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# Copyright 2019 Gentoo Authors

import os
import shutil
import tempfile
import unittest

from mirrorselect.configs import write_make_conf
from mirrorselect.output import Output


class WriteMakeConfTestCase(unittest.TestCase):
	def test_write_make_conf(self):

		def __do_it(var, mirror_string, make_conf, expected_result):
				tempdir = tempfile.mkdtemp()
				status_output = open(os.devnull, 'w')
				#print("------make_conf--------", make_conf, "----------------------")
				#print("*****expect*****\n", expected_result, "***********")
				try:
					config_path = os.path.join(tempdir, 'make.conf')
					with open(config_path, 'wt') as f:
						f.write(make_conf)
					write_make_conf(Output(out=status_output), config_path, var, mirror_string)
					with open(config_path, 'rt') as f:
						result = f.read()
						#print("!!!result!!!\n", result, "!!!!!!!!!!\n")
					self.assertEqual(result, "{}".format(expected_result).format(mirror_string))
				finally:
					shutil.rmtree(tempdir)
					status_output.close()

		var = 'GENTOO_MIRRORS'
		mirrors = (
			('{}="a"'.format(var)),
			('{}="a b"'.format(var)),
			('{}="a b c"'.format(var)),
		)

		cases = (
			('{}="foo\nbar"\n'.format(var), '{}\n'),
			('\n{}="foo\nbar"\n'.format(var), '\n{}\n'),
			('\n{}="foo bar"\n'.format(var), '\n{}\n'),
			('\n{}="foo bar"\n\n'.format(var), '\n\n{}\n'),
			('\n{}="foo \\\nbar"\n'.format(var), '\n{}\n'),
			('\n\n{}="foo \\\nbar"\n'.format(var), '\n\n{}\n'),
			('\n\n{}="foo \\\nbar"\na="b"\n'.format(var), '\n\na="b"\n{}\n'),
			('\n\n{}="foo \\\n    bar"\na="b"\n'.format(var), '\n\na="b"\n{}\n'),
			('\n\n{}="foo \\\n    bar\\\n    baz"\na="b"\n'.format(var), '\n\na="b"\n{}\n'),
			('', '{}\n'),
		)

		for mirror in mirrors:
			for make_conf, expected_result in cases:
				__do_it(var, mirror, make_conf, expected_result)