From 05c8ec1a6e2ce9af3f55d75cb761cf3b66244bb8 Mon Sep 17 00:00:00 2001
From: Sebastian Thiel <sthiel@thoughtworks.com>
Date: Mon, 3 Jun 2019 12:03:43 +0530
Subject: The first test for user input, yeah!

---
 tests/interactive.rs | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

(limited to 'tests')

diff --git a/tests/interactive.rs b/tests/interactive.rs
index 159f05e..1fb32da 100644
--- a/tests/interactive.rs
+++ b/tests/interactive.rs
@@ -1,10 +1,13 @@
 mod app {
-    use dua::interactive::{EntryData, TerminalApp, Tree, TreeIndexType};
-    use dua::{ByteFormat, Color, TraversalSorting, WalkOptions};
+    use dua::{
+        interactive::{widgets::SortMode, EntryData, TerminalApp, Tree, TreeIndexType},
+        ByteFormat, Color, TraversalSorting, WalkOptions,
+    };
     use failure::Error;
     use petgraph::prelude::NodeIndex;
     use pretty_assertions::assert_eq;
     use std::{ffi::OsString, fmt, path::Path};
+    use termion::input::TermRead;
     use tui::backend::TestBackend;
     use tui::Terminal;
 
@@ -38,6 +41,26 @@ mod app {
         Ok(())
     }
 
+    #[test]
+    fn simple_user_journey() -> Result<(), Error> {
+        let (mut terminal, mut app) = initialized_app_and_terminal("sample-02")?;
+        assert_eq!(
+            app.state.sorting,
+            SortMode::SizeDescending,
+            "it starts in descending order by size"
+        );
+
+        // when hitting the S key
+        app.process_events(&mut terminal, b"s".keys())?;
+        assert_eq!(
+            app.state.sorting,
+            SortMode::SizeAscending,
+            "it sets the sort to size ascending"
+        );
+
+        Ok(())
+    }
+
     fn initialized_app_and_terminal(
         fixture_path: &str,
     ) -> Result<(Terminal<TestBackend>, TerminalApp), Error> {
-- 
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