kopia lustrzana https://github.com/simonw/datasette
77 wiersze
1.9 KiB
Python
77 wiersze
1.9 KiB
Python
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from datasette.app import Datasette
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import os
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import pytest
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import sqlite3
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import tempfile
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TABLES = '''
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CREATE TABLE "election_results" (
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"county" INTEGER,
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"party" INTEGER,
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"office" INTEGER,
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"votes" INTEGER,
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FOREIGN KEY (county) REFERENCES county(id),
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FOREIGN KEY (party) REFERENCES party(id),
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FOREIGN KEY (office) REFERENCES office(id)
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);
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CREATE TABLE "county" (
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"id" INTEGER PRIMARY KEY ,
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"name" TEXT
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);
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CREATE TABLE "party" (
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"id" INTEGER PRIMARY KEY ,
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"name" TEXT
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);
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CREATE TABLE "office" (
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"id" INTEGER PRIMARY KEY ,
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"name" TEXT
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);
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'''
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@pytest.fixture(scope='module')
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def ds_instance():
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with tempfile.TemporaryDirectory() as tmpdir:
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filepath = os.path.join(tmpdir, 'test_tables.db')
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conn = sqlite3.connect(filepath)
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conn.executescript(TABLES)
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yield Datasette([filepath])
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def test_inspect(ds_instance):
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info = ds_instance.inspect()
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tables = info['test_tables']['tables']
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for table_name in ('county', 'party', 'office'):
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assert 0 == tables[table_name]['count']
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foreign_keys = tables[table_name]['foreign_keys']
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assert [] == foreign_keys['outgoing']
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assert [{
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'column': 'id',
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'other_column': table_name,
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'other_table': 'election_results'
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}] == foreign_keys['incoming']
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election_results = tables['election_results']
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assert 0 == election_results['count']
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assert sorted([{
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'column': 'county',
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'other_column': 'id',
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'other_table': 'county'
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}, {
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'column': 'party',
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'other_column': 'id',
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'other_table': 'party'
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}, {
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'column': 'office',
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'other_column': 'id',
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'other_table': 'office'
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}], key=lambda d: d['column']) == sorted(
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election_results['foreign_keys']['outgoing'],
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key=lambda d: d['column']
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)
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assert [] == election_results['foreign_keys']['incoming']
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