ret = self._test('both')
		self.assertIn('arm', ret)
		self.assertEqual(ret['arm'], 'stable')
		self.assertIn('arm64', ret)
		self.assertEqual(ret['arm64'], 'exp')

	def testLoadArchOnly(self):
		"""Test loading only arch.list"""
		ret = self._test('arch-only')
		self.assertIn('arm', ret)
		self.assertEqual(ret['arm'], None)
		self.assertIn('x86-solaris', ret)

	def testLoadProfilesOnly(self):
		"""Test loading only profiles.desc"""
		ret = self._test('profiles-only')
		self.assertIn('arm', ret)
		self.assertEqual(ret['arm'], 'stable')
		self.assertIn('arm64', ret)
		self.assertEqual(ret['arm64'], 'exp')

	def testLoadNone(self):
		"""Test running when neither files exists"""
		ret = self._test('none')
		self.assertEqual(ret, {})


class TestArgToOps(unittest.TestCase):

	def _test(self, arg, op):
		self.assertEqual(ekeyword.arg_to_op(arg), ekeyword.Op(*op))

	def testStable(self):
		self._test('arm', (None, 'arm', None))

	def testUnstable(self):
		self._test('~ppc64', ('~', 'ppc64', None))

	def testDisabled(self):
		self._test('-sparc', ('-', 'sparc', None))

	def testDeleted(self):
		self._test('^x86-fbsd', ('^', 'x86-fbsd', None))

	def testSync(self):
		self._test('s390=x86', (None, 's390', 'x86'))


class TestMain(unittest.TestCase):

	def testSmoke(self):
		ekeyword.main(['arm', '--dry-run', os.path.join(TESTDIR, 'process-1.ebuild')])
		ekeyword.main(['--version', '--dry-run'])


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