datasette/tests/test_app.py

268 wiersze
7.5 KiB
Python

from datasette.app import Datasette
import os
import pytest
import sqlite3
import tempfile
import time
@pytest.fixture(scope='module')
def app_client():
with tempfile.TemporaryDirectory() as tmpdir:
filepath = os.path.join(tmpdir, 'test_tables.db')
conn = sqlite3.connect(filepath)
conn.executescript(TABLES)
os.chdir(os.path.dirname(filepath))
ds = Datasette(
[filepath],
page_size=50,
max_returned_rows=100,
sql_time_limit_ms=20,
)
ds.sqlite_functions.append(
('sleep', 1, lambda n: time.sleep(float(n))),
)
yield ds.app().test_client
def test_homepage(app_client):
_, response = app_client.get('/')
assert response.status == 200
assert 'test_tables' in response.text
# Now try the JSON
_, response = app_client.get('/.json')
assert response.status == 200
assert response.json.keys() == {'test_tables': 0}.keys()
d = response.json['test_tables']
assert d['name'] == 'test_tables'
assert d['tables_count'] == 6
def test_database_page(app_client):
_, response = app_client.get('/test_tables', allow_redirects=False)
assert response.status == 302
_, response = app_client.get('/test_tables')
assert 'test_tables' in response.text
# Test JSON list of tables
_, response = app_client.get('/test_tables.json')
data = response.json
assert 'test_tables' == data['database']
assert [{
'columns': ['content'],
'name': '123_starts_with_digits',
'table_rows': 0,
}, {
'columns': ['pk', 'content'],
'name': 'Table With Space In Name',
'table_rows': 0,
}, {
'columns': ['pk1', 'pk2', 'content'],
'name': 'compound_primary_key',
'table_rows': 0,
}, {
'columns': ['content'],
'name': 'no_primary_key',
'table_rows': 201,
}, {
'columns': ['pk', 'content'],
'name': 'simple_primary_key',
'table_rows': 2,
}, {
'columns': ['pk', 'content'],
'name': 'table/with/slashes.csv',
'table_rows': 1,
}] == data['tables']
def test_custom_sql(app_client):
_, response = app_client.get(
'/test_tables.jsono?sql=select+content+from+simple_primary_key'
)
data = response.json
assert {
'sql': 'select content from simple_primary_key',
'params': {}
} == data['query']
assert [
{'content': 'hello'},
{'content': 'world'}
] == data['rows']
assert ['content'] == data['columns']
assert 'test_tables' == data['database']
assert not data['truncated']
def test_sql_time_limit(app_client):
_, response = app_client.get(
'/test_tables.jsono?sql=select+sleep(0.5)'
)
assert 400 == response.status
assert 'interrupted' == response.json['error']
def test_custom_sql_time_limit(app_client):
_, response = app_client.get(
'/test_tables.jsono?sql=select+sleep(0.01)'
)
assert 200 == response.status
_, response = app_client.get(
'/test_tables.jsono?sql=select+sleep(0.01)&_sql_time_limit_ms=5'
)
assert 400 == response.status
assert 'interrupted' == response.json['error']
def test_invalid_custom_sql(app_client):
_, response = app_client.get(
'/test_tables?sql=.schema'
)
assert response.status == 400
assert 'Statement must begin with SELECT' in response.text
_, response = app_client.get(
'/test_tables.json?sql=.schema'
)
assert response.status == 400
assert response.json['ok'] is False
assert 'Statement must begin with SELECT' == response.json['error']
def test_table_page(app_client):
_, response = app_client.get('/test_tables/simple_primary_key')
assert response.status == 200
_, response = app_client.get('/test_tables/simple_primary_key.jsono')
assert response.status == 200
data = response.json
assert data['query']['sql'] == 'select * from simple_primary_key order by pk limit 51'
assert data['query']['params'] == {}
assert data['rows'] == [{
'pk': '1',
'content': 'hello',
}, {
'pk': '2',
'content': 'world',
}]
def test_table_with_slashes_in_name(app_client):
_, response = app_client.get('/test_tables/table%2Fwith%2Fslashes.csv')
assert response.status == 200
_, response = app_client.get('/test_tables/table%2Fwith%2Fslashes.csv.jsono')
assert response.status == 200
data = response.json
assert data['rows'] == [{
'pk': '3',
'content': 'hey',
}]
@pytest.mark.parametrize('path,expected_rows,expected_pages', [
('/test_tables/no_primary_key.jsono', 201, 5),
('/test_tables/paginated_view.jsono', 201, 5),
('/test_tables/123_starts_with_digits.jsono', 0, 1),
])
def test_paginate_tables_and_views(app_client, path, expected_rows, expected_pages):
fetched = []
count = 0
while path:
_, response = app_client.get(path)
count += 1
fetched.extend(response.json['rows'])
path = response.json['next_url']
if path:
assert response.json['next'] and path.endswith(response.json['next'])
assert count < 10, 'Possible infinite loop detected'
assert expected_rows == len(fetched)
assert expected_pages == count
def test_max_returned_rows(app_client):
_, response = app_client.get(
'/test_tables.jsono?sql=select+content+from+no_primary_key'
)
data = response.json
assert {
'sql': 'select content from no_primary_key',
'params': {}
} == data['query']
assert data['truncated']
assert 100 == len(data['rows'])
def test_view(app_client):
_, response = app_client.get('/test_tables/simple_view')
assert response.status == 200
_, response = app_client.get('/test_tables/simple_view.jsono')
assert response.status == 200
data = response.json
assert data['rows'] == [{
'upper_content': 'HELLO',
'content': 'hello',
}, {
'upper_content': 'WORLD',
'content': 'world',
}]
def test_row(app_client):
_, response = app_client.get('/test_tables/simple_primary_key/1', allow_redirects=False)
assert response.status == 302
assert response.headers['Location'].endswith('/1')
_, response = app_client.get('/test_tables/simple_primary_key/1')
assert response.status == 200
_, response = app_client.get('/test_tables/simple_primary_key/1.jsono')
assert response.status == 200
assert [{'pk': '1', 'content': 'hello'}] == response.json['rows']
TABLES = '''
CREATE TABLE simple_primary_key (
pk varchar(30) primary key,
content text
);
CREATE TABLE compound_primary_key (
pk1 varchar(30),
pk2 varchar(30),
content text,
PRIMARY KEY (pk1, pk2)
);
CREATE TABLE no_primary_key (
content text
);
CREATE TABLE [123_starts_with_digits] (
content text
);
CREATE VIEW paginated_view AS
SELECT
content,
'- ' || content || ' -' AS content_extra
FROM no_primary_key;
CREATE TABLE "Table With Space In Name" (
pk varchar(30) primary key,
content text
);
CREATE TABLE "table/with/slashes.csv" (
pk varchar(30) primary key,
content text
);
INSERT INTO simple_primary_key VALUES (1, 'hello');
INSERT INTO simple_primary_key VALUES (2, 'world');
INSERT INTO [table/with/slashes.csv] VALUES (3, 'hey');
CREATE VIEW simple_view AS
SELECT content, upper(content) AS upper_content FROM simple_primary_key;
''' + '\n'.join([
'INSERT INTO no_primary_key VALUES ({});'.format(i + 1)
for i in range(201)
])