Files
hxbooks/tests/test_cli.py

947 lines
32 KiB
Python

"""
CLI command tests for HXBooks.
Tests all CLI commands for correct behavior, database integration, and output formatting.
"""
import json
import re
from datetime import date
import pytest
from click.testing import CliRunner
from flask import Flask
from hxbooks.cli import cli
from hxbooks.db import db
from hxbooks.models import Author, Book, Genre, Reading, User
class TestBookAddCommand:
"""Test the 'hxbooks book add' command."""
def test_book_add_basic(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test basic book addition with title and owner."""
# Run the CLI command
result = cli_runner.invoke(
cli,
[
"book",
"add",
"The Hobbit",
"--owner",
"frodo",
"--authors",
"J.R.R. Tolkien",
"--genres",
"Fantasy,Adventure",
"--isbn",
"9780547928227",
"--publisher",
"Houghton Mifflin Harcourt",
"--place",
"home",
"--bookshelf",
"living room",
"--shelf",
"2",
"--description",
"A classic fantasy tale",
"--notes",
"First edition",
],
)
# Verify CLI command succeeded
assert result.exit_code == 0, f"CLI command failed with output: {result.output}"
# Verify success message format
assert "Added book: The Hobbit (ID:" in result.output
assert "Created user: frodo" in result.output
# Verify database state
with app.app_context():
# Check user was created
users = db.session.execute(db.select(User)).scalars().all()
assert len(users) == 1
user = users[0]
assert user.username == "frodo"
# Check book was created with correct fields
books = (
db.session
.execute(db.select(Book).join(Book.authors).join(Book.genres))
.unique()
.scalars()
.all()
)
assert len(books) == 1
book = books[0]
assert book.title == "The Hobbit"
assert book.owner_id == user.id
assert book.isbn == "9780547928227"
assert book.publisher == "Houghton Mifflin Harcourt"
assert book.location_place == "home"
assert book.location_bookshelf == "living room"
assert book.location_shelf == 2
assert book.description == "A classic fantasy tale"
assert book.notes == "First edition"
# Check authors were created and linked
authors = db.session.execute(db.select(Author)).scalars().all()
assert len(authors) == 1
author = authors[0]
assert author.name == "J.R.R. Tolkien"
assert book in author.books
assert author in book.authors
# Check genres were created and linked
genres = db.session.execute(db.select(Genre)).scalars().all()
assert len(genres) == 2
genre_names = {genre.name for genre in genres}
assert genre_names == {"Fantasy", "Adventure"}
for genre in genres:
assert book in genre.books
assert genre in book.genres
def test_book_add_minimal_fields(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test book addition with only required fields."""
result = cli_runner.invoke(
cli, ["book", "add", "Minimal Book", "--owner", "alice"]
)
assert result.exit_code == 0
assert "Added book: Minimal Book (ID:" in result.output
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
assert book.title == "Minimal Book"
assert book.isbn == "" # Default empty string
assert book.publisher == ""
assert book.location_shelf is None # Default None
assert len(book.authors) == 0 # No authors provided
assert len(book.genres) == 0 # No genres provided
def test_book_add_missing_owner_fails(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test that book addition fails when owner is not provided."""
result = cli_runner.invoke(
cli,
[
"book",
"add",
"Test Book",
# Missing --owner parameter
],
)
# Should fail with exit code 2 (Click validation error)
assert result.exit_code == 2
assert "Missing option '--owner'" in result.output
class TestBookListCommand:
"""Test the 'hxbooks book list' command."""
def test_book_list_empty(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing books when database is empty."""
result = cli_runner.invoke(cli, ["book", "list"])
assert result.exit_code == 0
assert "No books found." in result.output
def test_book_list_with_books(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing books in table format."""
# Add test data
cli_runner.invoke(
cli,
["book", "add", "Book One", "--owner", "alice", "--authors", "Author A"],
)
cli_runner.invoke(
cli, ["book", "add", "Book Two", "--owner", "bob", "--authors", "Author B"]
)
result = cli_runner.invoke(cli, ["book", "list"])
assert result.exit_code == 0
assert "Book One" in result.output
assert "Book Two" in result.output
assert "Author A" in result.output
assert "Author B" in result.output
assert "alice" in result.output
assert "bob" in result.output
def test_book_list_json_format(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing books in JSON format."""
# Add test data
cli_runner.invoke(
cli,
[
"book",
"add",
"Test Book",
"--owner",
"alice",
"--authors",
"Test Author",
"--isbn",
"1234567890",
],
)
result = cli_runner.invoke(cli, ["book", "list", "--format", "json"])
assert result.exit_code == 0
books_data = json.loads(result.output)
assert len(books_data) == 1
book = books_data[0]
assert book["title"] == "Test Book"
assert book["authors"] == ["Test Author"]
assert book["owner"] == "alice"
assert book["isbn"] == "1234567890"
def test_book_list_filter_by_owner(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test filtering books by owner."""
# Add books for different owners
cli_runner.invoke(cli, ["book", "add", "Alice Book", "--owner", "alice"])
cli_runner.invoke(cli, ["book", "add", "Bob Book", "--owner", "bob"])
result = cli_runner.invoke(cli, ["book", "list", "--owner", "alice"])
assert result.exit_code == 0
assert "Alice Book" in result.output
assert "Bob Book" not in result.output
def test_book_list_filter_by_location(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test filtering books by location."""
# Add books in different locations
cli_runner.invoke(
cli,
[
"book",
"add",
"Home Book",
"--owner",
"alice",
"--place",
"home",
"--bookshelf",
"living",
"--shelf",
"1",
],
)
cli_runner.invoke(
cli,
[
"book",
"add",
"Office Book",
"--owner",
"alice",
"--place",
"office",
"--bookshelf",
"work",
"--shelf",
"2",
],
)
result = cli_runner.invoke(
cli,
[
"book",
"list",
"--place",
"home",
"--bookshelf",
"living",
"--shelf",
"1",
],
)
assert result.exit_code == 0
assert "Home Book" in result.output
assert "Office Book" not in result.output
class TestBookSearchCommand:
"""Test the 'hxbooks book search' command."""
def test_book_search_basic(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test basic book search functionality."""
# Add test books
cli_runner.invoke(
cli,
[
"book",
"add",
"The Hobbit",
"--owner",
"alice",
"--authors",
"Tolkien",
"--genres",
"Fantasy",
],
)
cli_runner.invoke(
cli,
[
"book",
"add",
"Dune",
"--owner",
"alice",
"--authors",
"Herbert",
"--genres",
"Sci-Fi",
],
)
result = cli_runner.invoke(cli, ["book", "search", "Hobbit"])
assert result.exit_code == 0
assert "The Hobbit" in result.output
assert "Dune" not in result.output
def test_book_search_no_results(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test search with no matching results."""
result = cli_runner.invoke(cli, ["book", "search", "nonexistent"])
assert result.exit_code == 0
assert "No books found." in result.output
def test_book_search_json_format(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test book search with JSON output."""
cli_runner.invoke(
cli,
[
"book",
"add",
"Test Book",
"--owner",
"alice",
"--authors",
"Test Author",
],
)
result = cli_runner.invoke(cli, ["book", "search", "Test", "--format", "json"])
assert result.exit_code == 0
search_results = json.loads(result.output)
assert len(search_results) >= 1
# Results format depends on BookService.search_books_advanced implementation
@pytest.mark.parametrize(
"query,expected_titles",
[
# String field filters
("title:Hobbit", ["The Hobbit"]),
("author:Tolkien", ["The Hobbit", "The Fellowship"]),
("genre:Fantasy", ["The Hobbit", "The Fellowship"]),
("owner:alice", ["The Hobbit", "The Fellowship", "Dune"]),
("place:home", ["The Hobbit", "Programming Book"]),
("bookshelf:fantasy", ["The Hobbit", "The Fellowship"]),
# Numeric field filters
pytest.param(
"rating>=4",
["The Hobbit", "Programming Book"],
marks=pytest.mark.xfail(reason="Rating filter not implemented yet"),
),
pytest.param(
"rating=3",
["Dune"],
marks=pytest.mark.xfail(reason="Rating filter not implemented yet"),
),
("shelf>1", ["The Fellowship", "Programming Book"]),
(
"year>=1954",
["The Hobbit", "The Fellowship", "Dune", "Programming Book"],
),
# Date field filters
(
"added>=2026-03-15",
["The Hobbit", "The Fellowship", "Dune", "Programming Book"],
),
("bought<2026-01-01", ["Programming Book"]),
# Negation
("-genre:Fantasy", ["Dune", "Programming Book"]),
("-owner:bob", ["The Hobbit", "The Fellowship", "Dune"]),
# Complex query with multiple filters
("-genre:Fantasy owner:alice", ["Dune"]),
],
)
def test_book_search_advanced_queries(
self, app: Flask, cli_runner: CliRunner, query: str, expected_titles: list[str]
) -> None:
"""Test advanced search queries with various field filters."""
# Set up comprehensive test data
self._setup_search_test_data(app, cli_runner)
# Execute the search query
result = cli_runner.invoke(
cli, ["book", "search", "--format", "json", "--", query]
)
assert result.exit_code == 0, f"Search query '{query}' failed: {result.output}"
# Parse results and extract titles
search_results = json.loads(result.output)
actual_titles = [book["title"] for book in search_results]
# Verify expected titles are present (order doesn't matter)
assert set(expected_titles) == set(actual_titles), (
f"Query '{query}' expected {expected_titles}, got {actual_titles}"
)
def _setup_search_test_data(self, app: Flask, cli_runner: CliRunner) -> None:
"""Set up comprehensive test data for advanced search testing."""
# Book 1: The Hobbit - Fantasy, high rating, shelf 1, home
cli_runner.invoke(
cli,
[
"book",
"add",
"The Hobbit",
"--owner",
"alice",
"--authors",
"J.R.R. Tolkien",
"--genres",
"Fantasy,Adventure",
"--place",
"home",
"--bookshelf",
"fantasy",
"--shelf",
"1",
"--publisher",
"Allen & Unwin",
],
)
# Book 2: The Fellowship - Fantasy, high rating, shelf 2, office
cli_runner.invoke(
cli,
[
"book",
"add",
"The Fellowship",
"--owner",
"alice",
"--authors",
"J.R.R. Tolkien",
"--genres",
"Fantasy,Epic",
"--place",
"office",
"--bookshelf",
"fantasy",
"--shelf",
"2",
"--publisher",
"Allen & Unwin",
],
)
# Book 3: Dune - Sci-Fi, medium rating, shelf 1, office
cli_runner.invoke(
cli,
[
"book",
"add",
"Dune",
"--owner",
"alice",
"--authors",
"Frank Herbert",
"--genres",
"Science Fiction",
"--place",
"office",
"--bookshelf",
"scifi",
"--shelf",
"1",
"--publisher",
"Chilton Books",
],
)
# Book 4: Programming Book - Tech, high rating, shelf 2, home, different owner
cli_runner.invoke(
cli,
[
"book",
"add",
"Programming Book",
"--owner",
"bob",
"--authors",
"Tech Author",
"--genres",
"Technology,Programming",
"--place",
"home",
"--bookshelf",
"tech",
"--shelf",
"2",
"--publisher",
"Tech Press",
],
)
# Add some readings and ratings to test rating filters
with app.app_context():
# Get book IDs
books = (
db.session.execute(db.select(Book).order_by(Book.id)).scalars().all()
)
hobbit_id = next(b.id for b in books if b.title == "The Hobbit")
fellowship_id = next(b.id for b in books if b.title == "The Fellowship")
dune_id = next(b.id for b in books if b.title == "Dune")
prog_id = next(b.id for b in books if b.title == "Programming Book")
# Start and finish reading sessions with ratings
cli_runner.invoke(cli, ["reading", "start", str(hobbit_id), "--owner", "alice"])
cli_runner.invoke(cli, ["reading", "start", str(dune_id), "--owner", "alice"])
cli_runner.invoke(cli, ["reading", "start", str(prog_id), "--owner", "bob"])
with app.app_context():
# Get reading session IDs
readings = (
db.session
.execute(db.select(Reading).order_by(Reading.id))
.scalars()
.all()
)
hobbit_reading = next(r for r in readings if r.book_id == hobbit_id)
dune_reading = next(r for r in readings if r.book_id == dune_id)
prog_reading = next(r for r in readings if r.book_id == prog_id)
# Finish with different ratings
cli_runner.invoke(
cli, ["reading", "finish", str(hobbit_reading.id), "--rating", "5"]
)
cli_runner.invoke(
cli, ["reading", "finish", str(dune_reading.id), "--rating", "3"]
)
cli_runner.invoke(
cli, ["reading", "finish", str(prog_reading.id), "--rating", "4"]
)
# Update one book with bought_date for date filter testing
with app.app_context():
prog_book = db.session.get(Book, prog_id)
assert prog_book is not None
prog_book.bought_date = date(2025, 12, 1) # Before 2026-01-01
prog_book.first_published = 2000
hobbit_book = db.session.get(Book, hobbit_id)
assert hobbit_book is not None
hobbit_book.first_published = 1937
fellowship_book = db.session.get(Book, fellowship_id)
assert fellowship_book is not None
fellowship_book.first_published = 1954
dune_book = db.session.get(Book, dune_id)
assert dune_book is not None
dune_book.first_published = 1965
db.session.commit()
class TestReadingCommands:
"""Test reading-related CLI commands."""
def test_reading_start_basic(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test starting a reading session."""
# Add a book first
result = cli_runner.invoke(
cli, ["book", "add", "Test Book", "--owner", "alice"]
)
assert result.exit_code == 0
# Extract book ID from output
book_id_match = re.search(r"ID: (\d+)", result.output)
assert book_id_match
book_id = book_id_match.group(1)
# Start reading session
result = cli_runner.invoke(
cli, ["reading", "start", book_id, "--owner", "alice"]
)
assert result.exit_code == 0
assert "Started reading session" in result.output
assert f"for book {book_id}" in result.output
def test_reading_finish_with_rating(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test finishing a reading session with rating."""
# Add book and start reading
cli_runner.invoke(cli, ["book", "add", "Test Book", "--owner", "alice"])
with app.app_context():
# Get the book ID from database
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
result = cli_runner.invoke(
cli, ["reading", "start", str(book_id), "--owner", "alice"]
)
assert result.exit_code == 0
# Extract reading session ID
reading_id_match = re.search(r"Started reading session (\d+)", result.output)
assert reading_id_match
reading_id = reading_id_match.group(1)
# Finish reading with rating
result = cli_runner.invoke(
cli,
[
"reading",
"finish",
reading_id,
"--rating",
"4",
"--comments",
"Great book!",
],
)
assert result.exit_code == 0
assert "Finished reading: Test Book" in result.output
assert "Rating: 4/5" in result.output
def test_reading_drop(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test dropping a reading session."""
# Add book and start reading
cli_runner.invoke(cli, ["book", "add", "Boring Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
result = cli_runner.invoke(
cli, ["reading", "start", str(book_id), "--owner", "alice"]
)
reading_id_match = re.search(r"Started reading session (\d+)", result.output)
assert reading_id_match is not None
reading_id = reading_id_match.group(1)
# Drop the reading
result = cli_runner.invoke(
cli, ["reading", "drop", reading_id, "--comments", "Too boring"]
)
assert result.exit_code == 0
assert "Dropped reading: Boring Book" in result.output
def test_reading_list_current(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing current (unfinished) readings."""
# Add book and start reading
cli_runner.invoke(cli, ["book", "add", "Current Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
cli_runner.invoke(cli, ["reading", "start", str(book_id), "--owner", "alice"])
result = cli_runner.invoke(
cli, ["reading", "list", "--owner", "alice", "--current"]
)
assert result.exit_code == 0, f"CLI command failed with output: {result.output}"
assert "Current Book" in result.output
assert "Reading" in result.output
def test_reading_list_json_format(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing readings in JSON format."""
# Add book and start reading
cli_runner.invoke(cli, ["book", "add", "JSON Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
cli_runner.invoke(cli, ["reading", "start", str(book_id), "--owner", "alice"])
result = cli_runner.invoke(
cli, ["reading", "list", "--owner", "alice", "--format", "json"]
)
assert result.exit_code == 0
readings_data = json.loads(result.output)
assert len(readings_data) == 1
reading = readings_data[0]
assert reading["book_title"] == "JSON Book"
assert reading["finished"] is False
class TestWishlistCommands:
"""Test wishlist-related CLI commands."""
def test_wishlist_add(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test adding a book to wishlist."""
# Add a book first
cli_runner.invoke(cli, ["book", "add", "Desired Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
result = cli_runner.invoke(
cli, ["wishlist", "add", str(book_id), "--owner", "alice"]
)
assert result.exit_code == 0
assert "Added 'Desired Book' to wishlist" in result.output
def test_wishlist_remove(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test removing a book from wishlist."""
# Add book and add to wishlist
cli_runner.invoke(cli, ["book", "add", "Unwanted Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
cli_runner.invoke(cli, ["wishlist", "add", str(book_id), "--owner", "alice"])
result = cli_runner.invoke(
cli, ["wishlist", "remove", str(book_id), "--owner", "alice"]
)
assert result.exit_code == 0
assert f"Removed book {book_id} from wishlist" in result.output
def test_wishlist_remove_not_in_list(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test removing a book that's not in wishlist."""
# Add book but don't add to wishlist
cli_runner.invoke(cli, ["book", "add", "Not Wished Book", "--owner", "alice"])
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
result = cli_runner.invoke(
cli, ["wishlist", "remove", str(book_id), "--owner", "alice"]
)
assert result.exit_code == 0
assert f"Book {book_id} was not in wishlist" in result.output
def test_wishlist_list_empty(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing empty wishlist."""
result = cli_runner.invoke(cli, ["wishlist", "list", "--owner", "alice"])
assert result.exit_code == 0
assert "Wishlist is empty." in result.output
def test_wishlist_list_with_items(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing wishlist with items."""
# Add books and add to wishlist
cli_runner.invoke(
cli,
[
"book",
"add",
"Wished Book 1",
"--owner",
"alice",
"--authors",
"Author One",
],
)
cli_runner.invoke(
cli,
[
"book",
"add",
"Wished Book 2",
"--owner",
"alice",
"--authors",
"Author Two",
],
)
with app.app_context():
books = db.session.execute(db.select(Book)).scalars().all()
for book in books:
result = cli_runner.invoke(
cli, ["wishlist", "add", str(book.id), "--owner", "alice"]
)
assert result.exit_code == 0
result = cli_runner.invoke(cli, ["wishlist", "list", "--owner", "alice"])
assert result.exit_code == 0
assert "Wished Book 1" in result.output
assert "Wished Book 2" in result.output
assert "Author One" in result.output
assert "Author Two" in result.output
def test_wishlist_list_json_format(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test listing wishlist in JSON format."""
cli_runner.invoke(
cli,
[
"book",
"add",
"JSON Wished Book",
"--owner",
"alice",
"--authors",
"JSON Author",
],
)
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
cli_runner.invoke(cli, ["wishlist", "add", str(book_id), "--owner", "alice"])
result = cli_runner.invoke(
cli, ["wishlist", "list", "--owner", "alice", "--format", "json"]
)
assert result.exit_code == 0
wishlist_data = json.loads(result.output)
assert len(wishlist_data) == 1
item = wishlist_data[0]
assert item["title"] == "JSON Wished Book"
assert item["authors"] == ["JSON Author"]
class TestDatabaseCommands:
"""Test database management CLI commands."""
def test_db_init(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test database initialization."""
result = cli_runner.invoke(cli, ["db", "init"])
assert result.exit_code == 0
assert "Database initialized." in result.output
def test_db_seed(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test database seeding with sample data."""
result = cli_runner.invoke(cli, ["db", "seed", "--owner", "test_owner"])
assert result.exit_code == 0
assert "Created: The Hobbit" in result.output
assert "Created: Dune" in result.output
assert "Created: The Pragmatic Programmer" in result.output
assert "Created 3 sample books for user 'test_owner'" in result.output
# Verify books were actually created
with app.app_context():
books = db.session.execute(db.select(Book)).scalars().all()
assert len(books) == 3
titles = {book.title for book in books}
assert "The Hobbit" in titles
assert "Dune" in titles
assert "The Pragmatic Programmer" in titles
def test_db_status_empty(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test database status with empty database."""
result = cli_runner.invoke(cli, ["db", "status"])
assert result.exit_code == 0
assert "Database Statistics:" in result.output
assert "Books: 0" in result.output
assert "Authors: 0" in result.output
assert "Genres: 0" in result.output
assert "Users: 0" in result.output
assert "Reading sessions: 0" in result.output
assert "Wishlist items: 0" in result.output
def test_db_status_with_data(self, app: Flask, cli_runner: CliRunner) -> None:
"""Test database status with sample data."""
# Add some test data
cli_runner.invoke(
cli,
[
"book",
"add",
"Status Book",
"--owner",
"alice",
"--authors",
"Status Author",
"--genres",
"Status Genre",
],
)
with app.app_context():
book = db.session.execute(db.select(Book)).scalar_one()
book_id = book.id
# Add reading and wishlist entries
cli_runner.invoke(cli, ["reading", "start", str(book_id), "--owner", "alice"])
cli_runner.invoke(cli, ["wishlist", "add", str(book_id), "--owner", "bob"])
result = cli_runner.invoke(cli, ["db", "status"])
assert result.exit_code == 0
assert "Books: 1" in result.output
assert "Authors: 1" in result.output
assert "Genres: 1" in result.output
assert "Users: 2" in result.output # alice and bob
assert "Reading sessions: 1" in result.output
assert "Wishlist items: 1" in result.output
class TestErrorScenarios:
"""Test error handling and edge cases."""
def test_reading_start_invalid_book_id(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test starting reading with non-existent book ID."""
result = cli_runner.invoke(cli, ["reading", "start", "999", "--owner", "alice"])
assert result.exit_code == 1
assert "Error starting reading:" in result.output
def test_wishlist_add_invalid_book_id(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test adding non-existent book to wishlist."""
result = cli_runner.invoke(cli, ["wishlist", "add", "999", "--owner", "alice"])
assert result.exit_code == 1
assert "Error adding to wishlist:" in result.output
def test_reading_finish_invalid_reading_id(
self, app: Flask, cli_runner: CliRunner
) -> None:
"""Test finishing non-existent reading session."""
result = cli_runner.invoke(cli, ["reading", "finish", "999"])
assert result.exit_code == 1
assert "Error finishing reading:" in result.output