kopia lustrzana https://github.com/simonw/datasette
200 wiersze
5.4 KiB
Python
200 wiersze
5.4 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 import sqlite3
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from .fixtures import app_client
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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.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.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 {
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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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} == all_foreign_keys["roadside_attraction_characteristics"]
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assert {
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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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} == all_foreign_keys["attraction_characteristic"]
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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 [
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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_content",
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"searchable_fts_segments",
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"searchable_fts_segdir",
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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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] == table_names
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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 = ?",
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["Mystery!", 1],
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block=True,
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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 = ?", ["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_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)
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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, block=True)
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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, block=True)
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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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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 None is memory_db.mtime_ns
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