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|
mod app {
use dua::interactive::{EntryData, TerminalApp, Tree};
use dua::{ByteFormat, Color, Sorting, WalkOptions};
use failure::Error;
use pretty_assertions::assert_eq;
use std::{ffi::OsString, fmt, path::Path};
use tui::backend::TestBackend;
use tui::Terminal;
fn debug(item: impl fmt::Debug) -> String {
format!("{:?}", item)
}
#[test]
fn journey_with_single_path() -> Result<(), Error> {
let (_, mut app) = initialized_app_and_terminal("sample-01")?;
let mut expected_tree = sample_01_tree();
assert_eq!(
debug(app.tree.node_weights_mut().collect::<Vec<_>>()),
debug(expected_tree.node_weights_mut().collect::<Vec<_>>()),
"filesystem graph is stable and matches the directory structure"
);
Ok(())
}
fn initialized_app_and_terminal(
fixture_path: &str,
) -> Result<(Terminal<TestBackend>, TerminalApp), Error> {
let mut terminal = Terminal::new(TestBackend::new(40, 20))?;
let input = Path::new(env!("CARGO_MANIFEST_DIR"))
.join("tests/fixtures")
.join(fixture_path);
let app = TerminalApp::initialize(
&mut terminal,
WalkOptions {
threads: 1,
byte_format: ByteFormat::Metric,
color: Color::None,
sorting: Sorting::AlphabeticalByFileName,
},
vec![input],
)?;
Ok((terminal, app))
}
fn sample_01_tree() -> Tree {
let mut t = Tree::new();
let mut add_node = |name, size| {
t.add_node(EntryData {
name: OsString::from(name),
size,
metadata_io_error: false,
});
};
add_node("", 0);
add_node("sample-01", 0);
add_node(".hidden.666", 666);
add_node("a", 256);
add_node("b.empty", 0);
add_node("c.lnk", 1);
add_node("dir", 0);
add_node("1000bytes", 1000);
add_node("dir-a.1mb", 1_000_000);
add_node("dir-a.kb", 1024);
add_node("empty-dir", 0);
add_node(".gitkeep", 0);
add_node("sub", 0);
add_node("dir-sub-a.256kb", 256_000);
t
}
}
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