kopia lustrzana https://github.com/simonw/datasette
552 wiersze
16 KiB
Python
552 wiersze
16 KiB
Python
"""
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Tests for the datasette.database.Database class
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"""
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from datasette.database import Database, Results, MultipleValues
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from datasette.utils.sqlite import sqlite3
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from datasette.utils import Column
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from .fixtures import app_client, app_client_two_attached_databases_crossdb_enabled
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import pytest
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import time
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import uuid
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@pytest.fixture
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def db(app_client):
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return app_client.ds.get_database("fixtures")
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@pytest.mark.asyncio
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async def test_execute(db):
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results = await db.execute("select * from facetable")
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assert isinstance(results, Results)
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assert 15 == len(results)
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@pytest.mark.asyncio
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async def test_results_first(db):
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assert None is (await db.execute("select * from facetable where pk > 100")).first()
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results = await db.execute("select * from facetable")
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row = results.first()
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assert isinstance(row, sqlite3.Row)
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@pytest.mark.asyncio
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@pytest.mark.parametrize("expected", (True, False))
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async def test_results_bool(db, expected):
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where = "" if expected else "where pk = 0"
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results = await db.execute("select * from facetable {}".format(where))
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assert bool(results) is expected
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@pytest.mark.parametrize(
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"query,expected",
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[
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("select 1", 1),
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("select 1, 2", None),
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("select 1 as num union select 2 as num", None),
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],
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)
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@pytest.mark.asyncio
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async def test_results_single_value(db, query, expected):
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results = await db.execute(query)
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if expected:
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assert expected == results.single_value()
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else:
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with pytest.raises(MultipleValues):
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results.single_value()
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@pytest.mark.asyncio
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async def test_execute_fn(db):
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def get_1_plus_1(conn):
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return conn.execute("select 1 + 1").fetchall()[0][0]
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assert 2 == await db.execute_fn(get_1_plus_1)
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@pytest.mark.parametrize(
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"tables,exists",
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(
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(["facetable", "searchable", "tags", "searchable_tags"], True),
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(["foo", "bar", "baz"], False),
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),
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)
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@pytest.mark.asyncio
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async def test_table_exists(db, tables, exists):
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for table in tables:
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actual = await db.table_exists(table)
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assert exists == actual
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@pytest.mark.parametrize(
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"table,expected",
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(
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(
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"facetable",
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[
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"pk",
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"created",
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"planet_int",
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"on_earth",
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"state",
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"_city_id",
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"_neighborhood",
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"tags",
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"complex_array",
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"distinct_some_null",
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"n",
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],
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),
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(
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"sortable",
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[
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"pk1",
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"pk2",
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"content",
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"sortable",
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"sortable_with_nulls",
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"sortable_with_nulls_2",
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"text",
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],
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),
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),
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)
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@pytest.mark.asyncio
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async def test_table_columns(db, table, expected):
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columns = await db.table_columns(table)
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assert columns == expected
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@pytest.mark.parametrize(
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"table,expected",
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(
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(
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"facetable",
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[
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Column(
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cid=0,
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name="pk",
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type="integer",
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notnull=0,
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default_value=None,
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is_pk=1,
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hidden=0,
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),
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Column(
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cid=1,
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name="created",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=2,
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name="planet_int",
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type="integer",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=3,
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name="on_earth",
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type="integer",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=4,
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name="state",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=5,
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name="_city_id",
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type="integer",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=6,
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name="_neighborhood",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=7,
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name="tags",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=8,
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name="complex_array",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=9,
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name="distinct_some_null",
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type="",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=10,
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name="n",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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],
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),
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(
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"sortable",
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[
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Column(
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cid=0,
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name="pk1",
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type="varchar(30)",
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notnull=0,
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default_value=None,
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is_pk=1,
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hidden=0,
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),
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Column(
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cid=1,
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name="pk2",
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type="varchar(30)",
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notnull=0,
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default_value=None,
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is_pk=2,
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hidden=0,
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),
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Column(
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cid=2,
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name="content",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=3,
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name="sortable",
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type="integer",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=4,
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name="sortable_with_nulls",
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type="real",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=5,
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name="sortable_with_nulls_2",
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type="real",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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Column(
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cid=6,
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name="text",
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type="text",
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notnull=0,
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default_value=None,
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is_pk=0,
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hidden=0,
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),
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],
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),
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),
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)
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@pytest.mark.asyncio
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async def test_table_column_details(db, table, expected):
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columns = await db.table_column_details(table)
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# Convert "type" to lowercase before comparison
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# https://github.com/simonw/datasette/issues/1647
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compare_columns = [
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Column(
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c.cid, c.name, c.type.lower(), c.notnull, c.default_value, c.is_pk, c.hidden
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)
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for c in columns
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]
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assert compare_columns == expected
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@pytest.mark.asyncio
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async def test_get_all_foreign_keys(db):
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all_foreign_keys = await db.get_all_foreign_keys()
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assert all_foreign_keys["roadside_attraction_characteristics"] == {
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"incoming": [],
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"outgoing": [
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{
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"other_table": "attraction_characteristic",
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"column": "characteristic_id",
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"other_column": "pk",
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},
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{
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"other_table": "roadside_attractions",
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"column": "attraction_id",
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"other_column": "pk",
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},
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],
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}
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assert all_foreign_keys["attraction_characteristic"] == {
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"incoming": [
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{
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"other_table": "roadside_attraction_characteristics",
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"column": "pk",
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"other_column": "characteristic_id",
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}
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],
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"outgoing": [],
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}
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assert all_foreign_keys["compound_primary_key"] == {
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# No incoming because these are compound foreign keys, which we currently ignore
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"incoming": [],
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"outgoing": [],
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}
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assert all_foreign_keys["foreign_key_references"] == {
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"incoming": [],
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"outgoing": [
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{
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"other_table": "primary_key_multiple_columns",
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"column": "foreign_key_with_no_label",
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"other_column": "id",
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},
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{
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"other_table": "simple_primary_key",
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"column": "foreign_key_with_blank_label",
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"other_column": "id",
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},
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{
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"other_table": "simple_primary_key",
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"column": "foreign_key_with_label",
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"other_column": "id",
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},
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],
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}
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@pytest.mark.asyncio
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async def test_table_names(db):
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table_names = await db.table_names()
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assert table_names == [
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"simple_primary_key",
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"primary_key_multiple_columns",
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"primary_key_multiple_columns_explicit_label",
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"compound_primary_key",
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"compound_three_primary_keys",
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"foreign_key_references",
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"sortable",
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"no_primary_key",
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"123_starts_with_digits",
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"Table With Space In Name",
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"table/with/slashes.csv",
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"complex_foreign_keys",
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"custom_foreign_key_label",
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"units",
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"tags",
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"searchable",
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"searchable_tags",
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"searchable_fts",
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"searchable_fts_segments",
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"searchable_fts_segdir",
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"searchable_fts_docsize",
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"searchable_fts_stat",
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"select",
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"infinity",
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"facet_cities",
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"facetable",
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"binary_data",
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"roadside_attractions",
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"attraction_characteristic",
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"roadside_attraction_characteristics",
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]
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@pytest.mark.asyncio
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async def test_execute_write_block_true(db):
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await db.execute_write(
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"update roadside_attractions set name = ? where pk = ?", ["Mystery!", 1]
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)
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rows = await db.execute("select name from roadside_attractions where pk = 1")
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assert "Mystery!" == rows.rows[0][0]
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@pytest.mark.asyncio
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async def test_execute_write_block_false(db):
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await db.execute_write(
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"update roadside_attractions set name = ? where pk = ?",
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["Mystery!", 1],
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)
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time.sleep(0.1)
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rows = await db.execute("select name from roadside_attractions where pk = 1")
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assert "Mystery!" == rows.rows[0][0]
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@pytest.mark.asyncio
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async def test_execute_write_script(db):
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await db.execute_write_script(
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"create table foo (id integer primary key); create table bar (id integer primary key);"
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)
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table_names = await db.table_names()
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assert {"foo", "bar"}.issubset(table_names)
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@pytest.mark.asyncio
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async def test_execute_write_many(db):
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await db.execute_write_script("create table foomany (id integer primary key)")
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await db.execute_write_many(
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"insert into foomany (id) values (?)", [(1,), (10,), (100,)]
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)
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result = await db.execute("select * from foomany")
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assert [r[0] for r in result.rows] == [1, 10, 100]
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@pytest.mark.asyncio
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async def test_execute_write_has_correctly_prepared_connection(db):
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# The sleep() function is only available if ds._prepare_connection() was called
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await db.execute_write("select sleep(0.01)")
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@pytest.mark.asyncio
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async def test_execute_write_fn_block_false(db):
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def write_fn(conn):
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with conn:
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conn.execute("delete from roadside_attractions where pk = 1;")
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row = conn.execute("select count(*) from roadside_attractions").fetchone()
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return row[0]
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task_id = await db.execute_write_fn(write_fn, block=False)
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assert isinstance(task_id, uuid.UUID)
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@pytest.mark.asyncio
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async def test_execute_write_fn_block_true(db):
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def write_fn(conn):
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with conn:
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conn.execute("delete from roadside_attractions where pk = 1;")
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row = conn.execute("select count(*) from roadside_attractions").fetchone()
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return row[0]
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new_count = await db.execute_write_fn(write_fn)
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assert 3 == new_count
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@pytest.mark.asyncio
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async def test_execute_write_fn_exception(db):
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def write_fn(conn):
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assert False
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with pytest.raises(AssertionError):
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await db.execute_write_fn(write_fn)
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|
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@pytest.mark.asyncio
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@pytest.mark.timeout(1)
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async def test_execute_write_fn_connection_exception(tmpdir, app_client):
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path = str(tmpdir / "immutable.db")
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sqlite3.connect(path).execute("vacuum")
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db = Database(app_client.ds, path=path, is_mutable=False)
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app_client.ds.add_database(db, name="immutable-db")
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def write_fn(conn):
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assert False
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with pytest.raises(AssertionError):
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await db.execute_write_fn(write_fn)
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app_client.ds.remove_database("immutable-db")
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|
|
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@pytest.mark.asyncio
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async def test_mtime_ns(db):
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assert isinstance(db.mtime_ns, int)
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|
|
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def test_mtime_ns_is_none_for_memory(app_client):
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memory_db = Database(app_client.ds, is_memory=True)
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assert memory_db.is_memory is True
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assert None is memory_db.mtime_ns
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|
|
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def test_is_mutable(app_client):
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assert Database(app_client.ds, is_memory=True).is_mutable is True
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assert Database(app_client.ds, is_memory=True, is_mutable=True).is_mutable is True
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assert Database(app_client.ds, is_memory=True, is_mutable=False).is_mutable is False
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|
|
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|
@pytest.mark.asyncio
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|
async def test_attached_databases(app_client_two_attached_databases_crossdb_enabled):
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database = app_client_two_attached_databases_crossdb_enabled.ds.get_database(
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"_memory"
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)
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attached = await database.attached_databases()
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assert {a.name for a in attached} == {"extra database", "fixtures"}
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|
|
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|
@pytest.mark.asyncio
|
|
async def test_database_memory_name(app_client):
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|
ds = app_client.ds
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|
foo1 = ds.add_database(Database(ds, memory_name="foo"))
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foo2 = ds.add_memory_database("foo")
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bar1 = ds.add_database(Database(ds, memory_name="bar"))
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bar2 = ds.add_memory_database("bar")
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for db in (foo1, foo2, bar1, bar2):
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table_names = await db.table_names()
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assert table_names == []
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# Now create a table in foo
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await foo1.execute_write("create table foo (t text)")
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assert await foo1.table_names() == ["foo"]
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assert await foo2.table_names() == ["foo"]
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assert await bar1.table_names() == []
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assert await bar2.table_names() == []
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|
|
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|
@pytest.mark.asyncio
|
|
async def test_in_memory_databases_forbid_writes(app_client):
|
|
ds = app_client.ds
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|
db = ds.add_database(Database(ds, memory_name="test"))
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|
with pytest.raises(sqlite3.OperationalError):
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|
await db.execute("create table foo (t text)")
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assert await db.table_names() == []
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|
# Using db.execute_write() should work:
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|
await db.execute_write("create table foo (t text)")
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|
assert await db.table_names() == ["foo"]
|