chore: a new start

src/colors.rs

@@ -0,0 +1,35 @@
+use termion::color;
+
+pub fn get_color(color_name: &str) -> Box<&dyn color::Color> {
+  match color_name {
+    "black" => Box::new(&color::Black),
+    "red" => Box::new(&color::Red),
+    "green" => Box::new(&color::Green),
+    "yellow" => Box::new(&color::Yellow),
+    "blue" => Box::new(&color::Blue),
+    "magenta" => Box::new(&color::Magenta),
+    "cyan" => Box::new(&color::Cyan),
+    "white" => Box::new(&color::White),
+    "default" => Box::new(&color::Reset),
+    _ => panic!("Unknown color: {}", color_name),
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn match_color() {
+    let text1 = println!("{}{}", color::Fg(*get_color("green")), "foo");
+    let text2 = println!("{}{}", color::Fg(color::Green), "foo");
+
+    assert_eq!(text1, text2);
+  }
+
+  #[test]
+  #[should_panic]
+  fn no_match_color() {
+    println!("{}{}", color::Fg(*get_color("wat")), "foo");
+  }
+}