File size: 5,133 Bytes
66b3b8e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | from sqlalchemy.testing.requirements import Requirements
from alembic import util
from alembic.util import sqla_compat
from ..testing import exclusions
class SuiteRequirements(Requirements):
@property
def schemas(self):
"""Target database must support external schemas, and have one
named 'test_schema'."""
return exclusions.open()
@property
def autocommit_isolation(self):
"""target database should support 'AUTOCOMMIT' isolation level"""
return exclusions.closed()
@property
def materialized_views(self):
"""needed for sqlalchemy compat"""
return exclusions.closed()
@property
def unique_constraint_reflection(self):
def doesnt_have_check_uq_constraints(config):
from sqlalchemy import inspect
insp = inspect(config.db)
try:
insp.get_unique_constraints("x")
except NotImplementedError:
return True
except TypeError:
return True
except Exception:
pass
return False
return exclusions.skip_if(doesnt_have_check_uq_constraints)
@property
def sequences(self):
"""Target database must support SEQUENCEs."""
return exclusions.only_if(
[lambda config: config.db.dialect.supports_sequences],
"no sequence support",
)
@property
def foreign_key_match(self):
return exclusions.open()
@property
def foreign_key_constraint_reflection(self):
return exclusions.open()
@property
def check_constraints_w_enforcement(self):
"""Target database must support check constraints
and also enforce them."""
return exclusions.open()
@property
def reflects_pk_names(self):
return exclusions.closed()
@property
def reflects_fk_options(self):
return exclusions.closed()
@property
def sqlalchemy_14(self):
return exclusions.skip_if(
lambda config: not util.sqla_14,
"SQLAlchemy 1.4 or greater required",
)
@property
def sqlalchemy_1x(self):
return exclusions.skip_if(
lambda config: util.sqla_2,
"SQLAlchemy 1.x test",
)
@property
def sqlalchemy_2(self):
return exclusions.skip_if(
lambda config: not util.sqla_2,
"SQLAlchemy 2.x test",
)
@property
def asyncio(self):
def go(config):
try:
import greenlet # noqa: F401
except ImportError:
return False
else:
return True
return self.sqlalchemy_14 + exclusions.only_if(go)
@property
def comments(self):
return exclusions.only_if(
lambda config: config.db.dialect.supports_comments
)
@property
def alter_column(self):
return exclusions.open()
@property
def computed_columns(self):
return exclusions.closed()
@property
def computed_columns_api(self):
return exclusions.only_if(
exclusions.BooleanPredicate(sqla_compat.has_computed)
)
@property
def computed_reflects_normally(self):
return exclusions.only_if(
exclusions.BooleanPredicate(sqla_compat.has_computed_reflection)
)
@property
def computed_reflects_as_server_default(self):
return exclusions.closed()
@property
def computed_doesnt_reflect_as_server_default(self):
return exclusions.closed()
@property
def autoincrement_on_composite_pk(self):
return exclusions.closed()
@property
def fk_ondelete_is_reflected(self):
return exclusions.closed()
@property
def fk_onupdate_is_reflected(self):
return exclusions.closed()
@property
def fk_onupdate(self):
return exclusions.open()
@property
def fk_ondelete_restrict(self):
return exclusions.open()
@property
def fk_onupdate_restrict(self):
return exclusions.open()
@property
def fk_ondelete_noaction(self):
return exclusions.open()
@property
def fk_initially(self):
return exclusions.closed()
@property
def fk_deferrable(self):
return exclusions.closed()
@property
def fk_deferrable_is_reflected(self):
return exclusions.closed()
@property
def fk_names(self):
return exclusions.open()
@property
def integer_subtype_comparisons(self):
return exclusions.open()
@property
def no_name_normalize(self):
return exclusions.skip_if(
lambda config: config.db.dialect.requires_name_normalize
)
@property
def identity_columns(self):
return exclusions.closed()
@property
def identity_columns_alter(self):
return exclusions.closed()
@property
def identity_columns_api(self):
return exclusions.only_if(
exclusions.BooleanPredicate(sqla_compat.has_identity)
)
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