import unittest

from ostack_validator.config_model import Configuration


class ConfigurationTests(unittest.TestCase):
    section = 'section1'
    param = 'param1'
    fullparam = '%s.%s' % (section, param)
    value = 'foobar'
    default_value = 'bar123'

    def test_empty(self):
        c = Configuration()
        self.assertIsNone(c.get('section1.param1'))

    def test_storage(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        self.assertEqual(self.value, c.get(self.fullparam))

    def test_parameter_names_containing_sections(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        self.assertEqual(
            self.value, c.get('%s.%s' %
                              (self.section, self.param)))

    def test_parameter_with_default_section(self):
        c = Configuration()
        c.set(self.param, self.value)

        self.assertEqual(self.value, c.get(self.param))

    def test_explicit_default_on_get(self):
        c = Configuration()
        override_value = '12345'

        self.assertEqual(
            override_value,
            c.get(self.fullparam,
                  default=override_value))

    def test_default(self):
        c = Configuration()
        c.set_default(self.fullparam, self.default_value)

        self.assertEqual(self.default_value, c.get(self.fullparam))

    def test_normal_overrides_default(self):
        c = Configuration()
        c.set(self.fullparam, self.value)
        c.set_default(self.fullparam, self.default_value)

        self.assertEqual(self.value, c.get(self.fullparam))

    def test_contains(self):
        c = Configuration()
        self.assertFalse(c.contains(self.fullparam))

    def test_contains_default(self):
        c = Configuration()
        c.set_default(self.fullparam, self.default_value)

        self.assertTrue(c.contains(self.fullparam))
        self.assertFalse(c.contains(self.fullparam, ignoreDefault=True))

    def test_contains_normal(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        self.assertTrue(c.contains(self.fullparam))
        self.assertTrue(c.contains(self.fullparam, ignoreDefault=True))

    def test_is_default_returns_false_if_param_missing(self):
        c = Configuration()
        self.assertFalse(c.is_default(self.fullparam))

    def test_is_default_returns_true_if_only_default_value_set(self):
        c = Configuration()
        c.set_default(self.fullparam, self.default_value)

        self.assertTrue(c.is_default(self.fullparam))

    def test_is_default_returns_false_if_normal_value_set(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        self.assertFalse(c.is_default(self.fullparam))

    def test_is_default_returns_false_if_both_values_set(self):
        c = Configuration()
        c.set_default(self.fullparam, self.default_value)
        c.set(self.fullparam, self.value)

        self.assertFalse(c.is_default(self.fullparam))

    def test_subsection_set(self):
        c = Configuration()
        c.section(self.section).set(self.param, self.value)

        self.assertEqual(self.value, c.get(self.fullparam))

    def test_keys(self):
        c = Configuration()
        c.set_default('section1.param1', '123')
        c.set('section2.param1', '456')

        self.assertEqual(['section1', 'section2'], sorted(c.keys()))

    def test_subsection_keys(self):
        c = Configuration()
        c.set_default('%s.param1' % self.section, '123')
        c.set('%s.param2' % self.section, '456')

        self.assertEqual(
            ['param1', 'param2'], sorted(c.section(self.section).keys()))

    def test_subsection_items(self):
        c = Configuration()
        c.set('%s.param1' % self.section, 'value1')
        c.set_default('%s.param2' % self.section, 'value2')

        self.assertEqual(
            [('param1', 'value1'), ('param2', 'value2')], sorted(c.section(self.section).items()))

    def test_subsection_get(self):
        c = Configuration()

        c.set(self.fullparam, self.value)

        cs = c.section(self.section)
        self.assertEqual(self.value, cs.get(self.param))

    def test_getitem(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        self.assertEqual(self.value, c[self.fullparam])

    def test_subsection_getitem(self):
        c = Configuration()
        c.set(self.fullparam, self.value)

        cs = c.section(self.section)

        self.assertEqual(self.value, cs[self.param])

    def test_setitem(self):
        c = Configuration()

        c[self.fullparam] = self.value

        self.assertEqual(self.value, c.get(self.fullparam))

    def test_subsection_setitem(self):
        c = Configuration()

        cs = c.section(self.section)

        cs[self.param] = self.value

        self.assertEqual(self.value, c.get(self.fullparam))

    def test_contains(self):
        c = Configuration()

        self.assertFalse(self.section in c)

        c.set(self.fullparam, self.value)
        self.assertTrue(self.section in c)

    def test_subsection_contains(self):
        c = Configuration()

        c.set('section1.param1', '123')
        c.set_default('section2.param2', '234')

        self.assertTrue('param1' in c.section('section1'))
        self.assertTrue('param2' in c.section('section2'))
        self.assertFalse('param1' in c.section('section2'))

    def test_returns_section_object_even_if_section_doesnot_exist(self):
        c = Configuration()
        self.assertIsNotNone(c.section('foo'))

    def test_template_substitution(self):
        c = Configuration()
        c.set('a', 'x')
        c.set('b', '$a')
        c.set('c', '$b')

        self.assertEqual('x', c.get('c'))

    def test_cycle_template_substitution_resolves_in_empty_string(self):
        c = Configuration()
        c.set('a', 'a$c')
        c.set('b', 'b$a')
        c.set('c', 'c$b')

        self.assertEqual('cba', c.get('c'))

    def test_getting_raw_values(self):
        c = Configuration()

        c.set('a', '$b')
        c.set('b', 'x')

        self.assertEqual('$b', c.get('a', raw=True))