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//! Integration snapshot tests for the Ratatui TUI components
//!
//! These tests use the `insta` crate to capture visual snapshots of the actual terminal output.
//! This ensures that the TUI continues to render correctly after changes.
//!
//! To update snapshots, run: `cargo insta review`
use insta::assert_snapshot;
use ratatui::{Terminal, backend::TestBackend};
/// Test basic rendering with TestBackend to simulate terminal rendering
#[test]
fn test_basic_terminal_rendering() {
// Use a TestBackend with fixed dimensions to simulate terminal
let backend = TestBackend::new(80, 20);
let mut terminal = Terminal::new(backend).unwrap();
// Draw a simple frame - this is a basic test of the TestBackend functionality
terminal
.draw(|f| {
// Create a simple area test
let _area = f.area();
// This just tests that the backend works without any complex rendering
})
.unwrap();
// Take a snapshot of the terminal backend - this captures the rendered output
// The snapshot will show an empty terminal with the given dimensions
assert_snapshot!(format!("{}", terminal.backend()));
}
/// Test terminal rendering with basic content
#[test]
fn test_terminal_rendering_with_content() {
let backend = TestBackend::new(40, 10);
let mut terminal = Terminal::new(backend).unwrap();
// Draw a simple representation
terminal
.draw(|f| {
// Use the frame for basic rendering operations
// Note: this is basic test of terminal drawing functionality
let _area = f.area();
})
.unwrap();
assert_snapshot!(format!("{}", terminal.backend()));
}