add-ed 0.14.0

Embeddable pure rust editor based on ED
Documentation 
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use add_ed::{
  buffer::Buffer,
  ui::DummyUI,
  Ed,
};
use std::collections::HashMap;

mod dummy_io;
use dummy_io::DummyIO;

#[test]
fn comment_selection() {
  // Create the testing editor
  let mut io = DummyIO::new();
  let mut buffer = Buffer::new();

  {
    let mut ui = DummyUI{
      input: vec![
        // Create initial buffer contents
        ",a\n".to_string(),
        "1\n".to_string(),
        "2\n".to_string(),
        "3\n".to_string(),
        "4\n".to_string(),
        "5\n".to_string(),
        "6\n".to_string(),
        ".\n".to_string(),
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    ed.run_macro(&mut ui).expect("Error creating initial buffer contents.");
  }
  assert_eq!(
    buffer.get_selection((1,buffer.len())).unwrap().map(|(_,s)|s).collect::<Vec<&str>>(),
    vec!["1\n","2\n","3\n","4\n","5\n","6\n"],
    "Initialising buffer didn't yield expected buffer contents."
  );

  {
    let mut ui = DummyUI{
      input: vec![
        ",#".to_string(),
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    let res = ed.run_macro(&mut ui);
    assert_eq!(
      res,
      Err(add_ed::error_consts::SELECTION_FORBIDDEN)
    );
  }
}

#[test]
fn printsel_selection() {
  // Create the testing editor
  let mut io = DummyIO::new();
  let mut buffer = Buffer::new();

  {
    let mut ui = DummyUI{
      input: vec![
        // Create initial buffer contents
        ",a\n".to_string(),
        "1\n".to_string(),
        "2\n".to_string(),
        "3\n".to_string(),
        "4\n".to_string(),
        "5\n".to_string(),
        "6\n".to_string(),
        ".\n".to_string(),
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    ed.run_macro(&mut ui).expect("Error creating initial buffer contents.");
  }
  assert_eq!(
    buffer.get_selection((1,buffer.len())).unwrap().map(|(_,s)|s).collect::<Vec<&str>>(),
    vec!["1\n","2\n","3\n","4\n","5\n","6\n"],
    "Initialising buffer didn't yield expected buffer contents."
  );

  {
    let mut ui = DummyUI{
      input: vec![
        "2,5=".to_string(),
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    ed.run_macro(&mut ui).expect("Error running test.");
    assert_eq!(
      ed.see_state().selection,
      (2,5)
    );
  }
  assert_eq!(
    buffer.get_selection((1,buffer.len())).unwrap().map(|(_,s)|s).collect::<Vec<&str>>(),
    vec!["1\n","2\n","3\n","4\n","5\n","6\n"]
  );
}

#[test]
fn tag_line() {
  // Create the testing editor
  let mut io = DummyIO::new();
  let mut buffer = Buffer::new();

  {
    let mut ui = DummyUI{
      input: vec![
        // Create initial buffer contents
        ",a\n".to_string(),
        "1\n".to_string(),
        "2\n".to_string(),
        "3\n".to_string(),
        "4\n".to_string(),
        "5\n".to_string(),
        "6\n".to_string(),
        ".\n".to_string(),
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    ed.run_macro(&mut ui).expect("Error creating initial buffer contents.");
  }
  assert_eq!(
    buffer.get_selection((1,buffer.len())).unwrap().map(|(_,s)|s).collect::<Vec<&str>>(),
    vec!["1\n","2\n","3\n","4\n","5\n","6\n"],
    "Initialising buffer didn't yield expected buffer contents."
  );

  {
    let mut ui = DummyUI{
      input: vec![
        "2,5".to_string(), // Set current selection
        "ky".to_string(), // k tags first line only
        "KY".to_string(), // K tags last line only
        "1".to_string(),
        "'y,'Y".to_string(), // Should load back original selection
      ].into(),
      print_ui: None,
    };
    let mut ed = Ed::new(&mut buffer, &mut io, "".to_string(),HashMap::new(),false,false)
    ;
    ed.run_macro(&mut ui).expect("Error running test.");
    assert_eq!(
      ed.see_state().selection,
      (2,5)
    );
  }
  assert_eq!(
    buffer.get_selection((1,buffer.len())).unwrap().map(|(_,s)|s).collect::<Vec<&str>>(),
    vec!["1\n","2\n","3\n","4\n","5\n","6\n"]
  );
}