// ABOUTME: Unit tests for cursor-based pagination module
// ABOUTME: Tests cursor encoding, decoding, and pagination parameter handling
//
// SPDX-License-Identifier: MIT OR Apache-2.0
// Copyright (c) 2025 Pierre Fitness Intelligence
#![allow(clippy::unwrap_used, clippy::expect_used, clippy::panic)]
#![allow(missing_docs)]
use chrono::Utc;
use pierre_mcp_server::pagination::{Cursor, CursorPage, PaginationDirection, PaginationParams};
#[test]
fn test_cursor_encoding_decoding() {
let timestamp = Utc::now();
let id = "12345";
let cursor = Cursor::new(timestamp, id);
let (decoded_timestamp, decoded_id) = cursor.decode().unwrap();
assert_eq!(decoded_timestamp.timestamp(), timestamp.timestamp());
assert_eq!(decoded_id, id);
}
#[test]
fn test_cursor_invalid_decode() {
let invalid_cursor = Cursor::from_string("invalid_base64!@#$".to_owned());
assert!(invalid_cursor.decode().is_none());
}
#[test]
fn test_cursor_page_creation() {
let items = vec![1, 2, 3];
let next_cursor = Some(Cursor::new(Utc::now(), "next_id"));
let page = CursorPage::new(items.clone(), next_cursor, None, true);
assert_eq!(page.items, items);
assert_eq!(page.count, 3);
assert!(page.has_more);
assert!(page.next_cursor.is_some());
assert!(page.prev_cursor.is_none());
}
#[test]
fn test_empty_page() {
let page: CursorPage<i32> = CursorPage::empty();
assert_eq!(page.items.len(), 0);
assert_eq!(page.count, 0);
assert!(!page.has_more);
assert!(page.next_cursor.is_none());
assert!(page.prev_cursor.is_none());
}
#[test]
fn test_pagination_params_forward() {
let cursor = Some(Cursor::new(Utc::now(), "test_id"));
let params = PaginationParams::forward(cursor, 20);
assert_eq!(params.limit, 20);
assert_eq!(params.direction, PaginationDirection::Forward);
assert!(params.cursor.is_some());
}
#[test]
fn test_pagination_params_backward() {
let params = PaginationParams::backward(None, 10);
assert_eq!(params.limit, 10);
assert_eq!(params.direction, PaginationDirection::Backward);
assert!(params.cursor.is_none());
}
