Files
2025-05-20 09:24:29 -04:00

120 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
"""Test domains"""
from pyrseas.testutils import DatabaseToMapTestCase
from pyrseas.testutils import InputMapToSqlTestCase, fix_indent
CREATEFUNC_STMT = ("CREATE FUNCTION sd.dc1(integer) RETURNS bool LANGUAGE sql "
"IMMUTABLE AS $_$select true$_$")
CREATE_STMT = "CREATE DOMAIN sd.d1 AS integer"
DROP_STMT = "DROP DOMAIN IF EXISTS d1"
COMMENT_STMT = "COMMENT ON DOMAIN d1 IS 'Test domain d1'"
class DomainToMapTestCase(DatabaseToMapTestCase):
"""Test mapping of created domains"""
def test_domain(self):
"Map a simple domain"
dbmap = self.to_map([CREATE_STMT])
assert dbmap['schema sd']['domain d1'] == {'type': 'integer'}
def test_domain_not_null(self):
"Map a domain with a NOT NULL constraint"
dbmap = self.to_map([CREATE_STMT + " NOT NULL"])
expmap = {'type': 'integer', 'not_null': True}
assert dbmap['schema sd']['domain d1'] == expmap
def test_domain_default(self):
"Map a domain with a DEFAULT"
dbmap = self.to_map(["CREATE DOMAIN d1 AS date DEFAULT CURRENT_DATE"])
expmap = {'type': 'date', 'default': 'CURRENT_DATE'}
assert dbmap['schema sd']['domain d1'] == expmap
def test_domain_check(self):
"Map a domain with a CHECK constraint"
dbmap = self.to_map([CREATE_STMT + " CHECK (VALUE >= 1888)"])
expmap = {'type': 'integer', 'check_constraints': {
'd1_check': {'expression': '(VALUE >= 1888)'}}}
assert dbmap['schema sd']['domain d1'] == expmap
def test_domain_depend_function(self):
"A domain is created after a function it depends on"
dbmap = self.to_map([CREATEFUNC_STMT,
CREATE_STMT + " CHECK (dc1(VALUE))"])
expmap = {'type': 'integer',
'check_constraints': {
'd1_check': {
'expression': 'sd.dc1(VALUE)',
'depends_on': ['function dc1(integer)']}}}
assert dbmap['schema sd']['domain d1'] == expmap
class DomainToSqlTestCase(InputMapToSqlTestCase):
"""Test SQL generation from input domains"""
def test_create_domain_simple(self):
"Create a simple domain"
inmap = self.std_map()
inmap['schema sd'].update({'domain d1': {'type': 'integer'}})
sql = self.to_sql(inmap)
assert sql == [CREATE_STMT]
def test_create_domain_default(self):
"Create a domain with a DEFAULT and NOT NULL"
inmap = self.std_map()
inmap['schema sd'].update({'domain d1': {
'type': 'integer', 'not_null': True, 'default': 0}})
sql = self.to_sql(inmap)
assert sql == [CREATE_STMT + " NOT NULL DEFAULT 0"]
def test_create_domain_check(self):
"Create a domain with a CHECK constraint"
inmap = self.std_map()
inmap['schema sd'].update({'domain d1': {
'type': 'integer', 'check_constraints': {'d1_check': {
'expression': '(VALUE >= 1888)'}}}})
sql = self.to_sql(inmap)
assert fix_indent(sql[0]) == CREATE_STMT
assert fix_indent(sql[1]) == "ALTER DOMAIN sd.d1 ADD CONSTRAINT " + \
"d1_check CHECK (VALUE >= 1888)"
def test_add_domain_check(self):
"Add a CHECK constraint to a domain"
inmap = self.std_map()
inmap['schema sd'].update({'domain d1': {
'type': 'integer', 'check_constraints': {'d1_check': {
'expression': '(VALUE >= 1888)'}}}})
sql = self.to_sql(inmap, [CREATE_STMT])
assert fix_indent(sql[0]) == "ALTER DOMAIN sd.d1 " + \
"ADD CONSTRAINT d1_check CHECK (VALUE >= 1888)"
def test_drop_domain(self):
"Drop an existing domain"
sql = self.to_sql(self.std_map(), [CREATE_STMT])
assert sql == ["DROP DOMAIN sd.d1"]
def test_rename_domain(self):
"Rename an existing domain"
inmap = self.std_map()
inmap['schema sd'].update({'domain d2': {
'oldname': 'd1', 'type': 'integer'}})
sql = self.to_sql(inmap, [CREATE_STMT])
assert sql == ["ALTER DOMAIN sd.d1 RENAME TO d2"]
def test_create_domain_before_function(self):
"Check that the domain is created after a function it depends on"
inmap = self.std_map()
inmap['schema sd'].update({'domain d1': {
'type': 'integer', 'check_constraints': {
'd1_check': {'expression': 'dc1(VALUE)',
'depends_on': ['function dc1(integer)']}}},
'function dc1(integer)': {
'language': 'sql', 'returns': 'bool',
'source': 'select true', 'volatility': 'immutable'}})
sql = self.to_sql(inmap)
assert len(sql) == 4
assert sql[1] == CREATE_STMT
assert fix_indent(sql[2]) == CREATEFUNC_STMT
assert sql[3].startswith("ALTER DOMAIN sd.d1 ADD CONSTRAINT")