fix contributing guide and clippy warnings in tests

.cargo/config.toml

@@ -1,3 +1,3 @@
 [alias]
-watch-check = ["watch", "-x", "check --examples --features ratatui-crossterm,search --no-default-features --tests", "-x", "check --examples --features search --tests"]
-watch-test = ["watch", "-x", "test --features=search -- --skip=src/lib.rs", "-w", "src"]
+watch-check = ["watch", "-x", "clippy --features ratatui-crossterm,search --no-default-features --examples --tests", "-x", "clippy --features search --examples --tests"]
+watch-test = ["watch", "-x", "test --features=search -- --skip=src/lib.rs", "-w", "src", "-w", "tests"]

CONTRIBUTING.md

@@ -29,13 +29,15 @@ cargo test --features=search -- --skip src/lib.rs
 To run linters:
 
 ```sh
-cargo clippy --all-features --examples
+cargo clippy --features=search --tests --examples
+cargo clippy --features=ratatui-crossterm,search --no-default-features --tests --examples
 cargo fmt -- --check
 ```
 
-If you use [cargo-watch][], `cargo watch-check` alias is useful to run checks automatically on writing to a file.
+If you use [cargo-watch][], `cargo watch-check` and `cargo watch-test` aliases are useful to run checks/tests automatically
+on writing to a file.
 
-## Print debug
+## Print debugging
 
 Since this crate uses stdout, `println!` is not available for debugging. Instead, stderr through [`eprintln!`][eprintln]
 or [`dbg!`][dbg] are useful.

README.md

@@ -673,7 +673,7 @@ This project is developed [on GitHub][repo].
 For feature requests or bug reports, please [create an issue][new-issue]. For submitting patches, please [create a pull
 request][pulls].
 
-Please see [CONTRIBUTING.md](./CONTRIBUTING.md) before making a PR.
+Please see [CONTRIBUTING.md](./CONTRIBUTING.md) before reporting an issue or making a PR.
 
 ## License
 

src/cursor.rs

@@ -332,14 +332,14 @@ mod tests {
         use crate::tui::widgets::Widget;
         use crate::{CursorMove, TextArea};
 
-        let mut textarea: TextArea = (0..20).into_iter().map(|i| i.to_string()).collect();
+        let mut textarea: TextArea = (0..20).map(|i| i.to_string()).collect();
         let r = Rect {
             x: 0,
             y: 0,
             width: 24,
             height: 8,
         };
-        let mut b = Buffer::empty(r.clone());
+        let mut b = Buffer::empty(r);
         textarea.widget().render(r, &mut b);
 
         textarea.move_cursor(CursorMove::Bottom);

src/scroll.rs

@@ -193,14 +193,14 @@ mod tests {
         use crate::tui::widgets::Widget;
         use crate::TextArea;
 
-        let mut textarea: TextArea = (0..20).into_iter().map(|i| i.to_string()).collect();
+        let mut textarea: TextArea = (0..20).map(|i| i.to_string()).collect();
         let r = Rect {
             x: 0,
             y: 0,
             width: 24,
             height: 8,
         };
-        let mut b = Buffer::empty(r.clone());
+        let mut b = Buffer::empty(r);
         textarea.widget().render(r, &mut b);
 
         textarea.scroll(Scrolling::Delta { rows: 2, cols: 0 });

src/textarea.rs

@@ -1690,14 +1690,14 @@ mod tests {
         use crate::tui::layout::Rect;
         use crate::tui::widgets::Widget;
 
-        let mut textarea: TextArea = (0..20).into_iter().map(|i| i.to_string()).collect();
+        let mut textarea: TextArea = (0..20).map(|i| i.to_string()).collect();
         let r = Rect {
             x: 0,
             y: 0,
             width: 24,
             height: 8,
         };
-        let mut b = Buffer::empty(r.clone());
+        let mut b = Buffer::empty(r);
         textarea.widget().render(r, &mut b);
 
         textarea.scroll((15, 0));