First CLI command: sqlite-utils table_names test.db

tests/test_cli.py

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+from sqlite_utils import cli
+from click.testing import CliRunner
+import pytest
+import sqlite3
+
+
+CREATE_TABLES = """
+create table Gosh (c1 text, c2 text, c3 text);
+create table Gosh2 (c1 text, c2 text, c3 text);
+"""
+
+
+@pytest.fixture
+def db_path(tmpdir):
+    path = str(tmpdir / "test.db")
+    db = sqlite3.connect(path)
+    db.executescript(CREATE_TABLES)
+    return path
+
+
+def test_table_names(db_path):
+    result = CliRunner().invoke(cli.cli, ["table_names", db_path])
+    assert "Gosh\nGosh2" == result.output.strip()