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# This file is part of python-sql. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import unittest
from sql import Conflict, Excluded, Insert, Table, With
from sql.functions import Abs
class TestInsert(unittest.TestCase):
table = Table('t')
def test_insert_invalid_table(self):
with self.assertRaises(ValueError):
Insert('foo')
def test_insert_invalid_columns(self):
with self.assertRaises(ValueError):
self.table.insert(['foo'], [['foo']])
def test_insert_invalid_values(self):
with self.assertRaises(ValueError):
self.table.insert([self.table.c], 'foo')
def test_insert_default(self):
query = self.table.insert()
self.assertEqual(str(query), 'INSERT INTO "t" DEFAULT VALUES')
self.assertEqual(tuple(query.params), ())
def test_insert_values(self):
query = self.table.insert([self.table.c1, self.table.c2],
[['foo', 'bar']])
self.assertEqual(str(query),
'INSERT INTO "t" ("c1", "c2") VALUES (%s, %s)')
self.assertEqual(tuple(query.params), ('foo', 'bar'))
def test_insert_many_values(self):
query = self.table.insert([self.table.c1, self.table.c2],
[['foo', 'bar'], ['spam', 'eggs']])
self.assertEqual(str(query),
'INSERT INTO "t" ("c1", "c2") VALUES (%s, %s), (%s, %s)')
self.assertEqual(tuple(query.params), ('foo', 'bar', 'spam', 'eggs'))
def test_insert_subselect(self):
t1 = Table('t1')
t2 = Table('t2')
subquery = t2.select(t2.c1, t2.c2)
query = t1.insert([t1.c1, t1.c2], subquery)
self.assertEqual(str(query),
'INSERT INTO "t1" ("c1", "c2") '
'SELECT "a"."c1", "a"."c2" FROM "t2" AS "a"')
self.assertEqual(tuple(query.params), ())
def test_insert_function(self):
query = self.table.insert([self.table.c], [[Abs(-1)]])
self.assertEqual(str(query),
'INSERT INTO "t" ("c") VALUES (ABS(%s))')
self.assertEqual(tuple(query.params), (-1,))
def test_insert_returning(self):
query = self.table.insert([self.table.c1, self.table.c2],
[['foo', 'bar']], returning=[self.table.c1, self.table.c2])
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1", "c2") VALUES (%s, %s) '
'RETURNING "a"."c1", "a"."c2"')
self.assertEqual(tuple(query.params), ('foo', 'bar'))
def test_insert_returning_select(self):
t1 = Table('t1')
t2 = Table('t2')
query = t1.insert([t1.c], [['foo']],
returning=[
t2.select(t2.c, where=(t2.c1 == t1.c) & (t2.c2 == 'bar'))])
self.assertEqual(str(query),
'INSERT INTO "t1" AS "b" ("c") VALUES (%s) '
'RETURNING (SELECT "a"."c" FROM "t2" AS "a" '
'WHERE (("a"."c1" = "b"."c") AND ("a"."c2" = %s)))')
self.assertEqual(tuple(query.params), ('foo', 'bar'))
def test_insert_invalid_returning(self):
with self.assertRaises(ValueError):
self.table.insert(returning='foo')
def test_with(self):
t1 = Table('t1')
w = With(query=t1.select())
query = self.table.insert(
[self.table.c1],
with_=[w],
values=w.select())
self.assertEqual(str(query),
'WITH "a" AS (SELECT * FROM "t1" AS "b") '
'INSERT INTO "t" ("c1") SELECT * FROM "a" AS "a"')
self.assertEqual(tuple(query.params), ())
def test_insert_in_with(self):
t1 = Table('t1')
w = With(query=self.table.insert(
[self.table.c1],
values=[['foo']],
returning=[self.table.id]))
query = t1.update(
[t1.c],
[w.id],
from_=[w],
with_=[w])
self.assertEqual(str(query),
'WITH "a" AS ('
'INSERT INTO "t" AS "b" ("c1") VALUES (%s) '
'RETURNING "b"."id") '
'UPDATE "t1" AS "c" SET "c" = "a"."id" FROM "a" AS "a"')
self.assertEqual(tuple(query.params), ('foo',))
def test_schema(self):
t1 = Table('t1', 'default')
query = t1.insert([t1.c1], [['foo']])
self.assertEqual(str(query),
'INSERT INTO "default"."t1" ("c1") VALUES (%s)')
self.assertEqual(tuple(query.params), ('foo',))
def test_upsert_invalid_on_conflict(self):
with self.assertRaises(ValueError):
self.table.insert(on_conflict='foo')
def test_upsert_invalid_table_on_conflict(self):
with self.assertRaises(ValueError):
self.table.insert(on_conflict=Conflict(Table('t1')))
def test_upsert_nothing(self):
query = self.table.insert(
[self.table.c1], [['foo']],
on_conflict=Conflict(self.table))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT DO NOTHING')
self.assertEqual(tuple(query.params), ('foo',))
def test_upsert_indexed_column(self):
query = self.table.insert(
[self.table.c1], [['foo']],
on_conflict=Conflict(
self.table,
indexed_columns=[self.table.c1, self.table.c2]))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT ("c1", "c2") DO NOTHING')
self.assertEqual(tuple(query.params), ('foo',))
def test_upsert_indexed_column_index_where(self):
query = self.table.insert(
[self.table.c1], [['foo']],
on_conflict=Conflict(
self.table,
indexed_columns=[self.table.c1],
index_where=self.table.c2 == 'bar'))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT ("c1") WHERE ("a"."c2" = %s) DO NOTHING')
self.assertEqual(tuple(query.params), ('foo', 'bar'))
def test_upsert_update(self):
query = self.table.insert(
[self.table.c1], [['baz']],
on_conflict=Conflict(
self.table,
columns=[self.table.c1, self.table.c2],
values=['foo', 'bar']))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT DO UPDATE SET ("c1", "c2") = (%s, %s)')
self.assertEqual(tuple(query.params), ('baz', 'foo', 'bar'))
def test_upsert_update_where(self):
query = self.table.insert(
[self.table.c1], [['baz']],
on_conflict=Conflict(
self.table,
columns=[self.table.c1],
values=['foo'],
where=self.table.c2 == 'bar'))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT DO UPDATE SET "c1" = (%s) '
'WHERE ("a"."c2" = %s)')
self.assertEqual(tuple(query.params), ('baz', 'foo', 'bar'))
def test_upsert_update_subquery(self):
t1 = Table('t1')
t2 = Table('t2')
subquery = t2.select(t2.c1, t2.c2)
query = t1.insert(
[t1.c1], [['baz']],
on_conflict=Conflict(
t1,
columns=[t1.c1, t1.c2],
values=subquery))
self.assertEqual(str(query),
'INSERT INTO "t1" AS "b" ("c1") VALUES (%s) '
'ON CONFLICT DO UPDATE SET ("c1", "c2") = '
'(SELECT "a"."c1", "a"."c2" FROM "t2" AS "a")')
self.assertEqual(tuple(query.params), ('baz',))
def test_upsert_update_excluded(self):
query = self.table.insert(
[self.table.c1], [[1]],
on_conflict=Conflict(
self.table,
columns=[self.table.c1],
values=[Excluded.c1 + 2]))
self.assertEqual(str(query),
'INSERT INTO "t" AS "a" ("c1") VALUES (%s) '
'ON CONFLICT DO UPDATE SET "c1" = (("EXCLUDED"."c1" + %s))')
self.assertEqual(tuple(query.params), (1, 2))
def test_conflict_invalid_table(self):
with self.assertRaises(ValueError):
Conflict('foo')
def test_conflict_invalid_indexed_columns(self):
with self.assertRaises(ValueError):
Conflict(self.table, indexed_columns=['foo'])
def test_conflict_indexed_columns_invalid_table(self):
with self.assertRaises(ValueError):
Conflict(self.table, indexed_columns=[Table('t').c])
def test_conflict_invalid_index_where(self):
with self.assertRaises(ValueError):
Conflict(self.table, index_where='foo')
def test_conflict_invalid_columns(self):
with self.assertRaises(ValueError):
Conflict(self.table, columns=['foo'])
def test_conflict_columns_invalid_table(self):
with self.assertRaises(ValueError):
Conflict(self.table, columns=[Table('t').c])
def test_conflict_invalid_values(self):
with self.assertRaises(ValueError):
Conflict(self.table, values='foo')
def test_conflict_invalid_where(self):
with self.assertRaises(ValueError):
Conflict(self.table, where='foo')
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